CN109473876A - A high-voltage switchgear locking device for code verification and its control method - Google Patents
A high-voltage switchgear locking device for code verification and its control method Download PDFInfo
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- CN109473876A CN109473876A CN201810313105.0A CN201810313105A CN109473876A CN 109473876 A CN109473876 A CN 109473876A CN 201810313105 A CN201810313105 A CN 201810313105A CN 109473876 A CN109473876 A CN 109473876A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/306—Accessories, e.g. windows
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00944—Details of construction or manufacture
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/24—Circuit arrangements for boards or switchyards
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C2009/00753—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys
- G07C2009/00761—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by connected means, e.g. mechanical contacts, plugs, connectors
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Lock And Its Accessories (AREA)
Abstract
一种五防采码验证的开关柜闭锁装置，采用带电显示装置与五防挂锁配套的闭锁，布置在开关柜的６个防误闭锁点，分别为断路器、母线闸刀、线路闸刀、开关柜柜门、开关与母线闸刀间接地桩头、线路侧接地桩头。通过加装带电显示闭锁装置对操作线路进行是否带电的验证，在确认线路无电时，电脑五防钥匙通过该闭锁装置采集电编码并转换为解锁指令，由该指令对开关柜后柜门的五防挂锁进行解锁。带电显示装置对母线电压进行采集，并传输给五防采码端口，当母线电压不为零时，五防电脑钥匙无法采集打开柜门的电编码。本发明可以方便的改装普通高压开关柜，操作简单可靠，安装和维护成本低，易于实现微机联防。
A switch cabinet locking device for five-proof code-checking verification, which adopts a live-electric display device and five-proof padlock matching lock, and is arranged in 6 anti-misoperation locking points of the switch cabinet, which are circuit breaker, busbar knife, line knife, The switchgear cabinet door, the switch and the busbar knife are connected to the grounding pile head, and the line side grounding pile head. By installing a live display locking device to verify whether the operation line is live, when it is confirmed that the line is not powered, the computer five-proof key collects the electrical code through the locking device and converts it into an unlocking command, which is used to control the rear door of the switch cabinet. Five anti-padlocks to unlock. The live display device collects the bus voltage and transmits it to the five-proof code collection port. When the bus voltage is not zero, the five-proof computer key cannot collect the electrical code for opening the cabinet door. The invention can conveniently refit common high-voltage switch cabinets, has simple and reliable operation, low installation and maintenance costs, and is easy to realize microcomputer joint defense.
Description
Technical field
The present invention relates to electric power five-defence block fields, and in particular to it is a kind of adopt code verifying high-tension switch cabinet blocking device and
Its control method.
Background technique
In substation, working environment is complicated, and electrical equipment type is varied, easily generation operating personnel's maloperation thing
Therefore.Maloperation event once occurs, it is possible to cause bus, line outage, in some instances it may even be possible to can cause large-area power-cuts, threaten people
Body safety and the stabilization of power grids.Currently, usually equipment manufacturer can be latched switchgear rear cabinet door using two ways, i.e., rear cabinet
Door and carrys additionally mechanical lock at installing electromagnetic lock.When the interval 10kV changes line maintenance by running, by the way of electromagnetic lock are as follows: pull open
Breaker-pulls open route plug-in strip-and pulls open bus plug-in strip-by electromagnetic lock opening rear cabinet door, and electromagnetic lock has differentiated route at this time
Not charged-electrical verification installing ground line；By the way of Mechanical ring latch are as follows: pull open breaker-and pull open route plug-in strip-and pull open mother
Cable brake knife-computer walks five-proof program and opens rear cabinet door, and program differentiates whether process is correct, if if route is that knob mutually supplies at this time
Route, there are the security risk of route electrification-electrical verification installing ground lines.It is found by analysis, takes the switch for carrying additionally mechanical lock
There is band risk when stopping labour in cabinet, and install the switchgear of electromagnetic lock with the increase of time and frequency of use, electromagnetic lock appearance
Easily occur bite, can not the failures such as normal use, directly affect the operating efficiency of equipment, thus the setting of rear cabinet door unlocking condition and
Stability using error-proof device is main problem.
102903563 B of China Patent No. CN, publication date on 2 11st, 2015, a kind of five-prevention operation of high-tension switch cabinet
Mechanism, including mounting rack, operating side, for controlling the control terminal of front door locking and breaker splitting or integrating, mounting rack is equipped with and behaviour
Make the driving mechanism of end connection, operating side only one, operating side includes operation panel, and operation panel is equipped with operation port, control
Open and close state of the end through linkage mechanism control operating side, driving mechanism includes the drive shaft being rotatably provided on mounting rack, is used for
The Geneva mechanism for driving disconnecting switch, earthing switch, for driving the auxiliary switch driving mechanism of auxiliary switch, drive shaft one end
Upper installation operation panel, the drive shaft other end install Geneva mechanism and auxiliary switch driving mechanism.The present invention uses single operation end
Setting, and transmission device between control terminal and Geneva mechanism, auxiliary switch driving mechanism is omitted, simplify operating mechanism, there is body
It is safe to accumulate small, easy to operate and use, is able to satisfy " five is anti-" interlock requirement.But it is easy due to corrosion only with mechanical mechanism
Failure, processing and manufacturing is at high cost, while can not realize microcomputer network joint defence, has limitation.
