CN104576024A - Transformer iron core, manufacturing method of transformer iron core, transformer and manufacturing method of transformer - Google Patents
Transformer iron core, manufacturing method of transformer iron core, transformer and manufacturing method of transformer Download PDFInfo
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- CN104576024A CN104576024A CN201410798760.1A CN201410798760A CN104576024A CN 104576024 A CN104576024 A CN 104576024A CN 201410798760 A CN201410798760 A CN 201410798760A CN 104576024 A CN104576024 A CN 104576024A
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 142
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 113
- 238000000034 method Methods 0.000 claims abstract description 58
- 238000004080 punching Methods 0.000 claims description 112
- 238000004804 winding Methods 0.000 claims description 26
- 239000002994 raw material Substances 0.000 claims description 19
- 238000003466 welding Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 10
- 238000005516 engineering process Methods 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 238000013007 heat curing Methods 0.000 claims description 4
- 230000005294 ferromagnetic effect Effects 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 8
- 238000010030 laminating Methods 0.000 abstract description 6
- 239000003302 ferromagnetic material Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 8
- 230000009467 reduction Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 229920006332 epoxy adhesive Polymers 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000005291 magnetic effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
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- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
The invention is suitable for the field of a transformer and discloses a manufacturing method of a transformer iron core, a transformer iron core, a manufacturing method of a transformer and a transformer. The manufacturing method of the transformer iron core comprises the step of manufacturing of an E-shaped iron core split body, the step of manufacturing of an I-shaped iron core split body and the step of assembling of iron cores. The step of manufacturing of the E-shaped iron core split body comprises the following steps of firstly stamping to form a plurality of E-shaped stamped sheets by adopting a stamping process and then adhering and laminating the E-shaped stamped sheets through first adhering parts to form the E-shaped iron core split body; and/or the step of manufacturing of the I-shaped iron core split body comprises the steps of firstly stamping to form a plurality of I-shaped stamped sheets by adopting the stamping process and then adhering and laminating the I-shaped stamped sheets by second adhering parts to form the I-shaped iron core split body. According to the invention, at least one of the E-shaped iron core split body and the I-shaped iron core split body is formed by laminating the stamped sheets by an adhering process; the technical problems of high ferromagnetic loss, low utilization rate of a ferromagnetic material and high design cost of an existing transformer iron core are solved.
Description
Technical field
The invention belongs to field transformer, particularly relate to the manufacture method of transformer core, the transformer core be made up of the manufacture method of this transformer core, the transformer manufacturing method with the manufacture method of this transformer core and the transformer be made up of this transformer manufacturing method.
Background technology
In existing transformer core, its E shaped iron core split generally all by the punching of E type by welding procedure or buckle riveter skill and laminate and form, the split of I shaped iron core generally all by the punching of I type by welding procedure or buckle riveter skill and laminate and form.Destroy because welding procedure and button riveter skill all can produce punching, therefore, the split of E shaped iron core and the split of I shaped iron core adopt welding procedure or button riveter skill overlapping punching sheet to form, the ferromagnetic loss of transformer core can be increased, and reduce the utilance of ferromagnetic material, make the design cost of transformer core add simultaneously.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, provide the manufacture method of transformer core, transformer core, transformer manufacturing method and transformer, which solve existing transformer core and adopt welding procedure and button riveter skill overlapping punching sheet to cause the technical problem that the ferromagnetic loss of transformer core is high, ferromagnetic material utilance is low, transformer core design cost is high.
For achieving the above object, the technical solution used in the present invention is: the manufacture method of transformer core, comprise E shaped iron core split manufacturing step, I shaped iron core split manufacturing step and iron core number of assembling steps, wherein, described E shaped iron core split manufacturing step comprises the steps: first to adopt Sheet Metal Forming Technology stamping-out to go out several E type punchings, then the punching of each described E type is bonding and laminate and form described E shaped iron core split by the first bond; And/or,
Described I shaped iron core split manufacturing step comprises the steps: first to adopt Sheet Metal Forming Technology stamping-out to go out several I type punchings, then the punching of each described I type is bonding and laminate and form described I shaped iron core split by the second bond.
