CN102568781B - Transformer low-voltage side outgoing line-leading device - Google Patents
Transformer low-voltage side outgoing line-leading device Download PDFInfo
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- CN102568781B CN102568781B CN201210061984.5A CN201210061984A CN102568781B CN 102568781 B CN102568781 B CN 102568781B CN 201210061984 A CN201210061984 A CN 201210061984A CN 102568781 B CN102568781 B CN 102568781B
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- low
- separable connector
- sleeve pipe
- elbow
- voltage side
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Abstract
The invention discloses a transformer low-voltage side outgoing line-leading device which comprises an elbow-shaped separable connector, a static contact, a movable contact, a low-voltage lead sleeve, a fastening connector and a cable sealing sleeve, wherein the low-voltage lead sleeve is connected between the elbow-shaped separable connector and a transformer low-voltage side panel by the fastening connector, a conductive rod is arranged in the low-voltage lead sleeve; the static contact and the movable contact are packaged together by the elbow-shaped separable connector and are electrically connected, a tail part of the movable contact is inserted into the conductive rod, a tail part of the static contact is connected with a cable entering into the elbow-shaped separable connector; the cable sealing sleeve is arranged on the line inlet of the elbow-shaped separable connector and sleeved on the cable entering into the elbow-shaped separable connector. The elbow-shaped separable connector and the cable sealing sleeve are both made of insulation material.
Description
Technical field
The present invention relates to field transformer, in particular to a kind of transformer low-voltage side outgoing line-leading device.
Background technology
At present, the step down side outlet on market all adopts porcelain bushing, and porcelain bushing adopts ceramic material to make, cheap, but heavier, and the sleeve pipe of this form mainly contains following two large deficiencies:
1, electric connecting part is all in atmosphere exposed, do not realize all insulation, hermetically sealed, the area filthy seriously at some, weather conditions are severe, the easy Discharge Phenomena of electric connecting part, in long situation, moisture, moisture etc. also can enter into step down side fuel tank by porcelain bushing, cause the accident;
2, low-voltage side outlet form (being positioned at a plane with high-pressure side sleeve pipe) that level can only be taked to place vertically, the form of traverse (being positioned at different planes with high-pressure side) can not be adopted, because the words of traverse, transformer oil can be leaked by sleeve pipe, limits the design progress of transformer to a certain extent.
Summary of the invention
The invention provides a kind of transformer low-voltage side outgoing line-leading device, in order to overcome above-mentioned the deficiencies in the prior art.
For achieving the above object, the invention provides a kind of transformer low-voltage side outgoing line-leading device, it comprises: elbow separable connector, fixed contact, moving contact, low-voltage lead sleeve pipe, clamp connector and cable gland, wherein
Low-voltage lead sleeve pipe is connected between elbow separable connector and transformer low voltage side panel by clamp connector, is provided with conducting rod in low-voltage lead sleeve pipe;
Moving contact and fixed contact are bundled together by elbow separable connector, and moving contact is electrically connected with fixed contact, and the afterbody of moving contact inserts in conducting rod, and the afterbody of fixed contact is connected with the cable entering elbow separable connector;
Cable seal is set on the point of incoming cables of elbow separable connector, be enclosed within enter elbow separable connector cable on;
Wherein, elbow separable connector, cable gland are isolation material.
Preferably, clamp connector comprises clamp nut, platen and fastening bolt, in the junction of elbow separable connector and low-voltage lead sleeve pipe, elbow separable connector has the first boss and the first concave station, low-voltage lead sleeve pipe has the second boss and the 3rd boss, first concave station and the second boss are interlocked, platen is pressed on the 3rd boss, the external screw thread of clamp nut is formed with the internal thread of platen and is threaded, the plane contact of the plane of clamp nut and the first boss is compressed, fastening bolt is formed with the internal thread that transformer low voltage is surveyed on fuel tank panel through circular hole and is threaded, low-voltage lead sleeve pipe and transformer low voltage side panel are fixed.
Preferably, metallic gasket is provided with between clamp nut and the first boss.
Preferably, rubber washer is provided with between low-voltage lead sleeve pipe and transformer low voltage side panel.
Preferably, the profile of clamp nut is hexagon.
Preferably, the material of elbow separable connector is electrically insulating silicone rubber.
Preferably, the material of cable gland is electrically insulating silicone rubber.
Preferably, the material of low-voltage lead sleeve pipe is epoxy resin.
