CN205645604U - High tension switchgear prevents mistake operating means - Google Patents

High tension switchgear prevents mistake operating means Download PDF

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Publication number
CN205645604U
CN205645604U CN201620287580.1U CN201620287580U CN205645604U CN 205645604 U CN205645604 U CN 205645604U CN 201620287580 U CN201620287580 U CN 201620287580U CN 205645604 U CN205645604 U CN 205645604U
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CN
China
Prior art keywords
switch
earthed switch
earthed
misoperating
shutter
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Active
Application number
CN201620287580.1U
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Chinese (zh)
Inventor
鲍全军
鲁庆宾
明涛
王哲
刘涛
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NANYANG CITY XINTE ELECTRIC CO Ltd
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NANYANG CITY XINTE ELECTRIC CO Ltd
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Priority to CN201620287580.1U priority Critical patent/CN205645604U/en
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Publication of CN205645604U publication Critical patent/CN205645604U/en
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Abstract

The utility model discloses a high tension switchgear prevents mistake operating means, it including the handle hole that is used for isolator and earthing switch divide -shut brake gang operated, be used for controlling mobilizable shielding plate, vacuum circuit breaker and isolator and earthing switch interlocking device, cabinet door and isolator and earthing switch interlocking device and earthing switch and cabinet door interlocking device that the handle hole was opened and close. Should prevent that mistake operating means can prevent reliably that vacuum circuit breaker, isolator and earthing switch's branch closing operation and high tension switchgear door on -off operation's mistake from moving, ensured to operate safe and reliable, and simple structure has, occupation space is little, does not increase the high tension switchgear volume, moreover advantage such as easy and simple to handle.

Description

A kind of anti-misoperating device for high-voltage switch cubicle
Technical field
This utility model relates to high voltage electric equipment anti-misoperation technical field, is specifically related to a kind of high-tension switch cabinet anti-error Operation device.
Background technology
The high-tension switch cabinet of power supplying and distributing equipment mainly by operating elements such as vacuum circuit breaker, disconnecting switch, earthed switches, with And transformer etc. is measured, protection element composition current supply circuit.High voltage electric equipment is running with in maintenance process, and operation may be drawn Send out severe safety accident.To this, former Ministry of Energy issue " preventing electric misoperation device management from specifying " (energy security (1990) No. 1110) it is distinctly claimed: all electrical equipments likely causing maloperation, anti-misoperation apparatus all should be installed.Error-proof device should Realize following functions (being called for short five to prevent): (one) prevents mistake point, falsely close circuit breaker;(2) prevent on-load from drawing, close disconnecting switch; (3) band cable address splice grafting ground wiretap is prevented;(4) prevent earth lead switch from closing disconnector;(5) prevent from being strayed into band Electricity interval.In order to ensure the personal safety of operator and the properly functioning of cabinet, the basic demand to switch cubicle is: at switch When cabinet is in running status, does not allows to open the door of switch cubicle, only when breaker open operation, disconnecting switch separating brake ground connection, connect Put in place after just allow to open cabinet door;Secondly, only when after breaker open operation, could operation isolation/earthed switch, the most only Having after isolating/grounding switch divide-shut brake puts in place completely, chopper could close a floodgate.
Traditional technological means is: separate unit switch cubicle self uses mechanical chain or electrical interlocks or two kinds of linkage modes to close And use, then use electrical interlocks between the superior and the subordinate and switch cubicle at the same level, between the superior and the subordinate's switch cubicle, then use electrical interlocks Reliability is poor.
