CN201623392U - Bypass short-circuit device of functional unit of distribution system - Google Patents
Bypass short-circuit device of functional unit of distribution system Download PDFInfo
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- CN201623392U CN201623392U CN201020049790XU CN201020049790U CN201623392U CN 201623392 U CN201623392 U CN 201623392U CN 201020049790X U CN201020049790X U CN 201020049790XU CN 201020049790 U CN201020049790 U CN 201020049790U CN 201623392 U CN201623392 U CN 201623392U
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- tooth bar
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Abstract
The utility model relates to a bypass short-circuit device of a functional unit of a distribution system. The utility model is characterized in that the bypass short-circuit device comprises a connection rod, an operational shaft and a convex block; a first rack is arranged at one end of the connection rod, and a short-circuit sheet is arranged at the other end; a first gear engaged with the first rack is arranged at one end of the operational shaft, and a second gear engaged with a second rack and a baffle block capable of realizing the rotary locking of the operational shaft are arranged at the other end; the convex block is arranged on the outer wall of a drawer; under a state that a dynamic plugin and a static plugin are normally plugged, the baffle block is pushed to shift by the convex block, and then, the locking for the operational shaft is removed; under a state that the dynamic plugin and the static plugin are completely separated, the baffle block returns under the restoring force function of an elastic piece, the baffle block is butted against the end part of the second rack to realize the rotary locking of the operational shaft. Compared with the prior art, by the matching between the convex block and the baffle block, the locking for a short-circuit state of the functional unit under a maintaining state can be realized to avoid error operation and ensure maintaining safety and the reliability of the work of the distribution system.
Description
Technical field
The utility model relates to a kind of safety means of distribution system, particularly relates to the bypass short-circuit device of functional unit (hereinafter to be referred as functional unit) when out of service in a certain loop in a kind of distribution system.
Background technology
In distribution system; can occur one or several functional unit once in a while breaks down; traditional way is earlier with after the whole system outage; again the functional unit that breaks down is changed or keeped in repair; this mode of operation regular meeting has influence on the operate as normal of other functional units; cause large-scale line fault, also can increase maintenance cost widely.
In order to break down in the discrete function unit; other functional unit can also be worked on; do not influence the operation of whole system; should be as soon as possible the functional unit of fault is withdrawed from and under non-stop-machine situation, faulty line be carried out online replacing; this just needs a kind of bypass circuit of design, makes to guarantee that when the functional unit that breaks down withdraws from All other routes are in conducting state all the time and continue operate as normal.
The bypass circuit that uses in the domestic distribution system does not generally have the physics bypass mechanism, can't realize the online replacing of fault functional unit, can only could change trouble unit after shutting down, and influences the operation of system.It is the power unit bypass machine that the Chinese utility model patent " power unit bypass machine of high-voltage frequency conversion and speed-adjusting device " of ZL200720070735.7 relates to a kind of high-voltage frequency conversion and speed-adjusting device that the patent No. is arranged in the prior art, comprise each the intelligent power unit inverter that is connected in parallel on high-voltage frequency conversion and speed-adjusting device, the mechanically operated plug-in strip of thyristor module that ac bus output two ends are other and one mechanism is characterized in that: be provided with the absorption circuit that absorbs dv/dt between an other thyristor module of each intelligent power unit inverter and ac bus output two ends.Though the bypass mechanism of this patent can make the intelligent power unit of fault can online replacing in circuit; but the structure relative complex of this bypass mechanism; and; the bypass mechanism of this patent does not have latch-up structure; misoperation takes place easily; such as making at maintenance personal's operating operation handle under the fixing closed mouthful of closed state of plug-in strip and plug-in strip; this moment, the intelligent power unit was the bypass short circuit; the maintenance personal can change the spare part of intelligent power unit under non-stop-machine situation; but; owing to do not set the corresponding interlocking device between the closed fixing port of plug-in strip and plug-in strip; can't guarantee that operating grip is in the short circuit state all the time, if having the people because of carelessness operating grip to be resetted this moment, then the circuit of functional unit can reclose; not only can damage whole power distribution system equipment, also can threaten maintenance personal's life security.Therefore, the bypass mechanism of above-mentioned patent lacks anti mis-closedown function, can't guarantee bypass mechanism fail safe and reliability in use.
