CN202285207U - Locking mechanism of ring network cabinet and ring network cabinet - Google Patents
Locking mechanism of ring network cabinet and ring network cabinet Download PDFInfo
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- CN202285207U CN202285207U CN2011204453267U CN201120445326U CN202285207U CN 202285207 U CN202285207 U CN 202285207U CN 2011204453267 U CN2011204453267 U CN 2011204453267U CN 201120445326 U CN201120445326 U CN 201120445326U CN 202285207 U CN202285207 U CN 202285207U
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- guide rod
- blocking mechanism
- main unit
- ring main
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Abstract
The utility model discloses a locking mechanism of a ring network cabinet and the ring network cabinet. The ring network cabinet comprises a control panel, wherein an operation opening which is used for operating a grounding knife switch is formed on the control panel. The locking mechanism comprises a guide rod and a driver, wherein the guide rod can move between a locking position which blocks the opening and an unlocking position which unblocks the opening; and the driver can respond to a preset state of the ring network cabinet to make the guide rod at the locking position or the unlocking position. By adoption of the locking mechanism, under the condition that a wire incoming side of the ring network cabinet is energized, a wire outgoing side of the ring network cabinet is energized or the wire incoming side and the wire outgoing side are energized, the opening of the grounding knife switch is locked, so that the safety of the ring network cabinet is improved.
Description
Technical field
The utility model relates to a kind of ring main unit, and especially relates to a kind of blocking mechanism of ring main unit, and this blocking mechanism can stop the operation to the ground connection disconnecting link under the charged situation of the inlet wire of ring main unit.
Background technology
For improving power supply reliability, make the user obtain power supply from both direction, usually power supply network is connected into annular.This supply power mode abbreviates ring network power supply as.In distribution systems such as industrial and mining enterprises, residential quarters, harbour and skyscraper, on-load switch or vacuum contactor control are adopted in its high tension loop usually, and are furnished with the high-tension fuse protection.This system adopts ring network power supply usually, use on the high-tension switch cabinet general custom and be called ring main unit.
Ring main unit is divided into metal enclosed individual compartment such as on-load switch chamber (circuit breaker), bus-bar room, cable vault and control instrument chamber usually, and wherein all there is independently pressure release passage on-load switch chamber (circuit breaker), bus-bar room and cable vault.For ring main unit is overhauled, in the ring main unit kind ground connection disconnecting link is set usually, with when maintenance through the operational grounding disconnecting link with ring main unit ground connection, avoid bringing the grade of getting an electric shock to jeopardize the accident of personal safety.But this ground connection disconnecting link must not operated under the inlet wire side has voltage condition, otherwise will cause short circuit, and then causes the accident.Therefore, in the design specification kind of ring main unit, usually require turnover line cabinet to be equipped with to reflect the inlet wire side that no-voltage is arranged and have the charged display unit of self-checking function.When the inlet wire side is charged, should stop the operational grounding disconnecting link, that is, and locking ground connection disconnecting link.
In the ring main unit of prior art, for fear of operational grounding disconnecting link when the inlet wire side is charged, on the cabinet door of ring main unit, add electromagnetic lock usually, so that when the outlet side was charged, electromagnetic lock was in lockup state, stop the cabinet door to be opened thus.But this scenario-frame is complicated, and since the cabinet door by locking, the work outside causing keeping in repair also is difficult to carry out.
The utility model content
The purpose of the utility model is for a kind of simple in structure and ring main unit blocking mechanism that reliability is high is provided.This ring main unit blocking mechanism can have in the inlet wire side of ring main unit under the voltage condition, stops the operation to the ground connection disconnecting link.
An aspect according to the utility model; A kind of blocking mechanism that is used for ring main unit is provided; Wherein, ring main unit comprises control panel, and this control panel is provided with the operation aperture that is used for the operational grounding disconnecting link; Said blocking mechanism comprises: guide rod, and this guide rod is at the locked position of coupler that stops said opening and get out of the way between the unlocked position of said opening removable; And driver, this driver can make said guide rod be in said locked position of coupler or unlocked position in response to the predetermined state of said ring main unit.
