CN110648824A - Framework structure of transformer - Google Patents
Framework structure of transformer Download PDFInfo
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- CN110648824A CN110648824A CN201910895004.3A CN201910895004A CN110648824A CN 110648824 A CN110648824 A CN 110648824A CN 201910895004 A CN201910895004 A CN 201910895004A CN 110648824 A CN110648824 A CN 110648824A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
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Abstract
The invention discloses a framework structure of a transformer, which comprises a coil framework, a winding baffle assembly and a fixed winding assembly, wherein the coil framework comprises a framework body and a fixed convex ring, a winding groove is formed in the framework body, the fixed convex ring is sleeved on the winding groove of the framework body, and the fixed convex ring is arranged in the middle of the winding groove. The invention relates to a framework structure of a transformer, which can improve the winding efficiency of the transformer by arranging a framework body and a fixed convex ring, thereby improving the installation efficiency of the transformer; in a high-voltage use environment, the winding part can be far away from the magnetic core, the phenomenon of magnetic leakage is prevented, the stability of a magnetic field is improved, the power loss of the transformer is reduced, the high-voltage characteristic of the transformer can be controlled, and the stability of the transformer is improved.
Description
Technical Field
The invention relates to the field of transformer structures, in particular to a framework structure of a transformer.
Background
A transformer is a device that changes an alternating voltage using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer), and the like. According to the application, the method can be divided into: power transformers and special transformers (furnace transformers, rectification transformers, power frequency test transformers, voltage regulators, mining transformers, audio transformers, intermediate frequency transformers, high frequency transformers, impact transformers, instrument transformers, electronic transformers, reactors, mutual inductors, etc.). The circuit symbol is usually T as the beginning of the number, for example: t01, T201, etc.
However, in the charging device in the new energy field, a transformer is not generally used, and the winding efficiency of the existing transformer is low due to the limitation of the structure; in addition, the existing transformer is easy to cause the situation of magnetic leakage in a high-voltage use environment, so that the magnetic field is unstable, and the power loss of the transformer is increased; while also making the high voltage characteristics of the transformer difficult to control.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the framework structure of the transformer, which can improve the winding efficiency of the transformer by arranging the framework body and the fixing convex ring, thereby improving the installation efficiency of the transformer; in a high-voltage use environment, the winding part can be far away from the magnetic core, the phenomenon of magnetic leakage is prevented, the stability of a magnetic field is improved, the power loss of the transformer is reduced, the high-voltage characteristic of the transformer can be controlled, and the stability of the transformer is improved.
The purpose of the invention is realized by the following technical scheme:
a bobbin structure of a transformer, comprising:
the coil framework comprises a framework body and a fixed convex ring, wherein a winding groove is formed in the framework body, the fixed convex ring is sleeved on the winding groove of the framework body, and the fixed convex ring is arranged in the middle of the winding groove;
the winding baffle assembly comprises a first winding plate and a second winding plate, the framework body is also provided with a magnetic core hole, a first mounting area and a second mounting area are respectively arranged at two ends of the magnetic core hole of the framework body, and the first winding plate and the second winding plate are respectively arranged on the first mounting area of the framework body; and
the fixed winding assembly comprises a first fixing plate and a second fixing plate, and the first fixing plate and the second fixing plate are respectively arranged on the second mounting area of the framework body.
In one embodiment, the bobbin body includes a first mounting piece, a second mounting piece and a connecting tube, the first mounting piece and the second mounting piece are respectively disposed on two ends of the connecting tube, the first mounting piece, the second mounting piece and the connecting tube together define a winding slot, the first winding board and the second winding board are respectively disposed on the first mounting piece, and the first fixing plate and the second fixing plate are respectively disposed on the second mounting piece.
In one embodiment, the magnetic core hole is a square hole, and the first winding plate and the second winding plate are respectively located on two opposite sides of the square hole.