Preferably, described E shaped iron core split manufacturing step also comprises the steps: to adhere to described first bond on the punching raw material forming the punching of described E type for punching press; Or described E shaped iron core split manufacturing step also comprises the steps: to adhere to described first bond in the punching of stamping forming described E type.
Preferably, described I shaped iron core split manufacturing step also comprises the steps: to adhere to described second bond on the punching raw material forming the punching of described I type for punching press; Or described I shaped iron core split manufacturing step also comprises the steps: to adhere to described second bond in the punching of stamping forming described I type.
Preferably, in described E shaped iron core split manufacturing step and described I shaped iron core split manufacturing step, the split of described E shaped iron core and the split of described I shaped iron core are overrided to form by the punching of described E type and the punching of described I type respectively, and the punching of described E type and the punching of described I type are cut into type in same punching raw material upper punch.
Preferably, described first bond and/or described second bond are heat-curing type resinoid bond.
Particularly, the split of described E shaped iron core has openend, and described iron core number of assembling steps comprises the steps: the split of described I shaped iron core by welding or rivet or buckle connected mode being mounted on described openend.
Particularly, the split of described E shaped iron core comprises base portion and be spaced the first projection portion, the second projection portion, the 3rd projection portion on described base portion, and the length that described base portion extends along the orientation of described first projection portion, described second projection portion and described 3rd projection portion is 20-200mm.
Further, present invention also offers transformer core, it adopts the manufacture method of above-mentioned transformer core to make.
Further, present invention also offers transformer manufacturing method, it comprises iron core manufacturing step, winding manufacturing step, winding suit step, mounting base installation steps, described iron core manufacturing step comprises the step designed in the manufacture method of above-mentioned transformer core, wherein, before described winding manufacturing step and described winding suit step are all located at described iron core number of assembling steps, and described winding suit step is located at described E shaped iron core split manufacturing step, after I shaped iron core split manufacturing step and described winding manufacturing step, after described mounting base installation steps are located at described iron core number of assembling steps.
Further, present invention also offers transformer, it adopts above-mentioned transformer manufacturing method to make.
The manufacture method of transformer core provided by the invention, transformer core, transformer manufacturing method and transformer, by at least one in the split of E shaped iron core and the split of I shaped iron core being set to be undertaken bonding by punching by technique for sticking and laminate and formed, make its relative to existing to be laminated by welding procedure or button riveter skill by punching form the split of E shaped iron core and the split of I shaped iron core scheme for there is following beneficial effect: 1) because technique for sticking does not destroy the structure of punching, therefore, it can not have influence on the magnetic circuit of transformer core, thus avoid the ferromagnetic loss of transformer core caused owing to being welded to each other or detaining riveting between punching, reach the object reducing the ferromagnetic loss of transformer core, and improve performance and the stock utilization of product, reduce the design cost of product, 2) due to the decreasing of ferromagnetic loss of transformer core, therefore, ensureing, under the prerequisite that transformer fe core performance does not change, the volume of transformer core can be reduced, thus be beneficial to the miniaturization of product, and save the installing space of product, 3) simplify the manufacture process of transformer core, and reduce the manufacturing cost of transformer core.
Accompanying drawing explanation
Fig. 1 is the decomposing schematic representation of the E shaped iron core split that the embodiment of the present invention provides;
Fig. 2 is the decomposing schematic representation of the I shaped iron core split that the embodiment of the present invention provides;
Fig. 3 is the decomposing schematic representation of the transformer that the embodiment of the present invention provides;
Fig. 4 is the assembling schematic diagram of the transformer that the embodiment of the present invention provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
It should be noted that, when element is called as on " being fixed on " or " being arranged at " another element, it can directly on another element or may there is centering elements simultaneously.When an element is known as " connection " another element, it can be directly connect another element or may there is centering elements simultaneously.