ZL03209375.6 patent discloses a kind of Novel high tension switchgear mechanical chain operating mechanism, each keeps apart Closing and the operating mechanism of earthed switch is all the effort-saving mechanism being made up of gear, each input shaft bore is by the connection with logic function Jam plate controls, it is achieved the two big functions interlock, operated.Mainly subtracted by roller gear and cycloidal-pin wheel (Large Copacity switch uses) Speed machine, interlock plate, change lever, support, base etc. are constituted, and Manual operation handle is inserted on power shaft and amplifies power through reductor Output shaft disconnecting switch operation, earthed switch is passed to after square;Operation controls interlock plate again by the cam on output shaft after putting in place, Make interlock plate can only by set program behavior, interlock plate controls again the input shaft bore of operating mechanism, makes disconnecting switch and ground connection Switch also can only be by the procedure operation set.
ZL200720008971.6 patent discloses the interlock in a kind of electric appliance switch operating mechanism, and it includes: one Installing plate, it offers two the first action bars vias;One interlock plate, it can assemble and installing plate slidingly, wherein, is somebody's turn to do Interlock plate offers two the second action bars vias, between this two second action bars via spacing and two first action bars vias it Between spacing, this second action bars via can select the first action bars via that aligns;Two microswitch, they are all located at peace Dress plate, lays respectively at about interlock plate;One vee-block, it is fixedly installed in installing plate, wherein, this vee-block has V-shaped groove;One Sliding part, it can slide up and down to be assemblied in interlock plate and stretch out with interlock plate under, wherein, this sliding part lower end and V-shaped groove V The relation that is slidably connected is constituted between profile;And an elastomer, it connects sliding part and interlock plate.These mechanical interlocking device machines Structure is the most complicated, and parts are many, and manufacture requirements is high, poor reliability, operates underaction, it is impossible to hang by there being special requirement to use Lock locks the requirement of each operating process.
Patent of invention ZL201210007824.2 discloses the five-preventing system of a kind of high-tension switch cabinet, it include chopper with Gree switch interlocking mechanism, disconnecting switch and earthed switch interlocking gear, earthed switch and chopper and the chain machine of disconnecting switch Structure, disconnecting switch is most of with Xiamen interlocking gear five with lower door interlocking mechanism and earthed switch, although it is capable of isolation Switch, chopper, earthed switch interaction interlocking, it is ensured that operation sequence is correct, operates successfully, and operation sequence is incorrect, and operation is not Success, but its structure is complicated, and component is many, takes up room big, and brings inconvenience to high-voltage board internal overhaul.
Utility model content
Problem to be solved in the utility model is to provide a kind of anti-misoperating device for high-voltage switch cubicle, and this mechanism can Prevent the breaking-closing operating of vacuum circuit breaker, disconnecting switch and earthed switch and cabinet door from opening and closing the malfunction operated, really by ground Protect and operate safety, and simple in construction, easy and simple to handle.
For solving above-mentioned technical problem, technical solution adopted in the utility model is: a kind of anti-error behaviour of high-tension switch cabinet Make device, open including for disconnecting switch and the handle hole of earthed switch divide-shut brake gang operated, for controlling described handle hole The moveable shutter that closes, vacuum circuit breaker and disconnecting switch and earthed switch interlocking mechanism, cabinet door and disconnecting switch and connect Ground switch interlocking mechanism and earthed switch and cabinet door interlocking mechanism.
Described vacuum circuit breaker and disconnecting switch and earthed switch interlocking mechanism have and touch with described shutter one end Spacing blocking arm, this spacing blocking arm is articulated and connected by the output shaft of connecting lever with vacuum circuit breaker.
Described cabinet door and disconnecting switch and earthed switch interlocking mechanism include being respectively arranged at the upper and lower both sides of described shutter The 2 set locked components at position, are respectively used to middle door and Xiamen and disconnecting switch and the interlocking of earthed switch.
Described locked component has fixes, with switch cubicle inwall, the bearing being connected, and bearing has latch hook by pin-hinges, lock The side of hook arranges push pedal, and pin is coated with the torque spring for compressing latch hook.
Described earthed switch have with cabinet door interlocking mechanism respectively with in, 2 jam plates being connected of lower cabinet door and with jam plate card The locking bar connect, locking bar arranges at least 2 cannelures, and described jam plate arranges the open slot coordinated with locking bar.