In the present embodiment, fastener is used for the connection of fastening low-voltage lead sleeve pipe and transformer, elbow separable connector and low-voltage lead device, ensure that electrical connection is fastening, elbow separable connector is for realizing the connection of cable and low-voltage lead sleeve pipe, and the sealing achieved long cable section of ingoing line afterbody, can prevent aqueous vapor, dust, moisture etc. from entering into step down side fuel tank, avoid causing the accident; And low-voltage side outlet can adopt the mode of traverse, expand the design progress of transformer.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the transformer low-voltage side outgoing line-leading device structural representation of one embodiment of the invention;
Fig. 2 is the elbow separable connector structural representation of one embodiment of the invention;
Fig. 3 is the cable gland structural representation of one embodiment of the invention;
Fig. 4 is the low-voltage lead sleeve structure schematic diagram of one embodiment of the invention;
Fig. 5 is the press plate structure schematic diagram of one embodiment of the invention;
Fig. 6 is the clamp nut structural representation of one embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not paying other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 is the transformer low-voltage side outgoing line-leading device structural representation of one embodiment of the invention; As shown in the figure, this transformer low-voltage side outgoing line-leading device comprises: elbow separable connector 3, fixed contact 2, moving contact 4, low-voltage lead sleeve pipe 5, clamp connector (not shown) and cable gland 1, wherein
Low-voltage lead sleeve pipe 5 is connected between elbow separable connector 3 and transformer low voltage side panel 12 by clamp connector, is provided with conducting rod in low-voltage lead sleeve pipe 5, and one end of low-voltage lead sleeve pipe 5 is placed in the low-pressure side fuel tank of transformer;
Moving contact 4 and fixed contact 2 are bundled together by elbow separable connector 3, and moving contact 4 is electrically connected with fixed contact 2, and the afterbody of moving contact 4 inserts in conducting rod, and the afterbody of fixed contact 2 is connected with the cable 11 entering elbow separable connector 3;
Cable gland 1 is arranged on the point of incoming cables of elbow separable connector 3, is enclosed within and enters on the cable 11 of elbow separable connector 3;
Wherein, elbow separable connector 3, cable gland 1 are isolation material.
In the present embodiment, fastener is used for the connection of fastening low-voltage lead sleeve pipe and transformer, elbow separable connector and low-voltage lead device, ensure that electrical connection is fastening, elbow separable connector is for realizing the connection of cable and low-voltage lead sleeve pipe, and the sealing achieved long cable section of ingoing line afterbody, can prevent aqueous vapor, dust, moisture etc. from entering into step down side fuel tank, avoid causing the accident; And low-voltage side outlet can adopt the mode of traverse, expand the design progress of transformer.
Fig. 2 is the elbow separable connector structural representation of one embodiment of the invention; In Fig. 2,23 for placing fixed contact region, and 24 for placing moving contact region, and in the junction of elbow separable connector and low-voltage lead sleeve pipe, elbow separable connector has the first boss 21 and the first concave station 22.Elbow separable connector can adopt electrically insulating silicone rubber material to make, and the moving contact connect conduction and fixed contact wrap up, and realize all insulation and hermetically sealed.
Fig. 3 is the cable gland structural representation of one embodiment of the invention; Adopt cable gland at the long cable section of ingoing line place (placing fixed contact region afterbody) of elbow separable connector, cable gland also can adopt electrically insulating silicone rubber material to make, and is enclosed within cable, realizes the insulation at long cable section of ingoing line place, sealing.
Fig. 4 is the low-voltage lead sleeve structure schematic diagram of one embodiment of the invention; In the junction of elbow separable connector and low-voltage lead sleeve pipe, low-voltage lead sleeve pipe has the second boss 31 and the 3rd boss 32; Conducting rod 33 is provided with in low-voltage lead sleeve pipe.The material of low-voltage lead sleeve pipe can be epoxy resin (in figure 34 materials being used to indicate low-voltage lead sleeve pipe).
Fig. 5 is the press plate structure schematic diagram of one embodiment of the invention; As shown in Figure 5, platen has internal thread 41, plane 43 and equally distributed 6 circular holes 42.
Fig. 6 is the clamp nut structural representation of one embodiment of the invention.As shown in the figure, clamp nut has external screw thread 51 and plane 52.
As shown above, clamp connector comprises clamp nut 6, platen and fastening bolt 10, first concave station 22 and the second boss 31 are interlocked, platen is pressed on the 3rd boss 33, the external screw thread 51 of clamp nut is formed with the internal thread 41 of platen and is threaded, the plane 43 of clamp nut and the plane contact of the first boss are compressed, fastening bolt is formed with the internal thread that transformer low voltage is surveyed on fuel tank panel through circular hole 42 and is threaded, and low-voltage lead sleeve pipe and transformer low voltage side panel is fixed.