Preferably, the predetermined state of said ring main unit be the inlet wire side outlet side charged, said ring main unit of said ring main unit charged or the two.
Through the blocking mechanism of the utility model, can be under inlet wire side, outlet side or the two charged situation of ring main unit, the opening of lock operation ground connection disconnecting link stops the ground connection disconnecting link is operated, and thus, has improved the fail safe of ring main unit.
Specifically; Under said predetermined state, said driver is not worked, and said guide rod relies on own wt or move to said locked position of coupler from the biasing force of biasing device; And when said predetermined state is removed, said drive operation and said guide rod is urged to said unlocked position.
Utilize the blocking mechanism of the utility model, can rely on the self gravitation of guide rod to realize locking, thus, improved the reliability of blocking mechanism, and simplified the structure.
Alternative is, under said predetermined state, and said drive operation and said guide rod is urged to said locked position of coupler, and when said predetermined state is removed, said drive operation and said guide rod is urged to said unlocked position.
Alternative in addition is; Under said predetermined state; Said drive operation and said guide rod is urged to said locked position of coupler, and when said predetermined state is removed, said guide rod rely on own wt or move to said unlocked position from the biasing force of biasing device.
Preferably, said blocking mechanism also comprises support, and said guide rod and said driver are arranged on this support, and said support is installed on the framework of said ring main unit.
Said support can and comprise front side board and back side panel for square tubular, and said driver is installed in the inside of said side's cylindrical stent, and said guide rod is arranged on the said front side board movably.
Said front side board is provided with opening, and said guide rod is for L shaped, and saidly falls L shaped guide rod and comprise transverse arm and vertical arm, and said transverse arm inserts through the opening of said front side board, and engages in said driver.
Said driver can be solenoid, and said solenoid comprises coil and armature, and said armature matches with the transverse arm of said guide rod, to drive said guide rod motion.
As a kind of preferred implementation, said blocking mechanism is installed in the top of said operation aperture.Under said predetermined state; The power supply of said solenoidal coil is interrupted; Said guide rod relies on self gravitation to move to said locked position of coupler, and when said predetermined state was removed, said solenoidal coil was powered; Said armature is upwards promoted by said coil, and then promotes said guide rod to said unlocked position.
Optional is, said coil is connected with power supply through normally closed interlock, and comprises that also the controller that is used to control said normally closed interlock, said controller are formed at that the said normally closed interlock of control makes it to break off under the said predetermined state.
The opening of said front side board is a square opening, and limits the moving range of said guide rod.In addition, an end of said front side board bends and forms kink, in this kink, is formed with slit, and said guide rod is inserted in the said slit, and under the guiding of said slit, moves.
As another kind of guide mechanism; Can be provided with the guide channel that on said guide rod moving direction, extends in the vertical arm of said guide rod; Said front side board is provided with guide member, and said guide member is inserted in the said guide channel, to guide moving of said guide rod.
Optional is, also comprises hand-operating unlocking mechanism according to the blocking mechanism of the utility model.The inner that said hand-operating unlocking mechanism comprises lock core on the guidance panel that is rotatably installed in said ring main unit, be arranged on lock core toggles it to said guide rod with the cam that rotates with lock core, the end that is arranged on cam and along with the rotation of cam the shift fork of unlocked position.The vertical arm of said guide rod is provided with separates locked groove, and said shift fork engages with the said locked groove of separating.
As a kind of optional form, the said locked groove of separating comprises circular arc shaped portion and the vertical part that is connected with an end of circular arc shaped portion.
In addition, can also comprise according to the blocking mechanism of the utility model and be used to survey the unlocked position of said guide rod or the detector of locked position of coupler.To be at blocking mechanism under blocking or the released state, send signal to remote control equipment or control appliance.Preferably, said detector is a position switch.
According to the utility model on the other hand; A kind of ring main unit is provided, has comprised framework, guidance panel, wherein; In said guidance panel, be provided with the operation aperture that is used for the operational grounding plug-in strip; And said ring main unit also comprises above-mentioned blocking mechanism, to be in the said operation aperture of locking under the predetermined state at said ring main unit.
