CN211016699U - Dry-type rectifier transformer for variable frequency speed regulation - Google Patents
Dry-type rectifier transformer for variable frequency speed regulation Download PDFInfo
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- CN211016699U CN211016699U CN201922060310.3U CN201922060310U CN211016699U CN 211016699 U CN211016699 U CN 211016699U CN 201922060310 U CN201922060310 U CN 201922060310U CN 211016699 U CN211016699 U CN 211016699U
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Abstract
The utility model discloses a dry-type rectifier transformer for variable frequency speed governing belongs to transformer technical field, and aim at provides a dry-type rectifier transformer for variable frequency speed governing, solves the poor problem of current dry-type rectifier transformer heat dispersion. The electric iron comprises a base, three groups of iron cores arranged side by side are installed on the base, a coil is sleeved on each iron core, a lower encapsulation insulating cylinder is half encapsulated by the coil, a connecting seat is further installed on the upper portion of the lower encapsulation insulating cylinder, an upper encapsulation insulating plate is arranged on the connecting seat, non-encapsulated interphase places between adjacent lower encapsulation insulating cylinders are fixed through clamping of insulating angle steel, the upper end of the insulating angle steel is connected with the connecting seat, the lower end of the insulating angle steel is connected with the base, and a plurality of supporting pieces are vertically installed between the base and the connecting seat. The utility model is suitable for a dry-type rectifier transformer.
Description
Technical Field
The utility model belongs to the technical field of the transformer, concretely relates to dry-type rectifier transformer for variable frequency speed governing.
Background
As is known, the current dry rectifier transformer is mainly used in an excitation system of a generator, a dc power grid of an electric locomotive in the electrochemical industry, a mine or a railway, and the like. With the rapid development of modern power electronic technology and microelectronic technology, the variable frequency speed regulation device is continuously mature, and the application field and range of the variable frequency speed regulation device are more and more extensive, so that the efficient and reasonable utilization of energy sources, especially electric energy, becomes possible. The variable frequency speed regulation is also listed as one of 10 resource saving comprehensive utilization technology improvement demonstration implemented by national key organization. It is a device which converts the industrial frequency power supply (50Hz or 60Hz) into AC power supply with various frequencies to realize the variable speed operation of the motor. The rectification circuit converts alternating current into direct current, the direct current intermediate current performs smooth filtering on the output of the rectification circuit, and the inverter circuit inverts the direct current into alternating current with controllable frequency and voltage. The dry rectifier transformer for frequency conversion and speed regulation is an important element in a frequency conversion and speed regulation device, and is a transformer widely applied to social production.
The existing dry-type rectifier transformer generally has the problem of poor heat dissipation performance, so that the performance and the service life of the transformer are greatly reduced, and meanwhile, certain potential safety hazards also exist. Therefore, how to solve the problem that the existing dry-type rectifier transformer is poor in heat dissipation performance has important research significance.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the utility model provides a dry-type rectifier transformer for Variable Frequency Speed Governing (VFSG), solves the poor problem of current dry-type rectifier transformer heat dispersion.
The utility model adopts the technical scheme as follows:
the utility model provides a dry-type rectifier transformer for variable frequency speed governing, the on-line screen storage device comprises a base, install three iron cores that set up side by side of group on the base, the cover is equipped with the coil on the iron core, the coil is half to be sealed has down and seals the insulating cylinder, seal insulating cylinder upper portion still and install the connecting seat down, be provided with on the connecting seat and seal the insulation board, it is all fixed through insulating angle steel centre gripping to seal alternate department that does not seal between the insulating cylinder under adjacent, insulating angle steel upper end is connected with the connecting seat, the insulating angle steel lower extreme is connected with the base.
Furthermore, a plurality of coil detection holes are formed in the lower encapsulation insulating cylinder.
Furthermore, the solenoid inspection hole includes two sets of sliding grooves symmetrically formed in the lower encapsulation insulating cylinder, an observation hole is formed between the sliding grooves, and a sliding plate is further arranged and fixed on the sliding grooves through insulating bolts and can slide along the height direction of the sliding grooves.