Because rubber surface frictional force is large, easily damage when directly contacting fastening with metalwork, so placed a metallic gasket 7 (as shown in Figure 1) on the contact-making surface of clamp nut and the first boss.
As shown in Figure 1, rubber washer 9 is also provided with between low-voltage lead sleeve pipe and transformer low voltage side panel.
In addition, for the ease of using spanner to install, the profile of clamp nut is preferably hexagon.
Transformer low-voltage side outgoing line-leading device in above-described embodiment can be undertaken by following key step when mounted:
1, first low-voltage lead sleeve portion is installed, realizes fixing of low-voltage lead sleeve pipe and transformer panel with platen;
2, elbow separable connector part is installed, first clamp nut is inserted in elbow separable connector, then carries out the installation (comprising the installation of moving contact, fixed contact and cable gland) of cable section;
3, the elbow separable connector of installation in step 2 is connected with low-voltage lead sleeve pipe, (moving contact being inserted in the conducting rod in sleeve pipe) with spanner fastening clamp nut, both realizations fastening.
One of ordinary skill in the art will appreciate that: accompanying drawing is the schematic diagram of an embodiment, the module in accompanying drawing or flow process might not be that enforcement the present invention is necessary.
One of ordinary skill in the art will appreciate that: the module in the device in embodiment can describe according to embodiment and be distributed in the device of embodiment, also can carry out respective change and be arranged in the one or more devices being different from the present embodiment.The module of above-described embodiment can merge into a module, also can split into multiple submodule further.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in previous embodiment, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of embodiment of the present invention technical scheme.
Claims (7)
1. a transformer low-voltage side outgoing line-leading device, is characterized in that, comprising: elbow separable connector, fixed contact, moving contact, low-voltage lead sleeve pipe, clamp connector and cable gland, wherein
Described low-voltage lead sleeve pipe is connected between described elbow separable connector and transformer low voltage side panel by described clamp connector, is provided with conducting rod in described low-voltage lead sleeve pipe, and one end of low-voltage lead sleeve pipe is placed in the low-pressure side fuel tank of transformer;
Described moving contact and described fixed contact are bundled together by described elbow separable connector, described moving contact is electrically connected with described fixed contact, the afterbody of described moving contact inserts in described conducting rod, and the afterbody of described fixed contact is connected with the cable entering described elbow separable connector;
Described cable seal is set on the point of incoming cables of described elbow separable connector, be enclosed within enter described elbow separable connector cable on;
Wherein, described elbow separable connector, described cable gland are isolation material;
Described clamp connector comprises clamp nut, platen and fastening bolt, in the junction of described elbow separable connector and described low-voltage lead sleeve pipe, described elbow separable connector has the first boss and the first concave station, described low-voltage lead sleeve pipe has the second boss and the 3rd boss, described first concave station and described second boss are interlocked, described platen is pressed on described 3rd boss, the external screw thread of described clamp nut is formed with the internal thread of described platen and is threaded, the plane contact of the plane of described clamp nut and described first boss is compressed, described fastening bolt is formed with the internal thread on step down side fuel tank panel through circular hole and is threaded, described low-voltage lead sleeve pipe and transformer low voltage side panel are fixed.
2. transformer low-voltage side outgoing line-leading device according to claim 1, is characterized in that, is provided with metallic gasket between described clamp nut and described first boss.
3. transformer low-voltage side outgoing line-leading device according to claim 1, is characterized in that, is provided with rubber washer between described low-voltage lead sleeve pipe and transformer low voltage side panel.
4. transformer low-voltage side outgoing line-leading device according to claim 1, is characterized in that, the profile of described clamp nut is hexagon.
5. transformer low-voltage side outgoing line-leading device according to claim 1, is characterized in that, the material of described elbow separable connector is electrically insulating silicone rubber.
6. transformer low-voltage side outgoing line-leading device according to claim 1, is characterized in that, the material of described cable gland is electrically insulating silicone rubber.