Description of drawings
Above-mentioned various aspects, characteristic, purpose and industry of the utility model and technical significance will be from reference to the accompanying drawings to becoming clearer the utility model detailed description of the preferred embodiment, among the figure:
Fig. 1 illustrates the inner sketch map of ring main unit, and the blocking mechanism according to the utility model preferred implementation is installed in this ring main unit;
Fig. 2 is the perspective view of the ring main unit described in Fig. 1;
Fig. 3 is the cutaway view of the line B-B intercepting in Fig. 1;
Fig. 4 is the zoomed-in view of the part that circle centers among Fig. 3;
Fig. 5 is the perspective view that illustrates according to the blocking mechanism of the utility model preferred implementation;
Fig. 6 A and 6B are the sketch mapes that is illustrated in the blocking mechanism under blocking and the released state;
Fig. 7 illustrates improved blocking mechanism;
Fig. 8 is the perspective view that the guide rod in the blocking mechanism is shown; And
Fig. 9 is the perspective view that is illustrated in the mounting bracket that uses in the improved blocking mechanism shown in Figure 8.
Embodiment
Below, with reference to accompanying drawing 1-7, the blocking mechanism according to the utility model preferred implementation is described.At first, with reference to Fig. 1, Fig. 1 has shown the inner case of the ring main unit that has removed decoration panel.On the front panel 1 of ring main unit; Usually be provided with the operation aperture of key hole shape, show to have three key hole shape openings among Fig. 1, wherein uppermost operation aperture 10 is the openings that are used for the operational grounding disconnecting link; The action bars (not shown) can be inserted in this operation aperture 10; And engage with the operating mechanism (not shown) of operational grounding disconnecting link (not shown), operational grounding disconnecting link thus makes ring main unit ground connection.
As aforementioned, in order to prevent operational grounding disconnecting link under the charged situation of inlet wire side, and then cause accidents such as short circuit, in ring main unit, be provided with blocking mechanism 100.
With reference to Figure 4 and 5, describe blocking mechanism 100 in detail below according to the utility model.
Shown in Figure 4 and 5, blocking mechanism 100 comprises support 110, and this support 110 forms roughly square tubular, to support other part of blocking mechanism 100.The support 110 of side's tubular can form through the metallic plate bending; Perhaps be formed by connecting through the polylith side plate; Like welding, rivet or be threaded etc. and form; For example in Figure 4 and 5, this support 110 is made up of front side board 111, left and right side plate and back side panel, and wherein front side board, left plate and right plate constitute the U-shaped side plate of one.The back side panel of this support for example is fixed on the framework 2 of ring main unit through screw etc., thus fixing entire bracket.But, also can adopt other fastening method, like riveted joint, welding etc.Perhaps, can omit back side panel, but above-mentioned U-shaped side plate is fixed to directly on the framework 2 of ring main unit.
In the space that square cylindrical stent 110 is centered on, be provided with solenoid 120 as the driver of blocking mechanism, as be known in the art, this solenoid 120 can be traditional solenoid, comprises coil 121 and armature 122.Under the situation of coil 121 energisings, armature 122 is upwards promoted by the electromagnetic force that coil 121 is produced.
On the front side board 111 of square cylindrical stent 110, be mounted slidably guide rod 130.Specifically, shown in Figure 4 and 5, front side board 111 is formed with square opening 112 at an upper portion thereof, and the lower edge of front side board 111 bends forward and form kink 113, is formed with the slit (not shown) in this kink 113.Guide rod 130 roughly forms L shaped, is made up of short transverse arm 131 and long vertical arm 132, wherein; The transverse arm 131 of L shaped guide rod 130 is inserted in the square opening 112 of above-mentioned front side board 111; Vertically the width of arm 132 does not wait, and comprises widening part 1321 and bar part 1322, wherein widens part 1321 and will be described later; Bar part 1322 is passed the slit that forms in the said kink 113, and towards extending below.Thus; Be inserted in the square opening of front side board 111 through transverse arm 131 and simultaneously the bar part 1322 of guide rod 130 passed slit guide rod 130; Guide rod 130 can in the vertical direction translation under the guiding of front side board 111; Simultaneously, above-mentioned square opening 112 define guide rod 130 upwards and move down the limit of scope.