As shown in figures 1-4, the manufacture method of the transformer core 1 that the embodiment of the present invention provides, comprise E shaped iron core split 11 manufacturing step, I shaped iron core split 12 manufacturing step and iron core number of assembling steps, wherein, E shaped iron core split 11 manufacturing step comprises the steps: first to adopt Sheet Metal Forming Technology stamping-out to go out several E type punchings 110, more each E type punching 110 is bonding and laminate and form E shaped iron core split 11 by the first bond 101; And/or I shaped iron core split 12 manufacturing step comprises the steps: first to adopt Sheet Metal Forming Technology stamping-out to go out several I type punchings 120, more each I type punching 120 is bonding and laminate and form I shaped iron core split 12 by the second bond 102.Iron core number of assembling steps is specially assembles formation transformer core 1 by E shaped iron core split 11 and I shaped iron core split 12.The manufacture method of the transformer core 1 that the embodiment of the present invention provides, by at least one in E shaped iron core split 11 and I shaped iron core split 12 being set to be undertaken bonding by punching by technique for sticking and laminate and formed, like this, effectively prevent the ferromagnetic loss of transformer core 1 caused owing to being welded to each other or detaining riveting between punching on the one hand, reach the object reducing the ferromagnetic loss of transformer core 1, and improve performance and the stock utilization of product, reduce the design cost of product; On the other hand due to the decreasing of ferromagnetic loss of transformer core 1, therefore, under guarantee transformer core 1 performance does not have vicissitudinous prerequisite, the volume of transformer core 1 can be reduced, thus save the installing space of product; Simplify the manufacture process of transformer core 1 more on the one hand, and reduce the manufacturing cost of transformer core 1.
Have at least one to be undertaken bonding by punching by technique for sticking and laminate and formed in the embodiment of the present invention in the E shaped iron core split 11 of indication and I shaped iron core split 12, specifically can comprise following specific embodiments:
Embodiment one, E shaped iron core split 11 to be laminated by technique for sticking by E type punching 110 and is formed, and I shaped iron core split 12 to be laminated by technique for sticking by I type punching 120 and is formed, in the present embodiment, E shaped iron core split 11 and I shaped iron core split 12 are all undertaken laminating being formed by technique for sticking by punching, therefore, the effect of the ferromagnetic loss of reduction transformer core 1 that it obtains, the performance of improving product, raising utilization rate of raw materials, reduction product design costs is best, and it is the preferred embodiment of the embodiment of the present invention.
Embodiment two, E shaped iron core split 11 to be laminated by technique for sticking by E type punching 110 and is formed, and I shaped iron core split 12 is by I type punching 120 by welding procedure or buckle riveter skill and laminate and formed, or I shaped iron core split 12 is directly shaping by mould integrally casting.In the present embodiment, E shaped iron core split 11 is only had to be undertaken laminating being formed by technique for sticking by punching, and I shaped iron core split 12 is not to be laminated by technique for sticking by I type punching 120 to be formed, this embodiment all to be laminated for the scheme that formed relative to existing E shaped iron core split 11 and I shaped iron core split 12 by welding procedure or button riveter skill by punching, also can obtain and reduce the ferromagnetic loss of transformer core 1, the performance of improving product, improve utilization rate of raw materials, reduce the effect of product design costs, just the effect that obtains relative to embodiment one of its effect obtained is slightly poor.
Embodiment three, I shaped iron core split 12 to be laminated by technique for sticking by I type punching 120 and is formed, and E shaped iron core split 11 is by E type punching 110 by welding procedure or buckle riveter skill and laminate and formed, or E shaped iron core split 11 is directly shaping by mould integrally casting.In the present embodiment, I shaped iron core split 12 is only had to be undertaken laminating being formed by technique for sticking by punching, and E shaped iron core split 11 is not to be laminated by technique for sticking by E type punching 110 to be formed, this embodiment all to be laminated for the scheme that formed relative to existing E shaped iron core split 11 and I shaped iron core split 12 by welding procedure or button riveter skill by punching, also can obtain and reduce the ferromagnetic loss of transformer core 1, the performance of improving product, improve utilization rate of raw materials, reduce the effect of product design costs, just the effect that obtains relative to embodiment one of its effect obtained is slightly poor.
