CN108766809A - locking device of switch cabinet - Google Patents
locking device of switch cabinet Download PDFInfo
- Publication number
- CN108766809A CN108766809A CN201810576682.9A CN201810576682A CN108766809A CN 108766809 A CN108766809 A CN 108766809A CN 201810576682 A CN201810576682 A CN 201810576682A CN 108766809 A CN108766809 A CN 108766809A
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- Prior art keywords
- module
- switch
- locking device
- power
- input
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Classifications
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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
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The present invention provides a kind of locking device of switch cabinet.Including：Control module, power module, input module and output module；Power module, input module and output module are connect with control module；Power module is connect with output module；Power module is used to provide power supply for output module and control module；Input module is used to acquire the signal switched in switchgear and the signal is input to control modules；The control module state that switch is determined according to signal, and according to the block signal of the state of switch determination switch；The mechanical locking device of output module and switch is connect with control module, and output module is for exporting block signal to mechanical locking device and exclusive circuit, so that mechanical locking device locking and exclusive circuit locking.Locking device of switch cabinet provided by the invention provides power supply by power module after power cut-off for output module and control module, and the mechanical latching to switchgear and exclusive circuit locking can use switchgear safely.
Description
Technical field
The present invention relates to automated control technology more particularly to a kind of locking device of switch cabinet.
Background technology
Switchgear is a kind of electrical equipment, controls the Push And Release of various equipment.Switchgear outside line is introduced into master control in cabinet and opens
It closes, subsequently into sub-control switch, each branch is set according to its needs.Such as instrument, automatic control, motor magnetic switch, various exchanges
Contactor etc., such as also set the switchgear of hyperbaric chamber and low-pressure chamber is equipped with high voltage bus, such as power plant, for example, be additionally provided with for
Protect the low-frequency load reduction of capital equipment.Component in switchgear mainly have breaker, disconnecting switch, on-load switch, operating mechanism, mutually
Sensor and various protective devices etc..
The interlocking of switchgear is to ensure power network safe operation, ensure equipment and personal safety, prevent the important of maloperation
Measure.Generally interlocking is described as：Prevent mistake point, falsely close circuit breaker；It prevents on-load point, close disconnecting switch；Prevent band cable address
(conjunction) is grounded (earthing switch)；Prevent line with ground (switch) from closing a floodgate；Prevent mistakenly entering charged chamber.Above-mentioned five prevent electrically
The content of maloperation, referred to as five is anti-.Switchgear is all with five anti-defencive functions.Under normal conditions, the closedown structure of switchgear
Using circuit and Machine Design.
But circuit design is unstable, after power cut-off, switchgear loses blocking function, can not use safely
Switchgear.
Invention content
The present invention provides a kind of locking device of switch cabinet, after solving switchgear power cut-off in the prior art, switch
Cabinet loses blocking function, the problem of can not using switchgear safely.
The present invention provides a kind of locking device of switch cabinet, including：Control module, power module, input module and output mould
Block；
Power module, input module and output module are connect with control module；
Power module is connect with output module；
Power module is used to provide power supply for output module and control module；
Input module is used to acquire the signal switched in switchgear and the signal is input to control modules；
The control module state that switch is determined according to signal, and according to the block signal of the state of switch determination switch；
The mechanical locking device of output module and switch is connect with control module, and output module is used for block signal is defeated
Go out to mechanical locking device and exclusive circuit, so that mechanical locking device locking and exclusive circuit locking.
As a kind of optional mode, locking device of switch cabinet provided by the invention,
Further include display module, control module and power module are connect with display module；
Power module is used to provide power supply for display module；
Display module is used for the state of display switch, and the prompt message of the state of display switch.
As a kind of optional mode, locking device of switch cabinet provided by the invention,
Input module has multiple input interface；
Each corresponding at least four input interfaces of switch, the signal type for switching the switch of corresponding input interface acquisition are equal
It differs.
As a kind of optional mode, locking device of switch cabinet provided by the invention,
The battery for further including indicator light and being connect with indicator light, indicator light are connect with display module；
Battery is used to power for indicator light and display module when power module powers off, so that indicator light is disconnected in power module
It is opened when electric and the prompt message of the state of display module display switch and the state of display switch.
As a kind of optional mode, locking device of switch cabinet provided by the invention,
Further include battery management module, battery management module is connect with control module；
Battery management module is monitored and is managed the electricity of battery by control module.
As a kind of optional mode, locking device of switch cabinet provided by the invention,
Further include communication module, communication module is connect with control module；
Communication module with circuit control room for connecting, in the state transfer to circuit control room that will be switched.
