CN216487646U

CN216487646U - Spiral coil with unequal turn voltage regulation

Info

Publication number: CN216487646U
Application number: CN202123078860.1U
Authority: CN
Inventors: 刘波; 赵剑秀; 蒋怀邦
Original assignee: Tianwei Baobian Hefei Transformer Co ltd
Current assignee: Tianwei Baobian Hefei Transformer Co ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-05-10
Anticipated expiration: 2031-12-09

Abstract

The utility model relates to a power transformer technical field just discloses a spiral coil of circle pressure regulating that varies, including multiturn coil assembly, every circle coil assembly all includes first shunting section, third shunting section, fifth shunting section, seventh shunting section, second shunting section, fourth shunting section, sixth shunting section and eighth shunting section. This spiral coil of turn pressure regulating that varies can reduce tapping voltage than the deviation, and it is convenient to make, and the suitability with can be after the outer wall winding of coil former is good the coil, utilize to compress tightly the coil, increased the stability that the coil was placed.

Description

Spiral coil with unequal turn voltage regulation

Technical Field

The utility model relates to a power transformer technical field specifically is a spiral coil of circle pressure regulating varies.

Background

In a transformer, a coil is a main component for transferring and converting electromagnetic energy, and therefore, the structure of the coil is a key for affecting the performance of the transformer.

The power transformer adjusts voltage by changing the number of turns of the coil, and the voltage of each turn is different when the flux density is different, which may cause overlarge deviation of each tapping voltage ratio, so that a novel voltage adjusting mode needs to be provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a spiral coil of circle pressure regulating varies possesses and can reduce the tapping voltage than the deviation, and it is convenient to make, and the suitability advantage such as strong has solved power transformer and has come regulating voltage through changing the coil number of turns, and per turn voltage is different when different magnetic densities, probably leads to each tapping voltage to compare the too big problem of deviation.

(II) technical scheme

For realizing reducing the tapping voltage than the deviation, it is convenient to make, the strong purpose of suitability, the utility model provides a following technical scheme: the utility model provides a spiral coil of unequal turn pressure regulating, includes multiturn coil package, every turn coil package all includes first tapping section, third tapping section, fifth tapping section, seventh tapping section, second tapping section, fourth tapping section, sixth tapping section and eighth tapping section.

Preferably, the first tap section, the third tap section, the fifth tap section and the seventh tap section are wound by one turn more than the second tap section, the fourth tap section, the sixth tap section and the eighth tap section.

Preferably, the total number of turns of the coil assembly is constant.

Preferably, enameled wires are arranged outside the first tapping section, the third tapping section, the fifth tapping section, the seventh tapping section, the second tapping section, the fourth tapping section, the sixth tapping section and the eighth tapping section.

Preferably, the multi-turn coil group adopts a positive and negative regulation structure.

Preferably, coil assembly twines outside the coil former, the fixed cover of outer wall of coil former is equipped with two circle boards, two a plurality of connecting plates have all been placed to the lateral wall of circle board one side in opposite directions, two the equal fixedly connected with clamp plate of lateral wall of connecting plate one side in opposite directions, it is a plurality of connecting plate and circle board overcoat are equipped with two mutual articulated clamps, two the equal fixedly connected with backup pad of lateral wall of clamp, two the backup pad board overcoat is equipped with same draw runner, spacing hole has been seted up to the lateral wall of draw runner, spacing downthehole pegging graft has the spacer pin, two the card hole that matches each other with the spacer pin is all seted up to the lateral wall of backup pad, the one end fixedly connected with arm-tie that the spacing hole was stretched out to the spacer pin, the same spring of lateral wall fixedly connected with between draw arm-tie and the draw runner.

Preferably, the inner wall of the coil rack is fixedly connected with a fan.

Preferably, the side wall of the pressure plate is fixedly connected with a flexible pad.

Preferably, the side wall of the connecting plate is fixedly connected with a guide plate, and the side wall of the ring plate is provided with a plurality of guide grooves matched with the guide plate.

Preferably, the side wall of the pulling plate is fixedly connected with a pulling ring

(III) advantageous effects

Compared with the prior art, the utility model provides a spiral coil of circle pressure regulating varies possesses following beneficial effect:

1. the spiral coil with unequal turns for voltage regulation can reduce the deviation of the tapping voltage ratio, and has convenient manufacture and strong applicability.