Shown in Figure 4 and 5; Said transverse arm 131 passes the square opening of front side board 111 and further extends internally and surpass the position of armature 122; When the armature 122 of solenoid 120 is pushed upwardly owing to coil 121 energisings, armature 122 will upwards promote guide rod 130 thus.
The coil 121 of solenoid 120 is connected with power supply through a normally closed interlock (not shown).This normally closed interlock is in closure state under general case, make coil 121 and power turn-on thus, and coil 121 is powered; And under the charged situation in end of incoming cables; Show that the charged electrification display in end of incoming cables will send a charged signal in expression end of incoming cables to the controller of normally closed interlock; This signal makes controller trigger normally closed interlock and makes it to be in off-state that in this case, the power supply of coil 121 is disconnected.
As shown in the figure, blocking mechanism 100 is installed on the framework 2 of ring main unit, and above operation aperture 10, and blocking mechanism 100 is arranged so that the operation aperture 10 of operational grounding disconnecting link is in the movement locus of guide rod 130.
The operation principle of the blocking mechanism 100 of the utility model is described below.
As stated, under the uncharged situation in end of incoming cables, the normally closed interlock of the coil 121 of solenoid 120 is in closure state; Thus, coil 121 is powered, and the power supply of coil 121 makes armature 122 move up and promotes guide rod 130 and moves up; Thus; Guide rod 130 is abdicated the opening 10 of operational grounding disconnecting link, and in this case, action bars can be inserted into and come the operational grounding disconnecting link in the opening 10.Otherwise under the charged situation in end of incoming cables, electrification display sends the charged signal in expression end of incoming cables to the controller of normally closed interlock, and when receiving this signal, controller makes normally closed interlock break off, and interrupts the power supply to the coil 121 of solenoid 120 thus.Under the interrupted situation of the power supply of coil 121, the forfeiture of the thrust of armature 122, guide rod 130 moves down under the effect of own wt; And the place, lower position of the scope that moves down that the square opening 112 that moves to front side board 111 is set, in this position, the bar part 132 of guide rod is on the rear side of opening 10 of operational grounding disconnecting link; Block opening 10; Stop action bars to pass through this opening 10 thus and insert, like this, stoped operation the ground connection plug-in strip.
Thus, according to the utility model, a kind of blocking mechanism simple in structure is provided, this blocking mechanism stops action bars to the ground connection switch operation under the charged situation in end of incoming cables.Although superincumbent description can find out that solenoid 120 actions come the above-mentioned blocking mechanism of release, and the locking of the opening 10 of ground connection disconnecting link is to realize through the own wt of guide rod, can improve the reliability of locking like this.But the utility model is not limited thereto, and also can adopt such structure, that is: guide rod 130 is biased in unlocked position under the effect of spring etc., and solenoid 120 actions press down guide rod 130 and make it to be in the locked position of coupler that stops opening 10.
In addition, except solenoid 120, can also adopt other driver to realize identical functions.For example can adopt the driver of screw-and-nut form, in the end of incoming cables when charged,, make that thus the guide rod that is connected with screw rod moves downward locked position of coupler through the rotating nut in one direction of motor for example; And in the end of incoming cables when not charged, rotating nut makes guide rod move upward to unlocked position through screw rod thus in the opposite direction, and gets out of the way the opening of operational grounding disconnecting link.Perhaps the angle of thread of screw rod and nut can be arranged to screw rod and can move upward through the rotation of nut, but when nut loses revolving force, and by means of the weight of screw rod (and the guide rod that links to each other), nut can reverse rotation and allow screw rod to descend.Perhaps, also can adopt the driver of forms such as cam.
As shown in the figure, according to also being provided with hand-operating unlocking mechanism in the blocking mechanism of the utility model, so that at the needs emergency release, the operational grounding cutter, perhaps mechanism-trouble needs repairing, and uses the manual unlocking release mechanism to come release.
