CN208284906U - A kind of distribution board maintenance safety isolating device - Google Patents
A kind of distribution board maintenance safety isolating device Download PDFInfo
- Publication number
- CN208284906U CN208284906U CN201820007752.4U CN201820007752U CN208284906U CN 208284906 U CN208284906 U CN 208284906U CN 201820007752 U CN201820007752 U CN 201820007752U CN 208284906 U CN208284906 U CN 208284906U
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- Prior art keywords
- distribution board
- information
- lock
- maintenance
- switch
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Abstract
The utility model discloses a kind of distribution board maintenance safety isolating devices, comprising: locking information module generates the locking information of distribution board for the lock state according to the power supply of distribution board, load and bus earthing knife-switch；Judgment module judges whether maintenance distribution board is safe under the corresponding lock condition of locking information for inputting locking information in logic of propositions；Wherein, logic of propositions is the logic for overhauling distribution board no danger of electric shock；Output module, for the judging result according to judgment module, exporting the maintenance to distribution board allows information；Wherein, maintenance allows information to be optical information and or acoustic information.By the utility model, can the original complexity managed by label and lock tube, the not isolation locking operation of logical relation each other be changed to the logic judgment judged automatically by computer, thoroughly avoid accident of human electric shock.Simultaneously during isolated operation, isolation progress can be seen from display screen at any time, personnel is facilitated to understand information.
Description
Technical field
The utility model relates to distribution boards to overhaul field, more particularly to a kind of distribution board maintenance safety from device.
Background technique
It needs to carry out central controlled place to a large amount of power supply and load in electric system such as substation, power plants, greatly
Amount uses distribution board.Distribution board illustrates as follows, mainly includes bus and switch.Bus is for connecting all switches.Switch is used
On-off between control power supply and load and bus is to realize control.In order to guarantee personnel's peace in distribution board interruption maintenance
Entirely, it is provided with earthing knife-switch on the inlet wire of the road Hai Mei, bus earthing knife-switch is provided on bus.
Distribution board is when power failure is overhauled, the setting safety measure that very important person is, guarantees service personnel's safety.
When one distribution board interruption maintenance, upstream power supply tends not to fully powered-off.As shown in Figure 1, with there are two electricity
For source inlet wire, two load outlets, a distribution board bus earthing knife-switch:
Power supply 1 has electricity, the switch of power supply 1 is pulled out to isolated bit, locking is isolated.
Power supply 2, load 1, load 2 have a power failure, and can be pulled out to switch and exit position, are checked comprehensively it.
Operations staff is in the operating process for executing isolation, by the way of padlock isolation, each padlock is just the same,
Share a key.Operations staff prints the label for needing padlock to be isolated in advance, then by these one by one in the mistake for implementing isolation
It is suspended to corresponding position in journey, then is hung up properly with lock handle label.Such as: it locks in the ontology of the power switch of power supply 1, is existed with lock lock
There is a label in isolated bit, the face of locking: power supply 1 disconnects locking.
It is as shown in the table:
Need 5 locks, 5 labels.
| Serial number | Lock number | Label | It can the scope of repair |
| 1 | Lock 1 | The switch of power supply 1 disconnects locking | Nothing |
| 2 | Lock 2 | 2 earthing knife-switch closed-lock of power supply | The switch of power supply 2, warehouse |
| 3 | Lock 3 | 1 earthing knife-switch closed-lock of load | The switch of load 1, warehouse |
| 4 | Lock 4 | 2 earthing knife-switch closed-lock of load | The switch of load 2, warehouse |
| 5 | Lock 5 | Bus earthing knife-switch closed-lock | Bus |
Above-mentioned isolation method, the switch that will lead to power supply 1 can be overhauled originally, cannot be overhauled because being locked in isolated bit.For
This problem is solved, power switch 1 can be drawn out to and exit position.
Note that because having electricity on the inside of the source side valve of power supply 1.After power switch 1 pulls out, valve can be operated.Electricity
The valve in source 1 seems the same in appearance with other warehouses.Service personnel is when static contact is overhauled in cleaning, it is easy to because
State of mind inertia opens the valve of power supply 1 and gets an electric shock (the accident has repeatedly occurred at the scene) after having overhauled other warehouses.
