CN203799825U - Transformer - Google Patents
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- CN203799825U CN203799825U CN201420213115.4U CN201420213115U CN203799825U CN 203799825 U CN203799825 U CN 203799825U CN 201420213115 U CN201420213115 U CN 201420213115U CN 203799825 U CN203799825 U CN 203799825U
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Abstract
The utility model provides a transformer which comprises a magnetic core component, a primary winding and a secondary winding. The primary winding and the secondary winding are wound on the magnetic core component and matched with the same for use, the primary winding comprises a first winding axially coupled with the secondary winding, and a second winding radially coupled with the secondary winding, and/or the secondary winding comprises a third winding axially coupled with the primary winding, and a fourth winding radially coupled with the primary winding. By the technical scheme, axial coupling and radial coupling of the primary winding and the secondary winding in the transformer can be realized, production cost of the transformer is lowered, and radiating effect of the transformer is optimized.
Description
Technical field
The utility model relates to transformer technology field, in particular to a kind of transformer.
Background technology
Thermatron is as the step-up transformer of using in driven by magnetron, main by roll, be configured in armature winding and secondary winding on roll, and insert roll and form at least two magnetic cores of magnetic circuit composition, as formed by two U-shaped magnetic cores or a U-shaped magnetic core and an I shape magnetic core.
In correlation technique, the structure that transformer generally adopts is armature winding, the coaxial level of secondary winding is configured in the both sides of an insulator closely, and normally on the armature winding same arm that is disposed at U-shaped magnetic core close to secondary winding level, this coiling magnetic core arm and another magnetic core arm, and connecting portion between two arms required magnetic loop when forming transformer and working.
Particularly, as shown in Figure 1, transformer 100 comprises U-shaped magnetic core 102 and U-shaped magnetic core 104, armature winding 106 is wrapped on a sidewall of U-shaped magnetic core 104, secondary winding 108 is wrapped on a sidewall of U-shaped magnetic core 102, and it is relative with the sidewall that is wound with secondary winding 108 on U-shaped magnetic core 102 on U-shaped magnetic core 104, to be wound with the sidewall of armature winding 106.Simultaneously, due to armature winding 106 and secondary winding 108 be coaxial level close be configured, therefore in order to realize the good coupling between armature winding 106 and secondary winding 108, just need the radially number of turn of armature winding 106 to increase, and axially the number of turn reduces, be that the radial windings number of plies that forms of whole armature winding 106 is many, axial winding length is short; Similarly, need the radially number of turn of secondary winding 108 to increase, and axially the number of turn reduces, the radial windings number of plies that whole secondary winding 108 forms is many, and axial winding length is short, easily causes thus the transformer bad problem of dispelling the heat.In addition because the radial windings number of plies is more, therefore in the time of identical winding turns, need the wire rod of more multiplex amount, material cost is larger, and the radially number of plies of armature winding 106 and secondary winding 108 is many, has also increased the overall dimensions of transformer 100.
Therefore, how to guarantee, under the constant prerequisite of the degree of coupling between armature winding and the secondary winding in transformer, to reduce the production cost of transformer, optimize transformer radiating effect and become technical problem urgently to be resolved hurrily.
Utility model content
The utility model is intended at least solve one of technical problem existing in prior art or correlation technique.
For this reason, the purpose of this utility model has been to propose a kind of armature winding and secondary winding axially and the footpath transformer that upwards can be coupled, and has reduced the production cost of transformer simultaneously, has optimized the radiating effect of transformer.
For achieving the above object, according to embodiment of the present utility model, propose a kind of transformer, having comprised: core assembly; And armature winding and secondary winding, described armature winding and described secondary winding are wrapped on described core assembly, are used in conjunction with described core assembly; Wherein, described armature winding comprises: with first winding of described secondary winding in axial coupling, and with second winding of described secondary winding at Radial Coupling, and/or described secondary winding comprises: with described armature winding at the axial tertiary winding of coupling, and with four winding of described armature winding at Radial Coupling.