In one embodiment, the first winding plate comprises a first connecting piece and a first winding piece, the first connecting piece is connected with the first winding piece, and the first connecting piece and the first winding piece are arranged on the first mounting area of the framework body.
In one embodiment, the first winding piece is provided with a plurality of first wire passing grooves, and each first wire passing groove is respectively communicated with the winding groove.
In one embodiment, the second winding plate comprises a second connecting piece and a second winding piece, the second connecting piece is connected with the second winding piece, and the second connecting piece and the second winding piece are arranged on the second mounting area of the framework body.
In one embodiment, the second winding piece is provided with a plurality of second wire passing grooves, and each second wire passing groove is respectively communicated with the winding groove.
In one embodiment, the first fixing plate is provided with a first fixing groove, and the first fixing groove is communicated with the winding groove.
In one embodiment, the second fixing plate is provided with a second fixing groove, and the second fixing groove is communicated with the winding groove.
In one embodiment, the first fixing plate and the second fixing plate are centrosymmetric around the central axis of the magnetic core hole.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the invention relates to a framework structure of a transformer, which can improve the winding efficiency of the transformer by arranging a framework body and a fixed convex ring, thereby improving the installation efficiency of the transformer; in a high-voltage use environment, the winding part can be far away from the magnetic core, the phenomenon of magnetic leakage is prevented, the stability of a magnetic field is improved, the power loss of the transformer is reduced, the high-voltage characteristic of the transformer can be controlled, and the stability of the transformer is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a bobbin structure of a transformer according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a bobbin structure of the transformer shown in FIG. 1 from another perspective;
FIG. 3 is a schematic structural diagram of a bobbin structure of the transformer shown in FIG. 1 from a further perspective;
fig. 4 is a schematic structural diagram of a buffering and fixing device for a transformer according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a fixing assembly of the transformer buffering fixing device shown in fig. 4.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, a bobbin structure of a transformer includes: the transformer comprises a coil frame 100, a winding baffle assembly 200 and a fixed winding assembly 300, wherein the coil frame 100 is used for fixing parts of the whole transformer frame, namely the winding baffle assembly 200 and the fixed winding assembly 300; the winding baffle assembly 200 is used for fixing a winding; the fixed winding assembly 300 is used for fixing a copper wire by matching with the winding baffle assembly.
Referring to fig. 1, the coil bobbin 100 includes a bobbin body 110 and a fixing protrusion ring 120, a winding slot 111 is formed in the bobbin body 110, the fixing protrusion ring 120 is sleeved on the winding slot 111 of the bobbin body 110, and the fixing protrusion ring 120 is disposed in the middle of the winding slot 111. It should be noted that the framework body 110 is used for realizing winding; fixed bulge loop 120 is used for pushing up the copper line of winding on the skeleton body, can be so that the magnetic core is kept away from in the winding part to the phenomenon that can prevent to appear the magnetic leakage improves the stability in magnetic field, reduces the power loss of transformer, can also make the high voltage characteristic of transformer obtain controlling, improves the stability of transformer. That is, eddy current damage can be reduced, and if a copper wire is wound around an air gap, it is coupled to leakage flux, and power loss of the transformer increases.
Referring to fig. 1, the winding baffle assembly 200 includes a first winding plate 210 and a second winding plate 220, the bobbin body further has a magnetic core hole 112, two ends of the magnetic core hole of the bobbin body are respectively provided with a first mounting area and a second mounting area, and the first winding plate 210 and the second winding plate 220 are respectively arranged on the first mounting area of the bobbin body 110. It should be noted that the first winding plate 210 and the second winding plate 220 are used for winding copper wires, so that the copper wires can be fixed, and the winding stability of the transformer is improved. And through setting up first winder plate and second winder plate, can also improve the wire winding efficiency of transformer, and then can improve the installation effectiveness of transformer.
