CN102227055A - Secondary interlocking mechanism of switch cabinet - Google Patents

Secondary interlocking mechanism of switch cabinet Download PDF

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Publication number
CN102227055A
CN102227055A CN2011100698170A CN201110069817A CN102227055A CN 102227055 A CN102227055 A CN 102227055A CN 2011100698170 A CN2011100698170 A CN 2011100698170A CN 201110069817 A CN201110069817 A CN 201110069817A CN 102227055 A CN102227055 A CN 102227055A
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CN
China
Prior art keywords
protection plate
interlocking device
plate
interlock protection
switch cubicle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2011100698170A
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Chinese (zh)
Other versions
CN102227055B (en
Inventor
刘俊峰
翁兴锋
李年利
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIANGSU HUAGUAN ELECTRICAL EQUIPMENT GROUP CO Ltd
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JIANGSU HUAGUAN ELECTRICAL EQUIPMENT GROUP CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JIANGSU HUAGUAN ELECTRICAL EQUIPMENT GROUP CO Ltd filed Critical JIANGSU HUAGUAN ELECTRICAL EQUIPMENT GROUP CO Ltd
Priority to CN 201110069817 priority Critical patent/CN102227055B/en
Publication of CN102227055A publication Critical patent/CN102227055A/en
Application granted granted Critical
Publication of CN102227055B publication Critical patent/CN102227055B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention belongs to the field of high-voltage switch cabinets, and in particular relates to a secondary interlocking mechanism of the switch cabinet. The secondary interlocking mechanism comprises a switch cabinet body, a cabinet gate, a breaker, a secondary socket, a secondary plug and an interlocking mechanism, wherein the secondary socket is arranged on the switch cabinet body and connected with the breaker; the breaker is in clearance fit in the switch cabinet body; the interlocking mechanism comprises an interlocking mechanism seat, a limiting part, an interlocking protective plate, a reset part and a positioning part; the positioning part comprises a stripped hole; the interlocking protective plate passes through the stripped hole and is provided with one step which is coordinated with the positioning part; and under the action of the reset part, one end of the interlocking protective plate can move to the front of the secondary socket and the other end of the interlocking protective plate can move to the position coordinated with the limiting part. The secondary interlocking mechanism has the advantages that the cabinet gate is closed after the secondary plug is ensured to be inserted into the secondary socket, thus the breaker is available to arrive at a working position for operation; and when the breaker operates, the secondary plug is ensured to be inserted into the secondary socket, thus enhancing the anti-error operation function.

