CN202839248U

CN202839248U - Electric reactor

Info

Publication number: CN202839248U
Application number: CN 201220518598
Authority: CN
Inventors: 贺应华; 迟大恒
Original assignee: EVERCONTAINING ELECTRIC Co Ltd
Current assignee: QINGDAO HENGSHUN ZHONGSHENG GROUP CO,. LTD.
Priority date: 2012-10-10
Filing date: 2012-10-10
Publication date: 2013-03-27
Anticipated expiration: 2022-10-10

Abstract

The utility model discloses an electric reactor. The electric reactor comprises a plurality of packages and coils contained inside the packages, wherein the packages are concentrically arranged from the small diameter to the large diameter; a strand of conductive wire is wound to form each coil, and at least one layer of conductive wire is wound; and all the coils are connected with one another in series. According to the electric reactor, each strand of conductive wire is wound to form each coil, and all the coils are connected with one another in series, all the coils are formed by one strand of conductive wire in a wound mode equivalently, the number of conductive layers is increased, voltage borne by each layer of conductive wire is diminished under the same voltage, potential differences between adjacent conductive wire layers and between adjacent coils are small, the possibility of voltage puncture caused by the potential differences is reduced, and therefore puncture resistance of the electric reactor is improved.

Description

A kind of reactor

Technical field

The utility model relates to technical field of electricity, particularly a kind of reactor.

Background technology

Reactor in the power network be in fact one without the air core coil of permeability magnetic material, as depicted in figs. 1 and 2, reactor mainly comprises coil body 14, and broadcast TV programs by satellite frame 13 and the lower spider 12 of fixed coil body 14 are used for the first binding post 11 and second binding post 15 of connecting coil; Wherein coil body 14 comprises and seals 141, is contained in the coils of sealing in 141, seals the air flue 143 between 141, connects respectively to seal 141 pulling bar 142 etc.

Wherein, the groundwork of reactor partly is the coil that is formed by the wire coiling, and coiling and the wiring construction of two kinds of reactor windings arranged in the market:

A kind of is full parallel-connection structure, and as shown in Figure 3, each layer conductor of namely sealing the coil 23 in 22 connects with the form of parallel connection, also adopts parallel-connection structure between respectively sealing 22 simultaneously.Although the ability that the reactor reactance voltage of full parallel-connection structure punctures is strong, quality is more stable, but, when requiring reactor that higher reactance value is arranged, then the number of turn of the coil 23 of reactor can increase, and causes coil 23 highly very high, when highly surpassing certain altitude, the manufacturing of reactor and transportation can be very difficult, even sometimes can't create.

Another kind is after going here and there first and structure, and as shown in Figure 4, the coil 33 of namely sealing in 32 is by the wire continuous coiling, and adopts parallel-connection structure between respectively sealing 32.The reactor of the rear also structure of string is when reactance value is higher first; coil 33 numbers of turn will lack than full parallel-connection structure of required coiling; thereby reduced the height of coil 33; make and transport than being easier to; solved the problem of full parallel-connection structure reactor; but go here and there first the rear also reactor of structure; seal and have larger potential difference between coil 33 each layer conductor in 32; the hidden danger that easy puncture is then arranged; and two adjacent also exists potential difference between sealing 32; although air flue protection is arranged, for make all seal 32 one-tenth as a whole, place a lot of pulling bars at air flue; voltage easily punctures coil 33 along the pulling bar; being used in addition fixedly sealing 32 star frame 31 is conductors, can and seal between the wire in 32 to puncture, so the impact resistance of the rear also structure reactor of string is poor first.

In sum, reactance value is higher but can not make under the prerequisite of reactor excessive height having solved, and how to strengthen the breakdown characteristics of reactor, is those skilled in the art's problem demanding prompt solutions.

The utility model content

In view of this, the purpose of this utility model is to provide a kind of reactor, to strengthen the breakdown characteristics of reactor.

For the utility model that achieves the above object provides following technical scheme:

A kind of reactor comprises sealing that several diameters are ascending and arrange with one heart, and is contained in the coil in described the sealing;

Described coil forms by one wire continuous coiling, and coiling one layer conductor at least;

Be connected in series successively between each described coil.

Preferably, in the above-mentioned reactor, described coil all turns to single layer coil.