Summary of the invention
Technical problem to be solved in the utility model is that a kind of bypass short-circuit device with anti mis-closedown function, reliable in action and distribution system functional unit simple in structure is provided at above-mentioned prior art present situation.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: the bypass short-circuit device of this distribution system functional unit, wherein, this distribution system has a plurality of functional units that are arranged in the power distribution cabinet, each described functional unit include the moving plug-in unit on the drawer that is arranged on described power distribution cabinet and be fixed on the cabinet of described power distribution cabinet and can with the described moving plug-in unit quiet plug-in unit of inserting mutually, described moving plug-in unit and quiet plug-in unit have the binding post that can be electrically connected with external circuits respectively, and it is characterized in that: described bypass short-circuit device includes
Connecting rod, binding post that can described relatively quiet plug-in unit laterally moves, and an end of described connecting rod is first tooth bar, and the other end of this connecting rod is provided with the short circuit sheet, realizes the bypass short circuit by this short circuit sheet between adjacent two binding posts of described quiet plug-in unit; And
Operating axis, be arranged on a side of described drawer rotationally, one end of described operating axis is provided with first gear that is meshed with first tooth bar of described connecting rod one end, the other end of described operating axis is provided with second gear that can be meshed with second tooth bar, this operating axis also is provided with the block that can realize the twist-lock of this operating axis at the other end, described block is provided with an elastic component, and described elastic component makes this block have the end that is resisted against described second tooth bar all the time and limits the trend that resets that this second tooth bar laterally moves;
Projection is arranged on the outer wall of described drawer one side, is used to remove the locking of described block to described operating axis;
And under the state of the moving plug-in unit of described functional unit and the normal inserting of quiet plug-in unit, described block is subjected to the passing of described projection and is offset, and described block is removed the locking to described operating axis; Under the moving plug-in unit of described functional unit and state that quiet plug-in unit separates fully, described block resets under the restoring force effect of described elastic component, and described block is resisted against the end of described second tooth bar and realizes twist-lock to described operating axis.
For easy to operate, and guarantee the conducting of circuit when being implemented in the functional unit operate as normal, and can be with the binding post realization short circuit of output when changing or keep in repair functional unit, as preferably, the other end of described connecting rod vertically offers through hole, the two ends of this through hole are connected with a described short circuit sheet respectively, wherein, one end of described short circuit sheet offers first aperture of an energy and the alignment of described through hole, fixedly connected by first bearing pin that passes this first aperture and through hole between described connecting rod and the described short circuit sheet, the other end of described short circuit sheet offers second aperture, two described short circuit sheets link to each other at second bearing pin of described second aperture of the other end by passing mutual alignment, two described short circuit sheets, form a slotted eye between described first bearing pin and second bearing pin, be formed with first card division that can offset near in the described slotted eye of the described first bearing pin position with the binding post of described quiet plug-in unit, near being formed with second card division that can offset with the binding post of described quiet plug-in unit outside the described slotted eye of the described second bearing pin position, the distance between described first card division and second card division equates with distance between the adjacent line terminals of described quiet plug-in unit.
In order to save material, and the motion of spacing better second tooth bar, as further preferred, described block includes and is arranged in parallel and the cross section is two side plates of C type, wherein being connected with the cross section perpendicular crosspiece of difference of described two side plates by one between the end of described two side plates, be provided with described elastic component between the other end of described two side plates, and the end of described second tooth bar and described crosspiece offset and are limited on the described block.
In order to support and guarantee the rectilinear motion of second tooth bar, also be provided with a supporting bracket between described second tooth bar and the described block, the top margin of this supporting bracket has the flanging of vertical bending forming in the same way respectively with the base, the flanging of the bottom of described second tooth bar and this supporting bracket bottom offsets, and a side of described supporting bracket also has the connecting portion between the other end that can link to each other and be arranged on described two side plates with described elastic component.
As preferably, described elastic component includes rotating shaft and torsion spring, the other end of described side plate offers the aperture that can supply described rotating shaft to pass, offer the circular hole that can align with described aperture and supply described rotating shaft to pass on the described connecting portion, described rotating shaft is passed described aperture and is realized being connected of described supporting bracket and side plate with circular hole, and described torsion spring is separately positioned on described rotating shaft and stretches out in two ends outside the described side plate.So elastic component not only can play the effect of elastic reset, also play the fixed support plate effect.
