CN102568781A - Transformer low-voltage side outgoing line-leading device - Google Patents
Transformer low-voltage side outgoing line-leading device Download PDFInfo
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- CN102568781A CN102568781A CN2012100619845A CN201210061984A CN102568781A CN 102568781 A CN102568781 A CN 102568781A CN 2012100619845 A CN2012100619845 A CN 2012100619845A CN 201210061984 A CN201210061984 A CN 201210061984A CN 102568781 A CN102568781 A CN 102568781A
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- elbow
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- separable connector
- sleeve pipe
- voltage lead
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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 step down side outlet thread guide devices.
Background technology
At present, porcelain bushing is all adopted in the step down side outlet on the market, and porcelain bushing adopts ceramic material to process, and is cheap, but relatively heavier, and the sleeve pipe of this form mainly contains following two big deficiencies:
1, electric connecting part all exposes in air; Do not realize all insulation, hermetically sealed, in some filthy serious, abominable areas of weather conditions; Electric discharge phenomena appear in electric connecting part easily; Under the situation, moisture, moisture etc. also possibly enter into the step down side fuel tank through porcelain bushing, causes the accident for a long time;
2, low-voltage side outlet can only be taked the form (being positioned at a plane with the high-pressure side sleeve pipe) that level is placed vertically; Can not adopt the form (being positioned at different plane) of traverse with the high-pressure side; Because the words of traverse; Transformer oil can leak through sleeve pipe, has limited the design progress of transformer to a certain extent.
Summary of the invention
The present invention provides a kind of step down side outlet thread guide devices, in order to overcome the deficiency that exists in the above-mentioned prior art.
For achieving the above object, the invention provides a kind of step down side outlet thread guide devices, it comprises: the separable connector of elbow, fixed contact, moving contact, low-voltage lead sleeve pipe, clamp connector and cable gland, wherein
The low-voltage lead sleeve pipe is connected between separable connector of elbow and the transformer low voltage side panel through clamp connector, is provided with conducting rod in the low-voltage lead sleeve pipe;
The separable connector of elbow is bundled together moving contact and fixed contact, and moving contact is electrically connected with fixed contact, and the afterbody of moving contact inserts in the conducting rod, and the afterbody of fixed contact is connected with the cable that gets into the separable connector of elbow;
Cable seal is set on the point of incoming cables of the separable connector of elbow, is enclosed within on the cable that gets into the separable connector of elbow;
Wherein, the separable connector of elbow, cable gland are the insulation material.
Preferable, clamp connector comprises clamp nut, platen and fastening bolt, in the junction of separable connector of elbow and low-voltage lead sleeve pipe; The separable connector of elbow has first boss and first concave station; The low-voltage lead sleeve pipe has second boss and the 3rd boss, and first concave station and second boss are interlocked, and platen is pressed on the 3rd boss; The external screw thread of clamp nut forms with the internal thread of platen and is threaded; The plane of clamp nut and the plane contact of first boss are compressed, and fastening bolt passes circular hole and is threaded with the internal thread formation that transformer low voltage is surveyed on the fuel tank panel, and low-voltage lead sleeve pipe and transformer low voltage side panel are fixed.
Preferable, be provided with metallic gasket between the clamp nut and first boss.
Preferable, be provided with rubber washer between low-voltage lead sleeve pipe and the transformer low voltage side panel.
Preferable, the profile of clamp nut is a hexagon.
Preferable, the material of the separable connector of elbow is an electrically insulating silicone rubber.
Preferable, the material of cable gland is an electrically insulating silicone rubber.
Preferable, the material of low-voltage lead sleeve pipe is an epoxy resin.
