CN107309088A - A kind of interlock and detection method - Google Patents
A kind of interlock and detection method Download PDFInfo
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- CN107309088A CN107309088A CN201710651279.3A CN201710651279A CN107309088A CN 107309088 A CN107309088 A CN 107309088A CN 201710651279 A CN201710651279 A CN 201710651279A CN 107309088 A CN107309088 A CN 107309088A
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- dead bolt
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/66—Applications of electricity supply techniques
- B03C3/68—Control systems therefor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
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- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention discloses a kind of interlock and detection method, fixation by the first A classes mechanical lock to the movable contact of the first switch in electric power incoming line equipment, realize that the power supply to electric power incoming line equipment is limited, simultaneously by the 2nd A classes mechanical lock and the first B classes mechanical lock to the movable contact of the second switch in high voltage isolator case diverse location fixation, realize that the power supply to high voltage isolator case is limited, and the opening high voltage discharge field entrance when high voltage isolator case is powered off is realized by the control of the first B classes mechanical lock and the 3rd B class mechanical locks, in order in power cut-off, to high voltage isolator case and the internal overhaul of high voltage discharge field, avoid the maintainer when electric field is run and enter the situation that electric field region causes casualties.
Description
Technical field
The present invention relates to security fields, more particularly to a kind of interlock and detection method.
Background technology
Electric cleaner has low emission due to it, it is reliable, efficient the features such as, it has also become the main dedusting of current coal-burning boiler
Equipment.
Electric cleaner needs to set inspection manhole door in each electric field region, so that maintainer enters cloudy to it inside electric field
Anode plants are overhauled.But electric field region is high voltage discharge field, tens of kilovolts is can reach after voltage is boosted, if powered situation
Under have personnel's entrance, it is extremely hazardous.
The inspection manhole door of current electric cleaner only configures simple mechanical lock, as long as anyone has key can be at any time
Into electric field region.Meanwhile, often there is the phenomenon that management disconnects, i.e. site examining and repairing people with operation operating personnel in field service personnel
Member is when entering electric field internal overhaul, it is not clear that whether electric field high-tension apparatus runs.
This is easy for causing field service personnel to cause casualties into electric field when electric field is run.
The content of the invention
In view of this, the present invention provides a kind of interlock and detection method, to solve site examining and repairing people in the prior art
The problem of member causes casualties when electric field is run into electric field, its concrete scheme is as follows：
A kind of interlock, is arranged at outside electric field region, including：Electric power incoming line equipment, high voltage isolator case, electrion
Area, is arranged at the first switch in the electric power incoming line equipment, is arranged at the second switch in the high voltage isolator case, the
One A class mechanical locks, the 2nd A class mechanical locks, the first B class mechanical locks, the 2nd B class mechanical locks are connected with the 2nd B class mechanical locks
The 3rd B class mechanical locks, A class keys for opening the first A classes mechanical lock and the 2nd A class mechanical locks, and for opening
The B class keys of the first B classes mechanical lock, the 2nd B classes mechanical lock and the 3rd B class mechanical locks, wherein：
The movable contact of the first switch is connected with the movable contact of the second switch, the first stationary contact of the second switch
Point is connected with the high voltage discharge field, the second stationary contact ground connection of the second switch, the maintenance of the high voltage isolator case
Area's entrance is locked by the 2nd B classes mechanical lock, and the high voltage discharge field entrance is locked by the 3rd B classes mechanical lock；
The movable contact of the first switch is connected with stationary contact, and the dead bolt stretched out by the 2nd A classes mechanical lock will
When the movable contact of the second switch is fixed on the position being connected with the first stationary contact, the electric field region is electrion state；
The movable contact of the first switch is fixed on what is disconnected with stationary contact by the dead bolt stretched out by the first A classes mechanical lock
Position, withdraws the dead bolt of the 2nd A class mechanical locks, and the dead bolt stretched out by the first B classes mechanical lock touches the dynamic of second switch
Point is fixed on the position being connected with the second stationary contact, when the dead bolt of the first B class mechanical locks stretches out, extracts and described first
The B classes key of B classes mechanical lock connection, the 2nd B classes mechanical lock and the 3rd B classes machinery are opened by the B classes key
Lock, now, the high voltage isolator case and electric field region are inspecting state.
Further, the movable contact of the first switch is fixed on by the dead bolt stretched out by the first A classes mechanical lock
The position disconnected with stationary contact, withdraws the dead bolt of the 2nd A class mechanical locks, including：
The movable contact of the first switch is fixed on what is disconnected with stationary contact by the dead bolt stretched out by the first A classes mechanical lock
Position, extracts the A class keys being connected with the first A class mechanical locks, and the A classes key is inserted into the 2nd A class mechanical locks,
Withdraw the dead bolt of the 2nd A class mechanical locks；
When the dead bolt of mechanical lock stretches out, key can be extracted, and when the dead bolt of the mechanical lock is withdrawn, key can not be extracted, institute
Stating mechanical lock includes：A classes mechanical lock and B class mechanical locks.
