CN211320821U - Lead wire high temperature resistant sealing device - Google Patents

Lead wire high temperature resistant sealing device Download PDF

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Publication number
CN211320821U
CN211320821U CN201922367956.6U CN201922367956U CN211320821U CN 211320821 U CN211320821 U CN 211320821U CN 201922367956 U CN201922367956 U CN 201922367956U CN 211320821 U CN211320821 U CN 211320821U
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CN
China
Prior art keywords
casing pipe
steel casing
lead wire
high temperature
lead
Prior art date
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Active
Application number
CN201922367956.6U
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Chinese (zh)
Inventor
夏玉珏
李健
许超
李悦悦
于海平
王晓娜
夏春勇
赵璐
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Shenyang Power Supply Co of State Grid Liaoning Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Shenyang Power Supply Co of State Grid Liaoning Electric Power Co Ltd
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Application filed by State Grid Corp of China SGCC, Shenyang Power Supply Co of State Grid Liaoning Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201922367956.6U priority Critical patent/CN211320821U/en
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Publication of CN211320821U publication Critical patent/CN211320821U/en
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Abstract

The utility model provides a lead wire high temperature resistant sealing device, include: lead wire, steel casing pipe, isolator, mica insulation lid and vacuum tube, wherein, the steel casing pipe is inside for the vacuum and be equipped with the vacuum tube below the shaft of a tube, and the steel casing pipe both ends are equipped with the mica insulation lid that is used for sealing, and the power lead wire passes inside mica insulation lid and the steel casing pipe, and the steel casing pipe passes the isolator, the isolator divide into both sides with the steel casing pipe, and half steel casing pipe is in the normal atmospheric temperature side, and half steel casing pipe is in the high temperature side, and in steel casing pipe high temperature side one end, the lead wire passes mica insulation lid department and is equipped with. The device adopts the lead wire and is equipped with insulation sleeve's insulating sealed structure when being connected with the heat accumulator, can work under high temperature environment stably.

Description

Lead wire high temperature resistant sealing device
Technical Field
The utility model relates to a high temperature lead wire seals technical field, especially relates to a lead wire high temperature resistant sealing device.
Background
The high-temperature lead wire of the large-capacity solid heat storage device is extremely easy to oxidize and corrode in a high-temperature state and a traditional copper conductor, the resistance of materials such as stainless steel is too large, and in order to ensure long-term reliable operation of electrode materials in the high-temperature state, the electrode materials and the connection mode of the electrode materials on the high-temperature side need to adopt special design structures. The existing high-temperature lead adopts the filling material in the lead tube to isolate heat, in a high-temperature environment, the filling material cannot isolate and last high temperature, the lead in the lead tube is easily damaged, and the lead is replaced or maintained and needs to be taken out of the built-in filling material to replace the lead extremely difficultly.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a lead wire high temperature resistant sealing device provides effective, reliable support for lead wire operation and maintenance.
The utility model provides a technical scheme is: a high temperature resistant seal for a lead, comprising: lead wire, steel casing pipe, isolator, mica insulation lid and vacuum tube, wherein, the steel casing pipe is inside for the vacuum and be equipped with the vacuum tube below the shaft of a tube, and the steel casing pipe both ends are equipped with the mica insulation lid that is used for sealing, and the power lead wire passes inside mica insulation lid and the steel casing pipe, and the steel casing pipe passes the isolator, the isolator divide into both sides with the steel casing pipe, and half steel casing pipe is in the normal atmospheric temperature side, and half steel casing pipe is in the high temperature side, and in steel casing pipe high temperature side one end, the lead wire passes mica insulation lid department and is equipped with.
Further preferably, the outer wall of the steel sleeve is of a metal corrugated steel structure.
Preferably, the two ends of the steel sleeve are provided with threads, the mica insulation cover is also internally provided with threads, and the mica insulation cover is sealed on the steel sleeve through rotation.
Preferably, the lead extending from the normal temperature side is wrapped by a self-curing insulating wrapping tape, and the lead extending from the high temperature side is wrapped by a high temperature insulating adhesive.
More preferably, the inner diameter of the steel sleeve is less than or equal to 100mm, the thickness of the steel sleeve is 5mm, and the length of the steel sleeve is 2000 mm.
Further preferably, the steel sleeve penetrates through the insulator, and a high-temperature insulating ring is arranged at the penetrating position.
The utility model provides a lead wire high temperature resistant sealing device, the device adopt the lead wire to be equipped with insulation support's insulating close seal structure when being connected with the heat accumulator, the outer steel casing pipe of lead wire adopts vacuum structure's corrugated metal pipe, and this structure can be with the heat that the steel casing pipe accepted in the isolator more effectively to the heat dissipation through heat-radiating medium, utilizes heat-radiating medium and vacuum insulation characteristic reinforcing means to improve dielectric strength simultaneously, can stable work under high temperature environment.
Drawings
Fig. 1 is a side view structure block diagram provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, the utility model provides a lead wire high temperature resistant sealing device, include: lead wire 1, steel casing 2, isolator 3, mica insulation cover 4 and vacuum tube 5, wherein, steel casing 2 is inside to be the vacuum and be equipped with vacuum tube 5 below the shaft of pipe, can carry out the evacuation operation to the shaft of pipe through vacuum tube 5, and 2 both ends of steel casing are equipped with the mica insulation cover 4 that is used for sealing, and power lead wire 1 passes mica insulation cover 4 and steel casing 2 inside, and steel casing 2 passes isolator 3, isolator 3 divide into both sides with steel casing 2, and half steel casing 2 is in the normal atmospheric temperature side, and half steel casing 2 is in the high temperature side, and at 2 high temperature side one end of steel casing, the lead wire passes 4 departments of mica insulation cover and is equipped with high temperature insulation stopper 6.
As the improvement of the technical scheme, the outer wall of the steel sleeve 2 is of a metal corrugated steel structure, and the structure can more effectively dissipate heat received by the steel sleeve 2 in the insulator through a heat dissipation medium.
As the improvement of the technical scheme, threads are arranged at two ends of the steel sleeve 2, threads are also arranged in the mica insulation cover 4, and the mica insulation cover 4 is sealed on the steel sleeve 2 through rotation.
As an improvement of the technical scheme, the lead 1 extending out from the normal temperature side is wound and wrapped by using a self-curing insulating wrapping tape, and the lead extending out from the high temperature side is wound and wrapped by using high-temperature insulating glue.
As an improvement of the technical scheme, the inner diameter of the steel sleeve 2 is less than or equal to 100mm, the thickness is 5mm, and the length is 2000 mm.
As an improvement, the steel sleeve 2 penetrates through the isolation body 3, and a high-temperature insulating ring 7 is arranged at the penetrating position.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims (6)

