CN211670394U - Power transformer bushing end screen adapter structure for on-line monitoring - Google Patents
Power transformer bushing end screen adapter structure for on-line monitoring Download PDFInfo
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- CN211670394U CN211670394U CN201922350149.3U CN201922350149U CN211670394U CN 211670394 U CN211670394 U CN 211670394U CN 201922350149 U CN201922350149 U CN 201922350149U CN 211670394 U CN211670394 U CN 211670394U
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- adapter
- end screen
- hole
- power transformer
- line monitoring
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Abstract
The utility model provides a power transformer sleeve pipe end screen adapter structure for on-line monitoring belongs to power equipment transformer bushing monitoring technology field, this power transformer sleeve pipe end screen adapter structure, end screen connecting plug, frock, adapter, elasticity copper sheathing subassembly, insulation board, wiring copper sheathing and adapter back lid, first through-hole and first hole site have been seted up at the top of frock, the inner wall of first through-hole is pegged graft there is end screen connecting plug's outer wall, first ring channel has been seted up to one side at adapter top, the internally mounted of first ring channel has first ring seal, the second ring channel has been seted up to one side of the bottom of adapter, the internally mounted of second ring channel has second ring seal, adapter demountable installation in the frock, the reliable contact and the waterproof effect of guaranteeing end screen connecting plug and end screen have been used in on-line monitoring's power transformer sleeve pipe end screen adapter structure And (5) fruit.
Description
Technical Field
The utility model relates to a power equipment transformer bushing monitoring technology field particularly, relates to a power transformer bushing end screen adapter structure for on-line monitoring.
Background
The transformer is a common power device in daily life, along with the rapid development of economy and society, the demand for electric power is more vigorous originally, the transformer bushing is the main insulating device outside the transformer box, the lead-out wire of the transformer winding must pass through the insulating bushing, make between the lead-out wire and transformer shell between insulating, play the effect of fixed lead-out wire simultaneously, the use of transformer needs outdoors, the structure of present end screen adapter is mostly the shell fragment formula lead-out structure, make the metal shell fragment fracture easily appear and lead to the ground connection inefficacy by appearing metal fatigue and contacting the rainwater in the long-term use of outdoor environment, the defect of transformer bushing self design leads to the end screen ungrounded easily and breaks down, cause the end screen to discharge to the ground, can also take place the sleeve pipe explosion and cause the damage to the transformer in serious time.
SUMMERY OF THE UTILITY MODEL
In order to compensate the above deficiency, the utility model provides a power transformer sleeve pipe end screen adapter structure for on-line monitoring is spring compact structure and increase seal structure through changing original shell fragment formula draw-off structure, has solved the easy problem that results in the ground connection inefficacy that splits of original shell fragment formula structure.
The utility model discloses a realize like this:
the utility model provides a lid behind power transformer sleeve pipe end screen adapter structure for on-line monitoring, includes end screen attach plug, frock, adapter, elasticity copper sheathing subassembly, insulation board, wiring copper sheathing and the adapter.
The top of the tool is provided with a first through hole and a first hole position, and the inner wall of the first through hole is inserted with the outer wall of the end screen connecting plug;
a first annular groove is formed in one side of the top of the adapter, a first annular sealing ring is installed inside the first annular groove, a second annular groove is formed in one side of the bottom of the adapter, a second annular sealing ring is installed inside the second annular groove, and the adapter is detachably installed on the tool;
the elastic copper sheathing assembly comprises the connecting column, a connecting block, elastic pieces and elastic pieces, the connecting column is fixedly connected to the top of the connecting block, the elastic pieces are fixedly connected to the periphery of the bottom of the connecting block, the elastic pieces are installed in the center of the bottom of the connecting block, and the end screen connecting plug is detachably connected to the elastic copper sheathing assembly;
a second through hole is formed in the center of the top of the insulating plate, and the insulating plate is mounted on the top of the adapter;
a second hole site is formed in the bottom of the wiring copper sleeve, a third through hole is formed in one side of the wiring copper sleeve, and the wiring copper sleeve is mounted on the top of the elastic copper sleeve assembly;
the rear cover of the adapter is provided with a fourth through hole at the top, the fourth through hole is in threaded connection with a waterproof connector, and the rear cover of the adapter is installed at the top of the adapter.