As a kind of optional mode, locking device of switch cabinet provided by the invention,
There is power module electric source filter circuit, electric source filter circuit to be used to prevent the fluctuation of input power.
As a kind of optional mode, locking device of switch cabinet provided by the invention,
Further include indicator light output interface, indicator light output interface is connect with indicator light；
Indicator light output interface exports the open and-shut mode of indicator light to circuit control for being connect with circuit control room
Room.
As a kind of optional mode, locking device of switch cabinet provided by the invention,
Further include interconnecting module, input module, output module, display module and communication module pass through interconnecting module and control
Molding block connects.
As a kind of optional mode, locking device of switch cabinet provided by the invention,
Display module is display screen.
The present invention provides a kind of locking device of switch cabinet, acquires the signal switched in switchgear by input module, and will
The signal of switch is input to control module, then the control module state that switch is determined according to signal, and according to the shape of switch
State determines the block signal of switch；Last output module exports block signal to mechanical locking device and exclusive circuit, so that
Mechanical locking device is latched and exclusive circuit locking.Locking device of switch cabinet provided in this embodiment, cooperative mechanical blocking device
The requirement of five anti-protections is realized in interlocking.After power cut-off, electricity is provided for output module and control module by power module
Source, the mechanical latching to switchgear and exclusive circuit locking, to protect switchgear, and can carry out safe handling switchgear.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without having to pay creative labor, may be used also for those of ordinary skill in the art
With obtain other attached drawings according to these attached drawings.
Fig. 1 is the flow diagram of one embodiment of locking device of switch cabinet provided by the invention；
Fig. 2 is a kind of structure chart of mechanical locking device；
Fig. 3 is the flow diagram of another embodiment of locking device of switch cabinet provided by the invention；
Fig. 4 is flow diagram of the locking device of switch cabinet provided by the invention in an embodiment.
Reference sign：
10- control modules；
20- power modules；
30- input modules；
301- input interfaces；
40- output modules；
50- mechanical locking devices；
501- electromagnet；
502- electromagnetism irons；
503- catch；
504- operating shafts；
60- display modules；
70- indicator lights；
80- batteries；
90- battery management modules；
100- communication modules；
110- indicator light output interfaces；
120- interconnecting modules.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Term " comprising " and " having " in description and claims of this specification and their any deformation, meaning
Figure be to cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, product or equipment
Those of be not necessarily limited to clearly to list step or unit, but may include not listing clearly or for these processes,
The intrinsic other steps of method, product or equipment or unit.
Technical scheme of the present invention is described in detail with specifically embodiment below.These specific implementations below
Example can be combined with each other, and same or analogous concept or process may be repeated no more in some embodiments.
Fig. 1 is the flow diagram of one embodiment of locking device of switch cabinet provided by the invention；Fig. 2 is a kind of mechanical latching
The structure chart of device.As depicted in figs. 1 and 2, locking device of switch cabinet provided in this embodiment, including：Control module 10, power supply
Module 20, input module 30 and output module 40；
Power module 20, input module 30 and output module 40 are connect with control module 10；
Power module 20 is connect with output module 40；
Power module 20 is used to provide power supply for output module 40 and control module 10；
Optionally, power module 20 is AC/DC-DC voltage stabilizing isolated buck power modules.
Input module 30 is used to acquire the signal switched in switchgear and the signal is input to control modules 10；
The state that switch is determined according to signal of control module 10, and determine that the locking of switch is believed according to the state of switch
Number；
Control module 10 and the mechanical locking device 50 of output module 40 and switch are all connected with, and output module 40 will be for that will close
Lock signal is exported to mechanical locking device 50, so that mechanical locking device 50 is latched.
It should be noted that locking device of switch cabinet provided in this embodiment, switchgear is interior, and there is earthing switch, height to press off
It closes and the multiple switches such as disconnecting switch, earthing switch is closed into sub-signal, height presses off load and closes sub-signal, keeps apart to close and point believe
Number it is linked into input module 30, the signal switched in switchgear is acquired by input module 30, and by the conjunction of above-mentioned switch point letter
Number it is input to control module 10, then the state that switch is determined according to signal of control module 10, and true according to the state of switch
Surely the block signal switched；Last output module 40 exports block signal to mechanical locking device 50 and exclusive circuit, so that
Mechanical locking device 50 is latched and exclusive circuit locking.
As shown in Fig. 2, specifically, mechanical locking device 50 may include electromagnet 501, electromagnetism iron 502, catch 503
With operating shaft 504, electromagnet 501 is connect by electromagnetism iron 502 with catch 503, and operating shaft 504 is used for mechanical latching, catch
503 for blocking operating shaft 504.The structure of mechanical locking device 50 is without being limited thereto in the present embodiment.