Shown in Figure 4 and 5; Hand-operating unlocking mechanism 140 comprises lock core 141; This lock core 141 be installed on the framework 2 of ring main unit or with plate that framework 2 is connected on; And make the lockhole 142 of lock core 141 expose, and for example lockhole 142 is the odd-shaped cross section hole, make have only match key with lockhole 142 could rotational lock core 141.The inner of lock core is provided with cam 143, and the jag of this cam 143 is provided with the shift fork 144 of pin form.As stated, the vertical arm 132 of guide rod 130 is provided with that width strengthens widens part 1321.In this widens part 1321, be formed with through technologies such as line cuttings and separate locked groove 1323 (referring to Fig. 8), this is separated locked groove 1323 and comprises circular arc shaped portion and the vertical part that is connected with an end of circular arc shaped portion.Shift fork 144 on the above-mentioned cam 143 is inserted into this and separates in the locked groove 1323, and along with cam 143 is rotated by lock core, and shift fork 144 slides in separating locked groove 1323, and then promote guide rod 130.
With reference to Fig. 6 A and 6B, wherein, Fig. 6 A and 6B show the blocking mechanism 100 that is in locked position of coupler and unlocked position respectively.Shown in Fig. 6 A, this moment, blocking mechanism 100 was in locked position of coupler, and the bar part of guide rod 130 stops opening 10 (not shown) to extending below.This moment, the shift fork 144 of cam 143 roughly was in the circular arc shaped portion 1324 of separating locked groove 1323 and the vertical connection of part 1325; Along with the counter clockwise direction of lock core in Fig. 6 A and 6B rotated; Cam 143 is rotated along counter clockwise direction, and shift fork 133 slides in the circular arc shaped portion of separating locked groove 1,323 1324, and drive guide rod 130 moves up; Thus the bar part 131 of guide rod is shifted out the position of opening 10, make blocking mechanism be in released state.
Shown in Fig. 6 A and 6B; Above a side plate of support 110; Can also be provided for surveying the detector of the position of said guide rod, this detector for example can be position switch 160, so that when guide rod 130 is mentioned by solenoid 120; The transverse arm 131 of this guide rod 130 can touch this position switch 160, sends the signal that expression guide rod 130 is in the unlocked position to remote control or other control device thus.Alternative is, also can detector be set below side plate, surveys guide rod 130 and is in locked position of coupler.
Below, with reference to accompanying drawing 7-9, the improvement to the blocking mechanism of above-mentioned execution mode is described.In this improves, only be guide rod 130 with front side board 111 and above-mentioned execution mode in different, other part is substantially the same, therefore, has omitted the description to same section.
Of Fig. 8, in improved blocking mechanism, guide rod 130 also is formed with guide channel 1326 in the above and below of separating locked groove 1323 of widening part 1321.And, as shown in Figure 9, form porose 1111 in the corresponding position of front side board 111; Screwed hole for example; In this screwed hole 1111, can be fastened with guide bolt 1112, and, as shown in Figure 7; This guide bolt 1112 is inserted in the guide channel 1326 of guide rod 130, guides moving up and down of guide rod 130.
In addition, as shown in Figure 9, on the downside of front side board 111, the slit 1131 in the bending part 113 can be incomplete, like this, and can be so that the bar of guide rod 130 partly be easily inserted in this slit.
Although describe the utility model in detail with reference to the preferred implementation of the utility model above, it is to be noted that the utility model is not limited to the execution mode of foregoing description, but can make various modifications, substitute and make up.In the superincumbent embodiment; Describe with the charged locking ground connection of inlet wire side disconnecting link; But the blocking mechanism of the utility model also can be designed to locking ground connection disconnecting link when the outlet side is charged; Perhaps be designed to monitor inlet wire side and outlet side the two, this can come to realize easily through changing the solenoidal mode of connection.In addition, in the superincumbent description, guide rod relies on the gravity of self and moves to locked position of coupler; But alternative is biasing device to be set, like biasing spring; And make guide rod on the direction of locked position of coupler, receive bias voltage, thus, can improve the reliability of blocking mechanism.In addition; In the superincumbent description, blocking mechanism is arranged on the top of the opening of operational grounding disconnecting link, and is perhaps horizontal but blocking mechanism also can be arranged on the below of ground connection disconnecting link; In this case; Biasing device can be set towards locked position of coupler or unlocked position bias voltage guide rod, and solenoid is can be in response to the end of incoming cables charged or not charged and at vertical direction or moving leader transversely, make it to be in locked position of coupler or unlocked position.Therefore, the protection range of the utility model should be contained all modification and the improvement that instruction those skilled in the art of being based on this can make, and this protection range is only limited appending claims and equivalent thereof.