Due in magnetron drive power supply, for making power semiconductor load reduction, conventionally adopt zero voltage switching technology (ZVS), this zero voltage switching technology need to be arranged on the coupling coefficient of step-up transformer between about 0.6 to 0.85, and this just requires there is stronger coupling between the armature winding of step-up transformer and secondary winding.And according to the transformer of embodiment of the present utility model, when armature winding comprises with secondary winding at the first winding being axially coupled, and with second winding of secondary winding at Radial Coupling, and/or secondary winding comprises with armature winding at the tertiary winding being axially coupled, and with armature winding when the 4th winding of Radial Coupling, coupling between armature winding and secondary winding in transformer can not only be confined to axial coupling, but also coupling can radially realized, and then between the coupling coefficient between armature winding and secondary winding need to being brought up to 0.6 to 0.85 time, can be by increasing the second winding and/or the 4th winding winding turns in the axial direction, and reduce the first winding and/or tertiary winding winding turns diametrically and regulate, without adopting the use amount that increases winding turns diametrically of armature winding and/or secondary winding in correlation technique and increase wire rod, reduce the production cost of transformer, simultaneously owing to having reduced armature winding and/or secondary winding winding turns diametrically, therefore in the time of assembling transformer, also dwindled the volume of transformer.In addition, armature winding and/or secondary winding winding turns diametrically reduces, and winding turns in the axial direction increases, and can increase the area of dissipation of winding, thereby obtain better radiating effect.
In addition, according to the transformer of above-described embodiment of the present utility model, can also there is following additional technical characterictic:
According to an embodiment of the present utility model, described core assembly comprises: multiple magnetic cores, described multiple magnetic cores coordinate formation closed magnetic core assembly or open circuit core assembly.
According to the transformer of embodiment of the present utility model, because armature winding and secondary winding not only can be realized coupling in the axial direction, and can realize diametrically coupling, be that the degree of coupling between armature winding and secondary winding is stronger, mutual mutual inductance is larger, and therefore the most of magnetic flux between armature winding and secondary winding can just can form closed-loop path without core assembly, therefore, in order to reduce the use of magnetic core, core assembly can form open circuit core assembly by multiple magnetic cores.Certainly, can further strengthen the coupling between armature winding and secondary winding, core assembly can be also closed magnetic core assembly.
As an embodiment of the present utility model, in the time that described multiple magnetic cores coordinate formation open circuit core assembly, the air gap distance of the junction between described multiple magnetic cores is less than or equal to preset distance.
According to the transformer of embodiment of the present utility model, in the time that multiple magnetic cores form open circuit core assembly, between junction between multiple magnetic cores, can not need reserved air gap distance or only need to reserve minimum air gap distance just to make magnetic core obtain good anti-saturation ability, solved between the magnetic core in closed magnetic core assembly due to needs reserved compared with air gaps by force loose magnetic flux cause the large problem of air gap place caloric value, and then in the time of coiling armature winding and/or secondary winding, coiling more can be pressed close to core assembly coiling, coiling girth is shorter, further reduce the consumption of wire rod.
As a preferred embodiment of the present utility model, described core assembly comprises: two magnetic cores, described two magnetic cores coordinate formation open circuit core assembly.
In the above-described embodiments, preferably, described two magnetic cores comprise: two L shaped magnetic cores, two T shape magnetic cores or a L shaped magnetic core and an I shape magnetic core.
According to an embodiment of the present utility model, described transformer, also comprises: roll, described armature winding and described secondary winding are wrapped on described core assembly by described roll.
According to the transformer of embodiment of the present utility model, by roll is set, armature winding and secondary winding can be wrapped on core assembly easily.Certainly, for further reducing coiling girth, also can be by arranging on core assembly after insulating barrier, all or part of winding of armature winding and/or secondary winding is directly wrapped on core assembly.Wherein, in the time that insulating barrier is set, can directly on core assembly, apply insulating material, can also be on core assembly wrap insulate gummed paper etc.