Output module 40 exports block signal to the electromagnet 501 of mechanical locking device 50 and operating shaft 504, operating shaft
504 make switch mechanical latching, electromagnet 501 drive catch 503 to move by electromagnetism iron 502, and catch 503 blocks switch machinery
Operating shaft 504 after locking, so that operating shaft 504 keeps the mechanical blocking of switch.When block signal disappears, that is, switch not
When needing locking, electromagnet 501 drives catch 503 to move by electromagnetism iron 502, after catch 503 is located at switch mechanical latching
Operating shaft 504 top, keep the mechanical blocking releasing of switch to block operating shaft 504, operating shaft 504 made to restore automatically
To the unlocking condition of mechanical locking device 50.
Locking device of switch cabinet provided in this embodiment acquires the signal switched in switchgear by input module, and will
The signal of switch is input to control module, then the control module state that switch is determined according to signal, and according to the shape of switch
State determines the block signal of switch；Last output module exports block signal to mechanical locking device and exclusive circuit, so that
Mechanical locking device is latched and exclusive circuit locking.Locking device of switch cabinet provided in this embodiment, cooperative mechanical blocking device
The requirement of five anti-protections is realized in interlocking.After power cut-off, electricity is provided for output module and control module by power module
Source, the mechanical latching to switchgear and exclusive circuit locking, to protect switchgear, and can carry out safe handling switchgear.
Fig. 3 is the flow diagram of another embodiment of locking device of switch cabinet provided by the invention.As shown in figure 3, upper
On the basis of stating embodiment, locking device of switch cabinet provided in this embodiment further includes display module 60, control module 10 and electricity
Source module 20 is connect with display module 60；
Power module 20 is used to provide power supply for display module 60；
Display module 60 is used for the state of display switch, and the prompt message of the state of display switch.
Optionally, display module 60 is display screen.Specifically, display module 60 is liquid crystal display, pass through liquid crystal display
Shield, the operating status switched in the intuitive display switch cabinet of energy.
For example, collecting grounding switch in switch cabinet closes position state, it will be acquired in switchgear and be grounded by input module 30
Switch closes position state and is input to control module 10, and control module 10 and display module 60 connect, and ground connection is shown on display module 60
Switch closes position state, and " ground state is forbidden to close a floodgate in the output of display module 60 prompt message！", output module 40 then exports
Block signal, catch 503 block operating shaft 504, and lock operation is carried out to block operating shaft 504.
Optionally, locking device of switch cabinet provided in this embodiment, input module 30 have multiple input interface 301；
Each corresponding at least four input interfaces 301 of switch, switch the signal of the switch of the acquisition of corresponding input interface 301
Type is all different.
It should be noted that input interface 301 can be respectively " overtemperature locking ", " arrearage locking ", " low pressure locking ",
" self-defined ", wherein " self-defined " type for carrying out setting locking according to the demand of oneself for user, the input of " self-defined " connect
Mouthfuls 301 can be arranged as required to multiple, and the present embodiment does not limit herein.
User can according to actual demand, can with self-defined different types of output control model, such as may be selected " tripping ",
" not tripping " when selecting " tripping ", carries out trip operation by 10 driving switch cabinet of control module, when selecting " not tripping ", opens
Cabinet is closed without trip operation.Such as " locking ", " alarm " may be selected, when selecting " locking ", while the machinery of switchgear is closed
Locking device 50 is latched and exclusive circuit locking lights the warning light of switchgear when selecting " alarm ".If selection " tripping " and
" locking " then first carries out trip operation, then executes block action.
Further, the locking device of switch cabinet that above-described embodiment provides further includes indicator light 70 and connects with indicator light 70
The battery 80 connect, indicator light 70 are connect with display module 60；
Battery 80 is used to power for indicator light 70 and display module 60 when power module 20 powers off, so that indicator light 70 exists
Power module 20 is opened when powering off and the prompt message of the state of 60 display switch of display module and the state of display switch.
It should be noted that indicator light 70 can be arranged in display module 60, indicator light 70, which can also be arranged, to be shown
Near module 60, the present embodiment is not limited thereto.
Locking device of switch cabinet provided in this embodiment, by the way that battery 80 is arranged, in the state that power module 20 powers off,
It powers for indicator light 70 and display module 60, in other words, indicator light 70 is opened when power module 20 powers off, and keeps showing mould
The lasting display function of block 60, the i.e. prompt message of the state of the state and display switch of 60 display switch of display module.