Compared with prior art, advantage of the present utility model is: the bypass short-circuit device has adopted latch-up structure, when the distribution system operate as normal, projection is pushed block open and is removed locking to the bypass short-circuit device, make and win between the tooth bar and first gear and can normal engaged between second gear and second tooth bar, at this moment, but short circuit sheet free movement and break away from the binding post of quiet plug-in unit, normal inserting is connected the circuit turn-on of functional unit to quiet plug-in unit with moving plug-in unit; When functional unit breaks down, at moving plug-in unit and quiet plug-in unit promotion short circuit sheet and the adjacent line terminals of quiet plug-in unit is carried out short circuit be connected before separating fully, at moving plug-in unit with after quiet plug-in unit separates fully, projection leaves block, second tooth bar is locked under the effect of block, can't mesh between second gear and second tooth bar, also can't mesh between first gear and first tooth bar, at this moment, the locking of short circuit sheet state, the quiet plug-in unit binding post of the functional unit that assurance is broken down is in the short circuit state all the time.
The utility model is by the cooperation between projection and the block, can realize the locking of the short circuit sheet state of functional unit under service mode, avoid misoperation and cause between the binding post of quiet plug-in unit forming current circuit again, the fail safe of maintenance and the reliability of distribution system work have been guaranteed, because projection can be set directly on the drawer outer wall, simple in structure, cost is low, and first gear and second gear be arranged on the same operating axis, the action synchronism is good, guarantee the synchronism of motion of short circuit sheet and locking mechanism, further improve the processing safety and the reliability of distribution system.
Description of drawings
Fig. 1 is the three-dimensional exploded view of the utility model embodiment.
One of structural representation that Fig. 2 is in the lock state for shunting device of the present utility model.
Fig. 3 is an I portion partial enlarged drawing shown in Figure 2.
Two of the structural representation that Fig. 4 is in the lock state for shunting device of the present utility model.
Fig. 5 is an II portion partial enlarged drawing shown in Figure 4.
Fig. 6 is in one of structural representation of released state for shunting device of the present utility model.
Fig. 7 is the partial enlarged drawing of III shown in Figure 6 portion.
Fig. 8 for shunting device of the present utility model be in released state structural representation two.
Fig. 9 is the partial enlarged drawing of IV portion shown in Figure 8.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
As Fig. 1～shown in Figure 9, be specific embodiment of the utility model, the bypass short-circuit device of present embodiment is used for the functional unit of distribution system power distribution cabinet, distribution system has a plurality of functional units that compress in the cabinet that are arranged on usually, each functional unit include the moving plug-in unit (not shown) on the drawer that is arranged on power distribution cabinet and be fixed on the cabinet of power distribution cabinet and can with the moving plug-in unit quiet plug-in unit of inserting (usually as output) mutually, moving plug-in unit and quiet plug-in unit have the binding post that can be electrically connected with external circuits respectively, when functional unit breaks down, the binding post of the quiet plug-in unit of output can be carried out short circuit connects, under the state of the operate as normal that does not influence the distribution system All other routes, can realize online replacing to trouble unit.
Fig. 1 is the three-dimensional exploded view of the bypass short-circuit device of present embodiment, this bypass short-circuit device include can quiet relatively plug-in unit 9 the connecting rod 1 that laterally moves of binding post 91, take shape in first tooth bar 11 of connecting rod 1 one ends, rotationally be arranged on drawer 9 ' one sides operating axis 2, be arranged on operating axis 2 one ends first gear 21, be arranged on second gear 22, second tooth bar 3 of operating axis 2 other ends and be arranged on projection 91 on drawer 9 ' one side outer walls ';
Wherein, one end of connecting rod 1 is one-body molded described first tooth bar 11, the other end of connecting rod 1 vertically offers through hole 12, the two ends of through hole 12 are connected with a rectangle short circuit sheet 4 respectively, the two ends of two short circuit sheets 4 form the recess 41 of U-shaped respectively, be arranged in parallel between two short circuit sheets 4 and the jut of U type recess 41 is established relatively, each the short circuit sheet 4 wherein end of an end recess also is outward extended with a flank 42, offer first aperture 421 of energy and through hole alignment on this flank 42, fixedly connected by first bearing pin 51 that passes this first aperture 421 and through hole 12 between connecting rod 1 and the short circuit sheet 4, the other end of each short circuit sheet 4 offers 43, two short circuit sheets 4 of second aperture and links to each other at second bearing pin 52 of second aperture 43 of the other end by passing mutual alignment in the position of departing from recess; And, two short circuit sheets 4, form a slotted eye between first bearing pin 51 and second bearing pin 52, owing to the jut of the U-shaped recess of two short circuit sheets 4 is established relatively, so, two short circuit sheets 4 are near being formed with first card division that can directly conflict with the binding post of quiet plug-in unit 9 in the slotted eye of first bearing pin, 51 positions, two short circuit sheets are near being formed with second card division that can directly conflict with the binding post of quiet plug-in unit 9 outside the slotted eye of the second bearing pin position, distance between first card division and second card division equates with distance between the adjacent line terminals of quiet plug-in unit, in order to guarantee that first card division and second card division have certain resilient clamp power, also are respectively arranged with spring 53 at the top of first bearing pin 51 and second bearing pin 52.
