CN202840157U - Tap adapter - Google Patents
Tap adapter Download PDFInfo
- Publication number
- CN202840157U CN202840157U CN201220491406.0U CN201220491406U CN202840157U CN 202840157 U CN202840157 U CN 202840157U CN 201220491406 U CN201220491406 U CN 201220491406U CN 202840157 U CN202840157 U CN 202840157U
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- out piece
- connection block
- copper leading
- end shield
- leading
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Abstract
The utility model discloses a tap adapter, which is in a split-type structure. The tap adapter comprises an assembly one and an assembly two, wherein the assembly two is non-detachable; the assembly one comprises a copper lead-out piece one, an insulation piece one and a connection seat one; the copper lead-out piece one, the insulation piece one and the connection seat one are connected from inside to outside; the assembly two comprises a copper lead-out piece two, an insulation piece two and a connection seat two; the copper lead-out piece two, the insulation piece two and the connection seat two are connected from inside to outside; and the connection seat one and the connection seat two, and the copper lead-out piece one and the copper lead-out piece two are respectively connected. When at use, the assembly two is wholly sealed by the cable with a waterproof cable lock for signal lead-out and lead-back and grounded; and two ends of the assembly one are respectively connected with the bushing tap and the connection seat two. When at repair, the assembly one is removed for repair and the removal and installation are convenient; the assembly two cannot be detached, parts can be prevented from getting damp during the removal and repair process; the assembly two carries out signal lead-out and lead-back and is grounded, the part cannot be removed and repaired, such that open circuit can be prevented from happening due to improper operation of reinstallation, and the use of the tap adapter is safe, simple and convenient.
Description
Technical field
The utility model relates to transformer condenser bushing insulated on-line monitoring system, particularly relates to a kind of end shield adapter.
Background technology
The running status of transformer will often be measured, assesses and diagnose, to guarantee security of operation.The bushing shell for transformer insulated on-line monitoring system need to calculate by the Leakage Current of measuring bottom shielding of bushing the dielectric loss value of this sleeve pipe, measures Leakage Current, need to be with in the end shield current signal guiding measuring device.The mode of bottom shielding of bushing generally can be divided into external and built-in, and for the external end shield, current sampling is fairly simple; For built-in end shield, need to the end shield current signal be drawn by the end shield adapter, an end of end shield adapter is connected with the Metallic rod of end shield, and the other end is inner by holding wire access monitoring device, then ground connection.
The end shield interface generally all will regularly detect, and adapter commonly used is for now filling the one adapter, and online to manufactured parts after the end shield dimensional measurement, after this on-the-spot the installation, when regularly detecting, need then the inspection of part completely knocked down is re-assemblied.
Thus, the use of end shield adapter just presents very large defective: adapter is when regularly detecting, and dismounting is loaded down with trivial details, and part easily makes moist in the dismounting refitting process, easily opens a way during refitting, causes potential safety hazard.
The utility model content
The purpose of this utility model is, provide a kind of dismounting simply, the end shield adapter of moisture-sensitive and open circuit not.
For realizing the utility model purpose, provide following technical scheme:
A kind of end shield adapter, described end shield adapter is split-type structural, comprise assembly one and assembly two, described assembly two is non-disconnectable integral body, described assembly one comprises copper leading-out piece one, insulating part one and Connection Block one, described copper leading-out piece one is folded on the insulating part one, and described insulating part one is connected with described Connection Block one; Described assembly two comprises copper leading-out piece two, insulating part two and Connection Block two, described copper leading-out piece two is folded on the insulating part two, described insulating part two is connected with Connection Block two, described assembly one is connected with assembly and is connected connection with Connection Block by Connection Block one, and described copper leading-out piece one is connected connection with the copper leading-out piece.Dismounting is easy and avoided effectively that part makes moist and open circuit situation in the maintenance process.
Therein among embodiment; described insulating part one is insulation protection cover; described insulation protection cover is hollow single-ended back cover column; the openend sidewall is connected with Connection Block one; described insulation protection cover back cover is provided with the over cap fairlead, and copper leading-out piece one passes that the over cap fairlead is sheathed to be covered with insulation protection.Better the space cooperates, the convenient installation and the saving material.