Further, the locking device of switch cabinet that above-described embodiment provides, further includes battery management module 90, battery management
Module 90 is connect with control module 10；
Battery management module 90 is monitored and is managed the electricity of battery 80 by control module 10.
It should be noted that battery management module 90 is used to monitor and manage the electricity of battery 80, for example, working as battery management
When the electricity that module 90 monitors battery 80 is reduced to 50%, battery management module 90 controls battery 80 by control module 10 and stops
It only powers to indicator light 70, indicator light 70 is made to remain off；The electricity that battery 80 retains 50% is aobvious for display module 60
Show the prompt message of the state of switch and the state of display switch.
In the case that locking device of switch cabinet provided in this embodiment does not have externally fed, display module 60 is in breath screen shape
State, battery 80 be display module 60 power, display module 60 have display function, user can simultaneously long-press " Enter "+" ↓ " key,
Wake up the prompt message that display module 60 carries out the state of display switch and the state of display switch.
The locking device of switch cabinet that above-described embodiment provides acquires the signal switched in switchgear by input module, and
The signal of switch is input to control module, then the control module state that switch is determined according to signal, and according to switch
State determines the block signal of switch；Last output module exports block signal to mechanical locking device and exclusive circuit, with
Make mechanical locking device locking and exclusive circuit locking.Locking device of switch cabinet provided in this embodiment, cooperative mechanical locking dress
Interlocking is set, realizes the requirement of five anti-protections.
After power cut-off, power supply is provided for output module and control module by power module, to the machine of switchgear
Tool is latched and exclusive circuit locking, to protect switchgear, and can carry out safe handling switchgear.
By the way that display module is arranged, display module is used for the state of display switch, and the prompt letter of the state of display switch
Breath.
By the way that battery and indicator light is arranged, battery is powered when power module powers off for indicator light and display module, so that
Indicator light is opened when power module powers off and the prompt of the state of display module display switch and the state of display switch letter
Breath.
By the way that battery management module is arranged, battery management module is monitored and is managed the electricity of battery by control module.
Fig. 4 is flow diagram of the locking device of switch cabinet provided by the invention in an embodiment.As shown in figure 4, this reality
The locking device of switch cabinet for applying example offer, further includes communication module 100, communication module 100 is connect with control module 10；
Communication module 100 with circuit control room for connecting, in the state transfer to circuit control room that will be switched.It is not required to
It wants user to guard switchgear, monitors the state switched in switchgear in real time directly in circuit control room.
Further, the locking device of switch cabinet that above-described embodiment provides, further includes indicator light output interface 110, instruction
Lamp output interface 110 is connect with indicator light 70；
Indicator light output interface 110 exports the open and-shut mode of indicator light 70 to electricity for being connect with circuit control room
Road control room.Since power module 20 powers off, battery 80 starts to power, and indicator light 70 is opened, when the electricity of battery 80 is reduced to
When 50%, indicator light 70 is closed, and battery 80 is only used for the state switched in 60 display switch cabinet of display module at this time and display is opened
The prompt message of the state of pass.User is the open and-shut mode of Observable indicator light 70 in circuit control room.
Specifically, can close there are two types of status indicator lamp 70, when respectively power module 20 works normally and battery 80
When electricity is reduced to 50%, since battery management module 90 is by the electricity of the monitoring battery 80 of control module 10, work as battery management
When the electricity that module 90 monitors battery 80 is reduced to 50%, it is since the electricity of battery 80 reduces, if when electricity that indicator light 70, which is closed,
When pond management module 90 monitors the electricity abundance of battery 80, the closing of indicator light 70 is under 20 normal operating conditions of power module.Together
When have two states indicator light 70 and can open, when respectively power module 20 powers off and when the electricity abundance of battery 80, therefore,
Indicator light 70 is opened, you can judges that power module 20 powers off.Indicator light 70 is opened output to circuit by indicator light output interface 110
In control room, that is, indicate that power module 20 powers off.
In one embodiment, further include interconnecting module 120, input module 30 and output module 40 pass through interconnecting module
120 connect with control module 10；
Display module 60 is connect by interconnecting module 120 with control module 10；
Communication module 100 is connect by interconnecting module 120 with control module 10.
Optionally, interconnecting module 120 is bus, input module 30, output module 40, display module 60 and communication module
100 are connect by bus with control module 10, and the structure of locking device of switch cabinet provided in this embodiment is simplified.
In some embodiments, power module 20 has electric source filter circuit, and electric source filter circuit is for preventing input electricity
The fluctuation in source, and then avoid locking device of switch cabinet malfunction provided in this embodiment caused by the fluctuation of input power.