Described locking bar is hinged with the driving lever that the output shaft with earthed switch output toggle arm is connected, and is used for stirring locking bar and is allowed to Move axially.
Described shutter arranges action pane and some long slot bores, and by guide blot and door in switch cubicle and Xiamen it Between crossbeam inwall connect.
The operating side of the operation axle of described disconnecting switch and earthed switch breaking-closing operating arranges divide-shut brake stop collar, this point Combined floodgate stop collar week, side was provided with stopper slot or spacing hole, and described shutter arranges the connection that can coordinate with stopper slot or spacing hole Untie-sell axle.
The beneficial effects of the utility model are:
1) anti-misoperating device for high-voltage switch cubicle of the present utility model can be reliably prevented vacuum circuit breaker, disconnecting switch And the breaking-closing operating of earthed switch and the malfunction of high-voltage switch cabinet door switching manipulation, it is ensured that operate safe and reliable;
2) this anti-misoperation apparatus due to use arrange inside handle hole shutter and the disconnecting switch being attached thereto and The handle hole of earthed switch divide-shut brake gang operated, for controlling moveable shutter that described handle hole opens and closes, vacuum is broken Road device and disconnecting switch and earthed switch interlocking mechanism, cabinet door and disconnecting switch and earthed switch interlocking mechanism and earthed switch with Cabinet door interlocking mechanism, and Ge Bu interlocking mechanism respectively with vacuum circuit breaker, disconnecting switch, earthed switch and cabinet door operation machine Structure organically combines, thus simple in construction, take up room little, do not increase high-tension switch cabinet volume, and easy and simple to handle;
3) divide-shut brake stop collar is set in operation axle one end, and divide-shut brake stop collar week side radially offer 2 limits Position groove or spacing hole, shutter fixedly mounts the linkage bearing pin coordinated with stopper slot or spacing hole, the most in use If isolating/grounding switch divides/closing operation puts in place and extract operation handle, then one of them stopper slot or spacing hole and set bar Shaft position is corresponding, and shutter can move right, and now can carry out vacuum circuit breaker closing operation;If isolating/grounding switch Point/closing operation do not puts in place, or do not extracts operation handle, then stopper slot and linkage bearing pin can not corresponding matching, shutter cannot Moving right, the most then can not carry out vacuum circuit breaker closing operation, this structure achieves vacuum circuit breaker and disconnecting switch Interlocking with earthed switch.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings this utility model is further described:
Fig. 1 is the structural representation of this utility model embodiment one;
Fig. 2 is the schematic diagram of another structure of this utility model embodiment one;
Fig. 3 is the top view of Fig. 2;
Fig. 4 is the structural representation of this utility model embodiment two.
Detailed description of the invention
With embodiment, this utility model is described further below in conjunction with the accompanying drawings.
Embodiment one
As shown in Figure 1, Figure 2, Figure 3 shows, the high-tension switch cabinet that power system is used is usually by cabinet and internally installed Vacuum circuit breaker, disconnecting switch, the operating element such as earthed switch composition, its cabinet be provided with visit, middle door 8 and 6 three, Xiamen Cabinet door, is provided with crossbeam 1 between middle door 8 and Xiamen 6.
Anti-misoperation apparatus described in the utility model includes: for disconnecting switch and earthed switch divide-shut brake gang operated Handle hole, for controlling moveable shutter 3 that described handle hole opens and closes, vacuum circuit breaker leaves with disconnecting switch and ground connection Close interlocking mechanism, cabinet door and disconnecting switch and earthed switch interlocking mechanism and earthed switch and cabinet door interlocking mechanism.