Description

Switch cubicle secondary interlocking device
Technical field
The invention belongs to the high-tension switch cabinet field, specifically is switch cubicle secondary interlocking device.
Background technology
Switch cubicle secondary plug interlocking device is the part of switch cubicle, comprises Secondary socket, secondary plug, interlocking device, and socket is installed on the switch cubicle body, and plug is installed on circuit breaker, and circuit breaker is the main element of switch cubicle, can shake and into shake out withdraw-type.The effect of switch cubicle secondary plug interlocking device in switch cubicle of adopting at present extensively is to prevent that the people is for pulling up secondary plug when circuit breaker during in the service position; make circuit breaker lose secondary electrical link with the switch cubicle body; so that lose manipulation function, state information and to the control defencive function of equipment and circuit; and secondary line must penetrate switch cabinet instrument room by plastic flexible pipe, does not reach the requirement of arc protection.
Equally; if not inserting just circuit breaker to be shaken, secondary plug do not enter the service position; circuit breaker is not set up the secondary electrical link with the switch cubicle body too; also can produce and lose manipulation function, state information equally with the previous case and the control defencive function of equipment and circuit; so, only prevent that in actual use the people from pulling up secondary plug to have many defectives.
Summary of the invention
The objective of the invention is at only preventing in the above-mentioned technology that the people is for pulling up the existing defective of secondary plug, a kind of switch cubicle secondary interlocking device is proposed, it connects switch cubicle, circuit breaker and secondary plug three, accomplished that secondary plug is slotting, door of switch cabinet just can't be closed, door of switch cabinet can't be closed, and circuit breaker just can't shake into service position.
The technical scheme that realizes the object of the invention is as follows:
Switch cubicle secondary interlocking device; it comprises the cabinet of switch cubicle; the cabinet door; circuit breaker; Secondary socket; secondary plug and interlocking device; Secondary socket is installed on the cabinet; secondary plug is connected with circuit breaker; the circuit breaker activity is engaged in the cabinet; interlocking device comprises interlocking device's seat; limiting component; the interlock protection plate; reset components and positioning element; interlocking device's seat is located on the cabinet and in the side of Secondary socket; limiting component is located at cabinet door inboard; interlock protection plate and interlocking device's movable cooperation of seat; reset components one end is connected with the interlocking device seat; the other end is connected with the interlock protection plate; positioning element is actively installed on interlocking device's seat; comprise a bar hole in the positioning element; the interlock protection plate passes this bar hole; and on the interlock protection plate, be provided with a step that cooperates with this positioning element; interlock protection plate one end is the plug test side; the other end is the position limitation protection end; when secondary plug separates with Secondary socket; under the effect of reset components; the plug test side of interlock protection plate can be moved to Secondary socket the place ahead, and the position limitation protection end can be moved to the cooperation position with limiting component.
Adopted this technical scheme, when the cabinet door is opened circuit breaker and is pushed test position, circuit breaker is with positioning element jack-up, secondary plug separates with Secondary socket, this moment, the interlock protection plate moved in interlocking device's seat under the effect of reset components, the plug test side moves to socket the place ahead, the position limitation protection end moves to the cooperation position with limiting component, positioning element is in the upper end of the step of interlock protection plate, at this moment, the plug test side stops secondary plug to insert in the Secondary socket in socket the place ahead, then, if the cabinet door is stressed when closing, because limiting component cooperates with the position limitation protection end, limiting component is subjected to the spacing of position limitation protection end and the cabinet door can't be closed, and circuit breaker also can't enter the service position, and the present invention's this moment just can play a protective role; If the cabinet door is closed, allow circuit breaker shake into the service position and carry out work, then need manually the interlock protection plate to be pulled to the side, this moment, socket the place ahead was left in the plug test side, then secondary plug is inserted in the Secondary socket, this moment is because circuit breaker withstands positioning element, therefore positioning element can't position the interlocking baffle under the effect of gravity, this moment, the plug test side was withstood the secondary plug that is inserted on the Secondary socket all the time, at any time follow extracting of secondary plug and protect, this moment because the position limitation protection end of the interlock protection plate other end is also shifted to the side, leave the position that cooperates with limiting component, the cabinet door just can be