Therein among embodiment; described copper leading-out piece one is step copper leading-out piece one; described step copper leading-out piece one comprises thick section and the thin section that is connected; the over cap fairlead of insulation protection cover passes in the thin section of described step copper leading-out piece one from the openend of insulation protection cover; be fastened on insulation protection by step surface and cover, the thin section of described step copper leading-out piece one is connected with copper leading-out piece two.Establish by the step card, make things convenient for the location of copper leading-out piece and fixing.
Therein among embodiment, the thick section end of described step copper leading-out piece one is provided with the end shield connecting hole, the thick section middle part of described step copper leading-out piece one is provided with tight taper hole, describedly clings to hole and the perforation of described end shield connecting hole on one's trail, and described tight taper hole is furnished with tight cone screw.With end shield perforation, end shield enters the end shield connecting hole, tightly bores the hole that screw passes end shield end shield is anchored on the copper leading-out piece one, so that connect more firmly, few gap keeps away from moisture and corrodes.
Therein among embodiment, described copper leading-out piece two is step copper leading-out piece two, comprise the thick section and the thin section that are connected, the thick section of described step copper leading-out piece two is connected with copper leading-out piece one, the taper end of described copper leading-out piece two is provided with screw thread, and the thin section of described step copper leading-out piece two passes insulating part two and is fixed on the insulating part two by nut.Step copper leading-out piece two is by end clamping and fastening nuts, and better conveniently install the location, and nut can cooperate bullet pad and plain cushion to use, and locking anticreep makes connection more firm.
Among embodiment, described assembly two also comprises the line ear therein, and described line ear muff is located at the taper end of copper leading-out piece two, is connected with copper leading-out piece two by nut.The interpolation of line ear, the drawing of signal during convenient the installation, also so that the connection of holding wire is more firm, the nut of fastening described copper leading-out piece two is preferably copper nut, and electric conductivity is excellent, effectively avoids the loose contact of line ear and copper leading-out piece two, guarantees that the signal connection is unimpeded.
Among embodiment, described Connection Block two is provided with the protector binding post, is connected to the end shield protector between described copper leading-out piece two and the Connection Block two therein, and described end shield protector is connected with Connection Block two by the protector binding post.The protector binding post is more convenient, more firm by the line of end shield protector and Connection Block two, and makes things convenient for signal to return to draw being connected of earth cable and Connection Block two.
Among embodiment, described Connection Block two is H type Connection Block, offers installing hole on the horizontal connecting plate of described H type Connection Block therein, and described insulating part two is installed in the installing hole.If the H type Connection Block of horizontal connecting plate has made things convenient for the connection of insulating part two, also make things convenient for the location.
Therein among embodiment, described installing hole is worker's shape stepped hole, described insulating part two comprises the coordinated insulation pad and compresses insulation cushion, described worker's shape stepped hole is full of by described coordinated insulation pad and compression insulation cushion, described worker's shape stepped hole aperture ladder is folded in the coordinated insulation pad and compresses between the insulation cushion, the thin section of described copper leading-out piece two passes successively the path step of coordinated insulation pad, worker's shape stepped hole and compresses insulation cushion, compressed by described nut, the step of described copper leading-out piece two engages with the coordinated insulation pad.The setting of worker's shape stepped hole, the cooperation sandwich style of coordinated insulation pad and compression insulation cushion compresses, so that the location of copper leading-out piece two is more stable, connects more reliable.
Among embodiment, the butt end of the taper end of described copper leading-out piece one and copper leading-out piece two is provided with banana head connecting hole therein, and described copper leading-out piece one is connected with the copper leading-out piece and is connected by the banana head.Connect copper leading-out piece one and copper leading-out piece two by the banana head, become contact or clamping and be connected to penetration type and spin, connects more reliably, signal conveying reliability is higher.
Therein among embodiment, the butt end cross section of described copper leading-out piece two is polygon or ellipse, offer corresponding polygon or oval installation step on the face that engages with copper leading-out piece two ladders on the described coordinated insulation pad, and the step profile section that described worker's shape stepped hole cooperates with the coordinated insulation pad also is polygon or ellipse.Polygon and oval-shaped design are so that even in the situation that power is larger, counterpart also must not relatively rotate, so that the Relative position determination of copper leading-out piece two is installed more convenient guaranteed.
