CN217405252U - Reactance component, reactor and electrical equipment - Google Patents

Abstract

The utility model discloses a reactance component, a reactor and electrical equipment, wherein, the reactance component comprises a winding support and a reactance winding, a cavity is arranged in the winding support, a heat dissipation opening is arranged on the winding support, and the heat dissipation opening is communicated with the cavity; the reactance winding is wound on the winding support and is provided with a plurality of winding coils which are connected in sequence, a heat dissipation gap is formed between any two winding coils, and the heat dissipation gap is communicated with the cavity through a heat dissipation opening. A plurality of supporting pieces are convexly arranged on the surface of the winding support and are respectively inserted into the plurality of heat dissipation gaps. The utility model discloses technical scheme forms certain heat dissipation clearance simultaneously when reactance winding support through setting up the cavity in winding support inside, makes the heat dissipation clearance through heat dissipation opening intercommunication cavity, and then can effectively dispel the heat to the inside of reactance winding through heat dissipation clearance and cavity, has improved the radiating effect of reactance subassembly.

Description

Reactance assembly, reactor and electrical equipment

Technical Field

The utility model relates to a reactance equipment technical field, in particular to reactance subassembly, reactor and electrical equipment.

Background

In the existing electrical equipment, the reactor plays the roles of limiting short-circuit current, adjusting voltage, compensating power and the like, and the normal operation of the electrical equipment can be effectively guaranteed by arranging the reactor in the electrical equipment.

In the existing reactor, due to the processing characteristic of winding forming, adjacent turns of a reactor winding are mostly manufactured to be tight and seamless, so that inner side heat is unevenly gathered in the middle of the winding, and when the reactor runs for a long time or runs at high power, if the internal temperature of a winding coil exceeds the critical temperature of the winding coil and a magnetic core, failure is caused to occur to further influence the normal operation of the reactor.

The above is only for the purpose of assisting understanding of the technical solutions of the present invention, and does not represent an admission that the above is the prior art.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a reactance subassembly aims at improving reactance subassembly's radiating effect to and improve reactance subassembly's structural stability and reliability.

In order to achieve the above object, the reactance component provided by the present invention includes a winding support and a reactance winding, a cavity is formed in the winding support, a heat dissipation opening is formed in the winding support, and the heat dissipation opening is communicated with the cavity; the reactance winding twine in the winding support to be formed with a plurality of winding coils, it is a plurality of the winding coil connects gradually, arbitrary two be formed with the heat dissipation clearance between the winding coil, the heat dissipation clearance passes through heat dissipation opening intercommunication the cavity. The surface of the winding support is convexly provided with a plurality of supporting pieces, and the plurality of supporting pieces are respectively inserted into the plurality of heat dissipation gaps.

Optionally, the winding support is defined to have an extension direction, and the thickness of the support in the extension direction of the winding support is W, then the condition is satisfied: w is more than or equal to 0.5mm and less than or equal to 200 mm.

Optionally, a distance between any two adjacent supporting pieces along the extending direction of the winding support is defined as H, and then a condition is satisfied: h is more than or equal to 0.5mm and less than or equal to 200 mm.

Optionally, at least one of the supporting members is inserted into any one of the heat dissipation gaps, the winding support is defined to have a central axis, and the supporting members in any two adjacent heat dissipation gaps are symmetrically arranged with the central axis of the winding support as a symmetry center.

Optionally, the supporting members are arranged in parallel along the extending direction of the winding support and are disposed on the same side of the winding support.

Optionally, the reactance assembly further comprises a magnetic element, and the magnetic element is accommodated in the cavity.

Optionally, an installation opening is opened at one end of the winding support along the extending direction of the winding support, and the installation opening is communicated with the cavity. The reactance subassembly still includes the bedplate, the bedplate is connected the reactance winding to the shroud the installation opening, magnetic element's one end passes the installation opening butt in the bedplate.

Optionally, the seat plate is provided with an outlet, the reactance winding is provided with a connection terminal, and the connection terminal is sleeved on the outlet.

Optionally, the winding support is provided with a plurality of heat dissipation openings, and the plurality of heat dissipation openings are arranged at intervals. And/or the winding support and the plurality of supporting pieces are of an integrated structure.