The utility model discloses an in the embodiment, end screen attach plug runs through the frock with the adapter, end screen attach plug's one end contact is connected with the end screen, end screen attach plug's the other end with the elastic component contact is connected.
The utility model discloses an in one embodiment, the outer wall of spliced pole with the inner wall clearance fit of second through-hole, the quantity of shell fragment is four, with the axle center of connecting block is annular permutation evenly distributed for the centre of a circle in the bottom of connecting block.
In an embodiment of the present invention, the elastic piece is in a shape formed by the bottom of the connecting block is circular, and a diameter of the circular shape is consistent with a diameter of the end screen connecting plug.
In an embodiment of the present invention, the bottom of the insulating plate and the top flange of the adapter are connected, the bottom of the cover behind the adapter and the top flange of the adapter are connected, the diameter of the cover behind the adapter is greater than the diameter of the insulating plate, the cover behind the adapter will the insulating plate is wrapped up in inside.
In an embodiment of the present invention, the third through hole is used for connecting a ground wire.
In an embodiment of the present invention, the diameter of the connecting column is consistent with the diameter of the second through hole and the diameter of the second hole site, and the outer wall of the connecting column is in clearance fit with the inner wall of the second through hole and the inner wall of the second hole site respectively.
The utility model has the advantages that: the utility model discloses a power transformer sleeve pipe end screen adapter structure for on-line monitoring who obtains through above-mentioned design, the position of adapter is fixed to the frock, the adapter cooperates with the insulation board and wraps up the one end of elasticity copper sheathing subassembly in inside, the other end of elasticity copper sheathing subassembly links to each other with the wiring copper sheathing, the third through hole that wiring copper sheathing surface was seted up links to each other the earth connection, adapter rear cover wraps up the insulation board in inside through flange joint, the position that adapter and adapter rear cover and frock contact sets up first ring seal circle and second ring seal circle respectively, the fourth through hole threaded connection water joint that the adapter rear cover was seted up, thereby the power transformer sleeve pipe end screen adapter structure that uses in on-line monitoring has waterproof effect, the annular diameter that the shell fragment is constituteed is unanimous with the diameter of end screen connecting plug, the elastic component that the annular that the inside that the shell fragment was set up pops out end screen, therefore, the sleeve tap adapter structure for the power transformer for online monitoring has the effect of ensuring the reliable contact between the tap connecting plug and the tap.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a bushing end screen adapter of a power transformer for online monitoring according to an embodiment of the present invention;
fig. 2 is a schematic view of a top view structure of a tool according to an embodiment of the present invention;
fig. 3 is a schematic cross-sectional structural diagram of an adapter provided in an embodiment of the present invention;
fig. 4 is a schematic cross-sectional structural view of the rear cover of the adapter according to the embodiment of the present invention;
fig. 5 is a schematic structural view of an elastic copper bush assembly according to an embodiment of the present invention;
fig. 6 is a schematic cross-sectional structural view of an elastic copper bush assembly according to an embodiment of the present invention;
fig. 7 is a schematic view of a bottom structure of an elastic copper bush assembly according to an embodiment of the present invention;
fig. 8 is a schematic top view of an insulating plate according to an embodiment of the present invention;
fig. 9 is a schematic structural view of a wiring copper bush provided in the embodiment of the present invention;
fig. 10 is a schematic view of a bottom structure of a wiring copper sleeve according to an embodiment of the present invention.
In the figure: 1-end screen; 2-end screen connecting plug; 3, assembling; 301-a first via; 302-first hole site; 4-an adapter; 401 — a first annular groove; 402-a second annular groove; 5-an elastic copper bush component; 501-connecting column; 502-connection block; 503-spring plate; 504-a resilient member; 6, insulating plates; 601-a second via; 7-connecting a copper sleeve; 701-a third via; 702-a second hole site; 8-adapter rear cover; 801-fourth via; 9-waterproof joints; 10-a first annular sealing ring; 11-second annular seal ring.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-10, the present invention provides a technical solution: the utility model provides a lid 8 behind power transformer sleeve pipe end screen adapter structure for on-line monitoring, includes end screen attach plug 2, frock 3, adapter 4, elasticity copper sheathing subassembly 5, insulation board 6, wiring copper sheathing 7 and the adapter.