Therein among embodiment, described coordinated insulation pad and the large scale step thicknesses that compresses insulation cushion less than described worker's shape stepped hole correspondence greatly through step thicknesses, described coordinated insulation pad and compression insulation cushion are without scribbling the rubber seal layer on the surface that cooperates, and described rubber seal layer is equal with baseplane, worker's shape stepped hole top.Being coated with of rubber seal layer increased the sealing property at assembly two internal links places, so that the more excellent signal conduction of antirust anti-corrosion performance is more reliable in the long-term process of using.
Among embodiment, the end that described Connection Block two is corresponding with the taper end of copper leading-out piece two is connected with the switching Connection Block therein.After adding the switching Connection Block, the diameter of Connection Block one and Connection Block two does not need to be subjected to the restriction of water-proof cable tapered end, can suitably strengthen, the convenient manufacturing and dismounting.
Therein among embodiment, described H type Connection Block comprises that an end is with band plate Connection Block and the tubular Connection Block of horizontal connecting plate, described band plate Connection Block is connected with the tubular Connection Block from its horizontal connecting plate place, offers worker's shape stepped hole on the horizontal connecting plate of described band plate Connection Block.The split of H type Connection Block has avoided two ends to be the not visible situation of tubular dismounting operation, and makes things convenient for the carrying out of manufacturing process.
Among embodiment, being connected between described Connection Block one, band plate Connection Block, tubular Connection Block and the switching Connection Block is threaded therein.Being threaded makes things convenient for fitting operation, does not lose again the reliability of connection, and as releasable connection, sealing property is better.
Therein among embodiment, the binding face that described Connection Block one, band plate Connection Block, tubular Connection Block and the Connection Block of being connected connect is between described copper leading-out piece two and the coordinated insulation pad, between coordinated insulation pad and the compression insulation cushion and be provided with sealing ring between compression insulation cushion and the worker's shape stepped hole mating surface.Further improve the sealing property of end shield adapter, prevent corrosion, guarantee that signal connects unobstructed.
The contrast prior art the utlity model has following advantage:
End shield adapter of the present utility model adopts split-type structural, comprises assembly one and assembly two, and assembly two is non-disconnectable integral body, and during use, assembly two integral body are carried out signal by the cable seal with the water-proof cable tapered end and drawn back and draw ground connection; Model according to bottom shielding of bushing, choose the model of Connection Block one in the assembly one, with assembly one with after bottom shielding of bushing is connected, the other end is connected with Connection Block two, copper leading-out piece one is connected connection with the copper leading-out piece, during maintenance, only need pull down the assembly one that is connected with bottom shielding of bushing and overhaul, easy accessibility, assembly two does not split, avoided that part makes moist in the dismounting refitting process, the assembly binary signal is drawn, and return and draw ground connection, yet assembly two is not is not opened and inspect, personnel operation is improper when having avoided refitting opens a way, so that the use of end shield adapter is safe and easy.
Description of drawings
Fig. 1 is end shield adapter structure figure;
Fig. 2 is the end shield structure chart;
Fig. 3 is end shield adapter and end shield installation diagram.
1000-Connection Block one, 1002-band plate Connection Block, 1004-tubular Connection Block; the 1006-Connection Block of transferring, 1008-water-proof cable tapered end, 1100-insulation protection cover; 1102-coordinated insulation pad, 1104-compresses insulation cushion, 1106-rubber seal layer; 1200-copper leading-out piece one, 12002-end shield connecting hole, the tight taper hole of 12004-; 1202-banana head, 12022-banana head connecting hole, 1204-copper leading-out piece two; the 12062-copper nut, 12064-bullet pad, 12066-plain cushion; 1208-line ear, 12102-copper nut, 12104-bullet pad; the 12106-plain cushion; 1212-signal outgoing cable, 1214-return and draw earth cable, the 1300-sealing ring; 1320-tightly bores screw; 13222-protector binding post, 2000-bottom shielding of bushing base, 2100-push away and pull out copper sheathing; 2200-bottom shielding of bushing stem, the tight taper hole of 2202-end shield
Embodiment
Below in conjunction with accompanying drawing the utility model is further specified:
End shield adapter as shown in Figure 1 comprises: Connection Block 1; band plate Connection Block 1002, tubular Connection Block 1004, switching Connection Block 1006; insulation protection cover 1100; coordinated insulation pad 1102 compresses insulation cushion 1104, copper leading-out piece 1; banana head 1202; copper leading-out piece 2 1204, line ear 1208, end shield protector 1322.
