CN104882310A

CN104882310A - Disconnecting link lock of power switch cabinet

Info

Publication number: CN104882310A
Application number: CN201510316404.6A
Authority: CN
Inventors: 朱子毅
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-06-11
Filing date: 2015-06-11
Publication date: 2015-09-02
Also published as: WO2016197504A1

Abstract

Disclosed in the invention is a disconnecting link lock of a power switch cabinet. The disconnecting link lock comprises a housing and a lock shaft; and the lock shaft is pulled out from a lock shaft hole formed in the housing. The disconnecting link lock is characterized in that a displacement sensor for sensing the lock shaft displacement is arranged at the side wall of the lock shaft hole. A pin hole is formed in the lock shaft; and an elastic mandrel is arranged at an electromagnet corresponding to the pin hole. A computer key determines and controls the popping and pulling back of the elastic mandrel based on transmitted signals. With the disconnecting link lock, an accident of loaded disconnecting link operation can be prevented; and accidental power failure of a client can be avoided and thus economic losses can be prevented.

Description

A kind of knife switch lock of power switch cabinet

Technical field

The present invention relates to power industry power distribution cabinet safety operation restraint device field, relate to a kind of knife switch lock of power switch cabinet specifically.

Background technology

At present, the lockset that on market, most power switch cabinet pin lock uses is divided into Purely mechanical and microcomputer padlock type.The lockset program of pure machinery is fixed, malfunction, can only take fixing operation pattern, and lockset is easily aging to get rusty, the easy bite of key, microcomputer padlock form is by computer simulation operating process, down operation ticket, execute-in-place, system features in convenient is flexible, but lockset is not fixed installation, easily occurs hanging wrong interval or walking idle stroke.

Summary of the invention

Object of the present invention is exactly the knife switch lock providing a kind of power switch cabinet in order to thoroughly solve above-mentioned deficiency, prevents the accident of on-load broaching tool lock from occurring.

For achieving the above object, design a kind of knife switch lock of power switch cabinet, comprise housing, lock shaft, lock shaft is pull in the lock shaft hole set by housing, it is characterized in that, the back of described lock shaft is provided with a groove, the alignment pin set by housing and this fit depressions, and the sidewall in lock shaft hole is provided with the displacement transducer of induction lock axial displacement; Described lock shaft is provided with pin-and-hole, and the electromagnet corresponding with this pin-and-hole arranges elastic central spindle; Computer key is judged the ejection of control elastic central spindle by the signal transmitted and is retracted, institute's displacement sensors judges the pull position of lock shaft by the displacement of predeterminated position point a certain on lock shaft, described lock shaft is provided with 2 pin-and-holes, described electromagnet is also provided with 1 Hall, for ejection or the position that retracts of detecting core shaft, described housing is fixed on the clamping plate of disconnecting link by connecting bolt, described lock shaft inserts disconnecting link through installing clamping plate, to control point closing operation of disconnecting link, described computer key inserts locking device by connector.

The present invention can prevent the accident of on-load broaching tool lock from occurring, and avoids client's accident power-off, causes economic loss.This lockset act as and is arranged on switch cubicle disconnecting link handle, for controlling the folding and the state that detect disconnecting link.By the adhesive release latch of electromagnet, to operate switch handle, this lockset has checkout equipment state and lockset status function, and whether computer key can operate according to equipment lockset state judging equipment is put in place, this lockset has position detecting function, by Hall element, device location and lockset position can be detected, carry out communication with computer key, computer key can according to lockset equipment state, judge the operation logic of lockset, lockset fixedly mounts, and avoids away idle stroke.

Accompanying drawing explanation

Fig. 1 is that knife switch lock and disconnecting link assemble schematic diagram

Fig. 2 is structural representation of the present invention

Fig. 3 is closing position schematic diagram

Fig. 4 is open position schematic diagram

When Fig. 5 is separating brake, lockset coordinates schematic diagram with disconnecting link

Fig. 6 is that when closing a floodgate, lockset coordinates schematic diagram with disconnecting link

In figure: 1, knife switch lock 2, clamping plate A 3, clamping plate B 4, disconnecting link 5, mounting panel 6, housing 7, predeterminated position point 8, end casing 9, connecting bolt 10, lock shaft 11, electromagnet 12, transducer 13, displacement transducer 14, handwheel 15, connector 16, side cover plate 17, alignment pin.

Embodiment

As shown in the figure, a knife switch lock for power switch cabinet, comprises housing 6, lock shaft 10, and lock shaft 10 is pull in the lock shaft hole set by housing 6, lock shaft 10 has predeterminated position point 7, the sidewall in lock shaft hole is provided with the displacement transducer 13 of this predeterminated position point 7 change in displacement of induction, described lock shaft 10 is provided with pin-and-hole, and the position corresponding with this pin-and-hole arranges elastic central spindle, computer key is judged the ejection of control elastic central spindle by derived signals and is retracted, the back of described lock shaft 10 is provided with a groove, alignment pin 17 set by housing 6 and this fit depressions, institute's displacement sensors is by judging that the displacement of predeterminated position point 7 detects the pull position of lock shaft 10, described lock shaft 10 is provided with 2 pin-and-holes, described electromagnet 11 is also provided with 1 transducer 12, for ejection or the position that retracts of detecting core shaft, described housing 6 is fixed on the clamping plate of disconnecting link 4 by connecting bolt 9, described lock shaft 10 inserts disconnecting link 4 through installing clamping plate, to control point closing operation of disconnecting link 4, described computer key inserts locking device by connector 15.