According to an embodiment of the present utility model, comprise described the first winding and described the second winding at described armature winding, and when described secondary winding does not comprise the described tertiary winding and described the 4th winding, be wound with the roll of described the first winding, the roll that is wound with described the second winding is coaxial with the roll that curls described secondary winding, and the roll that is wound with described the first winding is oppositely arranged with the roll that is wound with described secondary winding, the roll that the roll that is wound with described the second winding is set in the outside of the roll that is wound with described secondary winding or is wound with described secondary winding is set in the outside of the roll that is wound with described the second winding.
According to the transformer of embodiment of the present utility model, the roll that is wound with the first winding is coaxial and be oppositely arranged with the roll that is wound with secondary winding, can realize better the first winding and secondary winding coupling in the axial direction; Similarly, the roll that is wound with the second winding is coaxial with the roll that is wound with secondary winding, and the roll that the roll that is wound with the second winding is set in the outside of the roll that is wound with secondary winding or is wound with secondary winding is set in the outside of the roll that is wound with the second winding, can realize better the second winding and secondary winding coupling diametrically.
According to an embodiment of the present utility model, comprise the described tertiary winding and described the 4th winding at described secondary winding, and when described armature winding does not comprise described the first winding and described the second winding, be wound with the roll of the described tertiary winding, the roll that is wound with described the 4th winding is coaxial with the roll that is wound with described armature winding, and the roll that is wound with the described tertiary winding is oppositely arranged with the roll that is wound with described armature winding, the roll that the roll that is wound with described the 4th winding is set in the outside of the roll that is wound with described armature winding or is wound with described armature winding is set in the outside of the roll that is wound with described the 4th winding.
According to the transformer of embodiment of the present utility model, the roll that is wound with the tertiary winding is coaxial and be oppositely arranged with the roll that is wound with armature winding, can realize better the tertiary winding and armature winding coupling in the axial direction; Similarly, the roll that is wound with the 4th winding is coaxial with the roll that is wound with armature winding, and the roll that the roll that is wound with the 4th winding is set in the outside of the roll that is wound with armature winding or is wound with armature winding is set in the outside of the roll that is wound with the 4th winding, can realize better the 4th winding and armature winding coupling diametrically.
According to an embodiment of the present utility model, comprise described the first winding and described the second winding at described armature winding, and when described secondary winding comprises the described tertiary winding and described the 4th winding, the roll that is wound with described the first winding is coaxial with the roll that is wound with the described tertiary winding, the roll that is wound with described the second winding is coaxial with the roll that is wound with described the 4th winding, and the roll that is wound with described the first winding is oppositely arranged with the roll that is wound with the described tertiary winding, the roll that the roll that is wound with described the second winding is set in the outside of the roll that is wound with described the 4th winding or is wound with described the 4th winding is set in the outside of the roll that is wound with described the second winding.
According to the transformer of embodiment of the present utility model, the roll that is wound with the first winding is coaxial and be oppositely arranged with the roll that is wound with the tertiary winding, can realize better the first winding and tertiary winding coupling in the axial direction; Similarly, the roll that the roll that is wound with the second winding is set in the outside of the roll that is wound with the 4th winding or is wound with the 4th winding is set in the outside of the roll that is wound with the second winding, can realize better the second winding and the 4th winding coupling diametrically.
According to an embodiment of the present utility model, the magnetic core in described core assembly is FERRITE CORE.