Summary of the invention
The technical problem to be solved by the present invention is current high-voltage switch cabinet anti-mislock device and its control method stability
With the technical problem of safety difference.Propose a kind of five anti-padlocks using charged display device and with authentication function adopts code
The high-tension switch cabinet blocking device and its control method of verifying.
In order to solve the above technical problems, the technical solution used in the present invention are as follows: a kind of high-tension switch cabinet for adopting code verifying
Blocking device, including charged display device, five anti-computer keys, five anti-padlocks and latching accessory, the charged display device packet
It includes high pressure sensor, connecting line, display and five to prevent adopting a yard port, the high pressure sensor is connect with high voltage bus, the company
Wiring connects high pressure sensor with display, and the display is mounted on the outside of high-voltage switch cabinet door, and described five prevent adopting code
It installs over the display port；The latching accessory is arranged on the error preventing lock point of high-tension switch cabinet, the five anti-padlock with close
Locking accessory matches, and is provided with computer key interface on the lock body of five anti-padlocks, is provided with unlocking apparatus in five anti-padlock bodies, institute
Unlocking apparatus is stated to connect with computer key interface.Acquire whether high voltage bus charges by charged display device, if high voltage bus
Then unlocking information is transmitted in five anti-computer keys without electricity, five anti-computer keys are connect with five anti-padlocks, can both give five
Anti- padlock power supply, while unlocking information can be applicable in and unlock five anti-padlocks, realize unlocking process.
Lead to preferably, the five anti-computer key case includes shell, microprocessor, fast storage, power supply contact, data
Letter contact and built-in power, the microprocessor and built-in power are arranged in shell, the power supply contact and data communication touching
Point is arranged in housing outer surface, and the power supply contact is connect with built-in power, the data communication contact and fast storage and
Microprocessor connection, the error preventing lock point of the high-tension switch cabinet include breaker, bus plug-in strip, route plug-in strip, door of switch cabinet,
Switch and bus plug-in strip pile crown and line side Earth pile-head indirectly.Built-in power both can be anti-for five in five anti-computer keys
Computer key power supply, and can prevent adopting a yard port for the five of charged display device when connecting charged display device or five anti-padlocks
Or five anti-padlock power supplies so that anti-yard port and the five anti-padlocks adopted of the five of charged display device without individual power supply, save at
This.
Preferably, five anti-padlocks include padlock, unlocking apparatus and computer key interface, unlocking apparatus includes eccentric wheel electricity
Machine, MCU and memory；Computer key interface is mounted on the outside of padlock lock body, and unlocking apparatus is mounted in padlock lock body, computer key
Spoon interface is matched with five anti-computer keys, and computer key interface includes power supply contact and data contact, and power supply contact and data are touched
Point is connect with MCU, and eccentric turbin generator and memory are connect with MCU；Padlock lock tongue surface is provided with the notch of setting length, partially
The eccentric wheel of heart turbin generator is abutted with notch far from the one side of padlock shackle free end.When five anti-computer keys and five anti-padlocks
The connection of computer key interface when, five anti-padlocks obtain electric, and the information and proving program that MCU is stored by memory are to five anti-computers
The unlocking information that key carries is verified, if information meets, MCU makes its rotation to eccentric wheel electrical power, in eccentric wheel
Promotion under lock tongue is retracted, padlock unlock.
Preferably, the error preventing lock point of the high-tension switch cabinet be cabinet door, the latching accessory include fixinig plate and
Movable plate, the movable plate and fixinig plate are articulated and connected, and the fixinig plate is plate-like, and fixinig plate is fixedly mounted on high-tension switch cabinet
In cabinet door, it is provided with hollow out in the middle part of fixinig plate, high-voltage switch cabinet door keyhole is located in the hollow out, the movable plate fixinig plate
The hollow out is covered when fitting, fixinig plate side and movable plate corresponding side are provided with riser, and lockhole, institute are provided on the riser
Lockhole is stated to match with five anti-padlocks.By adding the latching accessory, ordinary high pressure switchgear can be easily reequiped, carries out equipment
Upgrading, at low cost and effect are good.