The utility model also provides a reactor, a serial communication port, the reactor includes casing and reactance subassembly, the reactance unit mount in the casing. The reactance component comprises a winding support and a reactance winding, a cavity is formed in the winding support, a heat dissipation opening is formed in the winding support, and the heat dissipation opening is communicated with the cavity; the reactance winding twines in the winding support to be formed with a plurality of winding coils, a plurality of the winding coil connects gradually, arbitrary two be formed with the heat dissipation clearance between the winding coil, the heat dissipation clearance passes through heat dissipation opening intercommunication the cavity. The surface of the winding support is convexly provided with a plurality of supporting pieces, and the plurality of supporting pieces are respectively inserted into the plurality of heat dissipation gaps.

The utility model also provides an electrical equipment, electrical equipment includes organism and reactor, the reactor install in the organism. The reactor includes a case and a reactance component, the reactance component being mounted to the case. The reactance component comprises a winding support and a reactance winding, a cavity is formed in the winding support, a heat dissipation opening is formed in the winding support, and the heat dissipation opening is communicated with the cavity; the reactance winding twines in the winding support to be formed with a plurality of winding coils, a plurality of the winding coil connects gradually, arbitrary two be formed with the heat dissipation clearance between the winding coil, the heat dissipation clearance passes through heat dissipation opening intercommunication the cavity. The surface of the winding support is convexly provided with a plurality of supporting pieces, and the supporting pieces are respectively inserted into the plurality of heat dissipation gaps.

The utility model discloses technical scheme is through setting up the cavity in winding support inside to set up the heat dissipation opening of intercommunication cavity on winding support, form certain heat dissipation clearance simultaneously when reactance winding support, make the reactance winding can utilize the heat dissipation clearance between the winding coil and the cavity of winding support to dispel the heat, effectively improved the radiating effect of reactance subassembly. Secondly, insert through the support piece with winding support surface and establish in the heat dissipation clearance, can play the effect of supporting the winding coil and maintaining the heat dissipation clearance between the winding coil, be favorable to avoiding the reactance subassembly to operate for a long time and have certain probability to lead to the winding coil to receive the thermal energy and then make the heat dissipation clearance reduce gradually, influence the radiating effect of reactance winding, guarantee reactance winding can dispel the heat more steadily, make the inside heat of reactance winding dispel the heat through the heat dissipation clearance fully, the normal operating of reactance subassembly has further been ensured, the radiating effect of reactance subassembly has been improved, and the structural stability and the reliability of reactance subassembly have been improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a three-dimensional structural diagram of an embodiment of the reactance element of the present invention;

FIG. 2 is an exploded view of one embodiment of the reactive component of FIG. 1;

figure 3 is a three-dimensional block diagram of an embodiment of a winding support and a base plate of the reactive component of figure 1;

fig. 4 is a three-dimensional block diagram of another embodiment of a winding support and a base plate of the reactive component of fig. 1;

FIG. 5 is a cross-sectional view of one embodiment of the reactive component of FIG. 1;

figure 6 is a cross-sectional exploded view of an embodiment of the reactive component of figure 1 with the magnetic element removed.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

In the existing reactor, due to the processing characteristic of winding forming, adjacent turns of a reactor winding are mostly made to be tight and seamless, so that inner side heat is unevenly gathered in the middle of the winding, and when the reactor operates for a long time or operates at high power, if the internal temperature of a winding coil 31 exceeds the critical temperature of the winding coil 31 and a magnetic core, failure is caused to a certain degree, and further the normal operation of the reactor is influenced. In view of the above, the present invention provides a reactance assembly 100.

Referring to fig. 1 to 6, in the embodiment of the present invention, the reactance component 100 includes a winding support 10 and a reactance winding 30, a cavity 13 is formed in the winding support 10, a heat dissipation opening 17 is formed in the winding support 10, and the heat dissipation opening 17 communicates with the cavity 13; the reactance winding 30 is wound on the winding support 10, and a plurality of winding coils 31 are formed, the plurality of winding coils 31 are connected in sequence, a heat dissipation gap 33 is formed between any two winding coils 31, and the heat dissipation gap 33 is communicated with the cavity 13 through the heat dissipation opening 17. The winding support 10 has a plurality of support members 11 protruding from a surface thereof, and the plurality of support members 11 are respectively inserted into the plurality of heat dissipation gaps 33.