Summary of the invention
The utility model master is to solve the shortcoming of existing issue and provide a kind of distribution board maintenance safety isolating device.
In order to solve the above technical problems, the technical solution that the utility model uses is: providing a kind of distribution board maintenance
Safety insulating device, comprising: locking information module, for the lock state according to the power supply of distribution board, load and bus earthing knife-switch,
Generate the locking information of distribution board；Wherein, lock state includes isolation locking and closed-lock；Judgment module, for that will lock
In information input logic of propositions, judge whether maintenance distribution board is safe under the corresponding lock condition of locking information；Wherein, it presets
Logic is to overhaul the logic of distribution board no danger of electric shock；Output module, for the judging result according to judgment module, output is to matching
The maintenance of electroplax allows information；Wherein, maintenance allows information to be optical information and or acoustic information.
Wherein, locking information module is radio frequency receiver, and power switch, the electricity of distribution board are connected by wireless radio frequency mode
The lock & key of source valve, power supply earthing knife-switch, load earthing knife-switch and bus earthing knife-switch；Wherein, distribution board between radio frequency receiver at a distance from
Greater than the radio frequency reception range of radio frequency receiver.
Wherein, radio frequency patch is respectively provided on lock & key, lock and or key at a distance from radio frequency receiver less than radio frequency
When the radio frequency reception range of receiver, lock and or key establish radiofrequency signal with radio frequency receiver and connect.
Wherein, lock is separated with corresponding key in the locked state, inseparable when unlocked.
Wherein, judgment module includes: default unit, for presetting the decision logic of safety inspection distribution board；Judgement
Unit, the locking information for generating locking information module are input in the decision logic of default unit setting, trouble hunt ing
Whether distribution board is safe.
Wherein, decision logic are as follows: ((switch of power supply 1) or (1 valve of power supply) or (1 earthing knife-switch of power supply) and is locked) and
((switch of power supply 2) or (2 valve of power supply) or (2 earthing knife-switch of power supply) and is locked) and ... and ((power supply n switch) or (power supply n
Valve) or (power supply n earthing knife-switch) and locks) and (1 earthing knife-switch of load locks 2 earthing knife-switch of and load and locks and ... and load m
Knife locks) and bus earthing knife-switch locks.
It wherein, further include cue module, the maintenance for the output according to output module allows information to be prompted.
Wherein, cue module includes: signal lamp prompt unit, and the maintenance for being exported according to output module allows information,
The variation of control signal lamp color is to indicate whether maintenance is safe；Voice alerting unit, the maintenance for being exported according to output module
Allow information, when it is not allow that maintenance, which allows information, issues voice siren.
It is different from the prior art, the distribution board maintenance safety isolating device of the utility model includes: locking information module, is used
In the lock state according to the power supply of distribution board, load and bus earthing knife-switch, the locking information of distribution board is generated；Wherein, shape is locked
State includes isolation locking and closed-lock；Judgment module judges for inputting locking information in logic of propositions in locking information
It is whether safe that distribution board is overhauled under corresponding lock condition；Wherein, logic of propositions is the logic for overhauling distribution board no danger of electric shock；
Output module, for the judging result according to judgment module, exporting the maintenance to distribution board allows information；Wherein, maintenance allows
Information is optical information and or acoustic information.By the utility model, can will it is original by label and lock tube manage it is complicated,
The not isolation locking operation of logical relation each other, is changed to the logic judgment judged automatically by computer, thoroughly avoids personal electric shock
Accident.Simultaneously during isolated operation, isolation progress can be seen from display screen at any time, personnel is facilitated to understand information.
Detailed description of the invention
Fig. 1 be the utility model relates to distribution board structural schematic diagram.
Fig. 2 is a kind of structural schematic diagram of distribution board maintenance safety isolating device provided by the utility model.
Fig. 3 is a kind of structural representation of the lock & key of distribution board maintenance safety isolating device provided by the utility model
Figure.
Fig. 4 is a kind of schematic diagram of the panel of distribution board maintenance safety isolating device provided by the utility model.
Specific embodiment
Further more detailed description is made to the technical solution of the utility model With reference to embodiment.Obviously,
Described embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.It is practical new based on this
Embodiment in type, those of ordinary skill in the art's every other reality obtained without creative labor
Example is applied, all should belong to the range of the utility model protection.