Described handle hole is opened on described crossbeam 1, relative with the breaking-closing operating axle 4 of disconnecting switch and earthed switch Should, use special operation handle to may pass through handle hole, be connected with the operating side of operation axle 4 and carry out rotation process, it is achieved isolation Switch is or/and the separating brake of earthed switch or combined floodgate.
Wherein, disconnecting switch and earthed switch divide-shut brake gang operated mechanism can use the anti-error behaviour of applicant's separate case application Make mechanism, entitled " high-voltage switch cabinet isolation switch joins, and locks misoperation-proof mechanism ", this misoperation-proof mechanism bag with earthed switch Include isolator operating mechanism and earthing switch operating mechanism, isolator operating mechanism and earthing switch operating mechanism to wrap respectively Include with the output shaft of output toggle arm on arrange clutch plate and for driving the driver plate of clutch plate, two driver plates are installed on operation successively On axle 4, it is possible to achieve disconnecting switch and the interlocking of earthed switch divide-shut brake and gang operated.
Described shutter 3 is arranged on inside described crossbeam 1, it arranges action pane 5 and some long slot bores 7, and passes through Crossbeam 1 inwall between guide blot 9 with door in high-tension switch cabinet 8 with Xiamen 6 is connected, and shutter 3 can be along crossbeam length side To moving freely.In use, operator can stir shutter 3 by operation window 5, and makes operation window 5 with described The position of handle hole is corresponding, in order to carry out disconnecting switch and earthed switch point/closing operation.
Described vacuum circuit breaker and disconnecting switch and earthed switch interlocking mechanism have and touch with described shutter 3 left end Spacing blocking arm 2, this spacing blocking arm 2 is articulated and connected by the output shaft 10 of connecting lever 11 with vacuum circuit breaker, its jointed shaft and high pressure The inwall of switch cubicle connects.During vacuum circuit breaker closing operation, its output shaft 10 is lifted up, and drives spacing blocking arm 2 Rotate in an anti-clockwise direction.After breaker closing, its output shaft 10 is in a high position, and it is dead that shutter 3 is then pushed into right-hand member by spacing blocking arm 2 Point position, blocks described handle hole, and shutter 3 cannot be pulled to moving to left, and operation handle naturally also cannot insert, the most really Protect isolating/grounding switch after vacuum circuit breaker closes a floodgate can not operate.And only when after vacuum breaker open operation, along with vacuum is broken The reset of road device output toggle arm, the free end of spacing blocking arm 2 goes to left dead-centre position clockwise, and the obstruction of shutter 3 releases, behaviour Make personnel to pull shutter 3 with hands and move to left to left dead point, make operation window 5 corresponding with the position of handle hole, now can be inserted into Operation handle carries out point/closing operation to disconnecting switch and earthed switch.Meanwhile, hide owing to the insertion of operation handle hinders Moving to right of baffle plate 3, the free end of spacing blocking arm 2 also will be limited at the combined floodgate of left dead-centre position, i.e. locking vacuum circuit breaker.
Described cabinet door and disconnecting switch and earthed switch interlocking mechanism include being symmetricly set in described shutter about 3 both sides 2 set locked components, be respectively used to middle door 8 and Xiamen 6 and disconnecting switch and the interlocking of earthed switch, described locked component has Fix the bearing 12 being connected with switch cubicle inwall, this bearing 12 is hinged with latch hook 13 by pin 14, the side one of latch hook 13 Being provided with the push pedal 21 arranged with latch hook 13 T-shaped, pin 14 is coated with torque spring 15, the two of torque spring 15 are freely End abuts against, for the compression of latch hook 13 latched position with latch hook 13 and bearing 12 respectively.Effect by torque spring 15 so that Latch hook 13 is in the case of not having External Force Acting places restrictions on the position that shutter 3 moves to left, the most then shutter 3 is in and blocks behaviour Make the position in hole, the breaking-closing operating of disconnecting switch and earthed switch is implemented locking;And the mistake that central door 8 or Xiamen 6 are closed Cheng Zhong, its inwall touches and promotes push pedal 21 to make latch hook 13 be rotated clockwise around pin 14, releases it left to shutter 3 That moves places restrictions on.Therefore, after middle door 8 and Xiamen 6 are closed, shutter 3 can be pulled and move to left, release and handle hole is blocked, isolation The breaking-closing operating of switch and earthed switch unlocks.If middle door 8 is or/and Xiamen 6 is not turned off, because latch hook 13 hooks shutter 3, make It can not move to left place restrictions on operation handle be inserted into row operation.When latch hook 13 because of in the closedown of door 8 and Xiamen 6 release shutter 3 After the restriction moved to left, now can move to left shutter 3, update handle carries out the divide-shut brake behaviour of disconnecting switch and earthed switch Make.