In order to realize the rectilinear motion of second tooth bar 3, also be provided with a supporting bracket 7 between second tooth bar 3 and the block 6, the top margin of this supporting bracket 7 has the flanging 72 of vertical bending forming in the same way respectively with the base, the flanging of the bottom of second tooth bar 3 and this supporting bracket bottom offsets, and a side of supporting bracket 7 also has the connecting portion 71 between the other end that can link to each other and be arranged on two side plates 61 with elastic component;
Elastic component includes rotating shaft 81 and torsion spring 82, side plate 61 other ends of block 6 offer the aperture 611 that can supply rotating shaft 81 to pass, offer the circular hole 711 that can align with aperture 611 and supply rotating shaft 81 to pass on the connecting portion 71 of supporting bracket 7, rotating shaft 81 is passed aperture 611 and is realized being connected of supporting bracket 7 and baffle plate 6 with circular hole 711, and torsion spring 82 is separately positioned on rotating shaft 81 and stretches out in two ends outside the side plate 61.
Be arranged on projection 91 on drawer 9 ' outside ' be used to the remove locking of 6 pairs of operating axis 2 of block, under the state of the moving plug-in unit of functional unit and the normal inserting of quiet plug-in unit, block 6 be subjected to projection 91 ' passing and be offset the locking that block 6 is removed operating axis 2; Under the moving plug-in unit of functional unit and state that quiet plug-in unit separates fully, block 6 resets under the restoring force effect of elastic component, and block 6 is resisted against the end of second tooth bar 3 and realizes twist-lock to operating axis 2.
The operation principle of present embodiment is:
As Fig. 2～shown in Figure 5, be the functional unit of the present embodiment structural representation when the operate as normal, at this moment, moving plug-in unit realizes that with quiet plug-in unit normal inserting is connected, drawer is in the state that pushes fully, is arranged on that projection 91 on drawer 9 ' outer wall ' with block 6 is pushed open and the locking of removing 6 pairs second tooth bars 3 of block;
So, rotating operation axle 2, make first tooth bar 11 of win gear 21 and connecting rod 1 one ends mesh rotation, connecting rod 1 laterally moves towards the direction away from quiet plug-in unit 9 under the effect of first gear 21, leave the binding post 91 of quiet plug-in unit 9 near second card division of second bearing pin 52 until two short circuit sheets 4, at this moment, second gear 22 and second tooth bar 3 are also realized the engagement rotation, second tooth bar 3 is to the direction motion near drawer 9 ' outer wall, when drawer 9 ' push puts in place, the end of second tooth bar 3 is to abut on drawer 9 ' outer wall, the side of second tooth bar 3 be with projection 91 ' the side offset drawer 9 ' be subjected to stopping of second tooth bar 3 and can't pulling out.