Referring to Fig.2, Fig. 2 is a kind of structural representation of distribution board maintenance safety isolating device 100 provided by the utility model
Figure.The device 100 includes locking information module 110, judgment module 120 and output module 130, to comprising there are two power supplys
The distribution board 101 of bus earthing knife-switch 1017 is carried out maintenance safety isolation by inlet wire, two load outlets, one.
Locking information module 110 is used for the lock state according to the power supply of distribution board 101, load and bus earthing knife-switch 1017,
Generate the locking information of distribution board 101；Wherein, lock state includes isolation locking and closed-lock.Wherein, locking information module
110 be radio frequency receiver, and power switch 1010, the power supply valve 1011, power supply of distribution board 101 are connected by wireless radio frequency mode
The lock & key of earthing knife-switch 1012, load earthing knife-switch 1013 and bus earthing knife-switch 1017；Wherein, between distribution board 101 and radio frequency receiver
Distance is greater than the radio frequency reception range of radio frequency receiver.Radio frequency patch 1101 is respectively provided on lock & key, in lock and or key
With at a distance from radio frequency receiver be less than radio frequency receiver radio frequency reception range when, lock and or key and radio frequency receiver foundation
Radiofrequency signal connection.In the present invention, lock is separated with corresponding key in the locked state, inseparable when unlocked.
It corresponds in the present invention and is provided with lock as shown in the table in distribution board 101.Every lock has it individually
Effect.
| Serial number | Lock number | Meaning |
| 1 | Power supply 1 (1015) switch | The locking of power supply 1 (1015) switch isolation |
| 2 | Power supply 1 (1015) valve | The locking of power supply 1 (1015) valve |
| 3 | Power supply 1 (1015) earthing knife-switch | Power supply 1 (1015) earthing knife-switch closed-lock |
| 4 | Power supply 2 (1016) switch | The locking of power supply 2 (1016) switch isolation |
| 5 | Power supply 2 (1016) valve | The locking of power supply 2 (1016) valve |
| 6 | Power supply 2 (1016) earthing knife-switch | Power supply 2 (1016) earthing knife-switch closed-lock |
| 7 | Load 1 (1019) earthing knife-switch | Load 1 (1019) earthing knife-switch closed-lock |
| 8 | Load 2 (1020) earthing knife-switch | Load 2 (1020) earthing knife-switch closed-lock |
| 9 | Bus earthing knife-switch 1017 | 1017 closed-lock of bus earthing knife-switch |
In the present invention, a key locker is set.The key locker is for storing key and lock.Key locker is set to radio frequency
Within the scope of the radio frequency reception of receiver.If key locker detects lock & key all in key locker, judge that this lock is not used.Such as
Fruit only have key and lock do not exist, then judge lock locked in equipment corresponding position.State display will be according to the above state
It is changed, indicates that those equipment have locked.
Judgment module 120 is used to input locking information in logic of propositions, judges lock condition corresponding in locking information
Whether lower maintenance distribution board is safe；Wherein, logic of propositions is the logic for overhauling distribution board no danger of electric shock.Specifically, judging mould
Block includes: default unit 121, for presetting the decision logic of safety inspection distribution board；Judging unit 122, for that will lock
The locking information for determining information module generation is input in the decision logic of default unit setting, and whether trouble hunt ing distribution board pacifies
Entirely.The preset decision logic of judging unit 122 are as follows: ((switch of power supply 1) or (1 valve of power supply) or (1 earthing knife-switch of power supply) and is locked)
And ((switch of power supply 2) or (2 valve of power supply) or (2 earthing knife-switch of power supply) and is locked) and ... and ((power supply n switch) or (electricity
Source n valve) or (power supply n earthing knife-switch) and locks) and (1 earthing knife-switch of load locks 2 earthing knife-switch of and load and locks and ... and load m
Earthing knife-switch locks) and bus earthing knife-switch locks.The corresponding distribution board including n power supply, m load and bus earthing knife-switch of the decision logic
101。
Output module 130 is used for the judging result according to judgment module, and exporting the maintenance to distribution board allows information；Its
In, maintenance allows information to be optical information and or acoustic information.