shut; Close Over-The-Counter behind the door, circuit breaker shakes and enters the service position and carry out work, because circuit breaker leaves positioning element, so positioning element is under the effect of gravity, drops under the step of interlock protection plate to position; When circuit breaker shakes into test position by the service position; circuit breaker is once more with positioning element jack-up; positioning element leaves from the step of interlock protection plate once more; the interlock protection plate enters the state of protecting at any time again under the effect of reset components at this moment, and the plug side is withstood in the plug test side; if secondary plug is pulled up; then the plug test side extends socket the place ahead at once, and the position limitation protection end moves to the cooperation position with limiting component at once, thereby protects.
Described reset components is a back-moving spring.Adopt spring as reset components, easy to use and cost is low, safe.
Described positioning element is a location-plate, and the bar hole of this location-plate is passed in the plug test side of described interlock protection plate, and location-plate bottom is provided with one and replys parts, and location-plate is connected with the interlocking device seat by guiding parts.Wherein bar hole is used for moving on the interlock protection plate to the location parts, so that form location and non-positioning states, to reply parts and is in order better location-plate to be backed down when circuit breaker is pulled out, and positioning element can move up and down under the guiding of guiding parts.
Described position limitation protection end is for protruding the position limitation protection plate that is arranged on the interlock protection plate.The position limitation protection plate that protrude to be provided with can form in position limitation protection plate side and allow bit space, and when cooperating with limiting component, the position limitation protection plate is spacing to limiting component, thereby protects, and need close when not spacing at the cabinet door, makes things convenient for limiting component to stretch into to allow bit space.
Described limiting component is an interlocking screw, and the one end is fixed on cabinet door inwall.The tail end of interlocking screw is fixed on the inwall of cabinet door, and the head end of interlocking screw just stretches out in cabinet like this, so conveniently cooperates with the position limitation protection plate.
Described answer parts are arc or the triangular plate that is located at the location-plate bottom.Reply parts and be set as arc or triangular plate, triangular plate can better make circuit breaker that location-plate is backed down in the face of circuit breaker one inclined-plane being arranged like this, and the interlock protection plate is better resetted under the effect of reset components.
Described position limitation protection plate is by connecting plate and interlock protection plate secured in parallel.Position limitation protection plate, connecting plate, interlock protection plate can be integrally castings or dash the bending back and form production, easy to use like this by cutting.
Described interlocking device seat is provided with a hole that is used for by the interlock protection plate at least, and one of them hole is that the step of interlock protection plate carries out spacing spacing hole.The plug test side is by this spacing hole, and the step of interlock protection plate then is higher than this spacing hole, and when shifting to Secondary socket the place ahead under the effect of interlock protection plate at reset components, spacing hole carries out spacing to step, prevents that the interlock protection plate from excessively moving past.
Also be provided with one on the described positioning element and be used for the through hole that reset components passes through.This through hole is located on the bar hole limit, mainly is that interlock protection plate and reset components is isolated, makes interlock protection plate and reset components noiseless each other
Advantage of the present invention is to have set up cabinet door and circuit breaker, secondary plug, safety interlocking contact between the Secondary socket, guarantee that secondary plug must insert the Secondary socket rear cabinet door and just can close, circuit breaker just can shake and enter the service position and carry out work, and circuit breaker is when work, guarantee that secondary plug is inserted on the Secondary socket, perfect anti-misoperation function, thereby guarantee the operating state that circuit breaker is correct, it is safer to allow the user use, more relieved, and secondary line is directly from the secondary line PULL BOX of Secondary socket mounting panel rear portion metal, hole by control room's base plate enters the control room, has reached the function of metal enclosed arc protection.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is that the A of Fig. 1 is to partial view;
Fig. 3 is that the B of Fig. 1 is to partial view;
Fig. 4 is the structural representation of interlock protection plate;
Fig. 5 is the syndeton schematic diagram of positioning element and interlocking device's seat;
Fig. 6 is the structural representation of bindiny mechanism's seat.
