CN211957405U - Plug-in type valve side lead connecting structure of flexible direct transformer - Google Patents
Plug-in type valve side lead connecting structure of flexible direct transformer Download PDFInfo
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- CN211957405U CN211957405U CN202021030716.3U CN202021030716U CN211957405U CN 211957405 U CN211957405 U CN 211957405U CN 202021030716 U CN202021030716 U CN 202021030716U CN 211957405 U CN211957405 U CN 211957405U
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Abstract
The utility model relates to a gentle straight transformer plug-in valve side pin connection structure belongs to gentle straight transformer technical field. The technical scheme is as follows: the lead plug (3) is provided with a plug head conductive watch chain (6), and the plug head conductive watch chain (6) is inserted into the lead side sleeve (1) and matched with the lead side sleeve; a conductive watch chain (4) is arranged on the plug of the sleeve (7), and the conductive watch chain (4) is inserted into the sleeve (2) at the side of the sleeve and matched with the sleeve; lead wire side sleeve (1) and sleeve pipe side sleeve (2) are metal sleeve, adopt many cables to be connected between lead wire side sleeve (1) and sleeve pipe side sleeve (2), lead wire side sleeve (1) and sleeve pipe side sleeve (2) are fixed a position through bracing piece (5). The utility model has the characteristics of the structure is reliable, easily operation, simple installation etc, it is inconvenient effectively to solve the connection operation that the valve side lead wire cross-section too big arouses, can be applicable to the gentle transformer that directly changes of each voltage level comprehensively, is favorable to the rapid development of gentle straight power transmission and transformation trade.
Description
Technical Field
The utility model relates to a gentle straight transformer plug-in valve side pin connection structure belongs to gentle straight transformer technical field.
Background
At present, flexible direct current transmission is important equipment for constructing a smart grid, compared with the traditional mode, the flexible direct current transmission has stronger technical advantages in aspects of island power supply, capacity increasing transformation of an urban power distribution network, interconnection of alternating current systems, large-scale wind power plant grid connection and the like, and is a strategic choice for changing the development pattern of a large power grid. With the continuous development of flexible direct-current transmission engineering, the demand of a flexible direct-current transformer, called a flexible direct-current transformer for short, as a main device of a converter station is also continuously increased, a valve side lead is one of the most critical components in the flexible direct-current transformer, the connection of the valve side lead is the core technology of the whole valve side lead, and the comprehensive development of the flexible direct-current transmission engineering in China is directly influenced due to the complex design, process and production and manufacturing processes. The flexible transformer that directly turns on capacity constantly increases, and valve side electric current constantly increases, will cause valve side lead wire cable cross-sectional area too big to lead to valve side pin junction space narrow and small, seriously influenced sleeve pipe and valve side pin connection, more because of being connected insecure, caused the product test unqualifiedly, restricted whole flexible transformer's development directly. Therefore, the development of a new valve side lead wire connection structure is a technical problem to be solved in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a gentle transformer plug-in valve side pin connection structure that directly, the structure is reliable, easily operation, simple installation, and it is inconvenient effectively to solve the connection operation that the valve side pin cross-section arouses greatly, can be applicable to the gentle transformer that directly of each voltage level comprehensively, solves the above-mentioned technical problem that prior art exists.
The technical scheme of the utility model is that:
a plug-in type valve side lead connecting structure of a flexible direct transformer comprises a lead side sleeve, a sleeve side sleeve, a lead plug, a conductive watch chain, a supporting rod, a plug head conductive watch chain and a sleeve; the lead plug is provided with a plug head conductive watch chain which is inserted into the lead side sleeve and matched with the lead side sleeve; the plug of the sleeve is provided with a conductive watch chain which is inserted into the sleeve at the side of the sleeve and matched with the sleeve; the lead side sleeve and the sleeve side sleeve are both metal sleeves, the lead side sleeve and the sleeve side sleeve are connected by adopting a plurality of cables, and the lead side sleeve and the sleeve side sleeve are positioned through a support rod; the lead plug is connected with the sleeve through the lead side sleeve, the sleeve side sleeve and the cable; the conductive watch chain and the plug head conductive watch chain have the same structure, are all provided with a plurality of annular bulges and are used for being connected with the sleeve on the side of the sleeve and the sleeve on the side of the lead.