Further, the 3rd B class mechanical locks include：First C class mechanical locks, device for exchanging keys and the first D class machines
Tool is locked, and C class keys, the device for exchanging keys includes：2nd C class mechanical locks, the 2nd D classes mechanical lock and D class keys, described
One B classes mechanical lock and the first C classes mechanical lock are combination lock, and the combination lock has same dead bolt, when the first B classes machinery
When lock and the first C class mechanical locks have key, the dead bolt of the combination lock just stretches out or withdrawn,
The C classes key is used to open the first C classes mechanical lock and the 2nd C class mechanical locks, and the D classes key is used to beat
Open the first D classes mechanical lock and the 2nd D class mechanical locks；The mechanical lock includes：C classes key and D class keys；
When the B classes key is connected with the first B class mechanical locks, while the C classes key and the first C classes machinery
During lock connection, the dead bolt of the combination lock is stretched out, the C classes key is extracted, is exchanged and filled in the key by the C classes key
D class keys are swapped out in putting, the first D class mechanical locks are opened by the D classes key.
Further, it is described that D class keys are swapped out in the device for exchanging keys by the C classes key, including：
When the C classes key is connected with the 2nd C class mechanical locks, withdraws the dead bolt of the 2nd C class mechanical locks, institute
The dead bolt for stating the 2nd D class mechanical locks stretches out, and extracts the D class keys being connected with the 2nd D class mechanical locks.
Further, it is described that D class keys are swapped out in the device for exchanging keys by the C classes key, including：
When all 2nd C classes mechanical locks are connected with all C classes keys in the device for exchanging keys, extract described
D class keys.
Further, in addition to：3rd A class mechanical locks, the A classes key is two, wherein：
The movable contact of the first switch is fixed on what is disconnected with stationary contact by the dead bolt stretched out by the first A classes mechanical lock
Position, extracts the first A class keys being connected with the first A class mechanical locks, makes the first A classes key and the 2nd A classes machinery
Lock connection, withdraws the dead bolt of the 2nd A class mechanical locks, and the dead bolt stretched out by the 3rd A classes mechanical lock is moved second switch
Contact is fixed on the position being connected with the 3rd stationary contact, extracts the 2nd A class keys being connected with the 3rd A class mechanical locks, makes
The 2nd A classes key is connected with the first A class mechanical locks, withdraws the dead bolt that the first A classes mechanical lock stretches out, and is made described
The movable contact of first switch is connected with stationary contact, now, and the electric field region is unloaded pressure-increasning state.
Further, the mechanical lock carry passive contact, for by the switching-state information of the mechanical lock send to
Monitoring system.
A kind of detection method, applied to the interlock described in any one in claim 1-6, including：
Detection is arranged on the 2nd B classes mechanical lock in the maintenance area of high voltage isolator case and is arranged on the of high voltage discharge field
The on off state of three B class mechanical locks；
When it is determined that at least one in the 2nd B classes mechanical lock or the 3rd B class mechanical locks be dead bolt retracted state,
Whether the dead bolt for then judging the first A class mechanical locks being connected with the first switch in electric power incoming line equipment is retracted state；
If it is not, judging whether the first B classes mechanical lock being connected with the second switch in the high voltage isolator case is lock
Tongue retracted state；
If so, then sending alarm signal.
Further, in addition to：
At least one in shelves the 2nd B classes mechanical lock and the 3rd B class mechanical locks is dead bolt retracted state, and is worked as
When the dead bolt of the first A class mechanical locks is retracted state, the instruction of the first separating brake is sent, makes the in the electric power incoming line equipment
One switch is off-state.
Further, when the 3rd B class mechanical locks include：First C class mechanical locks, device for exchanging keys and the first D classes
Mechanical lock, it is described to judge whether the first B classes mechanical lock is dead bolt retracted state during C class keys, including：
Whether the dead bolt for judging the combination lock of the first B classes mechanical lock and the first C classes mechanical lock composition is retracted state.
It can be seen from the above technical proposal that interlock disclosed in the present application and detection method, pass through the first A classes machinery
The fixation to the movable contact of the first switch in electric power incoming line equipment is locked, realizes that the power supply to electric power incoming line equipment is limited, simultaneously
By the 2nd A classes mechanical lock and the first B classes mechanical lock to the movable contact of the second switch in high voltage isolator case in different positions
The fixation put, realizes and the power supply of high voltage isolator case is limited, and passes through the first B classes mechanical lock and the 3rd B class mechanical locks
The opening high voltage discharge field entrance when high voltage isolator case power off is realized in control, in order in power cut-off, to high pressure every
From switch-box and the internal overhaul of high voltage discharge field, it is to avoid when electric field is run, maintainer into electric field region causes personnel to hinder
Situation about dying.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of interlock disclosed in the embodiment of the present invention；
Fig. 2 is the schematic diagram disclosed in the embodiment of the present invention during a kind of mechanical lock dead bolt retracted state；
Fig. 3 is schematic diagram when a kind of mechanical lock dead bolt disclosed in the embodiment of the present invention stretches out state；
Fig. 4 is a kind of structural representation of interlock disclosed in the embodiment of the present invention；
Fig. 5 is a kind of flow chart of detection method disclosed in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The invention discloses a kind of interlock, be arranged at outside electric field region, its structural representation as shown in figure 1, including：
Electric power incoming line equipment 11, high voltage isolator case 12, high voltage discharge field 13 is arranged in electric power incoming line equipment 11
First switch K1, is arranged at second switch K2, the first A classes mechanical lock A1, the 2nd A class mechanical locks in high voltage isolator case 12
A2, the first B classes mechanical lock B1, the 2nd B class mechanical lock B2, the 3rd B class mechanical lock B3 being connected with the first B class mechanical locks B1, are used
In the A class keys for opening the first A class mechanical lock A1 and the 2nd A class mechanical locks A2, and for opening the first B class mechanical locks B1, the
Two B class mechanical lock B2 and the 3rd B class mechanical locks B3 B class keys, wherein, A classes key and B classes key are not marked in figure.