Referring to fig. 2, the fixed winding assembly 300 includes a first fixing plate 310 and a second fixing plate 320, which are respectively disposed on the second mounting region of the bobbin body. It should be noted that the first fixing plate 310 and the second fixing plate 320 are used for fixing the routing of the copper wire, so that the fixing effect of the transformer framework on the copper wire can be further improved, the stability of the transformer is further improved, and the high-voltage characteristic of the transformer is improved.
Referring to fig. 1 and 3, the bobbin body 110 includes a first mounting piece 113, a second mounting piece 114 and a connecting tube 115, the first mounting piece and the second mounting piece are respectively disposed at two ends of the connecting tube, the first mounting piece, the second mounting piece and the connecting tube together form a winding slot, the first winding board and the second winding board are respectively disposed on the first mounting piece, and the first fixing plate and the second fixing plate are respectively disposed on the second mounting piece. The first mounting tab 113 is used for mounting a first winding plate and a second winding plate; the second mounting piece 114 is used for mounting the first fixing plate and the second fixing plate; the connecting tube 115 is used for mounting a magnet, that is, a magnetic core hole is formed in the connecting tube, so that the connecting tube can play a role of fixing the magnet.
It should be noted that the magnetic core hole is a square hole, and the first winding plate and the second winding plate are respectively located on two opposite side edges of one end of the square hole. So, can conveniently fix first winder plate and second winder plate.
Referring to fig. 1, the first winding plate 210 includes a first connecting piece 211 and a first winding sheet 212, the first connecting piece is connected to the first winding sheet, and the first connecting piece and the first winding sheet are disposed on a first mounting region of the bobbin body. The first connecting piece is used for connecting and mounting a first winding piece; the first winding piece is used for realizing winding.
In this embodiment, the first winding piece 212 is provided with a plurality of first wire passing slots 213, and each of the first wire passing slots is respectively communicated with the winding slots. The first wire passing groove is used for placing a copper wire, and winding of the copper wire is achieved.
Referring to fig. 1, the second winding plate 220 includes a second connecting piece 221 and a second winding piece 222, the second connecting piece is connected to the second winding piece, and the second connecting piece and the second winding piece are disposed on the second mounting region of the frame body. The second connecting piece is used for connecting and mounting a second winding piece; the second winding piece is used for realizing winding.
In this embodiment, the second winding piece has a plurality of second wire passing slots 223 formed therein, and each of the second wire passing slots is respectively communicated with the winding slots. The second wire passing groove is used for placing a copper wire, and winding of the copper wire is achieved.
Referring to fig. 2, the first fixing plate 310 is provided with a first fixing groove 311, and the first fixing groove is communicated with the winding groove. A second fixing groove 321 is formed in the second fixing plate 320, and the second fixing groove is communicated with the winding groove. So, through setting up first fixed slot and second fixed slot, can fix the wire winding end of copper line, and then improve the stability to wire winding, improve the structural stability of transformer.
In this embodiment, the first fixing plate and the second fixing plate are symmetric around the central axis of the core hole. Therefore, the stability of the winding can be further improved by arranging the central symmetrical structure.