One end of the lead plug is connected with the transformer winding through a lead, the other end of the lead plug is provided with a protective resin shell, and the protective resin shell is fixed at the top end of the lead plug through a screw.
The conductive watch chain and the plug head conductive watch chain are made of elastic metal materials; and annular grooves matched with the conductive watch chain and the plug-in head conductive watch chain are respectively arranged in the sleeve side sleeve and the lead side sleeve.
The support rod is a metal support rod, and the sleeve side sleeve and the lead side sleeve are fixed by the metal support rod with one side insulated and one side grounded. The sleeve can be directly inserted into the sleeve side sleeve 2 from the outside without connecting the inside; a plurality of cables are connected between the two metal sleeves, so that the connection operation of the sleeve and the valve side lead in a narrow space is omitted.
The utility model has the advantages that: the utility model has the characteristics of the structure is reliable, easily operation, simple installation etc, it is inconvenient effectively to solve the connection operation that the valve side lead wire cross-section too big arouses, can be applicable to the gentle transformer that directly changes of each voltage level comprehensively, is favorable to the rapid development of gentle straight power transmission and transformation trade.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the lead side sleeve of the present invention;
fig. 3 is a schematic view of the lead plug of the present invention;
in the figure: the lead wire comprises a lead wire side sleeve 1, a sleeve side sleeve 2, a lead wire plug 3, a conductive watch chain 4, a support rod 5, a plug head conductive watch chain 6, a sleeve 7, a screw 8, a protective resin shell 9, a lead wire 10, an annular groove 11 and a flange 12.
Detailed Description
The present invention will be further explained by way of examples with reference to the accompanying drawings.
A plug-in type valve side lead connecting structure of a flexible direct transformer comprises a lead side sleeve 1, a sleeve side sleeve 2, a lead plug 3, a conductive watch chain 4, a support rod 5, a plug head conductive watch chain 6 and a sleeve 7; the lead plug 3 is provided with an inserting and pulling head conductive watch chain 6, and the inserting and pulling head conductive watch chain 6 is inserted into and matched with the lead side sleeve 1; a conductive watch chain 4 is arranged on the plug of the sleeve 7, and the conductive watch chain 4 is inserted into the sleeve side sleeve 2 and matched with the sleeve side sleeve; the lead side sleeve 1 and the sleeve side sleeve 2 are both metal sleeves, the lead side sleeve 1 and the sleeve side sleeve 2 are connected through a plurality of cables, and the lead side sleeve 1 and the sleeve side sleeve 2 are positioned through a support rod 5; the lead plug 3 is connected with the sleeve 7 through the lead side sleeve 1, the sleeve side sleeve 2 and a cable, and a transformer valve side lead is connected with the sleeve 7; the conductive watch chain 4 and the plug-pull head conductive watch chain 6 are the same in structure, are all multi-channel annular protrusions and are used for being connected with the sleeve side sleeve 2 and the lead side sleeve 1.
One end of the lead plug 3 is connected with a transformer winding through a lead 10, the other end of the lead plug is provided with a protective resin shell 9, and the protective resin shell 9 is fixed at the top end of the lead plug 3 through a screw 8.
The conductive watch chain 4 and the plug-pull head conductive watch chain 6 are made of elastic metal materials; and annular grooves 11 matched with the conductive watch chain 4 and the plug-pull head conductive watch chain 6 are respectively arranged in the sleeve side sleeve 2 and the lead side sleeve 1.
The support rod is a metal support rod, and the sleeve side sleeve and the lead side sleeve are fixed by the metal support rod with one side insulated and one side grounded. The sleeve can be directly inserted into the sleeve side sleeve 2 from the outside without connecting the inside; a plurality of cables are connected between the two metal sleeves, so that the connection operation of the sleeve and the valve side lead in a narrow space is omitted.
And a flange 12 is arranged on the support rod 5, and the flange on the support rod 5 is connected and installed with a voltage-sharing ball of the transformer.