Described earthed switch have with cabinet door interlocking mechanism respectively with in, 2 jam plates 17 being connected of lower cabinet door 8,6 inwall and The locking bar 16 being connected with jam plate 17, locking bar 16 arranges at least 2 cannelures 18, and the setting of described jam plate 17 coordinates with locking bar 16 Open slot 22, is and the circular port slightly larger than locking bar 16 diameter that the width between oral area two side is bigger bottom this open slot 22 In footpath at the bottom of cannelure 18 position.Described locking bar 16 is hinged with the driving lever that the output shaft with earthed switch output toggle arm 19 is connected 20, for stirring moving axially of locking bar 16.After earthed switch closes a floodgate, cannelure 18 position of locking bar 16 is because being positioned at jam plate 17 Place and can by groove deviate from, middle door 8 and Xiamen 6 are unlocked can open;And earthed switch does not closes a floodgate or closes a floodgate when not putting in place, Locking bar 16 because of its cannelure 18 position not at jam plate 17 can not by open slot 18 in deviate from, middle door 8 and Xiamen 6 are because of interlocking not Can open, it is achieved the charged anti-misoperation locking that can not open the door, thus avoid operator to enter entering into charged intervals.
Embodiment two
Referring to Fig. 4, as further improvement project, divide-shut brake stop collar 23 can be set in the operating side of described operation axle 4, 23 weeks sides of this divide-shut brake stop collar radially offer 2 stopper slots 24, and on described shutter 3, fixed installation can be joined with stopper slot 24 The linkage bearing pin 25 closed, this linkage bearing pin 25 moves together with shutter 3, and certainly, this linkage bearing pin 25 also can be by connecting seat 26 are arranged on shutter 3, so can regulate the length that linkage bearing pin 25 stretches out, use convenient.In use, If isolating/grounding switch divides/and closing operation puts in place and extracts operation handle, then one of them stopper slot 24 and linkage bearing pin 25 Putting correspondence, shutter 3 can move right, and now can carry out vacuum circuit breaker closing operation;If isolating/grounding switch divides/ Closing operation does not puts in place, or does not extracts operation handle, then stopper slot 24 and linkage bearing pin 25 can not corresponding matching, shutter 3 nothing Method moves right, the most then can not carry out vacuum circuit breaker closing operation;Thus achieve vacuum circuit breaker and disconnecting switch and The interlocking of earthed switch.
Although above, preferred embodiment of the present utility model is described, principle of the present utility model to be described and answers With, it is to be understood that this utility model otherwise can realize on the basis of without departing from these principles.

Claims (8)

1. an anti-misoperating device for high-voltage switch cubicle, it is characterised in that: it includes for disconnecting switch and earthed switch deciliter The handle hole of lock gang operated, for controlling moveable shutter, vacuum circuit breaker that described handle hole opens and closes and keeping apart Close and earthed switch interlocking mechanism, cabinet door and disconnecting switch and earthed switch interlocking mechanism and earthed switch and cabinet couplet on the door lock machine Structure.