The utility model discloses technical scheme is through setting up cavity 13 in winding support 10 is inside to set up the heat dissipation opening 17 of intercommunication cavity 13 on winding support 10, form certain heat dissipation clearance 33 simultaneously when reactance winding 30 twines winding support 10, make reactance winding 30 can utilize the heat dissipation clearance 33 between winding coil 31 and winding support 10's cavity 13 to dispel the heat, effectively improved reactance subassembly 100's radiating effect. Secondly, through inserting the support piece 11 on the surface of the winding support 10 in the heat dissipation gap 33, the effect of supporting the winding coil 31 and maintaining the heat dissipation gap 33 between the winding coils 31 can be achieved, which is beneficial to avoiding that the winding coil 31 is heated and expanded due to a certain probability when the reactance component 100 operates for a long time, so that the heat dissipation gap 33 is gradually reduced, the heat dissipation effect of the reactance winding 30 is influenced, the reactance winding 30 can be more stably cooled, the heat inside the reactance winding 30 can be sufficiently dissipated through the heat dissipation gap 33, the normal operation of the reactance component 100 is further ensured, the heat dissipation effect of the reactance component 100 is improved, and the structural stability and the reliability of the reactance component 100 are improved.

In the assembling process of the reactance component 100, the reactance winding 30 may be wound on the winding support 10 by using a soft wire, which is beneficial to making the reactance winding 30 better climb on the winding support 10. The spiral reactance winding 30 can also be formed by using a rigid wire, and the winding support 10 is screwed into the reactance winding 30, so that the reactance component 100 can be conveniently disassembled and assembled, and the processing efficiency of the reactance component 100 can be improved.

Referring to fig. 5 and 6, in an embodiment of the present invention, it is defined that the winding support 10 has an extending direction, and the thickness of the support 11 in the extending direction of the winding support 10 is W, then the condition is satisfied: w is more than or equal to 0.5mm and less than or equal to 200 mm.

It will be appreciated that during use of the reactance component 100, the support 11 functions to support the winding coils 31 and maintain the heat dissipation gap 33 between the winding coils 31, and the thickness of the support 11 in the extension direction of the winding support 10 has a greater influence on the size of the heat dissipation gap 33 between the winding coils 31 of the reactance winding 30. When W is larger than or equal to 0.5mm, the heat dissipation gap 33 between the winding coils 31 is increased along with the increase of the thickness, so that the ventilation quantity of the reactance winding 30 is improved, and the heat dissipation effect of the reactance component 100 is further improved; and the structural strength of the supporting member 11 is increased along with the increase of the thickness, which is beneficial to further improving the supporting force of the supporting member 11 acting on the winding coil 31 and improving the structural stability among windings. Meanwhile, W is enabled to be less than or equal to 200mm, the thickness of the supporting piece 11 can be enabled not to be too large, and further the heat dissipation gap 33 between the winding coils 31 can be enabled not to be too large, so that the size and the weight of the reactance winding 30 can be reduced, the lightening design of the reactance component 100 is facilitated, the space between the winding coils 31 can be enabled not to be too large while the reactance winding 30 can fully dissipate heat in the range, and the normal operation of the reactance component 100 is guaranteed.

Secondly, the supporting member 11 not only plays a role of supporting the winding coil 31, but also can be provided with a concave limiting groove on the surface of the winding coil 31, and the surface of the supporting member 11 is provided with a convex limiting member, so that the limiting member can be inserted into the limiting groove when the reactance winding 30 is wound on the winding support 10, and further the supporting member 11 can play a role of fixing the reactance winding 30, thereby preventing the reactance winding 30 from rotating under the action of external force during the transportation or use process of the reactance assembly 100 and having a certain probability of influencing the normal operation of the reactance assembly 100, and further improving the structural stability and reliability of the reactance assembly 100.

Referring to fig. 5 and 6, in an embodiment of the present invention, if the distance between any two adjacent supporting members 11 in the extending direction of the winding frame 10 is defined as H, the condition is satisfied: h is more than or equal to 0.5mm and less than or equal to 200 mm.

It will be appreciated that when the reactive winding 30 is wound on the winding support 10, a winding coil 31 may be wound between any two adjacent support members 11, such that each winding coil 31 can be supported by the support member 11; a plurality of winding coils 31 can be wound between two adjacent supporting members 11, and the arrangement of the supporting members 11 can be properly reduced under the supporting effect of the reactance winding 30, so that the overall structure of the winding support 10 is further simplified. Therefore, the distance between any two adjacent supporting pieces 11 in the extending direction of the winding support 10 has a certain influence on the arrangement of the winding coil 31 of the reactance winding 30, and when H is greater than or equal to 0.5mm, along with the increase of the distance, the winding coil 31 with a larger diameter or a plurality of winding coils 31 can be placed between the two adjacent supporting pieces 11 under the condition of meeting the requirement of heat dissipation, so that the structure of the winding support 10 is facilitated, and the lightweight design of the reactance assembly 100 is facilitated; meanwhile, when H is less than or equal to 200mm, it can be ensured that the distance between any two adjacent supporting pieces 11 is not too large, so that the supporting pieces 11 can better support the reactance winding 30, a required heat dissipation effect is achieved, and the structural stability and reliability of the reactance component 100 are further improved.