First switch K1 movable contact is connected with second switch K2 movable contact, second switch K2 the first stationary contact 121
While connection with high voltage discharge field 13, it is connected with the 2nd A class mechanical locks, second switch K2 the second stationary contact 122 ground connection
Meanwhile, it is connected with the first B class mechanical locks B1, the maintenance area entrance of high voltage isolator case 12 is locked by the 2nd B class mechanical locks B2
Fixed, the entrance of high voltage discharge field 13 is locked by the 3rd B class mechanical locks B3.
Electric power incoming line equipment 11 is electric power system, is arranged on outside electric field region and powers.High voltage isolator case 12 and height are pressed
Electric area 13 is arranged in electric cleaner, and it is powered danger zone that it is internal.
First switch K1 movable contact is connected with second switch K2 movable contact so that electric power incoming line equipment 11 and high pressure every
Connected from switch-box 12, second switch K2 the first stationary contact 121 is connected with high voltage discharge field 13 so that, as second switch K2
Movable contact when being connected with the first stationary contact 121, high voltage isolator case 12 is connected with high voltage discharge field 13.
When first switch K1 movable contact is connected with stationary contact, and the dead bolt stretched out by the 2nd A class mechanical locks A2 is by the
When two switch K2 movable contact is fixed on the position being connected with the first stationary contact 121, electric field region is electrion state.
When the dead bolt of mechanical lock stretches out, key can be extracted, and when the dead bolt of mechanical lock is withdrawn, key can not be extracted, mechanical lock
Including：A classes mechanical lock and B class mechanical locks.I.e. either A classes mechanical lock A1, A2 or B classes mechanical lock B1, B2, B3, works as dead bolt
During stretching, its key can be extracted, and when dead bolt is withdrawn, its key can not be extracted.
A class keys are inserted with first A class mechanical locks A1, when remaining off the first A class mechanical locks A1 dead bolt,
One switch K1 movable contact is connected with stationary contact, as shown in Fig. 2 including：First A class mechanical lock A1, dead bolt A11, first switch
K1 and first switch K1 movable contact K11.Now, A classes key can not be extracted from the first A class mechanical locks A1.2nd A classes machinery
The dead bolt for locking A2 is stretched out, and second switch K2 movable contact is fixed on to the position being connected with the first stationary contact 121, now, power supply
Inlet wire equipment 11, high voltage isolator case 12 and high voltage discharge field 13 realize connection, and electric field region is in electrion state.
Wherein, the 2nd A class mechanical locks A2 dead bolt is stretched out, and second switch K2 movable contact is fixed on and the first stationary contact
The position of 121 connections, can be specially：Groove position is set on the action bars where second switch K2 movable contact, when passing through the
When the movable contact of the K2 is fixed on the position being connected with the first stationary contact 121 by two A class mechanical locks A2 dead bolt, A2 dead bolt is inserted
In the groove position for entering the action bars where second switch K2 movable contact, fix action bars.First switch K1 also can be by so
Mode movable contact is fixed, be not specifically limited herein.
First switch K1 movable contact is fixed on what is disconnected with stationary contact by the dead bolt stretched out by the first A class mechanical locks A1
Position, as shown in figure 3, including：First A class mechanical lock A1, dead bolt A11, first switch K1 and first switch movable contact K11.
The 2nd A class mechanical locks A2 dead bolt is withdrawn, second switch K2 movable contact is fixed by the B class mechanical locks B1 dead bolts stretched out
In the position being connected with the second stationary contact 122, when the first B class mechanical locks B1 dead bolt stretches out, extract and the first B class mechanical locks
The B class keys of B1 connections, open the 2nd B class mechanical lock B2 and the 3rd B class mechanical lock B3, now, electric field region is by B classes key
Inspecting state.
The connection of first switch K1 movable contact and stationary contact is disconnected, the first A class mechanical lock A1 are opened by A classes key,
The first A class mechanical locks A1 dead bolt is stretched out, first switch K1 movable contact is fixed on to the position disconnected with stationary contact, this
When, the A classes key on the first A class mechanical locks A1 can be extracted.A class keys are extracted, the 2nd A class mechanical lock A2 are inserted, the 2nd A is locked
Class mechanical lock A2, withdraws the 2nd A class mechanical locks A2 dead bolt, mobile second switch K2 movable contact, makes second switch K2's
Movable contact is connected with the second stationary contact 122, is opened the first B class mechanical lock B1 by B classes key, is made the first B class mechanical locks B1's
Dead bolt stretches out, and fixed second switch K2 movable contact is in the position of the second stationary contact 122, now, the first B class mechanical locks B1 key
Spoon can be extracted, and extracted B class keys, the 2nd B class mechanical lock B2 can be unlocked by the B classes key of extraction, to open high_voltage isolation
The maintenance area maintenance of switch-box 12, can also unlock the 3rd B class mechanical lock B3 by the B classes key of extraction, be pressed with opening height
Electric area 13, is overhauled to the high voltage discharge field 13.Therefore, now electric field region is inspecting state.