Additional aspect of the present utility model and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Brief description of the drawings
Above-mentioned and/or additional aspect of the present utility model and advantage accompanying drawing below combination is understood becoming the description of embodiment obviously and easily, wherein:
Fig. 1 shows the skiagraph of transformer in correlation technique;
Fig. 2 A shows according to the skiagraph of the transformer of an embodiment of the present utility model;
Fig. 2 B shows according to the skiagraph of the transformer of another embodiment of the present utility model;
Fig. 2 C shows according to the skiagraph of the transformer of another embodiment of the present utility model;
Fig. 2 D shows according to the skiagraph of the transformer of another embodiment of the present utility model;
Fig. 3 A to Fig. 3 C shows according to the structural representation of the open circuit core assembly of embodiment of the present utility model;
Fig. 4 A to Fig. 4 C shows according to the structural representation of the closed magnetic core assembly of embodiment of the present utility model;
Fig. 5 A shows according to the structural representation of the roll of an embodiment of the present utility model;
Fig. 5 B shows according to the structural representation of the roll of another embodiment of the present utility model.
Embodiment
In order more clearly to understand above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments, the utility model is further described in detail.It should be noted that, in the situation that not conflicting, the feature in the application's embodiment and embodiment can combine mutually.
A lot of details are set forth in the following description so that fully understand the utility model; but; the utility model can also adopt other to be different from other modes described here and implement, and therefore, protection range of the present utility model is not subject to the restriction of following public specific embodiment.
Fig. 2 A shows according to the skiagraph of the transformer of embodiment of the present utility model.
As shown in Figure 2 A, according to embodiment transformer 200 of the present utility model, comprising: core assembly; And armature winding 206 and secondary winding 208, described armature winding 206 and described secondary winding 208 are wrapped on described core assembly, are used in conjunction with described core assembly; Wherein, described armature winding 206 comprises: with first winding 2062 of described secondary winding 208 in axial coupling, and with second winding 2064 of described secondary winding 208 at Radial Coupling, and/or secondary winding 208 comprises: with described armature winding 206 at the axial tertiary winding (not shown in Fig. 2 A) of coupling, and with four winding (in Fig. 2 A not shown) of described armature winding 206 at Radial Coupling.
Due in magnetron drive power supply, for making power semiconductor load reduction, conventionally adopt zero voltage switching technology (ZVS), this zero voltage switching technology need to be arranged on the coupling coefficient of transformer between about 0.6 to 0.85, between the armature winding 206 that this will changes persuing depressor and secondary winding 208, has stronger coupling.And when armature winding 206 comprise and secondary winding 208 at axial the first winding 2062 of coupling, and with second winding 2064 of secondary winding 208 at Radial Coupling, and/or secondary winding 208 comprises with armature winding 206 at the tertiary winding being axially coupled, and with armature winding 206 when the 4th winding of Radial Coupling, coupling between armature winding 206 and secondary winding 208 in transformer 200 can not only be confined to axial coupling, but also coupling can radially realized, and then between the coupling coefficient between armature winding 206 and secondary winding 208 need to being brought up to 0.6 to 0.85 time, can be by increasing the second winding 2064 and/or the 4th winding winding turns in the axial direction, and reduce the first winding 2062 and/or tertiary winding winding turns diametrically and regulate, without adopting the use amount that increases winding turns diametrically of armature winding 206 and/or secondary winding 208 in correlation technique and increase wire rod, reduce the production cost of transformer 200, simultaneously owing to having reduced armature winding 206 and/or secondary winding 208 winding turns diametrically, therefore in the time of assembling transformer 200, also dwindled the volume of transformer 200.In addition, armature winding 206 and/or secondary winding 208 winding turns diametrically reduces, and winding turns in the axial direction increases, and can increase the area of dissipation of winding, thereby obtain better radiating effect.
According to a variant embodiment of the present utility model, the skiagraph of transformer 200 can also be as shown in Figure 2 B, in the structure of the transformer 200 shown in Fig. 2 B, secondary winding 208 comprises the tertiary winding 2082 being coupled in the axial direction with armature winding 206 and the 4th winding 2084 being coupled diametrically with armature winding 206.