In the present embodiment; Fastener is used for fastening low-voltage lead sleeve pipe and is connected with the low-voltage lead device with transformer, the separable connector of elbow; Guaranteed to be electrically connected fastening, the separable connector of elbow is used to realize being connected of cable and low-voltage lead sleeve pipe, and has realized the sealing to the long cable section of ingoing line afterbody; Can prevent that aqueous vapor, dust, moisture etc. from entering into the step down side fuel tank, avoids causing the accident; And low-voltage side outlet can adopt the mode of traverse, expanded the design progress of transformer.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the step down side outlet thread guide devices structural representation of one embodiment of the invention;
Fig. 2 is the separable connector construction sketch map of the elbow 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 sketch map of one embodiment of the invention;
Fig. 5 is the platen structural representation of one embodiment of the invention;
Fig. 6 is the clamp nut structural representation of one embodiment of the invention.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not paying all other embodiment that obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Fig. 1 is the step down side outlet thread guide devices structural representation of one embodiment of the invention; As shown in the figure, this step down side outlet thread guide devices comprises: the separable connector of elbow 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 separable connector 3 of elbow and the transformer low voltage side panel 12 through clamp connector, is provided with conducting rod in the low-voltage lead sleeve pipe 5, and an end of low-voltage lead sleeve pipe 5 is placed in the low-pressure side fuel tank of transformer;
The separable connector 3 of elbow is bundled together moving contact 4 and fixed contact 2, and moving contact 4 is electrically connected with fixed contact 2, and the afterbody of moving contact 4 inserts in the conducting rod, and the afterbody of fixed contact 2 is connected with the cable 11 that gets into the separable connector 3 of elbow;
Wherein, the separable connector of elbow 3, cable gland 1 are the insulation material.
In the present embodiment; Fastener is used for fastening low-voltage lead sleeve pipe and is connected with the low-voltage lead device with transformer, the separable connector of elbow; Guaranteed to be electrically connected fastening, the separable connector of elbow is used to realize being connected of cable and low-voltage lead sleeve pipe, and has realized the sealing to the long cable section of ingoing line afterbody; Can prevent that aqueous vapor, dust, moisture etc. from entering into the step down side fuel tank, avoids causing the accident; And low-voltage side outlet can adopt the mode of traverse, expanded the design progress of transformer.
Fig. 2 is the separable connector construction sketch map of the elbow of one embodiment of the invention; 23 for placing the fixed contact zone among Fig. 2, and 24 for placing the moving contact zone, and in the junction of separable connector of elbow and low-voltage lead sleeve pipe, the separable connector of elbow has first boss 21 and first concave station 22.The separable connector of elbow can adopt the electrically insulating silicone rubber material to process, and moving contact and fixed contact that conduction is connected wrap up, and realizes 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 of the separable connector of elbow (placing fixed contact zone afterbody), cable gland also can adopt the electrically insulating silicone rubber material to process, and is enclosed within on the cable, realizes insulation, the sealing at long cable section of ingoing line place.
Fig. 4 is the low-voltage lead sleeve structure sketch map of one embodiment of the invention; In the junction of separable connector of elbow and low-voltage lead sleeve pipe, the low-voltage lead sleeve pipe has second boss 31 and the 3rd boss 32; Be provided with conducting rod 33 in the low-voltage lead sleeve pipe.The material of low-voltage lead sleeve pipe can be epoxy resin (among the figure 34 be used to indicate the low-voltage lead sleeve pipe material).
Fig. 5 is the platen structural representation 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 that clamp nut 6, platen and fastening bolt 10, the first concave stations 22 and second boss 31 are interlocked, and platen is pressed on the 3rd boss 33; The external screw thread 51 of clamp nut forms with the internal thread of platen 41 and is threaded; The plane 43 of clamp nut and the plane contact of first boss are compressed, and fastening bolt passes circular hole 42 and is threaded with the internal thread formation that transformer low voltage is surveyed on the fuel tank panel, and low-voltage lead sleeve pipe and transformer low voltage side panel are fixed.
Because rubber surface frictional force is big, directly contacts with metalwork and to damage easily when fastening, so on the contact-making surface of the clamp nut and first boss, placed a metallic gasket 7 (as shown in Figure 1).
As shown in Figure 1, also be provided with rubber washer 9 between low-voltage lead sleeve pipe and the transformer low voltage side panel.
In addition, install for the ease of using spanner, the profile of clamp nut is preferably hexagon.
Step down side outlet thread guide devices in the foregoing description can be undertaken by following key step when mounted:
1, the low-voltage lead sleeve portion is installed earlier, is realized the fixing of low-voltage lead sleeve pipe and transformer panel with platen;
2, the separable connector part of elbow is installed, earlier clamp nut is inserted in the separable connector of elbow, carry out the installation (comprising the installation of moving contact, fixed contact and cable gland) of cable section again;
3, the separable connector of the elbow of installation in the step 2 is connected with the low-voltage lead sleeve pipe, (moving contact is inserted in the conducting rod in the sleeve pipe) realized the fastening of the two with the fastening clamp nut of spanner.
One of ordinary skill in the art will appreciate that: accompanying drawing is the sketch map of an embodiment, and module in the accompanying drawing or flow process might not be that embodiment of the present invention is necessary.