Band plate Connection Block 1002 is connected with tubular Connection Block 1004 from its horizontal connecting plate place, and Connection Block 1 is connected with the other end of band plate Connection Block 1002.
Described copper leading-out piece 2 1204 is step copper leading-out piece 2 1204, comprise the thick section and the thin section that are connected, the thick section of described step copper leading-out piece 2 1204 is square, thick section end is provided with banana head connecting hole 12022, the thick section of described step copper leading-out piece 2 1204 is connected by banana head connecting hole 12022 usefulness banana heads 1202 with the thin section of copper leading-out piece 1, and the taper end of copper leading-out piece 2 1204 is provided with screw thread.
Offer worker's shape stepped hole on the horizontal connecting plate of described band plate Connection Block 1002, a large scale step of worker's shape stepped hole is the square-section, the large scale step profile section of the coordinated insulation pad 1102 that cooperates with it also is that corresponding size is square, the large scale step end face is provided with and the square installation step of copper leading-out piece 2 1204 square-section step correspondingly-sized, worker's shape stepped hole is engaged insulation cushion 1102 and compresses insulation cushion 1104 and is full of, described worker's shape stepped hole aperture ladder is folded in coordinated insulation pad 1102 and compresses between the insulation cushion 1104, the thin section of described copper leading-out piece 2 1204 passes coordinated insulation pad 1102 successively, the path step of worker's shape stepped hole and compression insulation cushion 1104, the step of described copper leading-out piece 2 1204 engages with the installation ladder of coordinated insulation pad 1102, taper end cooperates bullet pad 12064 and plain cushion 12066 to be fixed and clamped fixing by copper nut 12062, the large scale step thicknesses of described coordinated insulation pad 1102 and compression insulation cushion 1104 is less than the corresponding large scale step thicknesses of described worker's shape stepped hole, described coordinated insulation pad 1102 and compression insulation cushion 1104 are without scribbling rubber seal layer 1106 on the surface that cooperates, described rubber seal layer 1106 is equal with baseplane, worker's shape stepped hole top, so that the parts of rubber seal layer 1106 rubber seal form non-disconnectable integral body.
Band plate Connection Block 1002 is provided with protector binding post 13222, is connected to end shield protector 1322 between described copper leading-out piece 2 1204 and the band plate Connection Block 1002, and described end shield protector 1322 is connected with band plate Connection Block 1002 by protector binding post 13222.
The not link of described tubular Connection Block 1004 is connected with switching Connection Block 1006.
Being connected between described Connection Block 1, band plate Connection Block 1002, tubular Connection Block 1004 and the switching Connection Block 1006 is threaded.
The binding face that described Connection Block 1, band plate Connection Block 1002, tubular Connection Block 1004 and the Connection Block 1006 of being connected connect, between described copper leading-out piece 2 1204 and the coordinated insulation pad 1102, coordinated insulation pad 1102 with compress between the insulation cushion 1104 and compression insulate 1104 and worker's shape stepped hole mating surface between be provided with sealing ring 1300.
The end shield structure as shown in Figure 2; the assembling of end shield adapter and end shield as shown in Figure 3; use when installing; the line hole of signal outgoing cable 1212 being passed water-proof cable tapered end 1108 connects on the online ear 1208; draw the line hole that earth cable 1214 passes water-proof cable tapered end 1108 and be connected on the protector binding post 13222 returning, then water-proof cable tapered end 1108 and switching Connection Block 1006 to be screwed.
The tight taper hole 1310 of 2200 dozens of end shields of end shield stem, the end shield stem is stretched into the end shield connecting hole 12002 of copper leading-out piece one 1200 thick section ends, to push away and pull out under copper sheathing 2100 tops, the tight taper hole 1310 of end shield is aimed at the tight taper hole 12004 of copper leading-out pieces one 1200 thick sections, bores tight with tight cone screw 1320.