Wherein, A classes key is only furnished with 1, and B classes key is also only furnished with 1.
When the first A class mechanical lock A1 dead bolts stretch out, A class keys are extracted, now, the first A class mechanical locks A1 dead bolt will
First switch K1 movable contact is fixed on the position remained off with stationary contact, as long as in the first A class mechanical locks A1 not
A class keys are inserted, first switch K1 is to close, it is impossible to be embodied as the confession of high voltage isolator case 12 and high voltage discharge field 13
Electricity；
A classes key inserts the 2nd A class mechanical lock A2, withdraws the 2nd A class mechanical locks A2 dead bolt, and key can not be extracted, and protects
The first A class mechanical locks A1 situation can not be opened by having demonstrate,proved；Second switch K2 movable contact is pulled to the second stationary contact 122 and is connected
Position, the first B class mechanical lock B1 are opened by B classes key, the first B class mechanical locks B1 dead bolt is fixed second switch K2's
Movable contact position is motionless, now, second switch K2 movable contact ground connection, it is ensured that high voltage isolator case 12 is not charged, the first B
Class mechanical lock B1 key can be extracted, by the maintenance area of the B class key examination and repair for high-pressure disconnecting switch case 12 of extraction, and to height
Pressure region of discharge 13 is overhauled, it is to avoid when operating personnel are overhauled at the scene, someone's maloperation makes electric field region power.
Further, mechanical lock all in the present embodiment, either A classes mechanical lock A1, A2 or B class mechanical locks B1,
B2, B3, carry passive contact, for the on off state of each mechanical lock to be sent to monitoring system in real time, in order to long-range prison
Control personnel carry out remote monitoring.
Interlock disclosed in the present embodiment, by the first A classes mechanical lock to the first switch in electric power incoming line equipment
The fixation of movable contact, realizes that the power supply to electric power incoming line equipment is limited, while passing through the 2nd A classes mechanical lock and the first B classes machinery
Lock to the movable contact of the second switch in high voltage isolator case in the fixation of diverse location, realize to high voltage isolator case
Power supply limitation, and beaten by the control realization of the first B classes mechanical lock and the 3rd B class mechanical locks when high voltage isolator case is powered off
High voltage discharge field entrance is opened, in order in power cut-off, to high voltage isolator case and the internal overhaul of high voltage discharge field, keep away
Exempt from the maintainer when electric field is run and enter the situation that electric field region causes casualties.
Present embodiment discloses a kind of interlock, its structural representation as shown in figure 4, including：
Electric power incoming line equipment 41, high voltage isolator case 42, high voltage discharge field 43 is arranged in electric power incoming line equipment 41
First switch K1, is arranged at second switch K2, the first A classes mechanical lock A1, the 2nd A class mechanical locks in high voltage isolator case 42
A2, the 3rd B class mechanical lock B3, the A classes that the first B classes mechanical lock B1, the 2nd B class mechanical lock B2, with the first B class mechanical locks B1 is connected
Key and B class keys, wherein, A classes key and B classes key are not marked in figure.
Except with addition to upper embodiment identical structure, the 3rd B class mechanical locks B3 in the present embodiment includes：First C class machines
Tool locks C1, device for exchanging keys 44, the first D classes mechanical lock D1, C class key and D class keys, and C classes key and D class keys are in figure
Do not mark, the first B class mechanical lock B1 and the first C classes mechanical lock are combination lock, the first B class mechanical lock B1 and the first C classes machinery
The combination lock for locking C1 compositions shares a dead bolt, only when the first B class mechanical locks B1 insertion key opening mechanical locks, meanwhile, the
When one C class mechanical locks C1 insertion keys open mechanical lock, the dead bolt of the combination lock can just stretched out.
Wherein, device for exchanging keys 44 includes：2nd C class mechanical lock C2 and the 2nd D class mechanical locks D2.
C classes key is used to open the first C class mechanical lock C1 and the 2nd C class mechanical lock C2, D classes key for opening the first D
Class mechanical lock D1 and the 2nd D class mechanical locks D2.
When B classes key is connected with the first B class mechanical locks B1, while when C classes key is connected with the first C class mechanical locks, combining
The dead bolt of lock stretches out, and extracts C class keys, D class keys are swapped out in device for exchanging keys 44 by C classes key, pass through D class keys
Spoon opens the first D class mechanical locks D1.
Specifically, when inserting B class keys in the first B class mechanical locks B1, while inserting C class keys in the first C class mechanical locks C1
During spoon, the first B class mechanical lock B1 and the first C class key C1, now, the first B class mechanical lock B1 and the first C class mechanical locks C1 are opened
The dead bolt of the combination lock of composition is stretched out, and B classes key and C classes key can be extracted, and the B classes key of extraction is used to open the 2nd B classes
Mechanical lock, is overhauled to the maintenance area of high voltage isolator case 42, and the C classes key of extraction is exchanged by device for exchanging keys 44
Go out D class keys, D classes key is used to open the first D class mechanical lock D1, high voltage discharge field 43 is overhauled.