The locking device of switch cabinet that above-described embodiment provides, by the way that communication module, communication module and circuit control room is arranged
It connects, in the state transfer to circuit control room that will be switched.It does not need user and guard switchgear, directly in circuit control room
The state switched in monitoring switch cabinet.By the way that interconnecting module, input module, output module, display module and communication module is arranged
It is connect with control module by bus, simplifies the structure of locking device of switch cabinet provided in this embodiment.
In the description of this specification, the meaning of " plurality " is multiple, such as two, four etc., unless otherwise clearly having
The restriction of body.
In the description of this specification, the description of term " one embodiment ", " some embodiments " etc. means to combine the reality
The particular features, structures, materials, or characteristics for applying example or example description are included at least one embodiment or example of the invention.
In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, description
Particular features, structures, materials, or characteristics can be combined in any suitable manner in any one or more of the embodiments or examples.
In the present invention unless specifically defined or limited otherwise, the terms such as term " connection " shall be understood in a broad sense, example
Such as, it may be a fixed connection, may be a detachable connection, or is integral；Can be mechanical connection, can also be electrical connection or
It can communicate with one another；It can be directly connected, can also can be indirectly connected through an intermediary the company inside two elements
Logical or two elements interaction relationship.For the ordinary skill in the art, can understand as the case may be
The concrete meaning of above-mentioned term in the present invention.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of locking device of switch cabinet, which is characterized in that including：Control module, power module, input module and output mould
Block；
The power module, the input module and the output module are connect with the control module；
The power module is connect with the output module；
The power module is used to provide power supply for the output module and the control module；
The input module is for acquiring the signal switched in switchgear and the signal being input to the control module；
The control module state that the switch is determined according to the signal, and according to described in the determination of the state of the switch
The block signal of switch；
The mechanical locking device of the output module and the switch is connect with the control module, and the output module is used for
The block signal is exported to the mechanical locking device and the exclusive circuit so that the mechanical locking device locking and
The exclusive circuit locking.
2. locking device of switch cabinet according to claim 1, which is characterized in that further include display module, the control mould
Block and the power module are connect with the display module；
The power module is used to provide power supply for the display module；
The display module is used to show the state of the switch, and shows the prompt message of the state of the switch.
3. locking device of switch cabinet according to claim 1, which is characterized in that the input module connects with multiple input
Mouthful；
Each switch corresponds at least four input interfaces, described to switch the described of the corresponding input interface acquisition
The signal type of switch is all different.
4. locking device of switch cabinet according to claim 2, which is characterized in that further include indicator light and with the indicator light
The battery of connection, the indicator light are connect with the display module；
The battery is used to power for the indicator light and the display module when the power module powers off, so that the finger
Show that lamp is opened when the power module powers off and the display module shows the state of the switch and shows the switch
State prompt message.
5. locking device of switch cabinet according to claim 4, which is characterized in that further include battery management module, the electricity
Pond management module is connect with the control module；
The battery management module is monitored and is managed the electricity of the battery by the control module.
6. locking device of switch cabinet according to claim 2, which is characterized in that further include communication module, the communication mould
Block is connect with the control module；
The communication module with circuit control room for connecting, by the state transfer of the switch to the circuit control room
In.
7. according to claim 1-6 any one of them locking device of switch cabinet, which is characterized in that the power module has electricity
Power filter, the electric source filter circuit are used to prevent the fluctuation of input power.
8. locking device of switch cabinet according to claim 6, which is characterized in that further include indicator light output interface, it is described
Indicator light output interface is connect with the indicator light；
The indicator light output interface for being connect with the circuit control room, and by the open and-shut mode of the indicator light export to
The circuit control room.
9. locking device of switch cabinet according to claim 6, which is characterized in that further include interconnecting module, the input mould
Block, the output module, the display module and the communication module are connected by the interconnecting module and the control module
It connects.
10. locking device of switch cabinet according to claim 2, which is characterized in that the display module is display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810576682.9A CN108766809A (en) | 2018-06-05 | 2018-06-05 | locking device of switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810576682.9A CN108766809A (en) | 2018-06-05 | 2018-06-05 | locking device of switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108766809A true CN108766809A (en) | 2018-11-06 |
Family
ID=63999304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810576682.9A Pending CN108766809A (en) | 2018-06-05 | 2018-06-05 | locking device of switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108766809A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111864899A (en) * | 2020-06-22 | 2020-10-30 | 深圳供电局有限公司 | Five-prevention locking system |
-
2018
- 2018-06-05 CN CN201810576682.9A patent/CN108766809A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111864899A (en) * | 2020-06-22 | 2020-10-30 | 深圳供电局有限公司 | Five-prevention locking system |
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