CN103346002A - Transformer for novel electric welding machine - Google Patents
Transformer for novel electric welding machine Download PDFInfo
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- CN103346002A CN103346002A CN2013103126011A CN201310312601A CN103346002A CN 103346002 A CN103346002 A CN 103346002A CN 2013103126011 A CN2013103126011 A CN 2013103126011A CN 201310312601 A CN201310312601 A CN 201310312601A CN 103346002 A CN103346002 A CN 103346002A
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- electric welding
- welding machine
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Abstract
The invention discloses a transformer for a novel electric welding machine. The transformer comprises an iron core body and a winding. The winding comprises an annular winding base and a coil which is wound on the annular winding base. The iron core body comprises a top shell, a bottom shell and metal fasteners, wherein the metal fasteners enable the top shell and the bottom shell to be buckled with each other, and a core body is arranged at the bottom of the inner cavity of the bottom shell. According to the transformer for the novel electric welding machine, the structural design is reasonable and compact, the iron core body is composed of the top shell and the bottom shell, and the coil is completely wrapped inside the iron core body. Thus, radiation noise generated due to leakage flux and leakage inductance can be lowered, product reliability is improved, magnetic field energy is made to be fully used, the conversion efficiency and the output power of a power supply are improved, the energy is saved, the leakage flux effect, the leakage inductance effect, the skin-effect, the surface effect and the proximity effect of the transformer can be effectively reduced to the minimum degree, the damage on human bodies is reduced, and moreover the transformer is small in size, convenient to assemble and dissemble, and particularly suitable for small-sized electric welding machines.
Description
Technical field
The present invention relates to transformer, be specifically related to a kind of novel electric welding machine transformer.
Background technology
According to Faraday's electromagnetic induction law as can be known, in alternating current circuit, the magnetic line of force is time dependent, and therefore, the height of voltage and the size of electric current also can change thereupon, and people have made various forms of transformers according to this principle.In recent years, switch power technology is just towards aspect development such as efficient, energy-conservation, safety, environmental protection, volume are little.In the Switching Power Supply of no industrial frequency transformer, high frequency transformer is one of core component, be the key technology of Switching Power Supply in Design of High Frequency Transformer, high frequency transformer design whether reasonable can have influence on the cost, volume, stability, electromagnetic interference, radiated noise, EMI filtering, power output, conversion efficiency of shape power supply etc.
The iron-core workpiece structure of traditional transformer is substantially: " E " type, " C " type or " O " type structure, owing to employing between these iron-core workpieces and the coil is the structure of " circuit encirclement magnetic circuit ", the part magnetic field of coil both sides can not be fully utilized, therefore, magnetic flux leakage is bigger, causes the efficient of transformer low, volume is big, cost is high, and it is very big to produce magnetic interference when serving power supply, temperature is too high, can cause other parts to damage easily.。And its structural design defective tightness is prone to problems such as leakage field, leakage inductance, iron loss, exciting current are big, radiating condition is poor, the efficient low noise is big, is not suitable for electric welding machine.
Summary of the invention
At above-mentioned deficiency, the objective of the invention is to, provide that a kind of structure is tight, volume is little, stability is high, easy to loading and unloading and novel electric welding machine transformer that leakage field is little.
For achieving the above object, technical scheme provided by the present invention is:
A kind of novel electric welding machine transformer, it comprises that iron-core workpiece and is arranged on the winding on this iron-core workpiece., described winding comprises that an annular is wrapped in the coil of this annular on seat around seat and, described iron-core workpiece comprises a top shell, a drain pan and the metal fastener that this top shell and drain pan are fastened mutually, in the intracavity bottom of described drain pan be provided with one with described annular around the interior ring of seat suitable and can insert core body in it.
As a kind of improvement of the present invention, described annular is provided with a plurality of fixed parts that are used for fixing the line end of described coil around the bottom of seat outer rim.
As a kind of improvement of the present invention, described fixed part is four, and it is the center of circle respectively and is symmetricly set on described annular around the bottom of seat.
As a kind of improvement of the present invention, the position of corresponding described fixed part is provided with the opening that allows this fixed part expose in described iron-core workpiece.
As a kind of improvement of the present invention, described metal fastener is a rubber-like metal lamellar body, the two ends of this metal lamellar body bend to the same side, wherein, one end forms button portion, and the other end forms down button portion, and corresponding to described top shell top be provided with this on the suitable last button bit of button portion, be provided with the following button bit suitable with this time button portion in described drain pan bottom, be convenient to dismounting and assembling.
As a kind of improvement of the present invention, the middle part of described down button portion bends and extends to form a vertical portion downwards, is convenient to install and fix and dismantles.