Now, the maintenance area of high voltage discharge field 43 and high voltage isolator case 42 can be overhauled simultaneously, can also divided
Do not overhaul, be not specifically limited herein.
Specifically, one electric power incoming line equipment 41 of configuration in each electric field region, a high voltage isolator case 42 and one
High voltage discharge field 43, and typically have multiple electric field regions in an electric cleaner, therefore, many sets will be configured in an electric cleaner
Electric power incoming line equipment 41, high voltage isolator case 42 and high voltage discharge field 43.
When multiple electric field region intercommunications in structure in an electric cleaner, into wherein any one high voltage discharge field
43 may cause danger, and no matter whether the corresponding electric field region powers.It therefore, it can only set in the electric field region of multiple intercommunications
A device for exchanging keys 44 is put, now, is accomplished by including in a device for exchanging keys 44：With electric field region quantity identical
Two C class mechanical lock C2, and with the D class mechanical lock D2 of electric field region entry number identical the 2nd, or the D class mechanical locks of only one the 2nd
D2.Only when inserting key in the 2nd C class mechanical locks C2 all in device for exchanging keys 44, it could extract one or more
2nd D class mechanical lock D2, it is all with the electric field region intercommunication this guarantees when opening one or more high voltage discharge fields 43
Electric field region is in off-position, it is to avoid occur casualties.
Specifically, D class keys are swapped out in device for exchanging keys 44 by C classes key, including：As the 2nd all C
When C class keys are inserted in class mechanical lock C2, the 2nd all C class mechanical lock C2 are closed, the 2nd C class mechanical locks C2 lock is withdrawn
Tongue, now, the key of the 2nd all C class mechanical locks C2 can not be extracted, meanwhile, the 2nd D class mechanical locks D2 dead bolt stretches out,
Extract the D class keys being inserted in the 2nd D class mechanical locks D2.
Further, interlock disclosed in the present embodiment, in addition to：3rd A class mechanical locks A3.
Specifically, in unloaded pressure-increasning state, the first A class mechanical locks A1, the 2nd A class mechanical lock A2 and the 3rd A classes machinery
Totally 3 A class mechanical locks have two A class keys, i.e. the first A classes key and the 2nd A class keys to lock A3.
First switch K1 movable contact is fixed on what is disconnected with stationary contact by the dead bolt stretched out by the first A class mechanical locks A1
Position, extracts the first A class keys being connected with the first A class mechanical locks, the first A classes key is connected with the 2nd A class mechanical locks, receives
The 2nd A class mechanical locks A2 dead bolt is returned, second switch K2 movable contact is fixed by the 3rd A class mechanical locks A3 dead bolts stretched out
In the position being connected with the 3rd stationary contact, extract the 2nd A class keys being connected with the 3rd A class mechanical locks, make the 2nd A classes key and
First A class mechanical lock A1 connections, withdraw the dead bolt that the first A class mechanical locks A1 stretches out, make first switch K1 movable contact and stationary contact
Point connection, now, electric field region are unloaded pressure-increasning state.
First A classes key is inserted in the first A class mechanical locks A1, is opened the first A class mechanical lock A1, is stretched out A1 dead bolt,
First switch K1 movable contact is fixed on to the position disconnected with stationary contact, the first A class keys is extracted, the first A class keys is inserted
Enter the 2nd A classes mechanical lock and lock, withdraw A2 dead bolt, now, the first A classes key can not be extracted.2nd A classes key is
In three A class mechanical locks A3 lockhole, open A3, make A3 dead bolt stretch out by second switch K2 movable contact be fixed on it is the 3rd quiet
The position that contact 423 is connected, now the 2nd A classes key can extract, extract the 2nd A class keys, the first A class mechanical locks A1 of insertion
In lockhole, the first A class mechanical lock A1 are locked, A1 dead bolt is withdrawn, afterwards, the movable contact and stationary contact for making first switch K1 connect
Connect, realize the power supply to high voltage isolator case 42.
Specifically, neck can be set in the operation handle where second switch K2 movable contact, for inserting the first B
The dead bolt of class mechanical lock, the 2nd A classes mechanical lock or the 3rd A class mechanical locks.I.e. when the dead bolt of the 2nd A class mechanical locks stretches out, by the
Two switch K2 movable contacts are when being fixed on position be connected with the first stationary contact, and the is inserted by the dead bolt of the 2nd A class mechanical locks
In neck in two switch K2 operation handle, make second switch K2 operation handle immovable, keep and the first stationary contact
Connection, until the dead bolt of the 2nd A class mechanical locks is withdrawn；When the dead bolt of the first B class mechanical locks stretches out, dynamic by second switch K2 touches
When point is fixed on the position being connected with the second stationary contact, second switch K2 operation is inserted by the dead bolt of the first B class mechanical locks
In neck on handle, make second switch K2 operation handle immovable, holding is connected with the second stationary contact, until the first B
The dead bolt of class mechanical lock is withdrawn；When the dead bolt of the 3rd A class mechanical locks stretches out, second switch K2 movable contact is fixed on and the 3rd
During the position of stationary contact connection, inserted by the dead bolt of the 3rd A class mechanical locks in the neck in second switch K2 operation handle,
Make second switch K2 operation handle immovable, holding is connected with the 3rd stationary contact, until the dead bolt of the 3rd A class mechanical locks is received
Return.