7. transformer low-voltage side outgoing line-leading device according to claim 1, is characterized in that, the material of described low-voltage lead sleeve pipe is epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210061984.5A CN102568781B (en) | 2012-03-09 | 2012-03-09 | Transformer low-voltage side outgoing line-leading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210061984.5A CN102568781B (en) | 2012-03-09 | 2012-03-09 | Transformer low-voltage side outgoing line-leading device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102568781A CN102568781A (en) | 2012-07-11 |
| CN102568781B true CN102568781B (en) | 2015-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210061984.5A Active CN102568781B (en) | 2012-03-09 | 2012-03-09 | Transformer low-voltage side outgoing line-leading device |
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| CN (1) | CN102568781B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103413657B (en) * | 2013-08-23 | 2015-10-07 | 镇江天力变压器有限公司 | Underground transformer low-voltage lead hermetically-sealed construction |
| CN104377476B (en) * | 2014-11-29 | 2016-05-11 | 华北电力大学（保定） | Power transformer casing tap adaptor for connecting |
| CN106300226A (en) * | 2016-10-13 | 2017-01-04 | 常德天马电器股份有限公司 | The tangible cable connector device of high voltage side of transformer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2264956Y (en) * | 1996-12-30 | 1997-10-15 | 高洪敏 | Internal or external clamping transformer |
| CN2313275Y (en) * | 1997-10-27 | 1999-04-07 | 高洪敏 | Low-pressure sealing connector for transformer |
| US6031444A (en) * | 1998-03-25 | 2000-02-29 | Denso Corporation | Connector-integrated coil apparatus |
| CN101640111A (en) * | 2009-05-18 | 2010-02-03 | 杨新玉 | External outlet terminal of transformer shell |
| CN102176549A (en) * | 2010-12-30 | 2011-09-07 | 蔡彭博 | Transparent security box of cable intermediate head |
| CN102237183A (en) * | 2010-12-22 | 2011-11-09 | 保定天威集团有限公司 | Full-sealed side wire outlet type amorphous alloy transformer |
| CN202454408U (en) * | 2012-03-09 | 2012-09-26 | 北京芳远新合电器技术有限公司 | Device for guiding wire from low-voltage side of transformer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2482239Y (en) * | 2001-04-18 | 2002-03-13 | 深圳市惠程电气有限责任公司 | Cable connecting device for transformer |
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2012
- 2012-03-09 CN CN201210061984.5A patent/CN102568781B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2264956Y (en) * | 1996-12-30 | 1997-10-15 | 高洪敏 | Internal or external clamping transformer |
| CN2313275Y (en) * | 1997-10-27 | 1999-04-07 | 高洪敏 | Low-pressure sealing connector for transformer |
| US6031444A (en) * | 1998-03-25 | 2000-02-29 | Denso Corporation | Connector-integrated coil apparatus |
| CN101640111A (en) * | 2009-05-18 | 2010-02-03 | 杨新玉 | External outlet terminal of transformer shell |
| CN102237183A (en) * | 2010-12-22 | 2011-11-09 | 保定天威集团有限公司 | Full-sealed side wire outlet type amorphous alloy transformer |
| CN102176549A (en) * | 2010-12-30 | 2011-09-07 | 蔡彭博 | Transparent security box of cable intermediate head |
| CN202454408U (en) * | 2012-03-09 | 2012-09-26 | 北京芳远新合电器技术有限公司 | Device for guiding wire from low-voltage side of transformer |
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|---|---|
| CN102568781A (en) | 2012-07-11 |
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Address after: 100029 115, block a, building 7, yard 2, Shenggu Middle Road, andingmenwai, Chaoyang District, Beijing Patentee after: THE BEIJING FANYOO XINHE ELECTRICAL APPARATUS Co.,Ltd. Patentee after: Langfang Fangyuan Xinhe Electric Co.,Ltd. Patentee after: Wang Jianxin Patentee after: Yang Jinfei Address before: 100029 115, block a, building 7, yard 2, Shenggu Middle Road, andingmenwai, Chaoyang District, Beijing Patentee before: THE BEIJING FANYOO XINHE ELECTRICAL APPARATUS Co.,Ltd. Patentee before: LANGFANG FANGYUAN XINHE ELECTRIC Co.,Ltd. Patentee before: Wang Jianxin Patentee before: Yang Jinfei |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210713 Address after: 100081 South Building 406, 80 South Road, Haidian District College, Beijing Patentee after: THE BEIJING FANYOO XINHE ELECTRICAL APPARATUS Co.,Ltd. Patentee after: Langfang Fangyuan Xinhe Electric Co.,Ltd. Address before: 100029 115, block a, building 7, yard 2, Shenggu Middle Road, andingmenwai, Chaoyang District, Beijing Patentee before: THE BEIJING FANYOO XINHE ELECTRICAL APPARATUS Co.,Ltd. Patentee before: Langfang Fangyuan Xinhe Electric Co.,Ltd. Patentee before: Wang Jianxin Patentee before: Yang Jinfei |