Preferably, E shaped iron core split 11 manufacturing step also comprises the steps: to adhere to the first bond 101 on the punching raw material forming E type punching 110 for punching press; Or, E shaped iron core split 11 manufacturing step also comprises the steps: to adhere to the first bond 101 in stamping forming E type punching 110, namely in embody rule, can just prior before punching press forms E type punching 110 first bond 101 be attached on punching raw material, also again the first bond 101 can be attached in E type punching 110 after punching press forms E type punching 110.First bond 101 is attached to scheme punching raw material on regard to relative to before punching press formation E type punching 110 with regard to prior in the scheme in E type punching 110 that after punching press forms E type punching 110, first bond 101 is attached to, the bond area of the first bond 101 is less, therefore, it can reduce the consumption of the first bond 101, be beneficial to cost-saving, therefore, the embodiment of the present invention preferably adopts and again the first bond 101 is attached to the scheme in E type punching 110 after punching press forms E type punching 110.
Preferably, I shaped iron core split 12 manufacturing step also comprises the steps: to adhere to the second bond 102 on the punching raw material forming I type punching 120 for punching press; Or, I shaped iron core split 12 manufacturing step also comprises the steps: to adhere to the second bond 102 in stamping forming I type punching 120, can just prior before punching press forms I type punching 120 second bond 102 be attached on punching raw material, also again the second bond 102 can be attached in I type punching 120 after punching press forms I type punching 120.Second bond 102 is attached to scheme punching raw material on regard to relative to before punching press formation I type punching 120 with regard to prior in the scheme in I type punching 120 that after punching press forms I type punching 120, second bond 102 is attached to, the bond area of the second bond 102 is less, therefore, it can reduce the consumption of the second bond 102, be beneficial to cost-saving, therefore, the embodiment of the present invention preferably adopts and again the second bond 102 is attached to the scheme in I type punching 120 after punching press forms I type punching 120.
Preferably, in E shaped iron core split 11 manufacturing step and I shaped iron core split 12 manufacturing step, E shaped iron core split 11 and I shaped iron core split 12 are overrided to form by E type punching 110 and I type punching 120 respectively, and E type punching 110 and I type punching 120 are cut into type in same punching raw material upper punch, like this, be beneficial to and improve raw-material utilance, and be beneficial to the manufacturing efficiency of raising E type punching 110 and I type punching 120.
Preferably, the first bond 101 is identical with the material of the second bond 102, like this, be beneficial to the raw material quantity reduced in transformer core 1 manufacture process, thus be beneficial to the manufacturing process simplifying transformer, and then improve the production efficiency of transformer, and reduce the production cost of transformer.
Preferably, the first bond 101 and/or the second bond 102 are heat-curing type resinoid bond.More preferably, first bond 101 and the second bond 102 are all can strong binding metal and the good liquid heat-curing type epoxy adhesive of resistance to elevated temperatures, its main component is resin, and it can melt as the extremely strong molten state of viscosity after being heated to uniform temperature, two can be needed the object of adhesive bond (E type as adjacent in two in the present embodiment punching 110, two adjacent I type punching 120) to be adhesively fixed together after the cooling period, its adhesion strength is strong, is beneficial to and ensures that reliability is fixed in the combination between each adjacent punching; And being easy to attach operation after its heating, attachment flexibility is high.
Particularly, as shown in Figure 3 and Figure 4, E shaped iron core split 11 has openend 115, iron core number of assembling steps comprise the steps: by I shaped iron core split 12 by weld or rivet or buckle connect (as arrange in E shaped iron core split 11 with I shaped iron core split 12 can the dovetail groove of card inserting conjunction mutually realize buckle with dovetail groove boss structure and be connected) etc. mode be mounted on openend 115, like this, the fastening combination of E shaped iron core split 11 and I shaped iron core split 12 can all be realized.
Particularly, as shown in Figure 3 and Figure 4, E shaped iron core split 11 comprises base portion 111 and is spaced the first projection portion 112, second projection portion 113, the 3rd projection portion 114 on base portion 111, first projection portion 112, second projection portion 113 and the 3rd projection portion 114 are all convexly equipped in the same side of base portion 111, and the first projection portion 112 and the 3rd projection portion 114 lay respectively at the two ends of base portion 111, the second projection portion 113 is between the first projection portion 112 and the 3rd projection portion 114.Between first projection portion 112 and the second projection portion 113, all form an open slot between the second projection portion 113 and the 3rd projection portion 114, the opening place end of open slot is the openend 115 of E shaped iron core split 11.Preferably, in the present embodiment, the length that base portion 111 extends along the orientation of the first projection portion 112, second projection portion 113 and the 3rd projection portion 114 is 20-200mm, like this, the effect of the ferromagnetic loss of reduction transformer core 1 obtained, the performance of improving product, raising utilization rate of raw materials, reduction product design costs is more obvious.