Referring to fig. 3 and 5, in an embodiment of the present invention, at least one supporting member 11 is inserted into any one of the heat dissipation gaps 33, the winding frame 10 is defined to have a central axis, and the supporting members 11 in any two adjacent heat dissipation gaps 33 are symmetrically disposed with the central axis of the winding frame 10 as a symmetry center.

In this embodiment, at least one supporting member 11 may be inserted into each heat dissipation gap 33, so that the plurality of winding coils 31 on the reactance winding 30 can be supported to a certain extent, and the structural stability of the reactance assembly 100 is effectively improved. Meanwhile, the supporting pieces 11 in any two adjacent heat dissipation gaps 33 are symmetrically arranged by taking the central axis of the winding support 10 as a symmetric center, so that the integral stress of the reactance winding 30 is more uniform, the stress balance of the reactance component 100 is better, the size of the heat dissipation gap 33 on each layer of the reactance winding 30 is consistent, the heat dissipation of the reactance component 100 is more uniform, and the heat dissipation effect of the reactance component 100 is further improved.

Referring to fig. 4, in an embodiment of the present invention, the plurality of supporting members 11 are arranged side by side along the extending direction of the winding support 10 and are disposed on the same side of the winding support 10.

In this embodiment, the plurality of supporting members 11 are arranged in parallel on one side of the winding support 10, so that the supporting function of the supporting members 11 can be more concentrated, the supporting effect is better, the overall structure of the winding support 10 is further simplified, and the light design of the winding support 10 is facilitated. Secondly, through setting up a plurality of support piece 11 in one side of winding support 10 side by side, can utilize bolt or branch interlude to fix support piece 11 and reactance winding 30, make reactance winding 30 can fix on winding support 10 better, and then make winding support 10 and reactance winding 30 can form a whole, be favorable to further improving reactance subassembly 100's structural stability.

Referring to fig. 1, 2 and 5, in one embodiment of the present invention, the reactance assembly 100 further comprises a magnetic element 50, the magnetic element 50 being received in the cavity 13.

In this embodiment, by adding the magnetic element 50, the inductance of the reactance element 100 can be effectively improved, and the operating efficiency of the reactance element 100 can be further improved. Wherein, through holding magnetic element 50 in cavity 13, can make winding support 10 play certain fixed action to magnetic element 50, be favorable to avoiding magnetic element 50 to receive the exogenic action slope to interfere reactance winding 30 and have certain probability to influence reactance subassembly 100's normal operation in transportation or use, utilize the radiating effect of cavity 13 to carry out certain heat dissipation to magnetic element 50 simultaneously, be favorable to avoiding magnetic element 50 to receive the inside heat influence of reactance winding 30, the structural stability of reactance subassembly 100 has further been improved.

Referring to fig. 2, 3, 5 and 6, in an embodiment of the present invention, the winding support 10 has a mounting opening 15 formed along one end in the extending direction thereof, and the mounting opening 15 communicates with the cavity 13. The reactive component 100 further comprises a seat plate 70, the seat plate 70 is connected to the reactive winding 30 and covers the mounting opening 15, and one end of the magnetic element 50 abuts against the seat plate 70 through the mounting opening 15.

It can be understood that, the dismouting of reactance subassembly 100 can be more convenient for through setting up mounting opening 15, make magnetic element 50 only need through mounting opening 15 peg graft in cavity 13 can, workman's work burden has effectively been alleviateed, simultaneously through connecting reactance winding 30 with bedplate 70, can make and have certain clearance between bedplate 70 and the winding support 10, make the radiating air current can get into cavity 13 from mounting opening 15 through the clearance and dispel the heat, reactance subassembly 100's radiating effect has effectively been improved, guarantee reactance subassembly 100 can realize the heat dissipation more fully.

Referring to fig. 2, 5 and 6, in an embodiment of the present invention, an outlet 71 is opened on the seat plate 70, the reactance winding 30 is provided with a connection terminal 35, and the connection terminal 35 is sleeved on the outlet 71.