Among the figure, 1, cabinet, 2, the cabinet door, 3, circuit breaker; 4, Secondary socket, 5, secondary plug, 6, interlocking device's seat, 6a, spacing hole; 6b, clearance hole, 7, limiting component, 8, the interlock protection plate, 8a, step; 8b, plug test side, 8c, position limitation protection end, 8d, connecting plate, 9, reset components; 10, positioning element, 10a, bar hole, 10b, answer parts, 10c, through hole; 10d, movable span, 11, guide pin bushing, 12, rivet, 13, control room's base plate secondary line entrance hole.
Embodiment
As Fig. 1; Fig. 2; shown in Figure 3; switch cubicle secondary interlocking device; it comprises the cabinet 1 of switch cubicle; cabinet door 2; circuit breaker 3; Secondary socket 4; secondary plug 5 and interlocking device; Secondary socket 4 is fixedly mounted on the upper end of cabinet 1 and locates near the cabinet doorway; secondary plug 5 is connected with circuit breaker 3 by lead; circuit breaker 3 can be engaged in the cabinet 1 in rock type activity; need mobile by shaking; interlocking device comprises interlocking device's seat 6; limiting component 7; interlock protection plate 8; reset components 9 and positioning element 10; interlocking device's seat 6 is fixed on upper end in the cabinet 1; and interlocking device's seat 6 is in the side of Secondary socket 4; limiting component 7 is located on the inwall of cabinet door 2 inboards; interlock protection plate 8 and interlocking device's 6 movable cooperations of seat; this activity cooperate mainly be interlock protection plate 8 can be in interlocking device's seat 6 move left and right; because interlocking device's seat 6 is in the side of Secondary socket 4; so on interlock protection plate 8 spaces also in the side of Secondary socket 4; reset components 9 one ends are connected with interlocking device seat 6; the other end is connected with interlock protection plate 8; reset components 9 plays reset response for interlock protection plate 8; make the end of interlock protection plate 8 can move to Secondary socket 4 the place aheads; positioning element 10 is actively installed on interlocking device's seat 6; comprise a bar hole 10a in the positioning element 10; this bar hole 10a is processed by hollow out on positioning element 10 bodies; it is an elongated rectangular shape hole; interlock protection plate 8 passes this bar hole 10a; the length L of bar hole 10a is greater than the width D of interlock protection plate; and on interlock protection plate 8, be provided with a step 8a who cooperates with this positioning element 10; interlock protection plate 8 one ends are plug test side 8b; the other end is position limitation protection end 8c; interlock protection plate 8 is positioned at position slightly forward, Secondary socket 4 sides; when secondary plug 5 separates with Secondary socket 4; under the effect of reset components 9; the plug test side 8b of interlock protection plate 8 can be moved to the place ahead of Secondary socket 4; position limitation protection end 8c can be moved to the cooperation position with limiting component 7; equally by manually interlock protection plate 8 being moved to another side; plug test side 8b just can leave the place ahead of Secondary socket 4; position limitation protection end 8c also leaves the cooperation position with limiting component 7 simultaneously; the upper end of the step 8a of positioning element 10 on interlock protection plate 8; because manual mobile interlock protection plate 8; positioning element 10 is under the self gravitation effect; fall to step 8a lower end by bar hole 10a; positioning element 10 is just located interlock protection plate 8 by this step 8a like this; behind the location; plug test side 8b just leaves the place ahead of Secondary socket 4; position limitation protection end 8c also leaves the cooperation position with limiting component 7 simultaneously, and just can close the cabinet door this moment.
Wherein, reset components 9 is a back-moving spring; can be cylindrical spring or extension spring or other elasticity parts; mainly be parts with the function that interlock protection plate 8 can be resetted; and adopt spring as reset components, easy to use and cost is low, safe; selection face is very wide, in time changes also very efficient and convenient.
Wherein, positioning element 10 is a location-plate; the plug test side 8b of interlock protection plate 8 passes the bar hole 10a of this location-plate; and in bar hole 10a, can move to both direction; main demonstration left and right directions moves among Fig. 1 of the present invention's signal; the location-plate bottom is provided with one and replys parts 10b; the length of bar hole 10a is greater than the width of interlock protection plate 8; therefore can be used on interlock protection plate 8, moving up and down to location parts 10; so that following at step 8a; last two positions form location and non-positioning states; replying parts 10b is in order better location-plate to be backed down when circuit breaker 3 enters test position; the test position of circuit breaker 3 as shown in Figure 2; location-plate is moved on on the step 8a by step 8a is the next; allow interlock protection plate 8 under the effect of reset components 9, reset; make plug test side 8b come back to the place ahead of Secondary socket 4; the cooperation position that position limitation protection end 8c also comes back to limiting component 7 blocks limiting component 7; cabinet door 1 can't be closed; location-plate is connected with the interlocking device seat by guiding parts; wherein guiding parts is guide pin bushing 11 and rivet 12; two guide pin bushings 11 are down upward by two rivets 12, and the position is fixed on interlocking device's seat 6; location-plate is provided with a movable span 10d and through hole 10c; through hole 10c is used for passing through of reset components 9; be and go up down the position and be fixed on that two 11 of guide pin bushings pass this movable span 10d on interlocking device's seat 6; therefore location-plate is under the guiding of guide pin bushing 11, can do moving up and down by movable span 10d.
