CN201307509Y - Indoor drying-type voltage mutual inductor for power car - Google Patents
Indoor drying-type voltage mutual inductor for power car Download PDFInfo
- Publication number
- CN201307509Y CN201307509Y CNU2008200148668U CN200820014866U CN201307509Y CN 201307509 Y CN201307509 Y CN 201307509Y CN U2008200148668 U CNU2008200148668 U CN U2008200148668U CN 200820014866 U CN200820014866 U CN 200820014866U CN 201307509 Y CN201307509 Y CN 201307509Y
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- voltage
- type voltage
- insulation body
- electric locomotive
- mutual inductor
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Abstract
The utility model relates to an indoor drying-type voltage mutual inductor for a power car, which adopts an integral structure which are formed by epoxy resin vacuum pouring and consists of an iron core, a primary winding, a secondary winding and a secondary junction box; the indoor drying-type voltage mutual inductor is integrally installed on a base with a hoisting ring, and a high-voltage insulation body with a primary junction terminator is provided with a plurality of umbrella skirts which are arranged in a tower shape from up to down; an attached umbrella skirt is arranged between a low-voltage insulation body for sealing the iron core and the high-voltage insulation body; a wire leading-out hole of the secondary junction box is designed to be the form which is provided with a waterproof cable connector. The indoor drying-type voltage mutual inductor for the power car can prevent the oil leakage, and has stable insulation, strong interference resistance and high measuring precision, and is completely closed, and resists moisture and water, and is free from maintenance, and has the advantages of small volume, convenient installation, high mechanical strength, wide application range, and the like.
Description
Technical field
The utility model relates to a kind of electric locomotive contact electric power system high-tension measurement or relay protection device, the indoor dry-type voltage inductor of specifically a kind of use for electric locomotive.
Background technology
The indoor dry-type voltage inductor of use for electric locomotive is a measuring voltage in the electric locomotive power supply system; the equipment of real-time monitoring or relaying protection; employed indoor voltage transformer adopts the voltage transformer of paper oil insulation and magnetic bottle insulation in the electric locomotive at present; all the time be in dynamic operation and frequent net voltage fluctuation environment during its work; seepage oil often appears in voltage transformer; poor anti jamming capability; certainty of measurement is poor; problems such as moisture absorption oil quality deterioration and insulation instability; need often safeguard and service work; also has Heavy Weight; volume is big; install inconvenient; useful life is low etc.; all the time being puzzlement electric locomotive maintainer's a difficult problem, also is the problem of the solution that presses in electric locomotive production domesticization and the electrified development.
The utility model content
At the indoor oil immersed type voltage transformer of electric locomotive in the prior art have that easy to leak oil, poor anti jamming capability, certainty of measurement are poor, the moisture absorption oil quality deterioration, insulation is unstable, certainty of measurement is poor, useful life is low, maintenance and repair and defective such as complexity is installed, the technical problems to be solved in the utility model provide a kind of non-maintaining, insulation is stable, precision is high, volume is little, the indoor voltage transformer of simple in structure, totally enclosed use for electric locomotive.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
The special-purpose indoor dry-type voltage inductor of a kind of electric locomotive of the utility model is for adopting epoxide resin vacuum to be cast for integral structure by iron core, winding, secondary winding and a secondary connection box, integral installation is on a base that has suspension ring, and the high voltage insulator that envelope is put the primary connection terminal is provided with the insulation full skirt that pagoda-shaped is arranged from top to bottom; Envelope is put between the low-voltage insulation body of iron core and the high voltage insulator and is provided with attached full skirt, and secondary connection box wire hole is designed to be equipped with the water-proof cable joint form.
Described attached full skirt distributes in low-voltage insulation body bilateral symmetry; The top of stating the low-voltage insulation body is truncated conical shape; The secondary connection box is positioned at the below of low-voltage insulation body; The wire hole water-proof cable joint of secondary connection box is positioned at two side positions.
The utlity model has following beneficial effect and advantage:
1. prevent oil seepage, insulation is stable, the utility model forms totally-enclosed dry construction by the epoxide resin vacuum cast, creepage distance is big, improve the stability of insulation greatly, thereby changed the indoor oil immersed type voltage transformer of present electric locomotive seepage oil, insulation is unstable, maintenance and repair is complicated, useful life is low present situation.
2. antijamming capability is strong, certainty of measurement is high, and product adopts to be optimized the electric field design and adopt the high-quality core material to make, and antijamming capability is strong, the certainty of measurement height.