Preferably, the error preventing lock point of the high-tension switch cabinet is the extinguishing arc plug-in strip equipped with JS interlocking mechanism, it is described to close
Locking accessory includes upper fixinig plate, lower fixinig plate, baffle, lock nose and limit film, and fixed is in a strip shape with lower fixinig plate,
Upper fixinig plate is fixedly mounted on above JS interlocking mechanism, and the lower fixinig plate is fixedly mounted below JS interlocking mechanism, the limit
Bit slice is fixed on fixinig plate, and the lock nose is fixed on lower fixinig plate, and the baffle is in a strip shape, has arch in the middle part of baffle
It rises, baffle lower part is provided with and the matched hole of JS interlocking mechanism.By installing this latching accessory additional, it must can effectively be latched JS interlocking machine
Structure.
Preferably, described five prevent that adopting a yard port includes that electronic switch, data line, reading data contact and data are deposited
Reservoir, the reading data contact are matched with five anti-computer keys, and the data storage is read by data line and data
Contact is taken to connect, the electronic switch is located on data line, and the electronic switch controling end is connect with high pressure sensor, when
High pressure sensor exports terminal potential and is lower than electronic switch connection when setting value, when high pressure sensor output end voltage-to-ground is big
Electronic switch disconnects when setting value.If electronic switch disconnects, nothing between reading data contact and data storage
Access, five anti-computer keys are also just read less than unlocking information.
Preferably, the high pressure sensor is capacitor C1, capacitor C1 first end is connect with high voltage bus；The display
Including shell and several show circuits, the show circuit includes capacitor C2, piezoelectric ceramics, static contact P1, static contact P2, moves
Contact P3, diode D1, zener diode D2, light emitting diode D3, capacitor C3 and current-limiting resistance R1, capacitor C2 first end pass through
Connecting line is connect with capacitor C1 second end, and capacitor C2 second end ground connection, piezoelectric ceramics bottom surface is fixed on shell, piezoelectric ceramics top
Face is fixedly connected with movable contact spring P3 insulation, and piezoelectric ceramics left side passes through the sheet metal being bonded therewith and capacitor C2 first end connects
Connect, piezoelectric ceramics right side by the sheet metal that is bonded therewith ground connection, the static contact P1 and the conllinear step of static contact P2 and it
Between there are gap, the movable contact spring P3 is bonded with the side of static contact P1 and static contact P2 and covers the gap, the stationary contact
Piece P1 is connect with capacitor C2 first end, and the static contact P2 is connect with diode D1 anode, the diode D1 cathode and capacitor
The connection of C3 first end, capacitor C3 second end ground connection, zener diode D2 cathode and light emitting diode D3 anode with capacitor C3 the
One end connection, zener diode D2 plus earth, light emitting diode D3 cathode are grounded through current-limiting resistance R1.
High voltage bus usually has 110KV, 35KV or 10kV alternating voltage, thus when driving light emitting diode D3 to shine
It is reduced to 5V firstly the need of progress decompression appropriate, such as by 110kV, for driving lumination of light emitting diode, however high pressure is female
If line has a few hectovolt alternating voltages because of failure, light emitting diode D3 will cannot get enough driving voltages without sending out
Light, but the alternating voltage of a few hectovolts still has risk.For such problems, inventor devises above-mentioned decompression electricity
Road, capacitor C1 and capacitor C2 series connection, the two all has certain impedance, thus can play the role of partial pressure, adjusts capacitor C1
With the capacitance ratio of capacitor C2, the dividing ratios that both adjustable capacitor C2 first end obtains, so that high voltage bus band is normal
Electric field strength is less than piezoelectric ceramics breakdown strength between piezoelectric ceramics two sides when electrification, if needed can be on a piezoelectric ceramics left side
It installs capacitor between side metal plate and capacitor C2 first end additional further to divide, capacitor C2 first end voltage-to-ground is become by sinusoidal rule
Change, when capacitor C2 first end is over the ground positive voltage, piezoelectric ceramics elongates or shortens under electric field action, sets when voltage is no more than
When definite value, movable contact spring P3 is contacted with static contact P1 and static contact P2, and high voltage bus carries out capacitor C3 by capacitor C1 at this time
Charging, when voltage is more than setting value, the length variable quantity of piezoelectric ceramics makes movable contact spring P3 and static contact P1 or static contact P2
Disengage, that is, cut off the connection between capacitor C3 and high voltage bus so that the ceiling voltage of capacitor C3 be setting value, i.e., without
By high voltage bus with normal high pressure or with the low pressure more much lower than normal high pressure, the both ends capacitor C3 can be obtained more
Constant voltage value, capacitor C3 capacitance is larger, and the charge circuit resistance of capacitor C3 is much smaller than discharge loop, so that high pressure is female
When tape has lower voltage, light emitting diode D3 still has brighter brightness.