Furthermore, each group of lower encapsulation insulating cylinders is provided with three coil detection holes which are uniformly distributed along the height direction of the lower encapsulation insulating cylinders.
Further, the base and the connecting seat are coated with anticorrosive paint.
Further, the enclosure of the lower enclosure insulation cylinder is of a detachable structure.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, including the base, install the iron core that three groups set up side by side on the base, the cover is equipped with the coil on the iron core, and the coil is half to be sealed has down to seal the insulating cylinder, seals insulating cylinder upper portion down and still installs the connecting seat, is provided with on the connecting seat and seals the insulation board, and adjacent lower alternate department of sealing not sealing between the insulating cylinder is all fixed through the insulating angle steel centre gripping, and insulating angle steel upper end is connected with the connecting seat, and the insulating angle steel lower extreme is connected with the base, installs a plurality of support piece between base and the connecting. Through this setting, the lower insulating cylinder of encapsulating on the coil is half-encapsulated, the alternate department of coil does not encapsulate, the heat dispersion of coil has been promoted, it fixes through the alternate department installation insulating angle steel that does not encapsulate between the insulating cylinder to encapsulate under between the adjacent coil, the area of sheltering from to the coil has been reduced, the coil of being convenient for dispels the heat, support piece between base and the connecting seat is installed perpendicularly, the area of sheltering from to the coil has been reduced, easy circulation of air heat dissipation, the heat dispersion of coil has further been promoted, the poor problem of current dry rectifier transformer heat dispersion has been solved.
2. The utility model discloses in, a plurality of solenoid inspection holes have been seted up on encapsulating the insulating cylinder down. Through this setting, the solenoid inspection hole is convenient for the staff and is observed the coil, conveniently detects and maintains.
3. The utility model discloses in, solenoid inspection hole includes two sets of sliding trays that the symmetry was seted up on encapsulating the insulating cylinder down, has seted up the observation hole between the sliding tray, still is provided with the sliding plate, and the sliding plate passes through insulating bolt to be fixed on the sliding tray and can follow the sliding tray height direction and slide. Through this setting, when need not use the observation hole, the sliding plate shelters from the observation hole, can carry out dustproof protection to the coil. When the coil is detected and maintained by using the observation hole, the insulating bolt can be pushed to slide along the sliding groove, and then the sliding plate is driven to slide up and down, so that the observation hole is opened and closed, and the coil is convenient for workers to detect and maintain.
4. The utility model discloses in, three solenoid inspection hole has all been seted up to every group lower envelope insulating cylinder, and three solenoid inspection hole evenly arranges along lower envelope insulating cylinder direction of height. Through this setting, three solenoid inspection hole evenly distributed is sealed under on the insulating cylinder, and the staff of being convenient for detects and maintains the different positions of coil.
5. The utility model discloses in, the encapsulation of encapsulating the insulating cylinder down is detachable construction. Through this setting, be convenient for later stage product maintenance when maintaining coil inspect and clean.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a side view of the present invention;
fig. 3 is a top view of the present invention;
FIG. 4 is a schematic structural view of a coil inspection hole of the present invention;
the labels in the figure are: 1-base, 2-iron core, 3-coil, 4-lower encapsulated insulating cylinder, 5-connecting seat, 6-upper encapsulated insulating plate, 7-insulating angle steel, 8-insulating bolt, 9-supporting piece, 10-coil detecting hole, 101-sliding groove, 102-observing hole and 103-sliding plate.
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 for purposes of illustration only and are not intended to limit the invention.
The utility model provides a dry-type rectifier transformer for variable frequency speed governing, the on-line screen storage device comprises a base, install three iron cores that set up side by side of group on the base, the cover is equipped with the coil on the iron core, the coil is half to be sealed has down and seals the insulating cylinder, seal insulating cylinder upper portion still and install the connecting seat down, be provided with on the connecting seat and seal the insulation board, it is all fixed through insulating angle steel centre gripping to seal alternate department that does not seal between the insulating cylinder under adjacent, insulating angle steel upper end is connected with the connecting seat, the insulating angle steel lower extreme is connected with the base.
Furthermore, a plurality of coil detection holes are formed in the lower encapsulation insulating cylinder.