1. A high temperature resistant seal for a lead, comprising: lead wire (1), steel casing pipe (2), isolator (3), mica insulation cover (4) and vacuum tube (5), wherein, inside being the vacuum and being equipped with vacuum tube (5) below the shaft of a tube of steel casing pipe (2), steel casing pipe (2) both ends are equipped with mica insulation cover (4) that are used for sealing, and power lead wire (1) passes inside mica insulation cover (4) and steel casing pipe (2), and steel casing pipe (2) pass isolator (3), isolator (3) divide into both sides steel casing pipe (2), and half steel casing pipe (2) are in the normal atmospheric temperature side, and half steel casing pipe (2) are in the high temperature side, and in steel casing pipe (2) high temperature side one end, the lead wire passes mica insulation cover (4) department and is equipped with high temperature insulation stopper (6).
2. The high-temperature-resistant sealing device for the lead wire according to claim 1, wherein the outer wall of the steel sleeve (2) is of a metal corrugated steel structure.
3. The lead high-temperature-resistant sealing device is characterized in that threads are arranged at two ends of the steel sleeve (2), threads are also arranged in the mica insulation cover (4), and the mica insulation cover (4) is sealed on the steel sleeve (2) through rotation.
4. The high-temperature-resistant lead sealing device according to claim 1, wherein the lead (1) extending from the normal temperature side is wrapped by winding a self-curing insulating tape, and the lead extending from the high temperature side is wrapped by winding a high-temperature insulating glue.
5. The high-temperature-resistant sealing device for the lead wire according to claim 1, characterized in that the inner diameter of the steel sleeve (2) is less than or equal to 100mm, the thickness is 5mm, and the length is 2000 mm.
6. A high-temperature-resistant sealing device for lead wires according to claim 1, characterized in that the steel sleeve (2) penetrates through the insulator (3) and is provided with a high-temperature insulating ring (7).
CN201922367956.6U 2019-12-25 2019-12-25 Lead wire high temperature resistant sealing device Active CN211320821U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922367956.6U CN211320821U (en) 2019-12-25 2019-12-25 Lead wire high temperature resistant sealing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922367956.6U CN211320821U (en) 2019-12-25 2019-12-25 Lead wire high temperature resistant sealing device

Publications (1)

Publication Number Publication Date
CN211320821U true CN211320821U (en) 2020-08-21

Family

ID=72053855

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922367956.6U Active CN211320821U (en) 2019-12-25 2019-12-25 Lead wire high temperature resistant sealing device

Country Status (1)

Country Link
CN (1) CN211320821U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110932204A (en) * 2019-12-25 2020-03-27 国网辽宁省电力有限公司沈阳供电公司 Lead wire high temperature resistant sealing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110932204A (en) * 2019-12-25 2020-03-27 国网辽宁省电力有限公司沈阳供电公司 Lead wire high temperature resistant sealing device

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