According to another variant embodiment of the present utility model, the skiagraph of transformer 200 can also be as shown in Figure 2 C, in the structure of the transformer 200 shown in Fig. 2 C, armature winding 206 comprises the first winding 2062 and the second winding 2064, secondary winding 208 comprises the tertiary winding 2082 and the 4th winding 2084, wherein the first winding 2062 is coupled in the axial direction with the tertiary winding 2082, and the second winding 2064 and the 4th winding 2084 are coupled diametrically.In addition, in the structure of the transformer 200 shown in Fig. 2 C, the first winding 2062 and the 4th winding 2084 also can be coupled in the axial direction, and the tertiary winding 2082 and the second winding 2064 also can be coupled in the axial direction, thereby, improved the degree of coupling of armature winding 206 and secondary winding 208.
In addition, according to the transformer 200 of above-described embodiment of the present utility model, can also there is following additional technical characterictic:
According to an embodiment of the present utility model, described core assembly comprises: multiple magnetic cores, described multiple magnetic cores coordinate formation closed magnetic core assembly or open circuit core assembly.
Because armature winding 206 and secondary winding 208 not only can be realized coupling in the axial direction, and can realize diametrically coupling, be that the degree of coupling between armature winding 206 and secondary winding 208 is stronger, mutual mutual inductance is larger, therefore the most of magnetic flux between armature winding 206 and secondary winding 208 can just can form closed-loop path without core assembly, therefore,, in order to reduce the use of magnetic core, core assembly can form open circuit core assembly by multiple magnetic cores.Certainly, can further strengthen the coupling between armature winding 206 and secondary winding 208, core assembly can be also closed magnetic core assembly.
Continue with reference to Fig. 2 A, as an embodiment of the present utility model, in the time that described multiple magnetic cores coordinate formation open circuit core assembly, the air gap distance 210 of the junction between described multiple magnetic cores is less than or equal to preset distance.
In the time that multiple magnetic cores form open circuit core assembly, between junction between multiple magnetic cores, can not need reserved air gap distance or only need to reserve minimum air gap distance just to make magnetic core obtain good anti-saturation ability, solved between the magnetic core in closed magnetic core assembly due to needs reserved compared with air gaps by force loose magnetic flux cause the large problem of air gap place caloric value, and then in the time of coiling armature winding and/or secondary winding, coiling more can be pressed close to core assembly coiling, coiling girth is shorter, has further reduced the consumption of wire rod.
As a preferred embodiment of the present utility model, described core assembly comprises: two magnetic cores, described two magnetic cores coordinate formation open circuit core assembly.
In the time forming open circuit core assembly by two magnetic cores cooperations, the compound mode of two magnetic cores has numerous embodiments, below enumerates three kinds of execution modes wherein:
Execution mode one
As shown in Figure 3A, two magnetic cores comprise two L shaped magnetic cores, i.e. L shaped magnetic core 202 and L shaped magnetic core 204, and wherein, one end of one end of L shaped magnetic core 202 and L shaped magnetic core 204 is staggered relatively.
Execution mode two
As shown in Figure 3 B, two magnetic cores comprise a L shaped magnetic core 302 and an I shape magnetic core 304.
Execution mode three
As shown in Figure 3 C, two magnetic cores comprise two T shape magnetic cores, i.e. T shape magnetic core 306 and T shape magnetic core 308.
Certainly, in the time forming closed magnetic core assembly by multiple magnetic cores, also have numerous embodiments, below on the basis of above-mentioned open circuit core assembly, enumerate the structure of three kinds of closed magnetic core assemblies wherein.
Execution mode one
As shown in Figure 4 A, on the basis of the open circuit core assembly shown in Fig. 3 A, increase another magnetic core 402, form closed magnetic core assembly with L shaped magnetic core 202 and L shaped magnetic core 204.
Execution mode two
As shown in Figure 4 B, on the basis of the open circuit core assembly shown in Fig. 3 B, increase another magnetic core 404, form closed magnetic core assembly with L shaped magnetic core 302 and I shape magnetic core 304.