It can be understood that, in order to install the bobbin structure of the transformer after winding on the circuit board, the stability of the transformer is improved, and the reliability of the electrical connection between the transformer and the circuit board is improved. It should be noted that, because the skeleton structure of the transformer is relatively irregular, therefore, in the actual installation process, the skeleton structure of the transformer may not be attached to the circuit board, so that the transformer cannot be stably installed on the circuit board. Therefore, in an embodiment, the framework structure of the transformer further includes a transformer buffering fixing device, where the transformer buffering fixing device includes a fixing base, a buffering component and a fixing component, the fixing base is used for being mounted on an external circuit board, the buffering component is disposed on the fixing base, and the fixing component is disposed on the buffering component;
the fixing seat comprises a mounting substrate, a plurality of gaskets and a plurality of locking pieces, wherein the mounting substrate is provided with a plurality of fixing screw holes, each gasket is correspondingly arranged on the fixing screw hole of the mounting substrate one by one, each gasket is provided with a through hole, the through hole is communicated with the corresponding fixing screw hole, and each locking piece sequentially penetrates through the through hole and the fixing screw hole; the locking piece comprises a rotating part and a fixing screw rod, the fixing screw rod sequentially penetrates through the through hole and the fixing screw hole, the rotating part is arranged on the fixing screw rod, and the rotating part is positioned on the gasket;
the buffer assembly comprises a first avoiding plate, a second avoiding plate and a buffer connecting plate, two side ends of the buffer connecting plate are respectively connected with the first avoiding plate and the second avoiding plate, the first avoiding plate, the second avoiding plate and the buffer connecting plate are respectively arranged on the fixed seat, the first avoiding plate, the second avoiding plate and the buffer connecting plate are of an integral injection molding structure, a first avoiding groove is formed in the first avoiding plate, a second avoiding groove is formed in the second avoiding plate, the first avoiding groove and the second avoiding groove are symmetrically arranged on the fixed seat, and a first clamping mounting groove and a second clamping mounting groove are further formed in the buffer connecting plate;
the fixing assembly comprises a first fixing clamping piece and a second fixing clamping piece, the first fixing clamping piece comprises a first rotating rod, a first rotating shaft sleeve and a first clamping portion, a first fixed end and a second fixed end of the first rotating rod are respectively arranged on the inner side wall of the first clamping mounting groove, the first rotating shaft sleeve is arranged on the first rotating rod, the first clamping portion is arranged on the first rotating shaft sleeve, a first clamping U-shaped groove is formed in the first clamping portion, and the first clamping U-shaped groove is used for being clamped on one side edge of the framework body; the second fixed clamping piece comprises a second rotating rod, a second rotating shaft sleeve and a second clamping part, a second fixed end and a second fixed end of the second rotating rod are respectively arranged on the inner side wall of the second clamping mounting groove, the second rotating shaft sleeve is sleeved on the second rotating rod, the second clamping part is arranged on the second rotating shaft sleeve, a second clamping U-shaped groove is formed in the second clamping part, and the second clamping U-shaped groove is used for being clamped on the other side edge of the framework body;
therefore, the buffer assembly and the fixing assembly can be fixed by arranging the fixing seat, and the framework structure of the transformer can be further fixed; the buffer assembly is arranged, so that the transformer can be prevented from being in direct contact with an external circuit board, a buffer effect is achieved, in addition, the circuit board and the transformer can be ensured to be tightly connected, and the effect of fixing the transformer is improved; the fixing assembly is arranged and used for clamping the transformer, so that the transformer is fixed on the buffering assembly, and the stability of the structure is improved.
In order to further understand the design principle of the transformer buffering fixing device, the transformer buffering fixing device is described in detail below. Referring to fig. 4, the bobbin structure of the transformer further includes a transformer buffering fixing device 400, where the transformer buffering fixing device 400 includes a fixing base 410, a buffering component 420 and a fixing component 430, the fixing base is used for being mounted on an external circuit board, the buffering component is disposed on the fixing base, and the fixing component is disposed on the buffering component. Therefore, the buffer assembly and the fixing assembly can be fixed by arranging the fixing seat, and the framework structure of the transformer can be further fixed; the buffer assembly is arranged, so that the transformer can be prevented from being in direct contact with an external circuit board, a buffer effect is achieved, in addition, the circuit board and the transformer can be ensured to be tightly connected, and the effect of fixing the transformer is improved; the fixing assembly is arranged and used for clamping the transformer, so that the transformer is fixed on the buffering assembly, and the stability of the structure is improved.