Claims (24)
1. blocking mechanism that is used for ring main unit, this ring main unit comprises control panel, this control panel is provided with the operation aperture that is used for the operational grounding disconnecting link, it is characterized in that:
Said blocking mechanism comprises:
Guide rod, this guide rod is at the locked position of coupler that stops said opening and get out of the way between the unlocked position of said opening removable; And
Driver, this driver can make said guide rod be in said locked position of coupler or unlocked position in response to the predetermined state of said ring main unit.
2. blocking mechanism as claimed in claim 1 is characterized in that, the predetermined state of said ring main unit is that the inlet wire side of said ring main unit is charged, the outlet side of said ring main unit is charged or the two.
3. blocking mechanism as claimed in claim 2; It is characterized in that; Under said predetermined state, said driver is not worked, and said guide rod relies on own wt or move to said locked position of coupler from the biasing force of biasing device; And when said predetermined state is removed, said drive operation and said guide rod is urged to said unlocked position.
4. blocking mechanism as claimed in claim 2; It is characterized in that, under said predetermined state, said drive operation and said guide rod is urged to said locked position of coupler; And when said predetermined state is removed, said drive operation and said guide rod is urged to said unlocked position.
5. blocking mechanism as claimed in claim 2; It is characterized in that; Under said predetermined state; Said drive operation and said guide rod is urged to said locked position of coupler, and when said predetermined state is removed, said guide rod rely on own wt or move to said unlocked position from the biasing force of biasing device.
6. like each described blocking mechanism among the claim 1-5, it is characterized in that said blocking mechanism also comprises support, said guide rod and said driver are arranged on this support, and said support is installed on the framework of said ring main unit.
7. blocking mechanism as claimed in claim 6; It is characterized in that; Said support comprises front side board, left plate and the right plate that constitutes the U-shaped side plate, and said driver is installed in the space that said U-shaped side plate centers on, and said guide rod is arranged on the said front side board movably.
8. blocking mechanism as claimed in claim 7 is characterized in that said front side board is provided with opening at an upper portion thereof; Said guide rod is for L shaped; And saidly fall L shaped guide rod and comprise transverse arm and vertical arm, said transverse arm inserts through the opening of said front side board, and engages in said driver.
9. blocking mechanism as claimed in claim 8 is characterized in that, said driver is a solenoid, and said solenoid comprises coil and armature, and said armature matches with the transverse arm of said guide rod, to drive said guide rod motion.
10. blocking mechanism as claimed in claim 9 is characterized in that said blocking mechanism is installed in the top of said operation aperture.
11. blocking mechanism as claimed in claim 10 is characterized in that, under said predetermined state; The power supply of said solenoidal coil is interrupted; Said guide rod relies on self gravitation to move to said locked position of coupler, and when said predetermined state was removed, said solenoidal coil was powered; Said armature is upwards promoted by said coil, and then promotes said guide rod to said unlocked position.
12. blocking mechanism as claimed in claim 11; It is characterized in that; Said coil is connected with power supply through normally closed interlock, and comprises that also the controller that is used to control said normally closed interlock, said controller are formed under the said predetermined state the said normally closed interlock of control and make it to break off.
13. blocking mechanism as claimed in claim 8 is characterized in that, the opening of said front side board is a square opening, and limits the moving range of said guide rod.
14. blocking mechanism as claimed in claim 8 is characterized in that, an end of said front side board bends and forms kink, in this kink, is formed with slit, and said guide rod is inserted in the said slit, and under the guiding of said slit, moves.
