CN201319287Y - Heavy-current hollow coil - Google Patents
Heavy-current hollow coil Download PDFInfo
- Publication number
- CN201319287Y CN201319287Y CNU2008201565023U CN200820156502U CN201319287Y CN 201319287 Y CN201319287 Y CN 201319287Y CN U2008201565023 U CNU2008201565023 U CN U2008201565023U CN 200820156502 U CN200820156502 U CN 200820156502U CN 201319287 Y CN201319287 Y CN 201319287Y
- Authority
- CN
- China
- Prior art keywords
- core coil
- coil
- current hollow
- electric connection
- connection board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to railway systems, in particular to a heavy-current hollow coil used on outdoor equipment for a frequency-shift automatic block system in a non-insulated track circuit. The heavy-current hollow coil is divided into an upper-layer coil and a lower-layer coil; coil bodies of the upper-layer coil and the lower-layer coil are connected through a central connection end; the winding directions of the upper-layer coil and the lower-layer coil are opposite; and an adjustable mica insulation sheet is arranged between the upper-layer coil and the lower-layer coil. The heavy-current hollow coil has the advantages of simple structure, convenient manufacture, convenient adjustment, large flow, convenience as well as practicability and little possibility of magnetic saturation, can respectively satisfy the requirements of equivalent resistance and equivalent inductance, and also has small size so as to satisfy the dimension requirement for field mounting.
Description
Technical field
The utility model relates to railway system's class, relates to be used for the big current hollow wire-core coil in the outdoor equipment in the non-insulated track circuit frequency-shift automatic blocking system concretely.
Background technology
In the prior art, be used for that the air core coil in the outdoor equipment mostly is sectional area 35mm in the non-insulated track circuit frequency-shift automatic blocking system
2～50mm
2Multiply circle copper conductor divides three layers of coiling to form, and in order to satisfy large traction electric current needs, improves system reliability, and needing to adopt sectional area is 75mm
2～100mm
2The coiling of multiply copper conductor, but adopt this mode not only to adjust difficulty, technical performance instability, be difficult to satisfy the requirement of equivalent resistance and equivalent inductance, and volume is bigger, can't satisfy on-the-spot installation dimension requirement.
Summary of the invention
The purpose of this utility model is according to above-mentioned the deficiencies in the prior art part, and a kind of big current hollow wire-core coil is provided, and it is 75mm that this air core coil not only can satisfy the air core coil sectional area
2～100mm
2Big electric current need, be convenient to adjust air core coil equivalent resistance and equivalent inductance, stable performance, and can satisfy on-the-spot mounting condition.
The technical scheme that the utility model adopted is:
A kind of big current hollow wire-core coil, it comprises two-layer up and down, the circle body of upper and lower layer line circle is connected by the center link, and the levels coil winding-direction is just in time opposite.
Be provided with between the levels coil in the described air core coil and can adjust mica insulation sheet.
The coiling material of described air core coil adopts the flat red copper row of outsourcing fiberglass insulation.
It also comprises box body, and the pressing plate that air core coil is fixed together with box body.
Described pressing plate adopts the lead bronze pressing plate.
Described connector has middle electric connection board and two ends, left and right sides electric connection board, lifts one's head to lift one's head with the side with the center of air core coil respectively to be connected.
Electric connection board and two ends, left and right sides electric connection board also are connected with electric connection board respectively in the middle of described, and this electric connection board one end stretches out box body.
The beneficial effects of the utility model are: simple in structure, volume is little, can install in existing box body, and coiling is convenient, is convenient to adjust, and electrical characteristic is equivalent to 35mm fully
2～50mm
2The air core coil of multiply copper conductor coiling, through-current capacity is big, and stable performance is difficult for magnetic saturation.
Description of drawings
Accompanying drawing 1 is an installation diagram of the present utility model;
Accompanying drawing 2 is the cutaway view of A-A direction among Fig. 1;
Accompanying drawing 3 is a structure vertical view of the present utility model;
Accompanying drawing 4 is a structure side view of the present utility model;
Accompanying drawing 5 is the utility model coiling schematic diagram of coil at the middle and upper levels;
Accompanying drawing 6 is the B-B cutaway view of accompanying drawing 5;
Accompanying drawing 7 is the end view of accompanying drawing 5;
Accompanying drawing 8 is the coiling schematic diagram of inner coil in the utility model;
Accompanying drawing 9 is the C-C cutaway view of accompanying drawing 8;
Accompanying drawing 10 is the end view of accompanying drawing 8.
Embodiment
1-10 is described further the utility model below in conjunction with accompanying drawing:
Shown in Fig. 1-10, label 1-9 represents respectively: upper coil 1, upper coil side lift one's head 101, the upper coil center lifts one's head 102, inner coil 2, inner coil side lift one's head 201, the inner coil center lifts one's head 202, center link 3, middle electric connection board 4, two ends, left and right sides electric connection board 5, can adjust mica insulation sheet 6, box body 7, pressing plate 8, electric connection board 9.