Further, present invention also offers transformer core 1, it adopts the manufacture method of above-mentioned transformer core 1 to make.The transformer core 1 that the embodiment of the present invention provides, specifically comprise E shaped iron core split 11 and the I shaped iron core split 12 being mounted on E shaped iron core split 11 openend 115, and have at least one to be overrided to form by technique for sticking is bonding by punching in E shaped iron core split 11 and I shaped iron core split 12, it is made due to the manufacture method that have employed above-mentioned transformer core 1, therefore, reduce the ferromagnetic loss of transformer core 1 on the one hand, and improve performance and the stock utilization of product, reduce the design cost of product; Be beneficial to the volume reducing transformer core 1 on the other hand, thus be beneficial to the installing space saving product; Simplify the manufacture process of transformer core 1 more on the one hand, and reduce the manufacturing cost of transformer core 1.
Further, as shown in Figure 3 and Figure 4, present invention also offers transformer manufacturing method, it comprises iron core manufacturing step, winding manufacturing step, winding suit step, mounting base installation steps, iron core manufacturing step comprises the step designed in the manufacture method of above-mentioned transformer core, wherein, before winding manufacturing step and winding suit step are all located at iron core number of assembling steps, and winding suit step is located at E shaped iron core split manufacturing step, after I shaped iron core split manufacturing step and winding manufacturing step, after mounting base installation steps are located at iron core number of assembling steps.The transformer manufacturing method that the embodiment of the present invention provides, because the manufacture method that have employed above-mentioned transformer core carries out manufacture transformer core 1, therefore, improve the production efficiency of transformer, reduce the production cost of transformer, and improve the performance of transformer.
Particularly, winding manufacturing step comprises step: enamelled wire coiling is formed winding 2, and winding 2 is specially the annulus with hollow endoporus 21;
Winding suit step comprises the steps: to be set in by winding 2 in E shaped iron core split 11, and winding 2 realizes being E shaped iron core split 11 is inserted in installation especially by coordinating of hollow endoporus 21 and the second projection portion 113 in E shaped iron core split 11;
Mounting base installation steps comprise the steps: to be installed on by mounting base 3 in E shaped iron core split 11 or I shaped iron core split 12.The setting of mounting base 3, is mainly used in realizing the installation of transformer in application scenario, which is provided with installing hole.Mounting base 3 is specifically fixed in E shaped iron core split 11 or I shaped iron core split 12 by modes such as welding or riveted joints.
Further, transformer manufacturing method provided by the invention, in order to realize the insulated enclosure etc. of the antirust of transformer core 1 and winding 2, after completing mounting base 3 installation steps, also need product to carry out dipping lacquer process, to ensure the stability of the transformer finally produced.
Further, as shown in Figure 3 and Figure 4, and shown in Fig. 2, present invention also offers transformer, it adopts above-mentioned transformer manufacturing method to make.The transformer that the embodiment of the present invention provides, specifically comprise transformer core 1, be set in the winding 2 on transformer core 1 and be installed on the mounting base 3 of transformer core 1 side, it is made owing to have employed above-mentioned transformer core 1 manufacture method, therefore, there is structure simple, the feature that excellent combination property, cost are low.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement or improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the manufacture method of transformer core, comprise E shaped iron core split manufacturing step, I shaped iron core split manufacturing step and iron core number of assembling steps, it is characterized in that: described E shaped iron core split manufacturing step comprises the steps: first to adopt Sheet Metal Forming Technology stamping-out to go out several E type punchings, then the punching of each described E type is bonding and laminate and form described E shaped iron core split by the first bond; And/or,
Described I shaped iron core split manufacturing step comprises the steps: first to adopt Sheet Metal Forming Technology stamping-out to go out several I type punchings, then the punching of each described I type is bonding and laminate and form described I shaped iron core split by the second bond.
2. the manufacture method of transformer core as claimed in claim 1, is characterized in that: described E shaped iron core split manufacturing step also comprises the steps: to adhere to described first bond on the punching raw material forming the punching of described E type for punching press; Or described E shaped iron core split manufacturing step also comprises the steps: to adhere to described first bond in the punching of stamping forming described E type.