Wherein, position limitation protection end 8c is for protruding the position limitation protection plate be arranged on the interlock protection plate 8, and the protrusion setting of position limitation protection plate forms in position limitation protection plate side and to allow bit space; bit space can not needed when spacing for this; for limiting component 7 provides the space, the cabinet door can be shut, and the position limitation protection plate is when cooperating with limiting component 7; the position limitation protection plate is spacing to limiting component 7; it can't be stretched in the cabinet 1, thus cabinet door 2 can't close, reach the effect of protection.
Wherein, limiting component 7 is an interlocking screw; can be the object of bolt or elongate in shape; its major function is and the cooperating of position limitation protection plate, and withstands the position limitation protection plate when needing cabinet door 2 can't be closed, and the one end is fixed on cabinet door 2 inwalls; the other end when the cabinet door is closed in cabinet 1; the tail end of interlocking screw is fixed on the inwall of cabinet door, and the head end of interlocking screw just stretches out in cabinet like this, so conveniently cooperates with the position limitation protection plate.
Wherein, replying parts 10b is arc or the triangular plate that is located at the location-plate bottom; why reply parts 10b and will be set as arc or triangular plate; be because arc or triangular plate are having a relative inclined-plane in the face of circuit breaker; circuit breaker 3 is backed down location-plate, interlock protection plate 8 is resetted under the effect of reset components 9.
Wherein, position limitation protection plate 8c is by connecting plate 8d and interlock protection plate 8 secured in parallel.Position limitation protection plate 8c, connecting plate 8d, interlock protection plate 8 can be integrally castings or dash the bending back and form production, easy to use like this by cutting.
Wherein, interlocking device's seat 6 is provided with a hole that is used for by the interlock protection plate at least; in the present embodiment be two; one of them hole is clearance hole 6b; this clearance hole 6b play the guiding role to interlocking baffle 8; spacing spacing hole 6a is carried out for the step 8a to interlocking baffle 8 in another hole; plug test side 8b is by this spacing hole 6a; the step 8a of interlock protection plate 8 then is higher than this spacing hole 6a; when interlock protection plate 8 is shifted to Secondary socket 4 the place aheads under the effect of reset components 9; spacing hole 6a carries out spacing to step 8a, do not allow step 8a pass spacing hole 6a, prevents that interlock protection plate 8 from excessively moving past.
Wherein, the through hole 10d on the positioning element 10 is located on the limit of bar hole 10a, is to be used to allow reset components 9 pass, and its purpose mainly is that interlock protection plate 8 and reset components 9 is isolated, makes interlock protection plate 8 and reset components 9 noiseless each other
During work, open switch cubicle door 2, circuit breaker 3 is pushed test position in the switch cubicle, in Fig. 1, the answer parts 10b of location-plate 10 lower ends is withstood by circuit breaker 3, can't drop under the step 8a in action of gravity interlocking baffle 8 is positioned, therefore the plug test side 8b of interlock protection plate 8 is in the place ahead of Secondary socket 4, manually position limitation protection plate 8c is moved right, the plug test side 8b of interlock protection plate 8 just moves right at this moment, the place ahead of Secondary socket 4 is just left in plug test side 8 at this moment, secondary plug 5 is inserted in the Secondary sockets 4, because location-plate 10 is withstood and can't fall by circuit breaker 3, the side that the plug test side 8b of interlock protection plate 8 left ends withstands secondary plug 5, constantly keep readiness, if plug 5 is pulled up, then plug test side 8b stretches into the place ahead of Secondary socket 4 at once; Move right owing to interlock protection plate 8 in addition, therefore position limitation protection end 8c also moves right and leaves the position that cooperates with limiting component 7, can shut cabinet door 2 this moment, then circuit breaker is shaken the service position, carry out work, circuit breaker 3 leaves and replys parts 10b this moment, so location-plate 10 falls under action of gravity under the step 8a interlocking baffle 8 is positioned; Otherwise; circuit breaker 3 is shaken out test position from the service position; circuit breaker 3 backs down again replys parts 10b; this moment, location-plate 10 left step 8a; interlock protection plate 8 enters the preparation of protection again, this moment open cabinet door 2, pull up secondary plug 5 after; interlock protection plate 8 is protected in the place ahead that the effect of reset components 9 is moved to Secondary socket 4 rapidly, thereby interlock protection is opened.
Secondary line directly from the secondary line PULL BOX of Secondary socket mounting panel rear portion metal, enters the control room by control room's base plate secondary line entrance hole 13, has reached the function of metal enclosed arc protection.