Furthermore, the solenoid inspection hole includes two sets of sliding grooves symmetrically formed in the lower encapsulation insulating cylinder, an observation hole is formed between the sliding grooves, and a sliding plate is further arranged and fixed on the sliding grooves through insulating bolts and can slide along the height direction of the sliding grooves.
Furthermore, each group of lower encapsulation insulating cylinders is provided with three coil detection holes which are uniformly distributed along the height direction of the lower encapsulation insulating cylinders.
Further, the base and the connecting seat are coated with anticorrosive paint.
Further, the enclosure of the lower enclosure insulation cylinder is of a detachable structure.
The utility model discloses in the implementation process, the lower insulating cylinder of encapsulating on the coil is half-sealed, the alternate department of coil does not encapsulate, the heat dispersion of coil has been promoted, it fixes through the alternate department installation insulating angle steel of encapsulating not encapsulating between the insulating cylinder under between the adjacent coil, the area of sheltering from to the coil has been reduced, the coil of being convenient for dispels the heat, support piece perpendicular installation between base and the connecting seat, the area of sheltering from to the coil has been reduced, easily circulation of air dispels the heat, the heat dispersion of coil has further been promoted, the poor problem of current dry-type rectifier transformer heat dispersion has been solved.
The lower packaging insulation cylinder is provided with a plurality of solenoid detection holes. Through this setting, the solenoid inspection hole is convenient for the staff and is observed the coil, conveniently detects and maintains.
The solenoid inspection hole includes two sets of sliding grooves symmetrically formed in the lower encapsulation insulating cylinder, an observation hole is formed between the sliding grooves, and a sliding plate is further arranged and fixed on the sliding grooves through insulating bolts and can slide along the height direction of the sliding grooves. Through this setting, when need not use the observation hole, the sliding plate shelters from the observation hole, can carry out dustproof protection to the coil. When the coil is detected and maintained by using the observation hole, the insulating bolt can be pushed to slide along the sliding groove, and then the sliding plate is driven to slide up and down, so that the observation hole is opened and closed, and the coil is convenient for workers to detect and maintain.
Each group of lower encapsulation insulating cylinders is provided with three coil detection holes which are uniformly distributed along the height direction of the lower encapsulation insulating cylinders. Through this setting, three solenoid inspection hole evenly distributed is sealed under on the insulating cylinder, and the staff of being convenient for detects and maintains the different positions of coil.
The base and the connecting seat are coated with anti-corrosion coating.
The lower packaging insulation cylinder is packaged into a detachable structure. Through this setting, be convenient for later stage product maintenance when maintaining coil inspect and clean.
Example 1
The utility model provides a dry-type rectifier transformer for variable frequency speed governing, the on-line screen storage device comprises a base, install three iron cores that set up side by side of group on the base, the cover is equipped with the coil on the iron core, the coil is half to be sealed has down and seals the insulating cylinder, seal insulating cylinder upper portion still and install the connecting seat down, be provided with on the connecting seat and seal the insulation board, it is all fixed through insulating angle steel centre gripping to seal alternate department that does not seal between the insulating cylinder under adjacent, insulating angle steel upper end is connected with the connecting seat, the insulating angle steel lower extreme is connected with the base. Through this setting, the lower insulating cylinder of encapsulating on the coil is half-encapsulated, the alternate department of coil does not encapsulate, the heat dispersion of coil has been promoted, it fixes through the alternate department installation insulating angle steel that does not encapsulate between the insulating cylinder to encapsulate under between the adjacent coil, the area of sheltering from to the coil has been reduced, the coil of being convenient for dispels the heat, support piece between base and the connecting seat is installed perpendicularly, the area of sheltering from to the coil has been reduced, easy circulation of air heat dissipation, the heat dispersion of coil has further been promoted, the poor problem of current dry rectifier transformer heat dispersion has been solved.
Example 2
On the basis of the embodiment 1, a plurality of coil detection holes are formed in the lower encapsulation insulating cylinder. Through this setting, the solenoid inspection hole is convenient for the staff and is observed the coil, conveniently detects and maintains.