Further, because all mechanical locks carry passive contact, the switching signal of mechanical lock passive contact, with 0
Represent that mechanical lock closes stroke state, i.e. dead bolt and withdrawn, relevant device can be opened or close a floodgate, and represent that mechanical lock opens stroke state with 1,
I.e. dead bolt is stretched out, and relevant device can not be opened or can not closed a floodgate by locked.
Safe condition represents that electric cleaner is powered off from power supply to high voltage discharge field, or, can not open band when being powered
The state of electric danger zone entrance.Specifically：
Safe condition is when electric field is run：A1=0, A2=1, B2=1, D1=1；
Safe condition is during ground connection：A1=1, B1C1=1；
Safe condition is during unloaded pressure rise test：A1=0, A3=1, B2=1.
Interlock disclosed in the present embodiment, by the first A classes mechanical lock to the first switch in electric power incoming line equipment
The fixation of movable contact, realizes that the power supply to electric power incoming line equipment is limited, while passing through the 2nd A classes mechanical lock and the first B classes machinery
Lock to the movable contact of the second switch in high voltage isolator case in the fixation of diverse location, realize to high voltage isolator case
Power supply limitation, and beaten by the control realization of the first B classes mechanical lock and the 3rd B class mechanical locks when high voltage isolator case is powered off
High voltage discharge field entrance is opened, in order in power cut-off, to high voltage isolator case and the internal overhaul of high voltage discharge field, keep away
Exempt from the maintainer when electric field is run and enter the situation that electric field region causes casualties.
A kind of detection method disclosed in the present embodiment, applied to the interlock in any of the above-described embodiment, its flow chart
As shown in figure 5, including：
Step S51, detection are arranged on the 2nd B classes mechanical lock in the maintenance area of high voltage isolator case and are arranged on height and press
The on off state of the 3rd B class mechanical locks in electric area；
The structural representation of interlock can by as shown in figure 1, or as shown in figure 4, it is existing by as shown in figure 1, exemplified by, bag
Include：Electric power incoming line equipment, high voltage isolator case, high voltage discharge field is arranged at the first switch K1 in electric power incoming line equipment, if
The second switch K2, the first A classes mechanical lock A1, the 2nd A classes mechanical lock A2, the first B classes machinery being placed in high voltage isolator case
B1, the 2nd B class mechanical lock B2, the 3rd B class mechanical lock B3 being connected with the first B class mechanical locks B1 are locked, for opening the first A class machines
Tool lock A1 and the 2nd A class mechanical locks A2 A class keys, and for open the first B class mechanical locks B1, the 2nd B class mechanical lock B2 and
3rd B class mechanical locks B3 B class keys, wherein, A classes key and B classes key are not marked in figure.
Because all mechanical locks carry the switching signal of passive contact mechanical lock passive contact, mechanical lock is represented with 0
Close stroke state, i.e. dead bolt to withdraw, relevant device can be opened or close a floodgate, and represent that mechanical lock is opened stroke state, i.e. dead bolt and stretched with 1
Go out, relevant device can not be opened or can not closed a floodgate by locked.
Safe condition represents that electric cleaner is powered off from power supply to high voltage discharge field, or, can not open band when being powered
The state of electric danger zone entrance.
Step S52, when it is determined that at least one in the 2nd B classes mechanical lock or the 3rd B class mechanical locks be dead bolt retracted state,
Whether the dead bolt for then judging the first A class mechanical locks being connected with the first switch in electric power incoming line equipment is retracted state；
When mechanical lock is dead bolt retracted state, then mechanical lock is closes stroke, and relevant device can be opened or close a floodgate.
When the dead bolt of the 2nd B class mechanical locks is retracted state, show the maintenance area of high voltage isolator case to open
State, i.e. B2=0；When the 3rd B class mechanical locks dead bolt be retracted state when, show high voltage discharge field for can open mode, i.e.,
B3=0.
When the dead bolt for the first A class mechanical locks A1 being connected with first switch K1 is stretching state, show dead bolt by first
Switch K1 movable contact is fixed on the position disconnected with stationary contact, and first switch is off-state, now, high voltage isolator
Case and high voltage discharge field are in electroless state, now, even if the dead bolt of the 2nd B classes mechanical lock and the 3rd B class mechanical locks is located
In thering is maintainer to there will not be danger in retracted state, high voltage isolator case and high voltage discharge field；When A1 dead bolt is receipts
During the state of returning, show that first switch is closed, be that high voltage isolator case is powered, now, send the instruction of the first separating brake, enter power supply
First switch K1 in line equipment is off-state.