It is a kind of adopt code verifying high-tension switch cabinet blocking device control method, suitable for it is above-mentioned it is a kind of adopt code verifying
High-tension switch cabinet blocking device, comprising the following steps: A1) prevent storing this high pressure in the data storages for adopting yard port described five
The unlocking pin for all five anti-locking device of switch cabinet installed on switchgear, five anti-extensions of the five anti-locking device of switch cabinet
It is stored with the data and program of verifying unlocking pin in the memory of lock, will pacify with the five anti-charged display devices for adopting yard port
On the outside of high-tension switch cabinet, five anti-padlocks are arranged on the locking poiut of high-tension switch cabinet；A2) when needing to high-tension switch cabinet
When being overhauled, breaker, route plug-in strip and bus plug-in strip are successively pulled open, whether high voltage bus is judged according to charged display device
Electrification, it is on the contrary then forbid opening high voltage cabinet door and terminate process if it is determined that then enter step A3 without electricity；A3) by five anti-computer keys
Spoon prevents that adopting a yard port connect with five, and the five anti-electronic switches for adopting yard port are connected, and five anti-computer keys is made to may be coupled to data
Memory reads and stores unlocking pin；A4) five anti-computer keys are successively prevented with the five of high-tension switch cabinet locking poiut by process
Padlock connection, five anti-padlocks are key-powered by five anti-computers at this time, the unlocking pin of the anti-computer key storage of verifying five, if password
Correct then five anti-padlocks of unlatching and the unlocking pin for generating next process locking poiut unlock the five of whole locking poiuts anti-padlocks
Afterwards, high-voltage switch cabinet door is opened.
Substantial effect of the invention is: the repacking ordinary high pressure switchgear that can be convenient, operation is simple and reliable, installation and
Maintenance cost is low, it is easy to accomplish microcomputer joint defence is laid to further increase the degree of automation of high-tension switch cabinet anti-misoperation locking
Basis.
Detailed description of the invention
Fig. 1 is high-tension switch cabinet blocking device composition figure.
Fig. 2 is five anti-computer Key structure figures.
Fig. 3 is five anti-pad lock structure figures.
Fig. 4 is latching accessory structure chart, and wherein Fig. 4-(1) is that latching accessory unlocks schematic diagram, and Fig. 4-(2) is latching accessory
It is latched schematic diagram.
Fig. 5 is the latching accessory structure chart of JS interlocking mechanism locking poiut, and wherein Fig. 5-(1) is JS interlocking mechanism latching accessory
It is latched schematic diagram, Fig. 5-(2) is that JS interlocking mechanism latching accessory unlocks schematic diagram.
Fig. 6 is show circuit schematic diagram.
Fig. 7 is the flow diagram of the control method of five anti-locking device of switch cabinet.
Wherein: 1, high voltage bus, 2, high pressure sensor, 3, connecting line, 4, shielding line, 5, five prevent adopting a yard port, 6, display
Device, 7, data communication contact, 8, power supply contact, 9, high-tension switch cabinet, 10, five anti-padlocks, 11, computer key interface, 12, locking
Attachment, 13, shielding line electrification display, 14, five anti-computer keys, 15, shell, 16, built-in power, 17, fast storage, 18,
Microprocessor, 19, lock bridge, 20, memory, 21, MCU, 22, data contact, 23, lock tongue, 24, eccentric wheel, 25, eccentric wheel electricity
Machine, 26, lock body, 27, power supply contact, 28, riser, 29, cabinet door locking poiut, 30, movable plate, 31, fixinig plate, 32, upper fixinig plate,
33, JS interlocking mechanism, 34, baffle, 35, lower fixinig plate, 36, lock nose, 37, piezoelectric ceramics.
Specific embodiment
Below by specific embodiment, and in conjunction with attached drawing, a specific embodiment of the invention is further described in detail.
As shown in Figure 1, for high-tension switch cabinet blocking device composition figure, the high pressure sensor of high voltage bus charged display device
2 connect with high voltage bus 1, and high pressure sensor 2 is connect by connecting line 3 with display 6, and shielding line 4 coats connecting line 3 and is grounded,
Shielding line 4 is connect with shielding line electrification display 13, and five anti-yard ports 5 of adopting arrange that five anti-computers are arranged on the key on the display 6
There are data communication contact 7 and power supply contact 8, anti-adopts yard port 5 and the corresponding Interface Matching of five anti-padlocks 10, five anti-padlocks with five
10 are arranged at the locking poiut of high-tension switch cabinet 9 with latching accessory 12, are disposed with computer key interface 11 on five anti-padlocks 10,
When high voltage bus 1 is without electricity, five anti-computer keys with five it is anti-adopt yard port 5 and connect can read unlocking information and stored
Come, then connect five anti-computer keys with the computer key interface 11 of five anti-padlocks 10, five anti-computer keys can be acquired
To unlocking information verified by five anti-padlocks 10, be verified then five anti-padlocks unlock, and then complete high-tension switch cabinet 9 and close
The safety unlock of lock point.