Disconnecting link is installed on mounting panel 5, knife switch lock 1 is installed on clamping plate A2 by connecting bolt 9, and disconnecting link 4 is also clamped by another clamping plate B3, and the back of described lock shaft is provided with a groove, alignment pin 17 set by housing 6 and this fit depressions, groove is for limiting the pull stroke of lock shaft.

What this equipment was mainly used in switch cubicle stops power transmission, both as Fig. 3, when disconnecting link 4 shifts top onto, equipment is power transmission state, when disconnecting link 4 is left behind as Fig. 4 position, equipment is power down mode, if equipment live is operated a switch can cause device damage, and client's accident power-off, cause economic loss, this locking device for control disconnecting link 4 deciliter, this locking device adopts computer key to control, by computer key according to upper one the state of lockset and equipment, pass through Logic judgment, satisfy condition and can open locking, operation disconnecting link 4, again lock disconnecting link, treat the unlatching that again satisfies condition.

Knife switch lock 1 to be installed with 9 clamping plate A2 by the connecting bolt of front end and is fixed, push and pull out control appliance disconnecting link by lock shaft 10, there is a groove at the back of lock shaft 10, by alignment pin 17 and groove fit, realize the horizontal pull of lock shaft, there is displacement transducer 13 side of lock shaft 10, lock shaft 10 there is a predeterminated position point 7, by the displacement variation value of predeterminated position point 7, detect lock shaft 10 position, when lock shaft 10 pull is to certain position, the mandrel of electromagnet 11 can eject, by locked for lock shaft 10, make lock shaft 10 cannot pull, to reach interlock, detection signal in locking can import computer key into by connector 15, computer key is sent to electromagnet according to Logic judgment output signal by connector 15, to control ejection or the withdrawal of electromagnet mandrel, the transducer 12 of electromagnet 11 rear end is for detecting the state of electromagnet mandrel.

When equipment needs power transmission, disconnecting link 4 has been latched in open position as Fig. 4 and Fig. 5, now computer key inserts locking device by connector 15, first computer key detects lockset state by Hall element, and equipment state, detecting electromagnet mandrel by transducer 12 is ejecting or retracting position, if at ejected position, then judges that lockset is at blocking; Then by displacement transducer 13 judgment device state, judge shift value, now lock shaft 10 is at half-travel position, with this judgment device at open position, meet power transmission condition, computer key can give electromagnet signal transmission, electromagnet mandrel retracts, and now operating personnel operate handwheel 14 and extract lock shaft 10 out, disconnecting link are shifted onto power transmission position, pushed by lock shaft 10, according to shift value change, computer key judges that locking puts in place, to electromagnet signal transmission, eject mandrel, locked lock shaft 10, completes transmission process.

This lockset also comprises end casing 8 and side cover plate 16, in order to protect internal component.

It may be noted that, above-mentioned execution mode is only the preferred embodiment of the invention, and for those skilled in the art, under the prerequisite meeting operation principle of the present invention, any equivalent or similar replacement all falls into protection scope of the present invention.

Claims

1. the knife switch lock of a power switch cabinet, comprise housing, lock shaft, lock shaft is pull in the lock shaft hole set by housing, it is characterized in that, the back of described lock shaft is provided with a groove, alignment pin set by housing and this fit depressions, the sidewall in lock shaft hole is provided with the displacement transducer of induction lock axial displacement; Described lock shaft is provided with pin-and-hole, and the electromagnet corresponding with this pin-and-hole arranges elastic central spindle; Computer key is judged the ejection of control elastic central spindle by the signal transmitted and is retracted.

2. the knife switch lock of a kind of power switch cabinet according to claim 1, is characterized in that, institute's displacement sensors judges the pull position of lock shaft by the displacement of predeterminated position point a certain on lock shaft.

3. the knife switch lock of a kind of power switch cabinet according to claim 1, is characterized in that, described lock shaft is provided with 2 pin-and-holes.

4. the knife switch lock of a kind of power switch cabinet according to claim 1, is characterized in that, described electromagnet is also provided with 1 transducer for the ejection of detecting core shaft or the position that retracts.

5. the knife switch lock of a kind of power switch cabinet according to claim 1, is characterized in that, described housing is fixed on the clamping plate of disconnecting link by connecting bolt.

6. the knife switch lock of a kind of power switch cabinet according to claim 1, is characterized in that, described lock shaft inserts disconnecting link through installing clamping plate, to control point closing operation of disconnecting link.

7. the knife switch lock of a kind of power switch cabinet according to claim 1, is characterized in that, described computer key inserts locking device by connector.