Step S53, if it is not, whether judging the first B classes mechanical lock that is connected with the second switch in high voltage isolator case
For dead bolt retracted state；
When A1 dead bolt is retracted state, it is thus necessary to determine that the state of the first B class mechanical locks, as the first B class mechanical locks B1
Dead bolt be stretching state when, show that second switch K2 movable contact is fixed on the position being connected with the second stationary contact by B1 dead bolt
Put, now, second switch ground connection, high voltage isolator case is not powered, and high voltage discharge field is not also powered, then, i.e.,
The dead bolt of the 2nd B classes mechanical lock and the 3rd B class mechanical locks is set to be in retracted state, high voltage isolator case and high voltage discharge field
Inside there is maintainer to there will not be danger；When B1 dead bolt is retracted state, show second switch K2 movable contact and first
Stationary contact is connected or is connected with the 3rd stationary contact, now, if having inspection in the maintenance area of high voltage isolator case or high voltage discharge field
When repairing personnel, then it can cause danger.
Specifically, when the method disclosed in the present embodiment is based on interlock shown in Fig. 4, in addition to step S53, its
His detection method all same, at this time, it may be necessary to which what is judged is that the combination lock of the first B classes mechanical lock and the first C classes mechanical lock composition is
The no the position whether movable contact of second switch is locked in the second stationary contact in pass stroke state, i.e. combination lock.Further
, in step s 51, it is thus necessary to determine that be the 2nd B classes mechanical lock and the first D class mechanical locks on off state.
Step S54, if so, then sending alarm signal.
Detection method disclosed in the present embodiment, applied to interlock, by when the 2nd B classes mechanical lock or the first D class machines
At least one in tool lock is dead bolt retracted state, and the dead bolt of the first A class mechanical locks is stretching state, meanwhile, the first B classes machinery
When the combination lock of lock and the first C class mechanical locks is dead bolt retracted state, then alarm signal is sent.This programme is by first determining whether inspection
Whether be open mode, and determine whether electric power incoming line equipment is power supply state overhauling when area is open mode if repairing area, afterwards
Whether be ground state, it is achieved thereby that the switch shape of each switch of remote monitoring or mechanical lock if determining high voltage isolator case
State, it is ensured that the personal safety of field service personnel.
The embodiment of each in this specification is described by the way of progressive, and what each embodiment was stressed is and other
Between the difference of embodiment, each embodiment identical similar portion mutually referring to.For device disclosed in embodiment
For, because it is corresponded to the method disclosed in Example, so description is fairly simple, related part is said referring to method part
It is bright.
Professional further appreciates that, with reference to the unit of each example of the embodiments described herein description
And algorithm steps, can be realized with electronic hardware, computer software or the combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software, generally describes the composition and step of each example according to function in the above description.These
Function is performed with hardware or software mode actually, depending on the application-specific and design constraint of technical scheme.Specialty
Technical staff can realize described function to each specific application using distinct methods, but this realization should not
Think beyond the scope of this invention.
Directly it can be held with reference to the step of the method or algorithm that the embodiments described herein is described with hardware, processor
Capable software module, or the two combination are implemented.Software module can be placed in random access memory (RAM), internal memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (10)
1. a kind of interlock, is arranged at outside electric field region, it is characterised in that including：Electric power incoming line equipment, high voltage isolator
Case, high voltage discharge field is arranged at the first switch in the electric power incoming line equipment, is arranged in the high voltage isolator case
Second switch, the first A class mechanical locks, the 2nd A class mechanical locks, the first B class mechanical locks, the 2nd B class mechanical locks, with the 2nd B
3rd B class mechanical locks of class mechanical lock connection, the A class keys for opening the first A classes mechanical lock and the 2nd A class mechanical locks
Spoon, and for opening the first B classes mechanical lock, the 2nd B classes mechanical lock and the B class keys of the 3rd B class mechanical locks, wherein：
The movable contact of the first switch is connected with the movable contact of the second switch, the first stationary contact of the second switch with
The high voltage discharge field connection, the second stationary contact ground connection of the second switch, the maintenance area of the high voltage isolator case enters
Mouth is locked by the 2nd B classes mechanical lock, and the high voltage discharge field entrance is locked by the 3rd B classes mechanical lock；
The movable contact of the first switch is connected with stationary contact, and the dead bolt stretched out by the 2nd A classes mechanical lock will be described
When the movable contact of second switch is fixed on the position being connected with the first stationary contact, the electric field region is electrion state；
The movable contact of the first switch is fixed on the position disconnected with stationary contact by the dead bolt stretched out by the first A classes mechanical lock
Put, withdraw the dead bolt of the 2nd A class mechanical locks, the dead bolt stretched out by the first B classes mechanical lock is by the movable contact of second switch
The position being connected with the second stationary contact is fixed on, when the dead bolt of the first B class mechanical locks stretches out, is extracted and the first B
The B classes key of class mechanical lock connection, the 2nd B classes mechanical lock and the 3rd B classes machinery are opened by the B classes key
Lock, now, the high voltage isolator case and electric field region are inspecting state.
2. device according to claim 1, it is characterised in that the dead bolt stretched out by the first A classes mechanical lock is by institute
The movable contact for stating first switch is fixed on the position disconnected with stationary contact, withdraws the dead bolt of the 2nd A class mechanical locks, including：
The movable contact of the first switch is fixed on the position disconnected with stationary contact by the dead bolt stretched out by the first A classes mechanical lock
Put, extract the A class keys being connected with the first A class mechanical locks, the A classes key is inserted into the 2nd A class mechanical locks, made
The dead bolt of the 2nd A class mechanical locks is withdrawn；
When the dead bolt of mechanical lock stretches out, key can be extracted, and when the dead bolt of the mechanical lock is withdrawn, key can not be extracted, the machine
Tool lock includes：A classes mechanical lock and B class mechanical locks.