As shown in Fig. 2, be five anti-computer Key structure figures, five anti-computer key cases include shell 15, microprocessor 18, fast
Fast memory 17, power supply contact 8, data communication contact 7 and built-in power 16, microprocessor 18 and built-in power arrangement 16 are in shell
In body 15, power supply contact 8 and data communication contact 7 are arranged in 15 outer surface of shell, and power supply contact 8 is connect with built-in power 16,
Data communication contact 7 and fast storage 17 are connect with microprocessor 18, the error preventing lock point of high-tension switch cabinet 9 include breaker,
Bus plug-in strip, route plug-in strip, door of switch cabinet, switch and bus plug-in strip pile crown and line side Earth pile-head indirectly.It is anti-five
Built-in power 16 not only can be key-powered for five anti-computers in computer key, but also can be in connection charged display device or five anti-padlocks
When, it powers for the five anti-anti- padlocks 10 in yard port 5 or five of adopting of charged display device, so that the five of charged display device are anti-to adopt a yard end
Mouth 5 and five anti-padlocks 10 are not necessarily to individual power supply, save cost.
As shown in figure 3, being five anti-pad lock structure figures, five anti-padlocks include padlock, unlocking apparatus and computer key interface, are opened
Locking device includes eccentric turbin generator 25, MCU21 and memory 20；Computer key interface is mounted on 26 outside of padlock lock body, unlocks
Device is mounted in padlock lock body 26, and computer key interface is matched with five anti-computer keys, and computer key interface includes power supply touching
Point 27 and data contact 22, power supply contact 27 and data contact 22 are connect with MCU21, and eccentric turbin generator 25 and memory 20 are equal
It is connect with MCU21；23 surface of padlock lock tongue is provided with the notch of setting length, and the eccentric wheel 24 and notch of eccentric turbin generator 25 are separate
The one side of 19 free end of padlock shackle abuts.When five anti-computer keys are connect with the computer key interface of five anti-padlocks, five
Anti- padlock 10 obtains the unlock letter electric, the information and proving program that MCU21 is stored by memory 20 carry five anti-computer keys
Breath is verified, if information meets, MCU21 gives the eccentric energization of turbin generator 25 to make its rotation, will under the promotion of eccentric wheel 24
Lock tongue 23 is retracted, padlock unlock.
As shown in figure 4, being latching accessory structure chart, wherein Fig. 4-(1) is that latching accessory unlocks schematic diagram, and Fig. 4-(2) is
Latching accessory is latched schematic diagram, and latching accessory includes fixinig plate 31 and movable plate 30, and movable plate 30 and fixinig plate 31 are articulated and connected,
Fixinig plate 31 is plate-like, and fixinig plate 31 is fixedly mounted in 9 cabinet door of high-tension switch cabinet, and hollow out, high pressure are provided in the middle part of fixinig plate 31
9 cabinet door keyhole 29 of switchgear is located in hollow out, and 30 fixinig plate of movable plate covers hollow out, 31 side of fixinig plate and activity when being bonded
30 corresponding side of plate is provided with riser 28, and lockhole is provided on riser 28, and lockhole is matched with five anti-padlocks 10.By adding the locking
Attachment can easily reequip ordinary high pressure switchgear 9, carry out device upgrade transformation, and at low cost and effect is good.
As shown in figure 5, being the latching accessory structure chart of JS interlocking mechanism locking poiut, wherein Fig. 5-(1) is JS interlocking mechanism
Latching accessory is latched schematic diagram, and Fig. 5-(2) is that JS interlocking mechanism latching accessory unlocks schematic diagram, the error preventing lock of high-tension switch cabinet 9
Point is the extinguishing arc plug-in strip equipped with JS interlocking mechanism 33, and latching accessory includes upper fixinig plate 32, lower fixinig plate 35, baffle 34, lock
Nose 36 and limit film, upper fixinig plate 32 and lower fixinig plate 35 are in a strip shape, and upper fixinig plate 32 is fixedly mounted on JS interlocking mechanism 33
Top, lower fixinig plate 35 are fixedly mounted on 33 lower section of JS interlocking mechanism, and limit film is fixed on fixinig plate 32, and lock nose 36 is fixed
On lower fixinig plate 35, baffle 34 is in a strip shape, has arc to arch upward in the middle part of baffle 34, and 34 lower part of baffle is provided with and JS interlocking mechanism 33
Matched hole.By installing this latching accessory additional, it must can effectively be latched JS interlocking mechanism 33.
Five anti-yard ports 5 of adopting include electronic switch, data line, reading data contact and data storage, and data are read
Contact is taken to match with five anti-computer keys, data storage is connect by data line with reading data contact, electronic switch
On data line, electronic switch controling end is connect with high pressure sensor 2, is lower than when high pressure sensor 2 exports terminal potential
Electronic switch is connected when setting value, and when 2 output end voltage-to-ground of high pressure sensor is greater than or equal to setting value, electronic cutting is turned off
It opens.If electronic switch disconnects, nonpassage between reading data contact and data storage, five anti-computer keys are also just read not
To unlocking information.