Referring to fig. 4, the fixing base 410 includes a mounting substrate 411, a plurality of spacers 412 and a plurality of locking members 413, the mounting substrate is provided with a plurality of fixing screw holes, each of the spacers is correspondingly disposed on the fixing screw hole of the mounting substrate one by one, each of the spacers is provided with a through hole, the through hole is communicated with the corresponding fixing screw hole, and each of the locking members sequentially penetrates through the through hole and the fixing screw hole; the retaining member includes rotation portion and clamping screw, clamping screw wears to establish in proper order the through-hole with fixed screw, rotation portion set up in clamping screw is last, and the rotation position is located on the gasket. It should be noted that, in this embodiment, the mounting substrate has a rectangular structure, four spacers are provided, and four locking members are provided; thus, the installation substrate can play a role in fixing; the gasket is used for reinforcing the cooperation of retaining member and mounting substrate, the retaining member is used for fixing mounting substrate on the circuit board of outside, and then improves the fixed action to the skeletal structure of transformer. And through setting up four gaskets and four retaining members, conveniently install.
Referring to fig. 4, the buffer assembly 420 includes a first avoiding plate 421, a second avoiding plate 422 and a buffer connecting plate 423, two ends of the buffer connecting plate are respectively connected to the first avoiding plate and the second avoiding plate, the first avoiding plate, the second avoiding plate and the buffer connecting plate are respectively disposed on the fixing base, the first avoiding plate, the second avoiding plate and the buffer connecting plate are an integral injection molding structure, the first avoiding plate 421 is provided with a first avoiding groove 421a, the second avoiding plate is provided with a second avoiding groove 422a, the first avoiding groove and the second avoiding groove are symmetrically disposed on the fixing base, and the buffer connecting plate is further provided with a first clamping mounting groove 423a and a second clamping mounting groove 423 b; it should be noted that, the first avoiding plate 421 is provided with a first avoiding groove, so that the first winding plate or the first fixing plate can be placed in the avoiding groove; the second keeps away and has seted up the second on the board 422 and keep away a groove to can place second winder plate or second fixed plate in this keeps away a inslot, so, can install the skeleton texture of transformer better, can not make winder plate and fixed plate extrusion on the mounting substrate. Buffering connecting plate 423 is used for attaching between the skeleton texture and the mounting substrate of transformer for the skeleton texture of transformer has the effect of buffering, can also guarantee skeleton texture and the structural stability of mounting substrate, and then improves the structural stability of whole transformer. Further, the first and second catching mounting grooves 423a and 423b are used to mount a fixing member.
Referring to fig. 5, the fixing assembly 430 includes a first fixing clip 431 and a second fixing clip, the first fixing clip 431 includes a first rotating rod 431a, a first rotating shaft sleeve 431b and a first clip portion 431c, the first and second fixing ends of the first rotating rod are respectively disposed on the inner sidewall of the first clip mounting groove, the first rotating shaft sleeve is disposed on the first rotating rod, the first clip portion is disposed on the first rotating shaft sleeve, a first clip U-shaped groove is disposed on the first clip portion, and the first clip U-shaped groove 431d is used for being clipped on one side edge of the framework body; the fixed joint spare of second includes second dwang, second rotation axle sleeve and second joint portion, the second stiff end and the second stiff end of second dwang set up respectively in on the inside wall of second joint mounting groove, the second rotates the axle sleeve cover and arranges in on the second dwang, second joint portion set up in on the second rotation axis sleeve, second joint U type groove has been seted up in the second joint portion, second joint U type groove be used for the joint in on the opposite side edge of skeleton body. It should be noted that, when the framework structure of the transformer is installed on the buffering connecting plate, the first clamping U-shaped groove and the second clamping U-shaped groove are respectively clamped at the edges of the two sides of the framework body by rotating the two clamping portions, so that the framework structure of the transformer can be more firmly fixed, and the structural stability of the transformer is improved.