Execution mode three
As shown in Figure 4 C, on the basis of the open circuit core assembly shown in Fig. 3 C, increase by two magnetic cores, i.e. magnetic core 406 and magnetic core 408, forms closed magnetic core assembly with T shape magnetic core 306 and T shape magnetic core 308.
According to an embodiment of the present utility model, described transformer 200, also comprises: roll, described armature winding 206 and described secondary winding 208 are wrapped on described core assembly by described roll.
By roll is set, armature winding 206 and secondary winding 208 can be wrapped on core assembly easily.
In embodiment as shown in Figure 2 A, comprise described the first winding 2062 and described the second winding 2064 at described armature winding 206, and when described secondary winding 208 does not comprise the described tertiary winding and described the 4th winding, be wound with the roll of described the first winding 2062, the roll that is wound with described the second winding 2064 is coaxial with the roll that curls described secondary winding 208, and the roll that is wound with described the first winding 2062 is oppositely arranged with the roll that is wound with described secondary winding 208, the roll that is wound with described the second winding 2064 is set in the outside of the roll that is wound with described secondary winding 208.Certainly,, as a variant embodiment of Fig. 2 A, the roll that is wound with described secondary winding 208 can be set in the outside of the roll that is wound with described the second winding 2064.
The roll that is wound with the first winding 2062 is coaxial and be oppositely arranged with the roll that is wound with secondary winding 208, can realize better the first winding 2062 and secondary winding 208 coupling in the axial direction; Similarly, the roll that is wound with the second winding 2064 is coaxial with the roll that is wound with secondary winding 208, and the roll that the roll that is wound with the second winding 2064 is set in the outside (as shown in Figure 2 A) of the roll that is wound with secondary winding 208 or is wound with secondary winding 208 is set in the outside (not shown this kind of set-up mode in Fig. 2 A) of the roll that is wound with the second winding 2064, can realize better the second winding 2064 and secondary winding 208 coupling diametrically.
, comprise the first winding 2062 and the second winding 2064 with armature winding 206 below, and secondary winding 208 does not comprise that the tertiary winding and the 4th winding are the structural representation that example describes roll in detail.
As shown in Figure 5A, the roll 502 that is wound with the first winding 2062 is structure as a whole with the roll 504 that is wound with the second winding 2064, wherein, roll 502, roll 504 and to be wound with the roll 506 of secondary winding 208 coaxial, and roll 502 is oppositely arranged with roll 506, and roll 504 is set in the outside of roll 506.
As shown in Figure 5 B, the roll 508 that is wound with the first winding 2062 is Split type structure with the roll 510 that is wound with the second winding 2064, wherein, roll 508, roll 510 and to be wound with the roll 512 of secondary winding 208 coaxial, and roll 508 is oppositely arranged with roll 512, and roll 510 is set in the outside of roll 512.
According to another embodiment of the present utility model, as shown in Figure 2 B, comprise the tertiary winding 2082 and the 4th winding 2084 at described secondary winding 208, and when armature winding 206 does not comprise the first winding 2062 shown in Fig. 2 A and the second winding 2064, be wound with the roll of the described tertiary winding 2082, the roll that is wound with described the 4th winding 2084 is coaxial with the roll that is wound with described armature winding 206, and the roll that is wound with the described tertiary winding 2082 is oppositely arranged with the roll that is wound with described armature winding 206, the roll that is wound with described armature winding 206 is set in the outside of the roll that is wound with described the 4th winding 2084.Certainly,, as a variant embodiment of Fig. 2 B, the roll that is wound with described the 4th winding 2084 can be set in the outside of the roll that is wound with described armature winding 206.
The roll that is wound with the tertiary winding 2082 is coaxial and be oppositely arranged with the roll that is wound with armature winding 206, can realize better the tertiary winding 2082 and armature winding 206 coupling in the axial direction; Similarly, the roll that is wound with the 4th winding 2084 is coaxial with the roll that is wound with armature winding 206, and the roll that the roll that is wound with armature winding 206 is set in the outside (as shown in Figure 2 B) of the roll that is wound with the 4th winding 2084 or is wound with the 4th winding 2084 is set in the outside (not shown this kind of set-up mode in Fig. 2 B) of the roll that is wound with armature winding 206, can realize better the 4th winding 2084 and armature winding 206 coupling diametrically.