Claims (9)

1. switch cubicle secondary interlocking device; it comprises the cabinet of switch cubicle; the cabinet door; circuit breaker; Secondary socket; secondary plug and interlocking device; Secondary socket is installed on the cabinet; secondary plug is connected with circuit breaker; the circuit breaker activity is engaged in the cabinet; it is characterized in that: interlocking device comprises interlocking device's seat; limiting component; the interlock protection plate; reset components and positioning element; interlocking device's seat is located on the cabinet and in the side of Secondary socket; limiting component is located at cabinet door inboard; interlock protection plate and interlocking device's movable cooperation of seat; reset components one end is connected with the interlocking device seat; the other end is connected with the interlock protection plate; positioning element is actively installed on interlocking device's seat; comprise a bar hole in the positioning element; the interlock protection plate passes this bar hole; and on the interlock protection plate, be provided with a step that cooperates with this positioning element; interlock protection plate one end is the plug test side; the other end is the position limitation protection end; when secondary plug separates with Secondary socket; under the effect of reset components; the plug test side of interlock protection plate can be moved to Secondary socket the place ahead, and the position limitation protection end can be moved to the cooperation position with limiting component.
2. switch cubicle secondary according to claim 1 interlocking device, it is characterized in that: described reset components is a back-moving spring.
3. switch cubicle secondary according to claim 1 interlocking device; it is characterized in that: described positioning element is a location-plate; the bar hole of this location-plate is passed in the plug test side of described interlock protection plate; location-plate bottom is provided with one and replys parts, and location-plate is connected with the interlocking device seat by guiding parts.
4. switch cubicle secondary according to claim 1 interlocking device is characterized in that: described position limitation protection end is for protruding the position limitation protection plate that is arranged on the interlock protection plate.
5. switch cubicle secondary according to claim 1 interlocking device, it is characterized in that: described limiting component is an interlocking screw, the one end is fixed on cabinet door inwall.
6. switch cubicle secondary according to claim 3 interlocking device is characterized in that: described answer parts are arc or the triangular plate that is located at the location-plate bottom.
7. switch cubicle secondary according to claim 4 interlocking device, it is characterized in that: described position limitation protection plate is by connecting plate and interlock protection plate secured in parallel.
8. switch cubicle secondary according to claim 1 interlocking device, it is characterized in that: described interlocking device seat is provided with a hole that is used for by the interlock protection plate at least, and one of them hole is that the step of interlock protection plate carries out spacing spacing hole.
9. switch cubicle secondary according to claim 1 interlocking device is characterized in that: also be provided with one on the described positioning element and be used for the through hole that reset components passes through.
CN 201110069817 2011-03-23 2011-03-23 Secondary interlocking mechanism of switch cabinet Expired - Fee Related CN102227055B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201110069817 CN102227055B (en) 2011-03-23 2011-03-23 Secondary interlocking mechanism of switch cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201110069817 CN102227055B (en) 2011-03-23 2011-03-23 Secondary interlocking mechanism of switch cabinet