2. This spiral coil of circle pressure regulating that varies through coil former, collar plate, connecting plate, clamp plate, backup pad, card frame, spacing hole, spacer pin, card hole, arm-tie, spring that set up, can utilize to compress tightly the coil after the outer wall winding of coil former has been good, has increased the stability that the coil was placed.

Drawings

Fig. 1 is a schematic diagram of a spiral coil structure with unequal turns for voltage regulation according to the present invention;

FIG. 2 is a schematic diagram of a spiral coil structure with equal turns for voltage regulation;

fig. 3 is a schematic diagram of a shape structure of a coil frame in a spiral coil with unequal turn voltage regulation according to the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3;

fig. 5 is the utility model provides a connection relation sketch map of clamp in spiral coil that varies circle pressure regulating.

In the figure: 1 first tapping section, 2 second tapping sections, 3 third tapping sections, 4 fourth tapping sections, 5 fifth tapping sections, 6 sixth tapping sections, 7 seventh tapping sections, 8 eighth tapping sections, 9 coil racks, 10 ring plates, 11 connecting plates, 12 pressing plates, 13 supporting plates, 14 clamping frames, 15 limiting holes, 16 limiting pins, 17 clamping holes, 18 pulling plates, 19 springs, 20 fans, 21 clamping rings, 22 flexible pads, 23 guide plates, 24 guide grooves and 25 pulling rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Embodiment 1 as shown in fig. 1, a spiral coil with unequal turns for voltage regulation comprises a multi-turn coil group, and is characterized in that: each turn of coil group comprises a first tapping section 1, a third tapping section 3, a fifth tapping section 5, a seventh tapping section 7, a second tapping section 2, a fourth tapping section 4, a sixth tapping section 6 and an eighth tapping section 8.

The first tap section 1, the third tap section 3, the fifth tap section 5 and the seventh tap section 7 are wound one more turn than the second tap section 2, the fourth tap section 4, the sixth tap section 6 and the eighth tap section 8.

The total number of turns of the multi-turn coil assembly is unchanged.

Enameled wires are arranged outside the first tapping section 1, the third tapping section 3, the fifth tapping section 5, the seventh tapping section 7, the second tapping section 2, the fourth tapping section 4, the sixth tapping section 6 and the eighth tapping section 8.

The multi-turn coil group adopts a positive and negative regulation structure.

If the first tapping section 1, the third tapping section 3, the fifth tapping section 5 and the seventh tapping section 7 need to be wound for 1 turn more, the 8 tapping sections are arranged in the sequence of the first tapping section 1, the third tapping section 3, the fifth tapping section 5, the seventh tapping section 7, the second tapping section 2, the fourth tapping section 4, the sixth tapping section 6 and the eighth tapping section 8 along the axial direction, all the tapping sections are wound for the same turn number firstly during winding, and then the upper first tapping section 1, the third tapping section 3, the fifth tapping section 5 and the seventh tapping section 7 are wound for 1 turn more.

Embodiment 2 is based on embodiment 1, as shown in fig. 1, if it is required that the first tap section 1, the third tap section 3, the fifth tap section 5, and the seventh tap section 7 are wound by 1 turn less, 8 tap sections are arranged in the order of the second tap section 2, the fourth tap section 4, the sixth tap section 6, the eighth tap section 8, the first tap section 1, the third tap section 3, the fifth tap section 5, and the seventh tap section 7 along the axial direction, when winding, all tap sections are wound by the same number of turns, and then the upper second tap section 2, the fourth tap section 4, the sixth tap section 6, and the eighth tap section 8 are wound by 1 turn more.

Coil assembly winding is outside coil former 9, the fixed cover of outer wall of coil former 9 is equipped with two collar plate 10, a plurality of connecting plates 11 have all been placed to the lateral wall of one side in opposite directions of two collar plate 10, the equal fixedly connected with clamp plate 12 of lateral wall of one side in opposite directions of two connecting plates 11, a plurality of connecting

plates

11 and 10 overcoat of collar plate are equipped with two mutual articulated clamps 21, the equal fixedly connected with backup pad 13 of lateral wall of two clamps 21, two 13 overcoat of backup pad are equipped with same draw frame 14, spacing hole 15 has been seted up to the lateral wall of draw frame 14, it has spacer pin 16 to peg graft in spacing hole 15, the card hole 17 that matches each other with spacer pin 16 is all seted up to the lateral wall of two backup pads 13, spacer pin 16 stretches out one end fixedly connected with arm-tie 18 of spacing hole 15, the same spring 19 of lateral wall fixedly connected with between arm-tie 18 and the draw frame 14.