15. blocking mechanism as claimed in claim 8; It is characterized in that be provided with the guide channel that on said guide rod moving direction, extends in the vertical arm of said guide rod, said front side board is provided with guide member; Said guide member is inserted in the said guide channel, to guide moving of said guide rod.
16. blocking mechanism as claimed in claim 7 is characterized in that, said front side board, left plate and right plate are formed by a metallic plate bending.
17. like each described blocking mechanism among the claim 1-5, it is characterized in that, also comprise hand-operating unlocking mechanism.
18. blocking mechanism as claimed in claim 17; It is characterized in that the inner that said hand-operating unlocking mechanism comprises lock core on the guidance panel that is rotatably installed in said ring main unit, be arranged on lock core toggles it to said guide rod with the cam that rotates with lock core, the end that is arranged on cam and along with the rotation of cam the shift fork of unlocked position.
19. blocking mechanism as claimed in claim 18 is characterized in that, the vertical arm of said guide rod is provided with separates locked groove, and said shift fork engages with the said locked groove of separating.
20. blocking mechanism as claimed in claim 19 is characterized in that, the said locked groove of separating comprises circular arc shaped portion and the vertical part that is connected with an end of circular arc shaped portion.
21. like each described blocking mechanism in the claim 1 to 5, it is characterized in that, also comprise being used to survey the unlocked position of said guide rod or the detector of locked position of coupler.
22. blocking mechanism as claimed in claim 21 is characterized in that, said detector is a position switch.
23., it is characterized in that said driver is any in screw-and-nut, cam, the turbine-worm screw like each described blocking mechanism in the claim 1 to 5.
24. ring main unit; Comprise framework, guidance panel; Wherein, in said guidance panel, be provided with the operation aperture that is used for the operational grounding plug-in strip, it is characterized in that; Said ring main unit also comprises like each described blocking mechanism in the claim 1 to 23, to be in the said operation aperture of locking under the predetermined state at said ring main unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204453267U CN202285207U (en) | 2011-11-11 | 2011-11-11 | Locking mechanism of ring network cabinet and ring network cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204453267U CN202285207U (en) | 2011-11-11 | 2011-11-11 | Locking mechanism of ring network cabinet and ring network cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202285207U true CN202285207U (en) | 2012-06-27 |
Family
ID=46296722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204453267U Withdrawn - After Issue CN202285207U (en) | 2011-11-11 | 2011-11-11 | Locking mechanism of ring network cabinet and ring network cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202285207U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103107037A (en) * | 2011-11-11 | 2013-05-15 | 施耐德电器工业公司 | Shutting mechanism for looped network cabinet and looped network cabinet |
| CN103956282A (en) * | 2014-04-02 | 2014-07-30 | 常熟永明电气有限公司 | FN12 load switch ring main unit mechanical interlock provided with turn-row cabinet |
| CN105719863A (en) * | 2016-04-22 | 2016-06-29 | 纳图（常州）电气股份有限公司 | Measuring cabinet and circuit breaker cabinet double interlocking device |
-
2011
- 2011-11-11 CN CN2011204453267U patent/CN202285207U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103107037A (en) * | 2011-11-11 | 2013-05-15 | 施耐德电器工业公司 | Shutting mechanism for looped network cabinet and looped network cabinet |
| CN103107037B (en) * | 2011-11-11 | 2016-06-08 | 施耐德电器工业公司 | The blocking mechanism of looped network cabinet and looped network cabinet |
| CN103956282A (en) * | 2014-04-02 | 2014-07-30 | 常熟永明电气有限公司 | FN12 load switch ring main unit mechanical interlock provided with turn-row cabinet |
| CN105719863A (en) * | 2016-04-22 | 2016-06-29 | 纳图（常州）电气股份有限公司 | Measuring cabinet and circuit breaker cabinet double interlocking device |
| CN105719863B (en) * | 2016-04-22 | 2018-02-02 | 纳图（常州）电气股份有限公司 | Metering cabinet and breaker cabinet double interlocking device |
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