3. totally-enclosed, moistureproof and waterproof, non-maintaining, can directly be installed in the electric locomotive interior distribution cabinet, one secondary coil has been adopted the epoxide resin material vacuum and has been watered and form full-closed structure, the secondary leading-out terminal adopts the water-proof cable joint design, waterproof and dampproof during use, exempt the work of periodic maintenance, simplify the maintenance, repair working strength;
Volume little, be convenient to install, the mechanical strength height: product adopts epoxy resin and silicon rubber compound inslation and into a single integrated structure, small product size is little, in light weight, can be installed in the electric locomotive power distribution cabinet flexibly, the mechanical strength height can guarantee effectively that product anti-vibrating and impact, fatigue strength in the electric locomotive dynamic running process are high;
5. applied widely.The utility model can be widely used in various model electric locomotives or newly design the model locomotive, satisfies the needs of the electrified development of electric locomotive.
Description of drawings
Fig. 1 is the utility model external structure front view;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the utility model internal structure schematic diagram.
Embodiment
Shown in Fig. 1～3, the utility model is by iron core 1, a winding 2, secondary winding 3 and secondary connection box 4 adopt epoxide resin vacuum to be cast for integral structure, this integral structure integral installation is on a square type base 5 that has suspension ring, the high voltage insulator 7 that envelope is put primary connection terminal 6 is provided with the insulation full skirt 8 that pagoda-shaped is arranged from top to bottom, design between the low-voltage insulation body 9 that envelope is put iron core and the high voltage insulator 7 attached full skirt 10 is arranged, the whole epoxide resin vacuum that adopts of the utility model is cast for integral structure, this integral structure integral installation has in a square type on the base 5 of suspension ring, and secondary connection box 4 wire holes are designed to be equipped with the form of water-proof cable joint 11.
Manufacturing process of the present utility model is as follows:
Secondary winding 3 and winding 2 are concentric to be sleeved on the core limb 1 after on the insulation framework, through being fixed in the casting mold after insulation and the buffering wrapping, with epoxide resin vacuum cast, behind overcuring, become a integral structure by primary connection terminal 6, High-Voltage Insulation post 7, insulation full skirt 8, low-voltage insulation body 9 and secondary connection box 4 thereupon.
The utility model is a kind of new product that designs according to national standard and railway standard fully; employing rolls iron core; utilize the electromagnetic conversion principle; make the secondary voltage situation of change of reflected measurement primary voltage exactly; be transferred to the secondary control device; product directly is installed in the electric locomotive circuit, uses as voltage measurement and relaying protection.Insulation is stable, antijamming capability is strong, certainty of measurement is high, moistureproof and waterproof, non-maintaining, volume is little, simple in structure, totally-enclosed, can improve the reliability of power supply greatly, can be widely used in various model electric locomotives or newly design the model locomotive, realize the electric sequencing of electric locomotive electrical system, standardization, no oiling, production domesticization.
Claims (5)
1. indoor dry-type voltage inductor of use for electric locomotive, for adopting epoxide resin vacuum to be cast for integral structure by iron core (1), a winding (2), secondary winding (3) and secondary connection box (4), integral installation is characterized in that on a base (5) that has suspension ring: the high voltage insulator (7) that envelope is put primary connection terminal (6) is provided with the insulation full skirt (8) that pagoda-shaped is arranged from top to bottom; Envelope is put between the low-voltage insulation body (9) of iron core and the high voltage insulator (7) and is provided with attached full skirt (10), and secondary connection box (4) wire hole is designed to be equipped with water-proof cable joint (11) form.
2, by the indoor dry-type voltage inductor of the described use for electric locomotive of claim 1, it is characterized in that: described attached full skirt (10) distributes in low-voltage insulation body (9) bilateral symmetry.
3, by the indoor dry-type voltage inductor of the described use for electric locomotive of claim 1, it is characterized in that: the top of described low-voltage insulation body (9) is truncated conical shape.
4, by the indoor dry-type voltage inductor of the described use for electric locomotive of claim 1, it is characterized in that: secondary connection box (4) is positioned at the below of low-voltage insulation body (9).
5, by the indoor dry-type voltage inductor of the described use for electric locomotive of claim 1, it is characterized in that: the wire hole water-proof cable joint (11) of secondary connection box (4) is positioned at both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200148668U CN201307509Y (en) | 2008-08-15 | 2008-08-15 | Indoor drying-type voltage mutual inductor for power car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200148668U CN201307509Y (en) | 2008-08-15 | 2008-08-15 | Indoor drying-type voltage mutual inductor for power car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201307509Y true CN201307509Y (en) | 2009-09-09 |
Family
ID=41099976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200148668U Expired - Lifetime CN201307509Y (en) | 2008-08-15 | 2008-08-15 | Indoor drying-type voltage mutual inductor for power car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201307509Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103065781A (en) * | 2013-01-28 | 2013-04-24 | 李丰良 | Mini voltage transformer |
-
2008
- 2008-08-15 CN CNU2008200148668U patent/CN201307509Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103065781A (en) * | 2013-01-28 | 2013-04-24 | 李丰良 | Mini voltage transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090909 |
|
| CX01 | Expiry of patent term |