As shown in fig. 6, being show circuit schematic diagram, high pressure sensor 2 is capacitor C1, capacitor C1 first end and high voltage bus
Connection；Display 6 includes shell and several show circuits, and show circuit includes capacitor C2, piezoelectric ceramics, static contact P1, quiet
Contact P2, movable contact spring P3, diode D1, zener diode D2, light emitting diode D3, capacitor C3 and current-limiting resistance R1, capacitor C2
First end is connect by connecting line with capacitor C1 second end, and capacitor C2 second end ground connection, 37 bottom surface of piezoelectric ceramics is fixed on shell
On, 37 top surface of piezoelectric ceramics is fixedly connected with movable contact spring P3 insulation, and 37 left side of piezoelectric ceramics passes through the sheet metal being bonded therewith
It is connect with capacitor C2 first end, 37 right side of piezoelectric ceramics passes through the sheet metal ground connection being bonded therewith, static contact P1 and static contact
The conllinear step of P2 and between there are gap, movable contact spring P3 is bonded with the side of static contact P1 and static contact P2 and covers gap, quiet
Contact P1 is connect with capacitor C2 first end, and static contact P2 is connect with diode D1 anode, diode D1 cathode and capacitor C3 first
End connection, capacitor C3 second end ground connection, zener diode D2 cathode and light emitting diode D3 anode connect with capacitor C3 first end
It connects, zener diode D2 plus earth, light emitting diode D3 cathode is grounded through current-limiting resistance R1.As recommendation, in piezoelectric ceramics
It is connected with capacitor C4 between 37 left side sheet metals and capacitor C2 first end, for reducing the electric field strength of 37 two sides of piezoelectric ceramics
To guarantee that piezoelectric ceramics 37 is not breakdown.
As shown in fig. 7, the flow diagram of the control method for five anti-locking device of switch cabinet, is adopted suitable for one kind above-mentioned
The high-tension switch cabinet blocking device of code verifying, comprising the following steps: A1) it is stored originally in the five anti-data storages for adopting yard port
The unlocking pin for all five anti-locking device of switch cabinet installed on high-tension switch cabinet, five anti-extensions of five anti-locking device of switch cabinet
It is stored with the data and program of verifying unlocking pin in the memory of lock, will pacify with the five anti-charged display devices for adopting yard port
On the outside of high-tension switch cabinet, five anti-padlocks are arranged on the locking poiut of high-tension switch cabinet；A2) when needing to high-tension switch cabinet
When being overhauled, breaker, route plug-in strip and bus plug-in strip are successively pulled open, whether high voltage bus is judged according to charged display device
Electrification, it is on the contrary then forbid opening high voltage cabinet door and terminate process if it is determined that then enter step A3 without electricity；A3) by five anti-computer keys
Spoon prevents that adopting a yard port connect with five, and the five anti-electronic switches for adopting yard port are connected, and five anti-computer keys is made to may be coupled to data
Memory reads and stores unlocking pin；A4) five anti-computer keys are successively prevented with the five of high-tension switch cabinet locking poiut by process
Padlock connection, five anti-padlocks are key-powered by five anti-computers at this time, the unlocking pin of the anti-computer key storage of verifying five, if password
Correct then five anti-padlocks of unlatching and the unlocking pin for generating next process locking poiut unlock the five of whole locking poiuts anti-padlocks
Afterwards, high-voltage switch cabinet door is opened.
Above-mentioned embodiment is only a preferred solution of the present invention, not the present invention is made in any form
Limitation, there are also other variations and modifications on the premise of not exceeding the technical scheme recorded in the claims.
Claims (10)
1. a kind of high-tension switch cabinet blocking device for adopting code verifying, which is characterized in that
It include high pressure including charged display device, five anti-computer keys, five anti-padlocks and latching accessory, the charged display device
Sensor, connecting line, display and five are anti-to adopt a yard port, and the high pressure sensor is connect with high voltage bus, and the connecting line will
High pressure sensor is connected with display, and the display is mounted on the outside of high-voltage switch cabinet door, and described five anti-yard ports of adopting are pacified
Dress is over the display；The latching accessory is arranged on the error preventing lock point of high-tension switch cabinet, the five anti-padlock and latching accessory
It matches, is provided with computer key interface on the lock body of five anti-padlocks, unlocking apparatus, the unlocking are provided in five anti-padlock bodies
Device is connect with computer key interface.