In addition, further including cue module 140, the maintenance for the output according to output module 130 allows information to be mentioned
Show.Cue module 140 includes: signal lamp prompt unit 141, and the maintenance for being exported according to output module 130 allows information, control
Signal lamp color variation processed is to indicate whether maintenance is safe；Voice alerting unit 142, for what is exported according to output module 130
Maintenance allows information, when it is not allow that maintenance, which allows information, issues voice siren.
In specific maintenance process, according to power supply status and maintenance needs, corresponding lock is taken away.There are electricity, power supply with power supply 1
2 have a power failure, power supply 1 switchs for not needing maintenance:
| Serial number | Lock number | Lock status | Key status |
| 1 | Power supply 1 switchs | It takes away | It puts back to |
| 2 | 1 valve of power supply | It is motionless | It is motionless |
| 3 | 1 earthing knife-switch of power supply | It is motionless | It is motionless |
| 4 | Power supply 2 switchs | It is motionless | It is motionless |
| 5 | 2 valve of power supply | It is motionless | It is motionless |
| 6 | 2 earthing knife-switch of power supply | It takes away | It puts back to |
| 7 | 1 earthing knife-switch of load | It takes away | It puts back to |
| 8 | 2 earthing knife-switch of load | It takes away | It puts back to |
| 9 | Bus earthing knife-switch | It takes away | It puts back to |
After above-mentioned lock & key is taken away together, operations staff will be locked into the functional location of needs according to number accordingly
On, key is then put back into key locker.When key locker determine lock and key does not exist, then it is assumed that locked at this position.
Made the following judgment by logical program: corresponding to the utility model relates to there are two electric power incoming line, two loads
The distribution board of bus earthing knife-switch, decision logic is that ((switch of power supply 1) or (1 valve of power supply) or (1 earthing knife-switch of power supply) locks by outlet, one
1 earthing knife-switch of and ((switch of power supply 2) or (2 valve of power supply) or (2 earthing knife-switch of power supply) is locked) and load locks 2 ground of and load well)
Knife locks and bus earthing knife-switch and locks.
If the above logical consequence is 1, signal lamp prompt unit 141 prompts " can overhaul ", and green light is lighted.Such as
Fruit result is 0, then signal lamp prompt unit 141 prompts " can not overhaul ", and red light is lighted, and loudspeaker sound, and " danger, is asked for warning
Stop maintenance ", while state display shows the item that logic input is 0, and operations staff is facilitated to check reason.State display
The upper relevant device state for showing this bus will change.
As shown in figure 4, the device front that Fig. 4 is a kind of distribution board maintenance safety isolating device provided by the utility model shows
It is intended to.It as shown is the operation panel of distribution board maintenance safety isolating device 100.The panel is set as key locker next time, tool
Body can be hook, for hanging all lock and corresponding key.Such as the suspension position for scheming to be provided with lock 1- lock 7, be used to match if locking
When the locking of electroplax, the suspension position of corresponding lock only hangs key.The structure of lock and key is as shown in Figure 3.Switch is set on panel
Button closes the maintenance safety isolation features of device 100 when rotation to operating status, is closed power supply.It rotates to inspecting state
When, open power supply.After each lock be used to lock distribution board 101, the locking information module 110 of device 100 is according to the lock for hanging position
Or the case where key, generate locking information.Specifically, radio frequency chip is locked and attaches on the key, when lock and key hang on suspension
When position, radiofrequency signal is sent to the RF transceiver as locking information module 110, RF transceiver is according to the radio frequency received
Signal determines the lock of suspension position and the suspension situation of key, to can determine the locking information of distribution board 101.Judgment module 120
Safe maintenance logic is judged whether it is according to locking information.Specifically, only meeting the locking information pair of default decision logic
The lock condition answered is only safe lock condition, and service personnel can overhaul.If meeting preset decision logic, on panel
The indicator light that can overhaul brighten.If not meeting preset decision logic, the indicator light that can not overhaul on panel brightens, while
The current decision logic of the status display screen display of panel issues voice messaging by the loudspeaker by being set on panel,
It reminds service personnel by reading current decision logic, where determining security risk, is overhauled after excluding hidden danger.