3. the manufacture method of transformer core as claimed in claim 1 or 2, is characterized in that: described I shaped iron core split manufacturing step also comprises the steps: to adhere to described second bond on the punching raw material forming the punching of described I type for punching press; Or described I shaped iron core split manufacturing step also comprises the steps: to adhere to described second bond in the punching of stamping forming described I type.
4. the manufacture method of transformer core as claimed in claim 1, it is characterized in that: in described E shaped iron core split manufacturing step and described I shaped iron core split manufacturing step, the split of described E shaped iron core and the split of described I shaped iron core are overrided to form by the punching of described E type and the punching of described I type respectively, and the punching of described E type and the punching of described I type are cut into type in same punching raw material upper punch.
5. the manufacture method of the transformer core as described in claim 1 or 2 or 4, is characterized in that: described first bond and/or described second bond are heat-curing type resinoid bond.
6. the manufacture method of transformer core as claimed in claim 1, it is characterized in that: the split of described E shaped iron core has openend, described iron core number of assembling steps comprises the steps: the split of described I shaped iron core by welding or rivet or buckle connected mode being mounted on described openend.
7. the manufacture method of the transformer core as described in claim 1 or 2 or 4 or 6, it is characterized in that: the split of described E shaped iron core comprises base portion and be spaced the first projection portion, the second projection portion, the 3rd projection portion on described base portion, and the length that described base portion extends along the orientation of described first projection portion, described second projection portion and described 3rd projection portion is 20-200mm.
8. transformer core, is characterized in that: adopt the manufacture method of the transformer core as described in any one of claim 1 to 7 to make.
9. transformer manufacturing method, comprise iron core manufacturing step, winding manufacturing step, winding suit step, mounting base installation steps, it is characterized in that: described iron core manufacturing step comprises the step designed in the manufacture method of the transformer core described in any one of claim 1 to 7, wherein, before described winding manufacturing step and described winding suit step are all located at described iron core number of assembling steps, and described winding suit step is located at described E shaped iron core split manufacturing step, after I shaped iron core split manufacturing step and described winding manufacturing step, after described mounting base installation steps are located at described iron core number of assembling steps.
10. transformer, is characterized in that: adopt transformer manufacturing method as claimed in claim 9 to make.
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| CN110918738A (en) * | 2018-09-20 | 2020-03-27 | 丰田自动车株式会社 | Manufacturing method of iron core |
| CN114156059A (en) * | 2020-09-07 | 2022-03-08 | Oppo（重庆）智能科技有限公司 | Transformers, Power Adapters and Electronic Equipment Components |
| CN114175185A (en) * | 2019-07-31 | 2022-03-11 | Sht有限公司 | Current transformer and current transformer manufacturing method |
| CN115123614A (en) * | 2022-05-27 | 2022-09-30 | 新华都特种电气股份有限公司 | Iron core processing system |
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| CN105244161A (en) * | 2015-10-28 | 2016-01-13 | 桂林新艺制冷设备有限责任公司 | Manufacturing method of transformer iron core |
| CN110918738A (en) * | 2018-09-20 | 2020-03-27 | 丰田自动车株式会社 | Manufacturing method of iron core |
| CN110918738B (en) * | 2018-09-20 | 2021-06-18 | 丰田自动车株式会社 | Manufacturing method of iron core |
| CN114175185A (en) * | 2019-07-31 | 2022-03-11 | Sht有限公司 | Current transformer and current transformer manufacturing method |
| CN114156059A (en) * | 2020-09-07 | 2022-03-08 | Oppo（重庆）智能科技有限公司 | Transformers, Power Adapters and Electronic Equipment Components |
| CN114156059B (en) * | 2020-09-07 | 2025-01-07 | Oppo（重庆）智能科技有限公司 | Transformers, power adapters and electronic equipment components |
| CN115123614A (en) * | 2022-05-27 | 2022-09-30 | 新华都特种电气股份有限公司 | Iron core processing system |
| CN115123614B (en) * | 2022-05-27 | 2024-03-15 | 新华都特种电气股份有限公司 | Iron core processing system |
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