Insulation protection cover is connected with Connection Block 1 with 1100; the end shield structure that will be connected with copper leading-out piece 1 is connected with the other end of Connection Block 1 by bottom shielding of bushing base 2000; the hole of insulation protection cover 1100 is passed by copper leading-out piece one 1200 thin sections; banana head 1202 is installed by thin section at copper leading-out piece 1; after screwing; the other end of banana head 1202 is aimed at the banana head connecting hole 12022 of the thick section end of copper leading-out piece 2 1204; Connection Block 1 is connected with band plate Connection Block 1002; when Connection Block 1 was connected with band plate Connection Block 1002, inner banana head 1202 screwed in fastening with copper leading-out piece 2 1204.Installation.All are installed required connecting moves and are and are threaded simple installation.
When regularly opening and inspecting, the installation steps of driving in the wrong direction, the only connection of need maintenance bottom and top line; do not need middle integral part is overhauled, dismounting is easy, and ground protection is the encapsulation of dispatching from the factory; operate separately when not needing dismounting, that has avoided occurring in the maintenance process makes moist, and easy open circuit problem.
The above embodiment has only expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (16)
1. end shield adapter, it is characterized in that, described end shield adapter is split-type structural, comprise assembly one and assembly two, described assembly two is non-disconnectable integral body, described assembly one comprises copper leading-out piece one, insulating part one and Connection Block one, and described copper leading-out piece one is folded on the insulating part one, and described insulating part one is connected with described Connection Block one; Described assembly two comprises copper leading-out piece two, insulating part two and Connection Block two, described copper leading-out piece two is folded on the insulating part two, described insulating part two is connected with Connection Block two, described assembly one is connected with assembly and is connected connection with Connection Block by Connection Block one, and described copper leading-out piece one is connected connection with the copper leading-out piece.
2. end shield adapter according to claim 1; it is characterized in that; described insulating part one is insulation protection cover; described insulation protection cover is hollow single-ended back cover column; the openend sidewall is connected with Connection Block one; described insulation protection cover back cover is provided with the over cap fairlead, and copper leading-out piece one passes that the over cap fairlead is sheathed to be covered with insulation protection.
3. end shield adapter according to claim 2; it is characterized in that; described copper leading-out piece one is step copper leading-out piece one; described step copper leading-out piece one comprises thick section and the thin section that is connected; the over cap fairlead of insulation protection cover passes in the thin section of described step copper leading-out piece one from the openend of insulation protection cover; be fastened on insulation protection by step surface and cover, the thin section of described step copper leading-out piece one is connected with copper leading-out piece two.
4. end shield adapter according to claim 3, it is characterized in that, the thick section end of described step copper leading-out piece one is provided with the end shield connecting hole, the thick section middle part of described step copper leading-out piece one is provided with tight taper hole, described hole and the described end shield connecting hole of clinging on one's trail connects, and described tight taper hole is furnished with tight cone screw.
5. end shield adapter according to claim 4, it is characterized in that, described copper leading-out piece two is step copper leading-out piece two, comprise the thick section and the thin section that are connected, the thick section of described step copper leading-out piece two is connected with copper leading-out piece one, the taper end of described copper leading-out piece two is provided with screw thread, and the thin section of described step copper leading-out piece two passes insulating part two and is fixed on the insulating part two by nut.
6. end shield adapter according to claim 5 is characterized in that, described assembly two also comprises the line ear, and described line ear muff is located at the taper end of copper leading-out piece two, is connected with copper leading-out piece two by nut.
7. end shield adapter according to claim 6; it is characterized in that; described Connection Block two is provided with the protector binding post, is connected to the end shield protector between described copper leading-out piece two and the Connection Block two, and described end shield protector is connected with Connection Block two by the protector binding post.
8. end shield adapter according to claim 7 is characterized in that, described Connection Block two is H type Connection Block, offers installing hole on the horizontal connecting plate of described H type Connection Block, and described insulating part two is installed in the installing hole.
9. end shield adapter according to claim 8, it is characterized in that, described installing hole is worker's shape stepped hole, described insulating part two comprises the coordinated insulation pad and compresses insulation cushion, described worker's shape stepped hole is full of by described coordinated insulation pad and compression insulation cushion, described worker's shape stepped hole aperture ladder is folded in the coordinated insulation pad and compresses between the insulation cushion, the thin section of described copper leading-out piece two passes successively the path step of coordinated insulation pad, worker's shape stepped hole and compresses insulation cushion, compressed by described nut, the step of described copper leading-out piece two engages with the coordinated insulation pad.