Preferably, in the above-mentioned reactor, the fixing described star frame of sealing that is used for of described reactor is insulation star frame.

Preferably, in the above-mentioned reactor, described sealing by being connected with described star frame without the latitude adhesive tape.

Preferably, in the above-mentioned reactor, the described material of sealing is fiberglass reinforced plastics.

Preferably, in the above-mentioned reactor, the described material of sealing is epoxy resin cured product.

Preferably, in the above-mentioned reactor, described reactor is the open-core type reactor.

With respect to prior art, the beneficial effects of the utility model are:

In the reactor that the utility model provides, coil in respectively sealing is formed by one wire coiling, and be connected in series between each coil, so just being equivalent to all coils is only formed by one wire coiling, and then depress in same electrical, voltage is distributed on every layer conductor of coil, the potential difference between adjacent wire layers, the adjacent windings will than behind the first string and the potential difference of structure little a lot, therefore reduced to cause the possibility that punctures because potential difference exists, strengthened the breakdown characteristics of reactor.

Description of drawings

In order to be illustrated more clearly in the utility model embodiment or scheme of the prior art, the below will do simple the introduction to the accompanying drawing of describing required use in embodiment or the prior art, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those skilled in the art, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.

The structural representation of a kind of reactor that Fig. 1 provides for prior art;

Fig. 2 is the vertical view of Fig. 1;

The partial schematic sectional view of the full parallel-connection structure reactor that Fig. 3 provides for prior art;

The rear also partial schematic sectional view of structure reactor of first string that Fig. 4 provides for prior art;

The full cascaded structure reactor partial schematic sectional view that Fig. 5 provides for the utility model embodiment;

The structural representation of the full cascaded structure reactor that Fig. 6 provides for the utility model embodiment;

Fig. 7 is the vertical view of Fig. 6.

Among above-mentioned Fig. 1-Fig. 7: the first binding post 11, lower spider 12, the frame 13 of broadcasting TV programs by satellite, coil body 14, seal 141, pulling bar 142, air flue 143, the second binding post 15, seal 22, coil 23, star frame 31, seal 32, coil 33, star frame 41, the frame 411 of broadcasting TV programs by satellite, lower spider 412, center conductor frame, seal 42, coil 43, the first binding post 44, the second binding post 45.

Embodiment

The utility model provides a kind of reactor, and reactance value is higher but can not make under the prerequisite of reactor excessive height having solved, and has strengthened the breakdown characteristics of reactor.

Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is a part of embodiment of the present utility model, rather than whole embodiment.Based on embodiment of the present utility model, all other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work belong to the scope that the utility model is protected.

Please refer to Fig. 1-Fig. 7, the structural representation of the reactor that Fig. 1 provides for prior art; Fig. 2 is the vertical view of Fig. 1; The partial schematic sectional view of the full parallel-connection structure reactor that Fig. 3 provides for prior art; The rear also partial schematic sectional view of structure reactor of first string that Fig. 4 provides for prior art; The full cascaded structure reactor partial schematic sectional view that Fig. 5 provides for the utility model embodiment; The structural representation of the full cascaded structure reactor that Fig. 6 provides for the utility model embodiment; Fig. 7 is the vertical view of Fig. 6.

The reactor that the utility model embodiment provides, comprise by the coil body of sealing 42, coil 43, pulling bar and air flue etc. form, the star frame 41 that is used for the fixed coil body, be fixed on and be used for two binding posts of connecting coil 43 on the star frame 41, wherein, several are sealed 42 and arrange with one heart according to diameter is ascending, and by the pulling bar with all seal 42 couple together into as a whole; Each seals 42 interior accommodating coils 43;

Wherein, each coil 43 forms by one wire continuous coiling, can coiling one layer conductor, also can the coiling multi-layer conductor leads, and one wire can only have a wire, also can be by one synthetic wire of multiple conducting wires;

Be connected in series successively between each coil 43, be that starting of first coil 43 431 is connected with a binding post, the receipts of first coil 43 432 are connected with adjacent starting of coil 43, the like, to the last the receipts head of a coil 43 is connected with another binding post.