The inner wall of the coil rack 9 is fixedly connected with a fan 20, and the heat radiation performance of the coil is improved.

The side wall of the pressing plate 12 is fixedly connected with a flexible pad 22, so that the damage of the insulating layer on the surface of the coil caused by the pressing plate 12 is avoided.

The lateral wall fixedly connected with deflector 23 of connecting plate 11, a plurality of guide ways 24 that match each other with deflector 23 have been seted up to the lateral wall of circle board 10, through mutually supporting of deflector 23 and guide ways 24, have increased the stability that connecting plate 11 and clamp plate 12 placed.

The side wall of the pulling plate 18 is fixedly connected with a pulling ring 25, so that the pulling plate 18 can be conveniently pulled.

In conclusion, the spiral coil with unequal turn voltage regulation has the advantages that the total number of turns of voltage regulation is unchanged, but each tapping voltage is changed, compared with the traditional equal turn voltage regulation, fine adjustment of each tapping voltage can be realized, the specific deviation of each tapping voltage is reduced, the manufacture is convenient, and the applicability is strong.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a spiral coil of not equalling a circle pressure regulating, includes multiturn coil group, its characterized in that: each turn of the coil assembly comprises a first tapping section (1), a third tapping section (3), a fifth tapping section (5), a seventh tapping section (7), a second tapping section (2), a fourth tapping section (4), a sixth tapping section (6) and an eighth tapping section (8).

2. The spiral coil with unequal turn voltage regulation according to claim 1, wherein: the number of turns of the first tapping section (1), the third tapping section (3), the fifth tapping section (5) and the seventh tapping section (7) is more than that of the second tapping section (2), the fourth tapping section (4), the sixth tapping section (6) and the eighth tapping section (8).

3. The spiral coil with unequal turn voltage regulation according to claim 1, wherein: the total number of turns of the multi-turn coil assembly is unchanged.

4. The spiral coil with unequal turn voltage regulation according to claim 1, wherein: the first tapping section (1), the third tapping section (3), the fifth tapping section (5), the seventh tapping section (7), the second tapping section (2), the fourth tapping section (4), the sixth tapping section (6) and the eighth tapping section (8) are all externally provided with enameled wires.

5. The spiral coil with unequal turn voltage regulation according to claim 1, wherein: and the multi-turn coil group adopts a positive and negative regulation structure.

6. The spiral coil with unequal turn voltage regulation according to claim 1, wherein: the coil assembly is wound outside a coil rack (9), two ring plates (10) are fixedly sleeved on the outer wall of the coil rack (9), a plurality of connecting plates (11) are respectively placed on the side walls of one opposite side of the ring plates (10), a pressing plate (12) is respectively fixedly connected with the side walls of one opposite side of the connecting plates (11), two mutually hinged clamps (21) are sleeved outside the connecting plates (11) and the ring plates (10), supporting plates (13) are respectively and fixedly connected with the side walls of the two clamps (21), the same clamping frame (14) is sleeved outside the two supporting plates (13), a limiting hole (15) is formed in the side wall of the clamping frame (14), a limiting pin (16) is inserted in the limiting hole (15), clamping holes (17) matched with the limiting pin (16) are formed in the side walls of the two supporting plates (13), and a pulling plate (18) is fixedly connected with one end, extending out of the limiting pin (16), of the limiting hole (15), the side wall between the pulling plate (18) and the clamping frame (14) is fixedly connected with the same spring (19).

7. The unequal-turn voltage regulation spiral coil according to claim 6, wherein: the inner wall of the coil rack (9) is fixedly connected with a fan (20).

8. The unequal-turn voltage regulating spiral coil according to claim 6, wherein: the side wall of the pressing plate (12) is fixedly connected with a flexible pad (22).

9. The unequal-turn voltage regulating spiral coil according to claim 6, wherein: the side wall of the connecting plate (11) is fixedly connected with a guide plate (23), and the side wall of the ring plate (10) is provided with a plurality of guide grooves (24) matched with the guide plate (23).

10. The unequal-turn voltage regulating spiral coil according to claim 6, wherein: the side wall of the pulling plate (18) is fixedly connected with a pulling ring (25).