10. end shield adapter according to claim 9 is characterized in that, the butt end of the taper end of described copper leading-out piece one and copper leading-out piece two is provided with banana head connecting hole, and described copper leading-out piece one is connected with the copper leading-out piece by the connection of banana head.
11. end shield adapter according to claim 10, it is characterized in that, the butt end cross section of described copper leading-out piece two is polygon or ellipse, offer corresponding polygon or oval installation step on the face that engages with copper leading-out piece two ladders on the described coordinated insulation pad, and the step profile section that described worker's shape stepped hole cooperates with the coordinated insulation pad also is polygon or ellipse.
12. end shield adapter according to claim 11, it is characterized in that, described coordinated insulation pad and the large scale step thicknesses that compresses insulation cushion less than described worker's shape stepped hole correspondence greatly through step thicknesses, described coordinated insulation pad and compression insulation cushion are without scribbling the rubber seal layer on the surface that cooperates, and described rubber seal layer is equal with baseplane, worker's shape stepped hole top.
13. end shield adapter according to claim 12 is characterized in that, the end that described Connection Block two is corresponding with the taper end of copper leading-out piece two is connected with the switching Connection Block.
14. end shield adapter according to claim 13 is characterized in that, described H type Connection Block comprises an end with band plate Connection Block and the tubular Connection Block of horizontal connecting plate, and described band plate Connection Block is connected with the tubular Connection Block from its horizontal connecting plate place.
15. end shield adapter according to claim 14 is characterized in that, being connected between described Connection Block one, band plate Connection Block, tubular Connection Block and the switching Connection Block is threaded.
16. end shield adapter according to claim 15, it is characterized in that, the binding face that described Connection Block one, band plate Connection Block, tubular Connection Block and the Connection Block of being connected connect is between described copper leading-out piece two and the coordinated insulation pad, between coordinated insulation pad and the compression insulation cushion and be provided with sealing ring between compression insulation cushion and the worker's shape stepped hole mating surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220491406.0U CN202840157U (en) | 2012-09-24 | 2012-09-24 | Tap adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220491406.0U CN202840157U (en) | 2012-09-24 | 2012-09-24 | Tap adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202840157U true CN202840157U (en) | 2013-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220491406.0U Expired - Lifetime CN202840157U (en) | 2012-09-24 | 2012-09-24 | Tap adapter |
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| Country | Link |
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| CN (1) | CN202840157U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103325551A (en) * | 2013-06-28 | 2013-09-25 | 国家电网公司 | End screen outgoing line protection and anti-interference device |
| CN103344792A (en) * | 2013-06-28 | 2013-10-09 | 国家电网公司 | End screen downwards leading structure for monitoring transformer sleeve |
| CN103973023A (en) * | 2014-05-13 | 2014-08-06 | 珠海格力电器股份有限公司 | Motor sealing outlet plate |
| CN112540337A (en) * | 2020-12-30 | 2021-03-23 | 广东电网有限责任公司电力科学研究院 | Transformer substation outgoing line capacitive voltage transformer monitoring method, device and equipment |
-
2012
- 2012-09-24 CN CN201220491406.0U patent/CN202840157U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103325551A (en) * | 2013-06-28 | 2013-09-25 | 国家电网公司 | End screen outgoing line protection and anti-interference device |
| CN103344792A (en) * | 2013-06-28 | 2013-10-09 | 国家电网公司 | End screen downwards leading structure for monitoring transformer sleeve |
| CN103344792B (en) * | 2013-06-28 | 2015-08-19 | 国家电网公司 | Guiding structure under special end shield monitored by a kind of bushing shell for transformer |
| CN103973023A (en) * | 2014-05-13 | 2014-08-06 | 珠海格力电器股份有限公司 | Motor sealing outlet plate |
| CN112540337A (en) * | 2020-12-30 | 2021-03-23 | 广东电网有限责任公司电力科学研究院 | Transformer substation outgoing line capacitive voltage transformer monitoring method, device and equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200929 Address after: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee after: Guangzhou Power Supply Bureau of Guangdong Power Grid Co.,Ltd. Address before: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee before: GUANGZHOU POWER SUPPLY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |
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| CX01 | Expiry of patent term |