In the embodiment, referring to fig. 1, the valve-side lead wire 10 is connected to the lead wire plug 3, and the lead wire plug 3 is inserted into the lead wire-side sleeve 1 and is securely connected to the lead wire-side sleeve 1 through the plug-in/pull-out head conductive watch chain 6. The lead side sleeve and the sleeve side sleeve are fixed through a support rod 5 and conduct current by means of a cable. The current of the lead side sleeve 1 and the lead plug 3 is conducted through the plug conductive bracelet. After the integral erection is finished, will the utility model discloses a flange on the bracing piece 5 is installed with the pressure-equalizing ball of transformer.
Fig. 2 is a cross-sectional view of the lead side sleeve or the sleeve side sleeve of the present invention, wherein the conductive watch chain 4 and the plug conductive watch chain 6 are made of elastic metal material; and annular grooves 11 matched with the conductive watch chain 4 and the plug-in head conductive watch chain 6 are respectively arranged in the sleeve side sleeve 2 and the lead side sleeve 1. And determining the number of the conductive watchbands according to the magnitude of the current.
Fig. 3 shows that the lead plug 3 is provided with a plug head conductive watch chain 6. During installation, the plug head conductive watch chain 6 and the protective resin shell 9 are installed on the lead plug 3 to form a complete plug head, and the protective resin shell 9 effectively ensures that the outgoing wire collides with metal chips and falls off when the lead plug 3 is installed.
Claims (3)
1. The utility model provides a gentle straight transformer plug-in valve side pin connection structure which characterized in that: the lead wire side sleeve comprises a lead wire side sleeve (1), a sleeve side sleeve (2), a lead wire plug (3), a conductive watch chain (4), a support rod (5), a plug head conductive watch chain (6) and a sleeve (7); the lead plug (3) is provided with a plug head conductive watch chain (6), and the plug head conductive watch chain (6) is inserted into the lead side sleeve (1) and matched with the lead side sleeve; a conductive watch chain (4) is arranged on the plug of the sleeve (7), and the conductive watch chain (4) is inserted into the sleeve (2) at the side of the sleeve and matched with the sleeve; the lead side sleeve (1) and the sleeve side sleeve (2) are metal sleeves, the lead side sleeve (1) is connected with the sleeve side sleeve (2) through a plurality of cables, and the lead side sleeve (1) and the sleeve side sleeve (2) are positioned through a support rod (5); the lead plug (3) is connected with the sleeve (7) through the lead side sleeve (1), the sleeve side sleeve (2) and the cable; the conductive watch chain (4) and the plug head conductive watch chain (6) are the same in structure, are multi-channel annular protrusions and are used for being connected with the sleeve side sleeve (2) and the lead side sleeve (1).
2. The pluggable valve-side lead connection structure of a flexible-direct transformer according to claim 1, wherein: one end of the lead plug (3) is connected with a transformer winding through a lead (10), the other end of the lead plug is provided with a protective resin shell (9), and the protective resin shell (9) is fixed at the top end of the lead plug (3) through a screw (8).
3. The pluggable valve-side lead connection structure of a flexible-direct transformer according to claim 1 or 2, wherein: the conductive watch chain (4) and the plug-pull head conductive watch chain (6) are made of elastic metal materials; and annular grooves (11) matched with the conductive watch chain (4) and the plug-pull head conductive watch chain (6) are respectively arranged in the sleeve side sleeve (2) and the lead side sleeve (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021030716.3U CN211957405U (en) | 2020-06-08 | 2020-06-08 | Plug-in type valve side lead connecting structure of flexible direct transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021030716.3U CN211957405U (en) | 2020-06-08 | 2020-06-08 | Plug-in type valve side lead connecting structure of flexible direct transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211957405U true CN211957405U (en) | 2020-11-17 |
Family
ID=73172325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021030716.3U Active CN211957405U (en) | 2020-06-08 | 2020-06-08 | Plug-in type valve side lead connecting structure of flexible direct transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211957405U (en) |
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2020
- 2020-06-08 CN CN202021030716.3U patent/CN211957405U/en active Active
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