One of ordinary skill in the art will appreciate that: the module in the device among the embodiment can be described 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 that are different from present embodiment.The module of the foregoing description can be merged into a module, also can further split into a plurality of submodules.
What should explain at last is: above embodiment is only in order to explaining technical scheme of the present invention, but not to its restriction; Although with reference to previous embodiment the present invention has been carried out detailed explanation, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that previous embodiment is put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of the essence disengaging embodiment of the invention technical scheme of relevant art scheme.
Claims (8)
1. a step down side outlet thread guide devices is characterized in that, comprising: the separable connector of elbow, fixed contact, moving contact, low-voltage lead sleeve pipe, clamp connector and cable gland, wherein
Said low-voltage lead sleeve pipe is connected between separable connector of said elbow and the transformer low voltage side panel through said clamp connector, is provided with conducting rod in the said low-voltage lead sleeve pipe;
The separable connector of said elbow is bundled together said moving contact and said fixed contact; Said moving contact is electrically connected with said fixed contact; The afterbody of said moving contact inserts in the said conducting rod, and the afterbody of said fixed contact is connected with the cable that gets into the separable connector of said elbow;
Said cable seal is set on the point of incoming cables of the separable connector of said elbow, is enclosed within on the cable that gets into the separable connector of said elbow;
Wherein, the separable connector of said elbow, said cable gland are the insulation material.
2. step down side outlet thread guide devices according to claim 1; It is characterized in that; Said clamp connector comprises clamp nut, platen and fastening bolt; In the junction of separable connector of said elbow and said low-voltage lead sleeve pipe, the separable connector of said elbow has first boss and first concave station, and said low-voltage lead sleeve pipe has second boss and the 3rd boss; Said first concave station and said second boss are interlocked; Said platen is pressed on said the 3rd boss, and the external screw thread of said clamp nut forms with the internal thread of said platen and is threaded, and the plane of said clamp nut and the plane contact of said first boss are compressed; Said fastening bolt passes circular hole and is threaded with the internal thread formation that transformer low voltage is surveyed on the fuel tank panel, and said low-voltage lead sleeve pipe and transformer low voltage side panel are fixed.
3. step down side outlet thread guide devices according to claim 2 is characterized in that, is provided with metallic gasket between said clamp nut and said first boss.
4. step down side outlet thread guide devices according to claim 2 is characterized in that, is provided with rubber washer between said low-voltage lead sleeve pipe and the transformer low voltage side panel.
5. step down side outlet thread guide devices according to claim 2 is characterized in that the profile of said clamp nut is a hexagon.
6. step down side outlet thread guide devices according to claim 1 is characterized in that the material of the separable connector of said elbow is an electrically insulating silicone rubber.
7. step down side outlet thread guide devices according to claim 1 is characterized in that the material of said cable gland is an electrically insulating silicone rubber.
8. step down side outlet thread guide devices according to claim 1 is characterized in that the material of said low-voltage lead sleeve pipe is an 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 true CN102568781A (en) | 2012-07-11 |
| CN102568781B CN102568781B (en) | 2015-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210061984.5A Active CN102568781B (en) | 2012-03-09 | 2012-03-09 | Transformer low-voltage side outgoing line-leading device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103413657A (en) * | 2013-08-23 | 2013-11-27 | 镇江天力变压器有限公司 | Low-voltage lead sealing structure of underground transformer |
| CN104377476A (en) * | 2014-11-29 | 2015-02-25 | 华北电力大学（保定） | Adapter for connection of power transformer bushing tap |
| CN106300226A (en) * | 2016-10-13 | 2017-01-04 | 常德天马电器股份有限公司 | Touchable cable joint device on high-voltage side of transformer |
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| 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 |
| 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 |
| 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 |
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2012
- 2012-03-09 CN CN201210061984.5A patent/CN102568781B/en active Active
Patent Citations (8)
| 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 |
| 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 |
| 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 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103413657A (en) * | 2013-08-23 | 2013-11-27 | 镇江天力变压器有限公司 | Low-voltage lead sealing structure of underground transformer |
| 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 |
| CN104377476A (en) * | 2014-11-29 | 2015-02-25 | 华北电力大学（保定） | Adapter for connection of power transformer bushing tap |
| 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 | Touchable cable joint device on high-voltage side of transformer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102568781B (en) | 2015-03-18 |
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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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| CP01 | Change in the name or title of a patent holder | ||
| 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 |
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| TR01 | Transfer of patent right |