In the present embodiment, whole big current hollow wire-core coil divides upper and lower two-layer, i.e. upper coil 1 and inner coil 2, the coiling material of coil are flat red copper row, outsourcing ferry glass insulation layer; On the air core coil coil 1 around to for dextrorotation, air core coil lower coil 2 around to being derotation, the circle body of upper and lower layer line circle is connected by center link 3, link 3 usefulness fastening brass screw in air core coil center reliably connects upper and lower layer line circle electrical connector.Electrical connector in the present embodiment has middle electric connection board 4 and two ends, left and right sides electric connection board 5, lifts one's head with the center of air core coil respectively and 102,202 lifts one's head with the side and 101,201 to be connected by soldering.
Be provided with between the levels coil in the present embodiment and can adjust mica insulation sheet 6.The thickness that changes mica insulation sheet 6 can be adjusted the equivalent resistance and the equivalent inductance of air core coil, and the envelope area of adjusting upper and lower layer line circle can be adjusted the equivalent resistance and the equivalent inductance of air core coil.By above-mentioned adjustment, can be easier to realize equivalent resistance 18.5m Ω ± 5.5m Ω, the specification requirement of equivalent inductance 33.5 μ H ± 1 μ H.
Big current hollow wire-core coil in the present embodiment also comprises box body 7, and the pressing plate 8 that air core coil is fixed together with box body 7, wherein said pressing plate 8 adopts the lead bronze pressing plate, and the width that changes pressing plate 8 can suitably be adjusted the equivalent resistance and the equivalent inductance of air core coil.Its center platen is mounted on air core coil in the box body 7 with fastening brass screw.Electric connection board 4 and two ends, left and right sides electric connection board 5 also are connected with electric connection board 9 respectively in the middle of described in the present embodiment, and these electric connection board 9 one ends stretch out box body 7.
Claims (7)
1, a kind of big current hollow wire-core coil, it is two-layer up and down to it is characterized in that described air core coil comprises, and the circle body of upper and lower layer line circle is connected by the center link, and the levels coil winding-direction is just in time opposite.
2, big current hollow wire-core coil according to claim 1 is characterized in that being provided with between the levels coil in the described air core coil adjustable mica insulation sheet.
3, big current hollow wire-core coil according to claim 1 is characterized in that the circle body of described air core coil adopts the flat red copper of outsourcing fiberglass insulation to arrange.
4, big current hollow wire-core coil according to claim 1 is characterized in that also comprising box body, and the pressing plate that air core coil is fixed together with box body.
5, big current hollow wire-core coil according to claim 4 is characterized in that described pressing plate adopts the lead bronze pressing plate.
6, big current hollow wire-core coil according to claim 1, it is characterized in that described air core coil also be provided with in the middle of electric connection board and two ends, left and right sides electric connection board, lift one's head to lift one's head with the center of air core coil respectively and be connected with the side.
7, big current hollow wire-core coil according to claim 6 is characterized in that described middle electric connection board and two ends, left and right sides electric connection board also are connected with electric connection board respectively, and this electric connection board one end stretches out box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201565023U CN201319287Y (en) | 2008-12-03 | 2008-12-03 | Heavy-current hollow coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201565023U CN201319287Y (en) | 2008-12-03 | 2008-12-03 | Heavy-current hollow coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201319287Y true CN201319287Y (en) | 2009-09-30 |
Family
ID=41198049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201565023U Expired - Lifetime CN201319287Y (en) | 2008-12-03 | 2008-12-03 | Heavy-current hollow coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201319287Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108447665A (en) * | 2018-01-24 | 2018-08-24 | 北京金科华业测控技术有限公司 | A kind of controllable impedance device assembly and speaker |
| CN111383813A (en) * | 2018-12-27 | 2020-07-07 | 固安北信铁路信号有限公司 | High-current hollow coil for track circuit |
-
2008
- 2008-12-03 CN CNU2008201565023U patent/CN201319287Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108447665A (en) * | 2018-01-24 | 2018-08-24 | 北京金科华业测控技术有限公司 | A kind of controllable impedance device assembly and speaker |
| CN111383813A (en) * | 2018-12-27 | 2020-07-07 | 固安北信铁路信号有限公司 | High-current hollow coil for track circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANGHAI RAILWAY COMMUNICATION CO., LTD. Free format text: FORMER NAME: SHANGHAI RAILWAY COMMUNICATION FACTORY |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 200071 No. 489, Tibet North Road, Shanghai Patentee after: Shanghai Railway Communication Co., Ltd. Address before: 200071 No. 489, Tibet North Road, Shanghai Patentee before: Shanghai Railway Communication Factory |
|
| CX01 | Expiry of patent term |
Granted publication date: 20090930 |
|
| CX01 | Expiry of patent term |