Referring to fig. 1-10, wherein a first through hole 301 and a first hole site 302 are formed in the top of a tool 3, an outer wall of a rear screen connecting plug 2 is inserted into an inner wall of the first through hole 301, the rear screen connecting plug 2 penetrates the tool 3 and an adapter 4, one end of the rear screen connecting plug 2 is connected with a rear screen 1 in a contact manner, the other end of the rear screen connecting plug 2 is connected with an elastic member 504 in a contact manner, the elastic member 504 always ejects the rear screen connecting plug 2 to keep the rear screen connecting plug 2 and the rear screen tightly connected, the adapter 4 is detachably mounted on the tool 3, a second through hole 601 is formed in the center of the top of an insulating plate 6, the insulating plate 6 is mounted on the top of the adapter 4, the bottom of the insulating plate 6 is connected with a top flange of the adapter 4, the bottom of a rear adapter cover 8 is connected with a top flange of the adapter 4, the insulating plate 6 is wrapped inside by the adapter rear cover 8, a second hole position 702 is arranged at the bottom of the wiring copper sleeve 7, a third through hole 701 is arranged at one side of the wiring copper sleeve 7, the wiring copper sleeve 7 is installed at the top of the elastic copper sleeve component 5, the third through hole 701 is used for connecting a ground wire, a fourth through hole 801 is arranged at the top of the adapter rear cover 8, the fourth through hole 801 is in threaded connection with a waterproof joint 9, the type of the waterproof joint 9 is PG9 waterproof joint and has reliable waterproof performance, the ground wire penetrates through the waterproof joint 9 to be connected with the third through hole 701, the adapter rear cover 8 is installed at the top of the adapter 4, a first annular groove 401 is arranged at one side of the top of the adapter 4, a first annular sealing ring 10 is installed inside the first annular groove 401, a second annular groove 402 is arranged at one side of the bottom of the adapter 4, and, the part connected with the adapter 4 is sealed by the first annular sealing ring and the second annular sealing ring, so that the power transformer bushing end screen adapter structure for online monitoring has a waterproof effect.
Referring to fig. 5-7, the elastic copper sheathing assembly 5 includes a connection column 501, a connection block 502, spring plates 503 and elastic members 504, the connection column 501 is fixedly connected to the top of the connection block 502, the spring plates 503 are fixedly connected to the periphery of the bottom of the connection block 502, the elastic members 504 are installed at the center of the bottom of the connection block 502, the end screen connection plug 2 is detachably connected to the elastic copper sheathing assembly 5, the outer wall of the connection column 501 is in clearance fit with the inner wall of the second through hole 601, the number of the spring plates 503 is four, the spring plates are uniformly distributed at the bottom of the connection block 502 in an annular array with the axis of the connection block 502 as the center of circle, the shape formed by the spring plates 503 at the bottom of the connection block 502 is a circle, the diameter of the circle is consistent with the diameter of the end screen connection plug 2, the end screen connection plug 2 is in clearance fit with the end screen connection, the outer wall of the connecting column 501 is in clearance fit with the inner walls of the second through hole 601 and the second hole 702 respectively, the elastic piece 504 has a tendency of popping up the end screen connecting plug 2 outwards after the end screen connecting plug 2 is inserted, and the end screen connecting plug 2 is tightly connected with the end screen, so that the sleeve end screen adapter structure for the power transformer for online monitoring has an effect of ensuring reliable contact between the end screen connecting plug and the end screen.