Publications (2)

Publication Number Publication Date
CN102227055A true CN102227055A (en) 2011-10-26
CN102227055B CN102227055B (en) 2013-10-30

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Application Number Title Priority Date Filing Date
CN 201110069817 Expired - Fee Related CN102227055B (en) 2011-03-23 2011-03-23 Secondary interlocking mechanism of switch cabinet

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103928860A (en) * 2014-05-07 2014-07-16 万控集团有限公司 Electric equipment cabinet
CN105610059A (en) * 2016-01-29 2016-05-25 益和电气集团股份有限公司 Locking device of switch cabinet
WO2017190301A1 (en) 2016-05-05 2017-11-09 Eaton Industries (Netherlands) Bv Panel for accommodating a draw-out device
CN108879260A (en) * 2018-08-14 2018-11-23 丁汉强 A kind of mechanical interlocks suitable for different current plug and sockets
CN112134202A (en) * 2020-10-30 2020-12-25 重庆望变电气(集团)股份有限公司 Indoor metal armored movable switch equipment with safety protection switch configuration
CN112350156A (en) * 2020-10-30 2021-02-09 重庆望变电气(集团)股份有限公司 Intelligent box-type substation
CN112614711A (en) * 2020-11-13 2021-04-06 新疆特变电工自控设备有限公司 Interlocking device for secondary plug-in unit of switch cabinet and door panel of circuit breaker room

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Publication number Priority date Publication date Assignee Title
JP2002135919A (en) * 2000-10-27 2002-05-10 Taito Kogyo Kk Switchgear
CN2763954Y (en) * 2004-10-27 2006-03-08 厦门协成实业有限公司 Interlocking device for switch cabinet
US20080053797A1 (en) * 2006-08-29 2008-03-06 John Foster Farrow Door Interlock for Rotary Actuated Circuit Breaker
CN201601410U (en) * 2009-12-11 2010-10-06 天水长城开关厂有限公司 Interlock mechanism among ground switch of medium-voltage assembled switch gear, handcart and front door plate
CN202026019U (en) * 2011-03-23 2011-11-02 江苏华冠电器集团有限公司 Secondary interlocking mechanism of switch cabinet

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002135919A (en) * 2000-10-27 2002-05-10 Taito Kogyo Kk Switchgear
CN2763954Y (en) * 2004-10-27 2006-03-08 厦门协成实业有限公司 Interlocking device for switch cabinet
US20080053797A1 (en) * 2006-08-29 2008-03-06 John Foster Farrow Door Interlock for Rotary Actuated Circuit Breaker
CN201601410U (en) * 2009-12-11 2010-10-06 天水长城开关厂有限公司 Interlock mechanism among ground switch of medium-voltage assembled switch gear, handcart and front door plate
CN202026019U (en) * 2011-03-23 2011-11-02 江苏华冠电器集团有限公司 Secondary interlocking mechanism of switch cabinet

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103928860A (en) * 2014-05-07 2014-07-16 万控集团有限公司 Electric equipment cabinet
CN105610059A (en) * 2016-01-29 2016-05-25 益和电气集团股份有限公司 Locking device of switch cabinet
CN105610059B (en) * 2016-01-29 2018-01-23 益和电气集团股份有限公司 A kind of Lock for switch cabinet locking apparatus
WO2017190301A1 (en) 2016-05-05 2017-11-09 Eaton Industries (Netherlands) Bv Panel for accommodating a draw-out device
US20190165553A1 (en) * 2016-05-05 2019-05-30 Eaton Intelligent Power Limited Panel for accommodating a draw-out device
EP3453041A4 (en) * 2016-05-05 2019-12-04 Eaton Intelligent Power Limited Panel for accommodating a draw-out device
US10651635B2 (en) 2016-05-05 2020-05-12 Eaton Intelligent Power Limited Panel for accommodating a draw-out device
CN108879260A (en) * 2018-08-14 2018-11-23 丁汉强 A kind of mechanical interlocks suitable for different current plug and sockets
CN108879260B (en) * 2018-08-14 2023-08-22 丁汉强 Mechanical interlocking device suitable for plugs and sockets with different currents
CN112134202A (en) * 2020-10-30 2020-12-25 重庆望变电气(集团)股份有限公司 Indoor metal armored movable switch equipment with safety protection switch configuration
CN112350156A (en) * 2020-10-30 2021-02-09 重庆望变电气(集团)股份有限公司 Intelligent box-type substation
CN112614711A (en) * 2020-11-13 2021-04-06 新疆特变电工自控设备有限公司 Interlocking device for secondary plug-in unit of switch cabinet and door panel of circuit breaker room

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