As Fig. 6～shown in Figure 9, the structural representation of functional unit when breaking down for present embodiment, at this moment, needing to move plug-in unit separates with quiet plug-in unit, drawer is in complete exit status, before drawer is released, need first counter-rotation operating axis 2, make second tooth bar 3 to direction motion away from drawer 9 ' outer wall, simultaneously, first tooth bar 11 also moves laterally towards the direction near quiet plug-in unit 9 with 21 engagements of first gear and drive link 1, be resisted against on quiet plug-in unit 9 binding posts 91 until first card division of two short circuit sheets 4 near first bearing pin 51, second card division of two short circuit sheet 4 close second bearing pins 52 is resisted against on the adjacent line terminals 91 of quiet plug-in unit 9, thereby realizes the bypass short circuit between the quiet plug-in unit 9 adjacent line terminals;
At this moment, drawer 9 ' sidewall is left in the end of second tooth bar 3, and projection 91 ' can pass the neutral that forms between second tooth bar 3 and the drawer 9 ' sidewall, so, when drawer 9 ' when withdrawing from fully, projection 91 ' leave block 6, block 6 resets under the effect of elastic-restoring force, the crosspiece 62 of block 6 is resisted against the end of second tooth bar 3 again, second tooth bar 3 is locked and can't move, operating axis 2 correspondingly can not rotate, therefore, the short circuit state of two short circuit sheets 4 is also locked, when guaranteeing online replacing of operating personnel or maintenance (when drawer withdraws from fully), quiet plug-in unit 9 adjacent two binding posts 91 can remain the bypass short circuit by short circuit sheet 4, prevent misoperation and cause and get an electric shock or the fault of All other routes.When the fault of functional unit get rid of and drawer 9 ' after being pushed fully once more, projection 91 ' can push block 6 open and remove locking to second tooth bar 3, at this moment, rotating operation axle 2 and cancellation are to the bypass short circuit of quiet plug-in unit binding post once more.
The bypass short-circuit device of present embodiment can be realized short circuit and lock function during by a rotating operation simultaneously, can prevent misoperation effectively and influences whole system;
The bypass short-circuit device of present embodiment is simple in structure, easy to operate, and reliable in action, and functional unit is when off-position, second tooth bar is stoped mobile by block, thereby pin the short circuit sheet, the bypass short circuit can arbitrarily not removed, the maintenance of assurance function unit is safer reliable.
Claims (5)
1. the bypass short-circuit device of a distribution system functional unit, wherein, this distribution system has a plurality of functional units that are arranged in the power distribution cabinet, each described functional unit include the moving plug-in unit on the drawer that is arranged on described power distribution cabinet and be fixed on the cabinet of described power distribution cabinet and can with the described moving plug-in unit quiet plug-in unit of inserting mutually, described moving plug-in unit and quiet plug-in unit have the binding post that can be electrically connected with external circuits respectively, and it is characterized in that: described bypass short-circuit device includes
Connecting rod, binding post that can described relatively quiet plug-in unit laterally moves, and an end of described connecting rod is first tooth bar, and the other end of this connecting rod is provided with the short circuit sheet, realizes the bypass short circuit by this short circuit sheet between adjacent two binding posts of described quiet plug-in unit; And
Operating axis, be arranged on a side of described drawer rotationally, one end of described operating axis is provided with first gear that is meshed with first tooth bar of described connecting rod one end, the other end of described operating axis is provided with second gear that can be meshed with second tooth bar, this operating axis also is provided with the block that can realize the twist-lock of this operating axis at the other end, described block is provided with an elastic component, and described elastic component makes this block have the end that is resisted against described second tooth bar all the time and limits the trend that resets that this second tooth bar laterally moves;
Projection is arranged on the outer wall of described drawer one side, is used to remove the locking of described block to described operating axis;
And under the state of the moving plug-in unit of described functional unit and the normal inserting of quiet plug-in unit, described block is subjected to the passing of described projection and is offset, and described block is removed the locking to described operating axis; Under the moving plug-in unit of described functional unit and state that quiet plug-in unit separates fully, described block resets under the restoring force effect of described elastic component, and described block is resisted against the end of described second tooth bar and realizes twist-lock to described operating axis.
2. the bypass short-circuit device of distribution system functional unit according to claim 1, it is characterized in that: the other end of described connecting rod vertically offers through hole, the two ends of this through hole are connected with a described short circuit sheet respectively, wherein, one end of described short circuit sheet offers first aperture of an energy and the alignment of described through hole, fixedly connected by first bearing pin that passes this first aperture and through hole between described connecting rod and the described short circuit sheet, the other end of described short circuit sheet offers second aperture, two described short circuit sheets link to each other at second bearing pin of described second aperture of the other end by passing mutual alignment, two described short circuit sheets, form a slotted eye between described first bearing pin and second bearing pin, be formed with first card division that can offset near in the described slotted eye of the described first bearing pin position with the binding post of described quiet plug-in unit, near being formed with second card division that can offset with the binding post of described quiet plug-in unit outside the described slotted eye of the described second bearing pin position, the distance between described first card division and second card division equates with distance between the adjacent line terminals of described quiet plug-in unit.