2. a kind of high-tension switch cabinet blocking device for adopting code verifying according to claim 1, which is characterized in that
The five anti-computer key case includes shell, microprocessor, fast storage, power supply contact, data communication contact and built-in
Power supply, the microprocessor and built-in power are arranged in shell, and the power supply contact and data communication contact are arranged in shell
Outer surface, the power supply contact are connect with built-in power, and the data communication contact and fast storage are connect with microprocessor,
The error preventing lock point of the high-tension switch cabinet includes breaker, bus plug-in strip, route plug-in strip, door of switch cabinet, switch and bus lock
Knife pile crown and line side Earth pile-head indirectly.
3. a kind of high-tension switch cabinet blocking device for adopting code verifying according to claim 1 or 2, which is characterized in that
The error preventing lock point of the high-tension switch cabinet is cabinet door, and the latching accessory includes fixinig plate and movable plate, the work
Movable plate and fixinig plate are articulated and connected, and the fixinig plate is plate-like, and fixinig plate is fixedly mounted on high-voltage switch cabinet door, fixinig plate
Middle part is provided with hollow out, and high-voltage switch cabinet door keyhole is located in the hollow out, and the movable plate fixinig plate covers institute when being bonded
Hollow out is stated, fixinig plate side and movable plate corresponding side are provided with riser, and lockhole is provided on the riser, and the lockhole and five prevent
Padlock matching.
4. a kind of high-tension switch cabinet blocking device for adopting code verifying according to claim 1 or 2, which is characterized in that
The error preventing lock point of the high-tension switch cabinet is the extinguishing arc plug-in strip equipped with JS interlocking mechanism, and the latching accessory includes upper solid
Stator, lower fixinig plate, baffle, lock nose and limit film, fixed in a strip shape with lower fixinig plate, the fixed peace of upper fixinig plate
Above JS interlocking mechanism, the lower fixinig plate is fixedly mounted below JS interlocking mechanism, and the limit film is fixed on solid
On stator, the lock nose is fixed on lower fixinig plate, and the baffle is in a strip shape, has arc to arch upward in the middle part of baffle, baffle lower part is opened
Have and the matched hole of JS interlocking mechanism.
5. a kind of high-tension switch cabinet blocking device for adopting code verifying according to claim 1 or 2, which is characterized in that
Described five prevent that adopting a yard port includes electronic switch, data line, reading data contact and data storage, the data
It reads contact to match with five anti-computer keys, the data storage is connect by data line with reading data contact, institute
It states electronic switch to be located on data line, the electronic switch controling end is connect with high pressure sensor, when high pressure sensor is defeated
Terminal potential is lower than electronic switch when setting value and connects out, when high pressure sensor output end voltage-to-ground is greater than or equal to setting
Electronic switch disconnects when value.
6. a kind of high-tension switch cabinet blocking device for adopting code verifying according to claim 4, which is characterized in that
Described five prevent that adopting a yard port includes electronic switch, data line, reading data contact and data storage, the data
It reads contact to match with five anti-computer keys, the data storage is connect by data line with reading data contact, institute
It states electronic switch to be located on data line, the electronic switch controling end is connect with high pressure sensor, when high pressure sensor is defeated
Terminal potential is lower than electronic switch when setting value and connects out, when high pressure sensor output end voltage-to-ground is greater than or equal to setting
Electronic switch disconnects when value.
7. a kind of high-tension switch cabinet blocking device for adopting code verifying according to claim 1 or 2, which is characterized in that
The high pressure sensor is capacitor C1, and capacitor C1 first end is connect with high voltage bus；
The display includes shell and several show circuits, and the show circuit includes capacitor C2, piezoelectric ceramics, static contact
P1, static contact P2, movable contact spring P3, diode D1, zener diode D2, light emitting diode D3, capacitor C3 and current-limiting resistance R1, electricity
Hold C2 first end to connect by connecting line with capacitor C1 second end, capacitor C2 second end ground connection, piezoelectric ceramics bottom surface is fixed on shell
On body, piezoelectric ceramics top surface and movable contact spring P3 insulation are fixedly connected, piezoelectric ceramics left side pass through the sheet metal that is bonded therewith with
The connection of capacitor C2 first end, piezoelectric ceramics right side pass through the sheet metal ground connection being bonded therewith, the static contact P1 and static contact
The conllinear step of P2 and between there are gap, the movable contact spring P3 is bonded with the side of static contact P1 and static contact P2 and covers described
Gap, the static contact P1 are connect with capacitor C2 first end, and the static contact P2 is connect with diode D1 anode, the diode
D1 cathode is connect with capacitor C3 first end, capacitor C3 second end ground connection, zener diode D2 cathode and light emitting diode D3 anode
It is connect with capacitor C3 first end, zener diode D2 plus earth, light emitting diode D3 cathode is grounded through current-limiting resistance R1.