According to an embodiment of the present utility model, as shown in Figure 2 C, comprise described the first winding 2062 and described the second winding 2064 at described armature winding 206, and when described secondary winding 208 comprises the described tertiary winding 2082 and described the 4th winding 2084, the roll that is wound with described the first winding 2062 is coaxial with the roll that is wound with the described tertiary winding 2082, the roll that is wound with described the second winding 2064 is coaxial with the roll that is wound with described the 4th winding 2084, and the roll that is wound with described the first winding 2062 is oppositely arranged with the roll that is wound with the described tertiary winding 2082, the roll that is wound with described the second winding 2064 is set in the outside of the roll that is wound with described the 4th winding 2084.Certainly, as a variant embodiment of Fig. 2 C, the roll that is wound with described the 4th winding 2084 is set in the outside of the roll that is wound with described the second winding 2064, particularly, and as shown in Figure 2 D.
The roll that is wound with the first winding 2062 is coaxial and be oppositely arranged with the roll that is wound with the tertiary winding, can realize better the first winding 2062 and the tertiary winding 2082 coupling in the axial direction; Similarly, the roll that the roll that is wound with the second winding 2064 is set in the outside (as shown in Figure 2 C) of the roll that is wound with the 4th winding 2084 or is wound with the 4th winding 2084 is set in the outside (as shown in Figure 2 D) of the roll that is wound with the second winding 2064, can realize better the second winding 2064 and the 4th winding 2084 coupling diametrically.
Certainly, in order further to reduce coiling girth, also can be by arranging on core assembly after insulating barrier, armature winding 206 and/or all or part of winding of secondary winding 208 are directly wrapped on core assembly.Wherein, in the time that insulating barrier is set, can directly on core assembly, apply insulating material, can also be on core assembly wrap insulate gummed paper etc.What it should be appreciated by those skilled in the art is, if insulating barrier is set on core assembly, be wound with the first winding 2062 core assembly, be wound with the second winding 2064 core assembly, being wound with the core assembly of the tertiary winding 2082 and being wound with the structure of the core assembly of the 4th winding 2084 can be similar with the structure of above-described roll.
According to an embodiment of the present utility model, the magnetic core in described core assembly is FERRITE CORE.
More than be described with reference to the accompanying drawings the technical solution of the utility model, the utility model proposes the transformer that a kind of armature winding and secondary winding upwards can be coupled in axial and footpath, reduce the production cost of transformer simultaneously, optimized the radiating effect of transformer.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (11)
1. a transformer, is characterized in that, comprising:
Core assembly; And
Armature winding and secondary winding, described armature winding and described secondary winding are wrapped on described core assembly, are used in conjunction with described core assembly;
Wherein, described armature winding comprises: with described secondary winding at axial the first winding of coupling, and with second winding of described secondary winding at Radial Coupling, and/or
Described secondary winding comprises: with described armature winding at the axial tertiary winding of coupling, and with four winding of described armature winding at Radial Coupling.
2. transformer according to claim 1, is characterized in that, described core assembly comprises:
Multiple magnetic cores, described multiple magnetic cores coordinate formation closed magnetic core assembly or open circuit core assembly.
3. transformer according to claim 2, is characterized in that, in the time that described multiple magnetic cores coordinate formation open circuit core assembly, the air gap distance of the junction between described multiple magnetic cores is less than or equal to preset distance.
4. transformer according to claim 2, is characterized in that, described core assembly comprises:
Two magnetic cores, described two magnetic cores coordinate formation open circuit core assembly.
5. transformer according to claim 4, is characterized in that, described two magnetic cores comprise: two L shaped magnetic cores, two T shape magnetic cores or a L shaped magnetic core and an I shape magnetic core.