Adopt above-mentioned coil connecting structure to be equivalent to 43 of all coils and become a large coil that the wire number of plies is a lot of by one wire continuous coiling, this large coil only has one to start and a receipts head, such structure is so that the wire number of plies increase of series connection, under identical voltage, the voltage of distributing to every layer line circle is little, potential difference between the adjacent conductor layer is than string potential difference rear and structure is little a lot of first, the probability that the conductor layer that has reduced to cause greatly because of potential difference punctures, and the potential difference between the adjacent windings is also than string potential difference rear and structure is little first, reduce equally the probability that coil punctures, thereby improved the breakdown characteristics of reactor.

Above-mentioned coil winding construction is further optimized, each coil 43 all turns to a layer conductor, again each coil is connected in series successively, be first coiling first seal layer conductors in 42, and then then second of continuous coiling sealed 42 interior layer conductors, then the 3rd of continuous coiling sealed layer conductors in 42 again, the like, until around complete all seal the coil 43 of 42 individual layer wire.

Coil 43 purposes that adopt the individual layer wire are in order to improve the heat dispersion of coil, because coil 43 energisings can produce heats, heat accumulation can make coil 43 temperature raise, when temperature is higher than the temperature of restriction, easily coil 43 is burnt out, can't work, cause damage.Therefore the heat radiation of accelerating coil 43 is the key that addresses the above problem, adopt the coil 43 of individual layer wire effectively to solve this problem, in addition, seal for one and only have a layer conductor in 42, the phenomenon that the adjacent wire layers voltage breakdown can not occur has improved reactor and has resisted the ability of wearing.

Star frame 41 among the utility model embodiment is optimized for insulation star frame, if star frame 41 is conductors, star frame 41 and the puncture of sealing the wire in 42 then might occur, and respectively sealing wire exposed between 42 also might puncture with star frame 41, so insulation star frame has just been avoided this problem, has improved the breakdown characteristics of reactor.

The effect of star frame 41 fixedly seals 42 exactly, a kind of preferred version that the utility model embodiment provides is to adopt will to seal 42 without the latitude adhesive tape and be fixed on the star frame 41, being about to a end without the latitude adhesive tape is fixed on the hole of colluding groove or offering on the star frame 41, the other end is put into when uncured and is sealed 42 sealing 42, to be encapsulated 42 solidify after meaningless adhesive tape be fixed on and seal in 42; Certainly can also be other fixed form, such as: be riveted on the star frame 41 by the pulling bar in the air flue; In some cases, can also not use star frame 41, directly by the cast glass fibre reinforced plastics.

Sealing the 42 preferred fiberglass reinforced plastics that adopt, be commonly called as fiberglass, play insulation, resistant to elevated temperatures effect, can be other material in addition, such as ambroin etc.

Further optimizing, seal 42 material employing epoxy resin cured product, can also be organic toughened glass, phenolic fiberglass reinforced plastics etc. certainly.

The reactor that the utility model embodiment provides is the open-core type reactor, can be dry-type air-core reactor, also can be the oil immersed type air core reactor.

Such as Fig. 6-shown in Figure 7, the star frame 41 of the reactor that the utility model embodiment provides is divided into broadcast TV programs by satellite frame 411 and lower spider 412, the first binding post 44 is fixedly connected on the center conductor frame 413 of the frame 411 of broadcasting TV programs by satellite, perpendicular direction is in center conductor frame 413, the second binding post 45 is fixedly connected on the edge of lower spider 412, and direction is radially also protruding along lower spider 412.

To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model, in other embodiments realization.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims

1. reactor, comprise that several diameters are ascending and arrange with one heart seal (42), and be contained in the coil (43) in described the sealing (42);

It is characterized in that, described coil (43) forms by one wire continuous coiling, and coiling one layer conductor at least;

Be connected in series successively between each described coil (43).

2. described reactor according to claim 1 is characterized in that, described coil (43) all turns to single layer coil.

3. described reactor according to claim 1 is characterized in that, the star frame (41) that is used for fixing described sealing (42) of described reactor is insulation star frame.

4. described reactor according to claim 3 is characterized in that, described sealing (42) is by being connected with described star frame (41) without the latitude adhesive tape.

5. described reactor according to claim 1 is characterized in that, the material of described sealing (42) is fiberglass reinforced plastics.

6. described reactor according to claim 5 is characterized in that, the material of described sealing (42) is epoxy resin cured product.

7. described reactor according to claim 1 is characterized in that, described reactor is the open-core type reactor.