3. the bypass short-circuit device of distribution system functional unit according to claim 1, it is characterized in that: described block includes and is arranged in parallel and the cross section is two side plates of C type, wherein being connected with the cross section perpendicular crosspiece of difference of described two side plates by one between the end of described two side plates, be provided with described elastic component between the other end of described two side plates, and the end of described second tooth bar and described crosspiece offset and are limited on the described block.
4. the bypass short-circuit device of distribution system functional unit according to claim 3, it is characterized in that: also be provided with a supporting bracket between described second tooth bar and the described block, the top margin of this supporting bracket has the flanging of vertical bending forming in the same way respectively with the base, the flanging of the bottom of described second tooth bar and this supporting bracket bottom offsets, and a side of described supporting bracket also has the connecting portion between the other end that can link to each other and be arranged on described two side plates with described elastic component.
5. the bypass short-circuit device of distribution system functional unit according to claim 4, it is characterized in that: described elastic component includes rotating shaft and torsion spring, the other end of described side plate offers the aperture that can supply described rotating shaft to pass, offer the circular hole that can align with described aperture and supply described rotating shaft to pass on the described connecting portion, described rotating shaft is passed described aperture and is realized being connected of described supporting bracket and side plate with circular hole, and described torsion spring is separately positioned on described rotating shaft and stretches out in two ends outside the described side plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020049790XU CN201623392U (en) | 2010-01-12 | 2010-01-12 | Bypass short-circuit device of functional unit of distribution system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020049790XU CN201623392U (en) | 2010-01-12 | 2010-01-12 | Bypass short-circuit device of functional unit of distribution system |
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| Publication Number | Publication Date |
|---|---|
| CN201623392U true CN201623392U (en) | 2010-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020049790XU Expired - Fee Related CN201623392U (en) | 2010-01-12 | 2010-01-12 | Bypass short-circuit device of functional unit of distribution system |
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| CN (1) | CN201623392U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427265A (en) * | 2013-08-01 | 2013-12-04 | 四川华丰企业集团有限公司 | Shorting structure between multi-channel high-voltage cables |
| CN104396096A (en) * | 2012-07-03 | 2015-03-04 | 矢崎总业株式会社 | Connector and connection terminal |
| CN112072618A (en) * | 2020-08-03 | 2020-12-11 | 广东电网有限责任公司 | Main transformer CT secondary current linkage switching terminal with single bus provided with bypass |
-
2010
- 2010-01-12 CN CN201020049790XU patent/CN201623392U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104396096A (en) * | 2012-07-03 | 2015-03-04 | 矢崎总业株式会社 | Connector and connection terminal |
| US9337557B2 (en) | 2012-07-03 | 2016-05-10 | Yazaki Corporation | Connector and connection terminal |
| CN103427265A (en) * | 2013-08-01 | 2013-12-04 | 四川华丰企业集团有限公司 | Shorting structure between multi-channel high-voltage cables |
| CN103427265B (en) * | 2013-08-01 | 2015-09-02 | 四川华丰企业集团有限公司 | Short-circuit structure between multichannel high voltage cable |
| CN112072618A (en) * | 2020-08-03 | 2020-12-11 | 广东电网有限责任公司 | Main transformer CT secondary current linkage switching terminal with single bus provided with bypass |
| CN112072618B (en) * | 2020-08-03 | 2023-01-24 | 广东电网有限责任公司 | Main transformer CT secondary current linkage switching terminal with single bus provided with bypass |
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Owner name: CIXI QIGUO ELECTRICAL APPLIANCE CO., LTD. Free format text: FORMER OWNER: FANG MIJUN Effective date: 20110602 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Free format text: CORRECT: ADDRESS; FROM: 315300 ROOM 1005, UNIT 3, GUTANG QIUYUE, GUTANG SUBDISTRICT, CIXI CITY, ZHEJIANG PROVINCE TO: 315313 HONGWEI VILLAGE, ZHANGQI TOWN, CIXI CITY, ZHEJIANG PROVINCE |
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Effective date of registration: 20110602 Address after: 315313, Zhejiang Province, Cixi City, Hong Wei village from the town Patentee after: CIXI QIGUO ELECTRICAL APPLIANCE CO., LTD. Address before: The ancient streets of the ancient Tang Tang moon 315300 Zhejiang city of Cixi Province three unit 1005 room Patentee before: Fang Maijun |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101103 Termination date: 20150112 |
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| EXPY | Termination of patent right or utility model |