It is different from the prior art, the distribution board maintenance safety isolating device of the utility model includes: locking information module, is used
In the lock state according to the power supply of distribution board, load and bus earthing knife-switch, the locking information of distribution board is generated；Wherein, shape is locked
State includes isolation locking and closed-lock；Judgment module judges for inputting locking information in logic of propositions in locking information
It is whether safe that distribution board is overhauled under corresponding lock condition；Wherein, logic of propositions is the logic for overhauling distribution board no danger of electric shock；
Output module, for the judging result according to judgment module, exporting the maintenance to distribution board allows information；Wherein, maintenance allows
Information is optical information and or acoustic information.By the utility model, can will it is original by label and lock tube manage it is complicated,
The not isolation locking operation of logical relation each other, is changed to the logic judgment judged automatically by computer, thoroughly avoids personal electric shock
Accident.Simultaneously during isolated operation, isolation progress can be seen from display screen at any time, personnel is facilitated to understand information.
The foregoing is merely the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
It is equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, directly or indirectly uses
In other related technical areas, it is also included in the patent protection scope of the utility model.
Claims (7)
1. a kind of distribution board maintenance safety isolating device characterized by comprising
Locking information module generates the lock of distribution board for the lock state according to the power supply of distribution board, load and bus earthing knife-switch
Determine information；Wherein, the lock state includes isolation locking and closed-lock；
Judgment module judges locking feelings corresponding in the locking information for inputting the locking information in logic of propositions
It is whether safe that distribution board is overhauled under condition；Wherein, the logic of propositions is the logic for overhauling distribution board no danger of electric shock；
Output module, for the judging result according to the judgment module, exporting the maintenance to distribution board allows information；Wherein,
The maintenance allows information to be optical information and or acoustic information.
2. distribution board maintenance safety isolating device according to claim 1, which is characterized in that the locking information module is
Radio frequency receiver, by wireless radio frequency mode connect the power switch of distribution board, power supply valve, power supply earthing knife-switch, load earthing knife-switch and
The lock & key of bus earthing knife-switch；Wherein, the distribution board between the radio frequency receiver at a distance from be greater than radio frequency receiver and penetrating
Frequency range of receiving.
3. distribution board maintenance safety isolating device according to claim 2, which is characterized in that be all provided on the lock & key
Set radio frequency patch, it is described lock and or key at a distance from radio frequency receiver less than radio frequency receiver radio frequency reception range when,
Lock and or key establish radiofrequency signal with radio frequency receiver and connect.
4. distribution board maintenance safety isolating device according to claim 2, which is characterized in that the lock is in the locked state
It is separated with corresponding key, it is inseparable when unlocked.
5. distribution board maintenance safety isolating device according to claim 1, which is characterized in that the judgment module includes:
Default unit, for presetting the decision logic of safety inspection distribution board；
Judging unit, the locking information for generating locking information module are input in the decision logic of default unit setting,
Whether trouble hunt ing distribution board is safe.
6. distribution board maintenance safety isolating device according to claim 1, which is characterized in that further include cue module, use
Information is allowed to be prompted in the maintenance of the output according to output module.
7. distribution board maintenance safety isolating device according to claim 6, which is characterized in that the cue module includes:
Signal lamp prompt unit, the maintenance for being exported according to the output module allow information, control signal lamp color variation
To indicate whether maintenance is safe；
Voice alerting unit, the maintenance for being exported according to the output module allow information, allow information to be not permit in maintenance
Xu Shi issues voice siren.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820007752.4U CN208284906U (en) | 2018-01-03 | 2018-01-03 | A kind of distribution board maintenance safety isolating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820007752.4U CN208284906U (en) | 2018-01-03 | 2018-01-03 | A kind of distribution board maintenance safety isolating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208284906U true CN208284906U (en) | 2018-12-25 |
Family
ID=64748346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820007752.4U Expired - Fee Related CN208284906U (en) | 2018-01-03 | 2018-01-03 | A kind of distribution board maintenance safety isolating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208284906U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107994499A (en) * | 2018-01-03 | 2018-05-04 | 王建涛 | A kind of distribution board maintenance safety isolating device |
-
2018
- 2018-01-03 CN CN201820007752.4U patent/CN208284906U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107994499A (en) * | 2018-01-03 | 2018-05-04 | 王建涛 | A kind of distribution board maintenance safety isolating device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181225 Termination date: 20200103 |
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| CF01 | Termination of patent right due to non-payment of annual fee |