It is understood that, when the reactance component 100 is assembled to a device (such as a reactor), the assembly of the reactance component 100 may be achieved by mounting the seat plate 70 to the device. The outlet 71 is formed in the seat plate 70, so that the connecting line end 35 of the reactance winding 30 can pass through the outlet 71 and be connected to the equipment, thereby being beneficial to reducing the exposure of the connecting line end 35 of the reactance component 100, and being convenient for the design layout of the reactance component 100, so that the structure of the reactance component 100 is simpler and more beautiful. Secondly, the connecting wire end 35 is sleeved on the wire outlet 71, so that the reactance winding 30 can be fixed, the reactance winding 30 is more stable, and the structural stability of the reactance component 100 is further improved.

Referring to fig. 2, 3, 4 and 6, in an embodiment of the present invention, the winding support 10 is provided with a plurality of heat dissipation openings 17, and the plurality of heat dissipation openings 17 are arranged at intervals. And/or the winding support 10 and the plurality of supports 11 are of a unitary structure.

In this embodiment, the plurality of heat dissipation openings 17 are formed in the winding support 10, so that the heat dissipation area of the winding support 10 can be further increased, the reactance windings 30 can dissipate heat more uniformly, and the heat dissipation effect and the heat dissipation efficiency of the reactance component 100 are improved; meanwhile, the plurality of heat dissipation openings 17 are arranged at intervals, so that the structure of the winding support 10 is more stable and reliable, and the structural stability of the reactance component 100 is further improved.

Secondly, in the production process, winding support 10 and a plurality of support piece 11 can be through integrative the formation of moulding plastics, make winding support 10 and a plurality of support piece 11 can form an organic whole structure, have effectively improved winding support 10 and support piece 11's overall structure intensity, have improved winding support 10's structural stability, can also reduce the assembly process of reactance subassembly 100 simultaneously, have lightened workman's work burden.

The utility model discloses still provide a reactor (not shown), this reactor includes casing (not shown) and reactance subassembly 100, and reactance subassembly 100 is installed in the casing, and above-mentioned embodiment is referred to this reactance subassembly 100's concrete structure, because this reactor has adopted all technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer repeated here one by one.

The utility model discloses still provide an electrical equipment (not shown), this electrical equipment includes organism (not shown) and reactor, and the concrete structure of this reactor refers to above-mentioned embodiment, because this electrical equipment has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is not given here again one by one.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims (11)

1. A reactive component, characterized in that the reactive component comprises:

the winding support is internally provided with a cavity, the winding support is provided with a heat dissipation opening, and the heat dissipation opening is communicated with the cavity; and

the reactance winding is wound on the winding support and is provided with a plurality of winding coils which are sequentially connected, a heat dissipation gap is formed between any two winding coils, and the heat dissipation gap is communicated with the cavity through the heat dissipation opening;

the surface of the winding support is convexly provided with a plurality of supporting pieces, and the plurality of supporting pieces are respectively inserted into the plurality of heat dissipation gaps.

2. The reactance assembly of claim 1, wherein said winding support is defined to have an extension direction, and said support has a thickness W along the extension direction of said winding support, the condition being satisfied: w is more than or equal to 0.5mm and less than or equal to 200 mm.

3. The reactance assembly of claim 2, wherein a spacing H between any two adjacent said support members in an extension direction of said winding support is defined, the condition: h is more than or equal to 0.5mm and less than or equal to 200 mm.

4. The reactance assembly of claim 3, wherein at least one said support member is inserted into any one of said heat dissipation gaps, defining said winding frame with a central axis, and said support members in any two adjacent heat dissipation gaps are symmetrically disposed with respect to said central axis of said winding frame as a center of symmetry.

5. The reactance assembly of claim 3, wherein a plurality of said support members are arranged side-by-side along the extension of said winding support and are disposed on the same side of said winding support.

6. The reactive component of any of claims 1 to 5, further comprising a magnetic element, the magnetic element being received in the cavity.

7. The reactance assembly of claim 6, wherein said winding support defines a mounting opening at one end along its extension, said mounting opening communicating with said cavity;

the reactance subassembly still includes the bedplate, the bedplate is connected the reactance winding to the shroud the installation opening, magnetic element's one end passes the installation opening butt in the bedplate.

8. The reactance element of claim 7 wherein said base plate defines an outlet, said reactance winding defines a connection terminal, and said connection terminal is sleeved to said outlet.

9. The reactance assembly of any of claims 1-5, wherein said winding support is provided with a plurality of said heat dissipating openings, said plurality of said heat dissipating openings being spaced apart;

and/or the winding support and the plurality of supporting pieces are of an integrated structure.

10. A reactor characterized by comprising a case and a reactance component as claimed in any one of claims 1 to 9, said reactance component being mounted to said case.

11. An electric device characterized by comprising a machine body and a reactor according to claim 10, wherein the reactor is mounted to the machine body.

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