Therefore, the buffer assembly and the fixing assembly can be fixed by arranging the fixing seat, and the framework structure of the transformer can be further fixed; the buffer assembly is arranged, so that the transformer can be prevented from being in direct contact with an external circuit board, a buffer effect is achieved, in addition, the circuit board and the transformer can be ensured to be tightly connected, and the effect of fixing the transformer is improved; the fixing assembly is arranged and used for clamping the transformer, so that the transformer is fixed on the buffering assembly, and the stability of the structure is improved.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the invention relates to a framework structure of a transformer, which can improve the winding efficiency of the transformer by arranging a framework body and a fixed convex ring, thereby improving the installation efficiency of the transformer; in a high-voltage use environment, the winding part can be far away from the magnetic core, the phenomenon of magnetic leakage is prevented, the stability of a magnetic field is improved, the power loss of the transformer is reduced, the high-voltage characteristic of the transformer can be controlled, and the stability of the transformer is improved.
The above embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A bobbin structure for a transformer, comprising:
the coil framework comprises a framework body and a fixed convex ring, wherein a winding groove is formed in the framework body, the fixed convex ring is sleeved on the winding groove of the framework body, and the fixed convex ring is arranged in the middle of the winding groove;
the winding baffle assembly comprises a first winding plate and a second winding plate, the framework body is also provided with a magnetic core hole, a first mounting area and a second mounting area are respectively arranged at two ends of the magnetic core hole of the framework body, and the first winding plate and the second winding plate are respectively arranged on the first mounting area of the framework body; and
the fixed winding assembly comprises a first fixing plate and a second fixing plate, and the first fixing plate and the second fixing plate are respectively arranged on the second mounting area of the framework body.
2. The bobbin structure of the transformer according to claim 1, wherein the bobbin body includes a first mounting piece, a second mounting piece and a connecting tube, the first mounting piece and the second mounting piece are respectively disposed at two ends of the connecting tube, the first mounting piece, the second mounting piece and the connecting tube together define a winding slot, the first winding board and the second winding board are respectively disposed on the first mounting piece, and the first fixing plate and the second fixing plate are respectively disposed on the second mounting piece.
3. The bobbin structure of transformer according to claim 1, wherein the core hole is a square hole, and the first winding plate and the second winding plate are respectively located on two opposite sides of the square hole.
4. The bobbin structure of the transformer according to claim 1, wherein the first winding plate includes a first connection tab and a first winding piece, the first connection tab is connected to the first winding piece, and the first connection tab and the first winding piece are disposed on the first mounting region of the bobbin body.
5. The transformer bobbin structure according to claim 4, wherein the first winding piece has a plurality of first wire slots formed therein, and each of the first wire slots is respectively communicated with the winding slots.
6. The bobbin structure of the transformer according to claim 1, wherein the second winding plate includes a second connection piece and a second winding piece, the second connection piece is connected to the second winding piece, and the second connection piece and the second winding piece are disposed on the second mounting region of the bobbin body.
7. The transformer bobbin structure according to claim 6, wherein the second winding piece has a plurality of second wire slots, and each of the second wire slots is respectively communicated with the winding slots.
8. The transformer bobbin structure according to claim 1, wherein the first fixing plate has a first fixing groove formed therein, and the first fixing groove is communicated with the winding groove.
9. The transformer bobbin structure according to claim 1, wherein the second fixing plate has a second fixing groove formed therein, and the second fixing groove is communicated with the winding groove.
10. The bobbin structure of transformer according to claim 1, wherein the first fixing plate and the second fixing plate are centrosymmetric around the central axis of the core hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910895004.3A CN110648824A (en) | 2019-09-20 | 2019-09-20 | Framework structure of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910895004.3A CN110648824A (en) | 2019-09-20 | 2019-09-20 | Framework structure of transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110648824A true CN110648824A (en) | 2020-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910895004.3A Pending CN110648824A (en) | 2019-09-20 | 2019-09-20 | Framework structure of transformer |
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| Country | Link |
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| CN (1) | CN110648824A (en) |
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2019
- 2019-09-20 CN CN201910895004.3A patent/CN110648824A/en active Pending
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