Specifically, this a power transformer bushing end screen adapter structure for on-line monitoring's theory of operation: the ground wire enters the inside of the adapter rear cover 8 through the waterproof joint 9, the adapter rear cover 8 is in flange connection with the adapter 4, a first annular sealing ring 10 is arranged between the adapter 4 and the adapter rear cover 8, the insulation board 6 is installed at the top of the adapter 4, the insulation board 6 is wrapped inside by the adapter rear cover 8, one end of the elastic copper bush component 5 penetrates through the insulation board 6 and is connected with one end of the wiring copper bush 7 in an inserting mode, the other end of the wiring copper bush 7 is connected with the ground wire, the other end of the elastic copper bush component 5 is wrapped inside by the adapter 4, the adapter 4 is connected with the tool 3, a second annular sealing ring 11 is arranged between the adapter 4 and the tool 3, one end of the end screen connecting plug 2 is connected with the end screen 1, the other end of the end screen connecting plug penetrates through the tool 3 and is connected with the elastic copper bush component 5 in an inserting mode and is in contact with the elastic piece 504, and.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A bushing end screen adapter structure of a power transformer for on-line monitoring is characterized by comprising,
the device comprises a tool (3), wherein the top of the tool (3) is provided with a first through hole (301) and a first hole site (302), and the inner wall of the first through hole (301) is inserted with the outer wall of a tail screen connecting plug (2);
the tool comprises an adapter (4), wherein a first annular groove (401) is formed in one side of the top of the adapter (4), a first annular sealing ring (10) is installed inside the first annular groove (401), a second annular groove (402) is formed in one side of the bottom of the adapter (4), a second annular sealing ring (11) is installed inside the second annular groove (402), and the adapter (4) is detachably installed on the tool (3);
the elastic copper sheathing assembly (5), the elastic copper sheathing assembly (5) comprises a connecting column (501), a connecting block (502), an elastic sheet (503) and an elastic piece (504), the connecting column (501) is fixedly connected to the top of the connecting block (502), the elastic sheet (503) is fixedly connected to the periphery of the bottom of the connecting block (502), the elastic piece (504) is installed in the center of the bottom of the connecting block (502), and the end screen connecting plug (2) is detachably connected to the elastic copper sheathing assembly (5);
the center of the top of the insulating plate (6) is provided with a second through hole (601), and the insulating plate (6) is arranged on the top of the adapter (4);
the bottom of the wiring copper sleeve (7) is provided with a second hole (702), one side of the wiring copper sleeve (7) is provided with a third through hole (701), and the wiring copper sleeve (7) is arranged at the top of the elastic copper sleeve component (5);
lid (8) behind the adapter, fourth through-hole (801) have been seted up at the top of lid (8) behind the adapter, fourth through-hole (801) threaded connection has water joint (9), lid (8) are installed behind the adapter in the top of adapter (4).
2. The power transformer bushing end screen adapter structure for on-line monitoring according to claim 1, characterized in that the end screen connecting plug (2) penetrates through the tool (3) and the adapter (4), one end of the end screen connecting plug (2) is in contact connection with the end screen (1), and the other end of the end screen connecting plug (2) is in contact connection with the elastic piece (504).
3. The power transformer bushing end screen adapter structure for on-line monitoring of claim 1, wherein the outer wall of the connecting column (501) is in clearance fit with the inner wall of the second through hole (601), the number of the spring pieces (503) is four, and the spring pieces are uniformly distributed at the bottom of the connecting block (502) in an annular array by taking the axis of the connecting block (502) as a circle center.
4. A power transformer bushing tap adapter structure for on-line monitoring according to claim 3, characterized in that the shape of the spring plate (503) formed at the bottom of the connecting block (502) is a circle, and the diameter of the circle is consistent with the diameter of the tap connecting plug (2).
5. A power transformer bushing end screen adapter structure for on-line monitoring according to claim 1, characterized in that the bottom of the insulation board (6) is flanged to the top of the adapter (4), the bottom of the adapter back cover (8) is flanged to the top of the adapter (4), the diameter of the adapter back cover (8) is larger than the diameter of the insulation board (6), the adapter back cover (8) wraps the insulation board (6) inside.
6. A power transformer bushing tap adapter structure for on-line monitoring according to claim 1, characterized in that said third through hole (701) is used for connecting ground.
7. A power transformer bushing end screen adapter structure for on-line monitoring according to claim 1, characterized in that the diameter of the connection column (501) is the same as the diameter of the second through hole (601) and the second hole site (702), and the outer wall of the connection column (501) is clearance fit with the inner wall of the second through hole (601) and the second hole site (702), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922350149.3U CN211670394U (en) | 2019-12-24 | 2019-12-24 | Power transformer bushing end screen adapter structure for on-line monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922350149.3U CN211670394U (en) | 2019-12-24 | 2019-12-24 | Power transformer bushing end screen adapter structure for on-line monitoring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211670394U true CN211670394U (en) | 2020-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922350149.3U Active CN211670394U (en) | 2019-12-24 | 2019-12-24 | Power transformer bushing end screen adapter structure for on-line monitoring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211670394U (en) |
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2019
- 2019-12-24 CN CN201922350149.3U patent/CN211670394U/en active Active
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