2. anti-misoperating device for high-voltage switch cubicle as claimed in claim 1 a kind of, it is characterised in that: described vacuum circuit breaker with Disconnecting switch and earthed switch interlocking mechanism have the spacing blocking arm touched with described shutter one end, and this spacing blocking arm is by turning Arm is articulated and connected with the output shaft of vacuum circuit breaker.
3. anti-misoperating device for high-voltage switch cubicle as claimed in claim 1 a kind of, it is characterised in that: described cabinet door with keep apart Close and earthed switch interlocking mechanism includes being respectively arranged at the 2 of position, described shutter upper and lower both sides and overlaps locked components, use respectively Yu Zhongmen and Xiamen and disconnecting switch and the interlocking of earthed switch.
4. a kind of anti-misoperating device for high-voltage switch cubicle as claimed in claim 3, it is characterised in that: described locked component has Fixing, with switch cubicle inwall, the bearing being connected, bearing has latch hook by pin-hinges, and the side of latch hook arranges push pedal, and pin is worn Equipped with the torque spring for compressing latch hook.
5. a kind of anti-misoperating device for high-voltage switch cubicle as claimed in claim 3, it is characterised in that: described earthed switch and cabinet Door interlocking mechanism have respectively with in, 2 jam plates being connected of lower cabinet door and the locking bar with jam plate clamping, locking bar arranges at least 2 Individual cannelure, described jam plate arranges the open slot coordinated with locking bar.
6. anti-misoperating device for high-voltage switch cubicle as claimed in claim 5 a kind of, it is characterised in that: described locking bar be hinged with The driving lever that the output shaft of earthed switch output toggle arm is connected, is used for stirring locking bar and is allowed to move axially.
7. a kind of anti-misoperating device for high-voltage switch cubicle as described in claim 1 or 3, it is characterised in that: described shutter sets Put action pane and some long slot bores, and be connected with crossbeam inwall between door with Xiamen in switch cubicle by guide blot.
8. an anti-misoperating device for high-voltage switch cubicle, it is characterised in that: it includes for disconnecting switch and earthed switch deciliter The handle hole of lock gang operated, for controlling moveable shutter, vacuum circuit breaker that described handle hole opens and closes and keeping apart Close and earthed switch interlocking mechanism, cabinet door and disconnecting switch and earthed switch interlocking mechanism and earthed switch and cabinet couplet on the door lock machine Structure;The operating side of the operation axle of disconnecting switch and earthed switch opening/closing operation mechanism arranges divide-shut brake stop collar, this divide-shut brake Stop collar week, side was provided with stopper slot or spacing hole, and described shutter arranges the set bar that can coordinate with stopper slot or spacing hole Axle.
CN201620287580.1U 2016-04-08 2016-04-08 High tension switchgear prevents mistake operating means Active CN205645604U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105702500A (en) * 2016-04-08 2016-06-22 南阳市鑫特电气有限公司 High voltage switch cabinet misoperation preventing device
CN109491448A (en) * 2018-11-01 2019-03-19 王策勋 Electric automatization console
CN112467590A (en) * 2019-09-06 2021-03-09 河南森源电气股份有限公司 Direct current switch cabinet and mechanical interlocking device of circuit breaker handcart thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105702500A (en) * 2016-04-08 2016-06-22 南阳市鑫特电气有限公司 High voltage switch cabinet misoperation preventing device
CN105702500B (en) * 2016-04-08 2018-04-03 南阳市鑫特电气有限公司 A kind of anti-misoperating device for high-voltage switch cubicle
CN109491448A (en) * 2018-11-01 2019-03-19 王策勋 Electric automatization console
CN112467590A (en) * 2019-09-06 2021-03-09 河南森源电气股份有限公司 Direct current switch cabinet and mechanical interlocking device of circuit breaker handcart thereof
CN112467590B (en) * 2019-09-06 2022-04-19 河南森源电气股份有限公司 Direct current switch cabinet and mechanical interlocking device of circuit breaker handcart thereof

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