Example 3
On the basis of the embodiment, the coil detection hole comprises two groups of sliding grooves symmetrically formed in the lower encapsulation insulating cylinder, an observation hole is formed between the sliding grooves, and the coil detection hole is further provided with a sliding plate which is fixed on the sliding grooves through insulating bolts and can slide along the height direction of the sliding grooves. Through this setting, when need not use the observation hole, the sliding plate shelters from the observation hole, can carry out dustproof protection to the coil. When the coil is detected and maintained by using the observation hole, the insulating bolt can be pushed to slide along the sliding groove, and then the sliding plate is driven to slide up and down, so that the observation hole is opened and closed, and the coil is convenient for workers to detect and maintain.
Example 4
On the basis of the embodiment, each group of lower encapsulation insulating cylinders is provided with three coil detection holes, and the three coil detection holes are uniformly distributed along the height direction of the lower encapsulation insulating cylinders. Through this setting, three solenoid inspection hole evenly distributed is sealed under on the insulating cylinder, and the staff of being convenient for detects and maintains the different positions of coil.
Example 5
On the basis of the embodiment, the base and the connecting seat are coated with anticorrosive paint.
Example 6
On the basis of the above embodiment, the enclosure of the lower enclosing insulating cylinder is a detachable structure. Through this setting, be convenient for later stage product maintenance when maintaining coil inspect and clean.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a dry-type rectifier transformer for variable frequency speed governing, a serial communication port, including base (1), install three iron core (2) that set up side by side of group on base (1), the cover is equipped with coil (3) on iron core (2), coil (3) half envelope have down envelope insulation cylinder (4), envelope insulation cylinder (4) upper portion still installs connecting seat (5) down, be provided with on connecting seat (5) and envelope insulation board (6), it is fixed all through insulating angle steel (7) centre gripping to encapsulate alternate department that does not encapsulate between insulation cylinder (4) under adjacent, insulating angle steel (7) upper end is connected with connecting seat (5), insulating angle steel (7) lower extreme is connected with base (1), install a plurality of support piece (9) for the horizontal plane is perpendicular between base (1) and connecting seat (5).
2. The dry-type rectifier transformer for variable frequency speed regulation according to claim 1, wherein the lower encapsulating insulating cylinder (4) is provided with a plurality of coil detection holes (10).
3. The dry-type rectifier transformer for variable frequency speed regulation according to claim 2, wherein the coil detection hole (10) comprises two sets of sliding grooves (101) symmetrically formed in the lower encapsulating insulating cylinder (4), an observation hole (102) is formed between the sliding grooves (101), and a sliding plate (103) is further arranged, and the sliding plate (103) is fixed on the sliding grooves (101) through insulating bolts (8) and can slide along the height direction of the sliding grooves (101).
4. The dry-type rectifier transformer for variable frequency speed regulation according to claim 3, wherein each group of lower encapsulating insulating cylinders (4) is provided with three coil detection holes (10), and the three coil detection holes (10) are uniformly distributed along the height direction of the lower encapsulating insulating cylinder (4).
5. The dry-type rectifier transformer for variable frequency speed regulation according to claim 1, wherein the base (1) and the connecting seat (5) are coated with an anticorrosive paint.
6. A dry-type rectifier transformer for variable frequency speed regulation according to claim 1, wherein the enclosure of said lower enclosure insulating cylinder (4) is of a detachable construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922060310.3U CN211016699U (en) | 2019-11-26 | 2019-11-26 | Dry-type rectifier transformer for variable frequency speed regulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922060310.3U CN211016699U (en) | 2019-11-26 | 2019-11-26 | Dry-type rectifier transformer for variable frequency speed regulation |
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| CN211016699U true CN211016699U (en) | 2020-07-14 |
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| CN201922060310.3U Active CN211016699U (en) | 2019-11-26 | 2019-11-26 | Dry-type rectifier transformer for variable frequency speed regulation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112599331A (en) * | 2020-11-24 | 2021-04-02 | 四川特种变压器厂 | Transformer convenient to external cable |
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2019
- 2019-11-26 CN CN201922060310.3U patent/CN211016699U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112599331A (en) * | 2020-11-24 | 2021-04-02 | 四川特种变压器厂 | Transformer convenient to external cable |
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