6. transformer according to claim 1, is characterized in that, also comprises:
Roll, described armature winding and described secondary winding are wrapped on described core assembly by described roll.
7. transformer according to claim 6, it is characterized in that, comprise described the first winding and described the second winding at described armature winding, and when described secondary winding does not comprise the described tertiary winding and described the 4th winding, be wound with the roll of described the first winding, the roll that is wound with described the second winding is coaxial with the roll that curls described secondary winding, and the roll that is wound with described the first winding is oppositely arranged with the roll that is wound with described secondary winding, the roll that the roll that is wound with described the second winding is set in the outside of the roll that is wound with described secondary winding or is wound with described secondary winding is set in the outside of the roll that is wound with described the second winding.
8. transformer according to claim 6, it is characterized in that, comprise the described tertiary winding and described the 4th winding at described secondary winding, and when described armature winding does not comprise described the first winding and described the second winding, be wound with the roll of the described tertiary winding, the roll that is wound with described the 4th winding is coaxial with the roll that is wound with described armature winding, and the roll that is wound with the described tertiary winding is oppositely arranged with the roll that is wound with described armature winding, the roll that the roll that is wound with described the 4th winding is set in the outside of the roll that is wound with described armature winding or is wound with described armature winding is set in the outside of the roll that is wound with described the 4th winding.
9. transformer according to claim 6, it is characterized in that, comprise described the first winding and described the second winding at described armature winding, and when described secondary winding comprises the described tertiary winding and described the 4th winding, the roll that is wound with described the first winding is coaxial with the roll that is wound with the described tertiary winding, the roll that is wound with described the second winding is coaxial with the roll that is wound with described the 4th winding, and the roll that is wound with described the first winding is oppositely arranged with the roll that is wound with the described tertiary winding, the roll that the roll that is wound with described the second winding is set in the outside of the roll that is wound with described the 4th winding or is wound with described the 4th winding is set in the outside of the roll that is wound with described the second winding.
10. transformer according to claim 1, is characterized in that, on described core assembly, is provided with insulating barrier, and all or part of in described armature winding and/or described secondary winding is wrapped on described core assembly by described insulating barrier.
11. according to the transformer described in any one in claim 1 to 10, it is characterized in that, the magnetic core in described core assembly is FERRITE CORE.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420213115.4U CN203799825U (en) | 2014-04-28 | 2014-04-28 | Transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420213115.4U CN203799825U (en) | 2014-04-28 | 2014-04-28 | Transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203799825U true CN203799825U (en) | 2014-08-27 |
Family
ID=51382020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420213115.4U Expired - Lifetime CN203799825U (en) | 2014-04-28 | 2014-04-28 | Transformer |
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| Country | Link |
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| CN (1) | CN203799825U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103985525A (en) * | 2014-04-28 | 2014-08-13 | 美的集团股份有限公司 | Transformer |
| CN104936326A (en) * | 2015-07-08 | 2015-09-23 | 王春芳 | Magnetron power supply device for microwave oven |
| CN107172887A (en) * | 2014-11-07 | 2017-09-15 | 伊利诺斯工具制品有限公司 | Welds types electric power supply apparatus with welding transformer |
-
2014
- 2014-04-28 CN CN201420213115.4U patent/CN203799825U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103985525A (en) * | 2014-04-28 | 2014-08-13 | 美的集团股份有限公司 | Transformer |
| CN107172887A (en) * | 2014-11-07 | 2017-09-15 | 伊利诺斯工具制品有限公司 | Welds types electric power supply apparatus with welding transformer |
| CN107172887B (en) * | 2014-11-07 | 2021-11-05 | 伊利诺斯工具制品有限公司 | Welding type power supply unit with welding transformer |
| CN104936326A (en) * | 2015-07-08 | 2015-09-23 | 王春芳 | Magnetron power supply device for microwave oven |
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