8. a kind of high-tension switch cabinet blocking device for adopting code verifying according to claim 3, which is characterized in that
The high pressure sensor is capacitor C1, and capacitor C1 first end is connect with high voltage bus；
The display includes shell and several show circuits, and the show circuit includes capacitor C2, piezoelectric ceramics, static contact
P1, static contact P2, movable contact spring P3, diode D1, zener diode D2, light emitting diode D3, capacitor C3 and current-limiting resistance R1, electricity
Hold C2 first end to connect by connecting line with capacitor C1 second end, capacitor C2 second end ground connection, piezoelectric ceramics bottom surface is fixed on shell
On body, piezoelectric ceramics top surface and movable contact spring P3 insulation are fixedly connected, piezoelectric ceramics left side pass through the sheet metal that is bonded therewith with
The connection of capacitor C2 first end, piezoelectric ceramics right side pass through the sheet metal ground connection being bonded therewith, the static contact P1 and static contact
The conllinear step of P2 and between there are gap, the movable contact spring P3 is bonded with the side of static contact P1 and static contact P2 and covers described
Gap, the static contact P1 are connect with capacitor C2 first end, and the static contact P2 is connect with diode D1 anode, the diode
D1 cathode is connect with capacitor C3 first end, capacitor C3 second end ground connection, zener diode D2 cathode and light emitting diode D3 anode
It is connect with capacitor C3 first end, zener diode D2 plus earth, light emitting diode D3 cathode is grounded through current-limiting resistance R1.
9. a kind of high-tension switch cabinet blocking device for adopting code verifying according to claim 6, which is characterized in that
The high pressure sensor is capacitor C1, and capacitor C1 first end is connect with high voltage bus；
The display includes shell and several show circuits, and the show circuit includes capacitor C2, piezoelectric ceramics, static contact
P1, static contact P2, movable contact spring P3, diode D1, zener diode D2, light emitting diode D3, capacitor C3 and current-limiting resistance R1, electricity
Hold C2 first end to connect by connecting line with capacitor C1 second end, capacitor C2 second end ground connection, piezoelectric ceramics bottom surface is fixed on shell
On body, piezoelectric ceramics top surface and movable contact spring P3 insulation are fixedly connected, piezoelectric ceramics left side pass through the sheet metal that is bonded therewith with
The connection of capacitor C2 first end, piezoelectric ceramics right side pass through the sheet metal ground connection being bonded therewith, the static contact P1 and static contact
The conllinear step of P2 and between there are gap, the movable contact spring P3 is bonded with the side of static contact P1 and static contact P2 and covers described
Gap, the static contact P1 are connect with capacitor C2 first end, and the static contact P2 is connect with diode D1 anode, the diode
D1 cathode is connect with capacitor C3 first end, capacitor C3 second end ground connection, zener diode D2 cathode and light emitting diode D3 anode
It is connect with capacitor C3 first end, zener diode D2 plus earth, light emitting diode D3 cathode is grounded through current-limiting resistance R1.
10. a kind of control method for the high-tension switch cabinet blocking device for adopting code verifying, is suitable for such as any one of claim 1-9 institute
A kind of high-tension switch cabinet blocking device for adopting code verifying stated, which is characterized in that
The following steps are included:
A1 all five anti-switchgears installed on this high-tension switch cabinet) are stored in the described five anti-data storages for adopting yard port
It is close to be stored with verifying unlock in the memory of five anti-padlocks of the five anti-locking device of switch cabinet for the unlocking pin of blocking device
The data and program of code will be mounted on the outside of high-tension switch cabinet, by five anti-extensions with the five anti-charged display devices for adopting yard port
Lock is arranged on the locking poiut of high-tension switch cabinet；
A2) when needing to overhaul high-tension switch cabinet, breaker, route plug-in strip and bus plug-in strip are successively pulled open, according to band
On the contrary electric display device judges whether high voltage bus charges, then forbid opening high voltage cabinet door if it is determined that then enter step A3 without electricity
And terminate process；
A3 five anti-computer keys) are prevented that adopting a yard port connect with five, the five anti-electronic switches for adopting yard port are connected, and five anti-computers are made
Key may be coupled to data storage and read and store unlocking pin；
A4) five anti-computer keys are successively connect with five anti-padlocks of high-tension switch cabinet locking poiut by process, five anti-padlocks are at this time
It is key-powered by five anti-computers, the unlocking pin of five anti-computer keys storage of verifying, if password correctly if open five anti-padlocks simultaneously
The unlocking pin for generating next process locking poiut opens high-voltage switch cabinet door after the five of whole locking poiuts anti-padlock unlocks.
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| CN201810313105.0A CN109473876B (en) | 2018-04-09 | 2018-04-09 | A high-voltage switchgear locking device for code verification and its control method |
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| CN201810313105.0A CN109473876B (en) | 2018-04-09 | 2018-04-09 | A high-voltage switchgear locking device for code verification and its control method |
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| CN109473876B CN109473876B (en) | 2020-11-13 |
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|---|---|
| CN109473876B (en) | 2020-11-13 |
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