3. device according to claim 2, it is characterised in that the 3rd B class mechanical locks include：First C class mechanical locks,
Device for exchanging keys and the first D class mechanical locks, C classes key and D class keys, the device for exchanging keys include：2nd C classes machinery
Lock and the 2nd D class mechanical locks, the first B classes mechanical lock and the first C classes mechanical lock are combination lock, and the combination lock has same
Individual dead bolt, when the first B classes mechanical lock and the first C class mechanical locks have key, the dead bolt of the combination lock just stretch out or
Withdraw,
The C classes key is used to open the first C classes mechanical lock and the 2nd C class mechanical locks, and the D classes key is used to open institute
State the first D classes mechanical lock and the 2nd D class mechanical locks；The mechanical lock includes：C classes key and D class keys；
When the B classes key is connected with the first B class mechanical locks, while the C classes key connects with the first C classes mechanical lock
When connecing, the dead bolt of the combination lock is stretched out, the C classes key is extracted, by the C classes key in the device for exchanging keys
D class keys are swapped out, the first D class mechanical locks are opened by the D classes key.
4. device according to claim 3, it is characterised in that described exchanged by the C classes key in the key fills
D class keys are swapped out in putting, including：
When the C classes key is connected with the 2nd C class mechanical locks, when withdrawing the dead bolt of the 2nd C class mechanical locks, described the
The dead bolt of two D class mechanical locks stretches out, and extracts the D class keys being connected with the 2nd D class mechanical locks.
5. device according to claim 3, it is characterised in that described exchanged by the C classes key in the key fills
D class keys are swapped out in putting, including：
When all 2nd C classes mechanical locks are connected with all C classes keys in the device for exchanging keys, the D classes are extracted
Key.
6. device according to claim 2, it is characterised in that also include：3rd A class mechanical locks, the A classes key is two
It is individual, wherein：
The movable contact of the first switch is fixed on the position disconnected with stationary contact by the dead bolt stretched out by the first A classes mechanical lock
Put, extract the first A class keys being connected with the first A class mechanical locks, make the first A classes key and the 2nd A class machines
Tool lock connection, withdraws the dead bolt of the 2nd A class mechanical locks, and the dead bolt stretched out by the 3rd A classes mechanical lock is by second switch
Movable contact is fixed on the position being connected with the 3rd stationary contact, extracts the 2nd A class keys being connected with the 3rd A class mechanical locks,
The 2nd A classes key is connected with the first A class mechanical locks, withdraw the dead bolt that the first A classes mechanical lock stretches out, make institute
The movable contact for stating first switch is connected with stationary contact, now, and the electric field region is unloaded pressure-increasning state.
7. the device according to any one in claim 2-6, it is characterised in that the mechanical lock carries passive contact,
For the switching-state information of the mechanical lock to be sent to monitoring system.
8. a kind of detection method, applied to the interlock described in any one in claim 1-6, it is characterised in that including：
Detection is arranged on the 2nd B classes mechanical lock of the maintenance area entrance of high voltage isolator case and is arranged on the of high voltage discharge field
The on off state of three B class mechanical locks；
When it is determined that at least one in the 2nd B classes mechanical lock or the 3rd B class mechanical locks be dead bolt retracted state, then sentence
Whether the dead bolt of disconnected the first A class mechanical locks being connected with the first switch in electric power incoming line equipment is retracted state；
If it is not, judging whether the first B classes mechanical lock being connected with the second switch in the high voltage isolator case is that dead bolt is received
The state of returning；
If so, then sending alarm signal.
9. method according to claim 8, it is characterised in that also include：
When at least one in the 2nd B classes mechanical lock or the 3rd B class mechanical locks is dead bolt retracted state, and when described
When the dead bolt of first A class mechanical locks is retracted state, the instruction of the first separating brake is sent, makes first in the electric power incoming line equipment to open
Close as off-state.
10. method according to claim 8, it is characterised in that when the 3rd B class mechanical locks include：First C classes machinery
Lock, device for exchanging keys and the first D class mechanical locks, it is described to judge whether the first B classes mechanical lock is dead bolt during C class keys
Retracted state, including：
Whether the dead bolt for judging the combination lock of the first B classes mechanical lock and the first C classes mechanical lock composition is retracted state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710651279.3A CN107309088B (en) | 2017-08-02 | 2017-08-02 | Interlocking device and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710651279.3A CN107309088B (en) | 2017-08-02 | 2017-08-02 | Interlocking device and detection method |
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| CN107309088A true CN107309088A (en) | 2017-11-03 |
| CN107309088B CN107309088B (en) | 2023-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710651279.3A Active CN107309088B (en) | 2017-08-02 | 2017-08-02 | Interlocking device and detection method |
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| CN111519979A (en) * | 2020-04-30 | 2020-08-11 | 三一海洋重工有限公司 | Safety interlocking device and safety interlocking system |
| CN111774182A (en) * | 2020-07-29 | 2020-10-16 | 青岛鼎信工业安全设备有限公司 | Electric precipitator overhauls safety interlock system |
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|---|---|
| CN107309088B (en) | 2023-06-16 |
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