Beneficial effect of the present invention is: reasonable in design of the present invention, closely, iron-core workpiece is made up of top shell and drain pan, coil coats within it fully, can reduce because of leakage field, leakage inductance and the radiated noise that produces, improved reliability of products, therefore, conversion efficiency and the power output of power supply have also been improved, energy savings, magnetic field energy is fully utilized, has reduced greatly other damage parts, will allow whole spare part that more stable efficient is provided, and can be effectively with the leakage field of transformer, leakage inductance, the collection skin, table and the proximity effect of becoming is reduced to minimum level, reduces the human injury; The metal fastener adopts fastening structure, ingenious top shell and drain pan is fastened mutually, and forms the iron-core workpiece of integral structure, and volume is little, cooperations is firm, and convenient for assembly and dismantle, and when reducing cost, promoting productivity ratio, maintains easily again; Be particularly useful for more small-sized electric welding machine.
Below in conjunction with accompanying drawing and embodiment, the present invention is further described.
Description of drawings
Fig. 1 is perspective view of the present invention;
Fig. 2 is the upward view structural representation of Fig. 1;
Fig. 3 is the decomposition texture schematic diagram of Fig. 1.
Embodiment
Embodiment, referring to Fig. 1, Fig. 2 and Fig. 3, a kind of novel electric welding machine transformer that present embodiment provides, it comprises that iron-core workpiece 1 and is arranged on the winding 2 on this iron-core workpiece 1, described winding 2 comprises that an annular is wrapped in the coil (in figure do not identify) of this annular on seat 21 around seat 21 and, described iron-core workpiece 1 comprises a top shell 11, one drain pan 12 and the metal fastener 13 that this top shell 11 and drain pan 12 are fastened mutually, iron-core workpiece 1 is made up of top shell 11 and drain pan 12, coil coats within it fully, can reduce because of leakage field, leakage inductance and the radiated noise that produces, improved reliability of products, therefore, also improved conversion efficiency and the power output of power supply, energy savings is fully utilized magnetic field energy, reduced greatly other damage parts, will allow whole spare part that more stable efficient is provided, and can be effectively with the leakage field of transformer, leakage inductance, the collection skin, table and the proximity effect of becoming is reduced to minimum level, reduces the human injury; In the intracavity bottom of described drain pan 12 be provided with one with described annular around the interior ring 211 of seat 21 suitable and can insert core body 121 in it.Described annular is provided with a plurality of fixed parts 212 that are used for fixing the line end of described coil around the bottom of seat 21 outer rim.Described fixed part 212 is four, and it is the center of circle respectively and is symmetricly set on described annular around the bottom of seat 21.The position of corresponding described fixed part 212 is provided with the opening 14 that allows this fixed part 212 expose in described iron-core workpiece 1.Described metal fastener 13 is a rubber-like metal lamellar body, the two ends of this metal lamellar body bend to the same side, wherein, one end forms button portion 131, the other end forms down button portion 132, and corresponding to described top shell 11 tops be provided with this on the suitable last button bit 15 of button portion 131, be provided with the following button bit 16 suitable with this time button portion 132 in described drain pan 12 bottoms, metal fastener 13 adopts fastening structures, ingenious top shell 11 and drain pan 12 is snapped together mutually, and forms the iron-core workpiece 1 of integral structure, volume is little, cooperate firmly, and convenient for assembly and dismounting is reducing cost, when promoting productivity ratio, maintain easily again; The middle part of described down button portion 132 bends and extends to form a vertical portion 133 downwards, is convenient to install and fix and dismantles.
As described in the above embodiment of the present invention, adopt structure same or analogous with it and the transformer of other structure of obtaining, all in protection range of the present invention.
Claims (6)
1. novel electric welding machine transformer, it is characterized in that, it comprises that iron-core workpiece and is arranged on the winding on this iron-core workpiece, described winding comprises that an annular is wrapped in the coil of this annular on seat around seat and, described iron-core workpiece comprises a top shell, a drain pan and the metal fastener that this top shell and drain pan are fastened mutually, in the intracavity bottom of described drain pan be provided with one with described annular around the interior ring of seat suitable and can insert core body in it.
2. novel electric welding machine transformer according to claim 1, it is characterized in that: described annular is provided with a plurality of fixed parts that are used for fixing the line end of described coil around the bottom of seat outer rim.
3. novel electric welding machine transformer according to claim 2, it is characterized in that: described fixed part is four, it is the center of circle respectively and is symmetricly set on described annular around the bottom of seat.
4. novel electric welding machine transformer according to claim 3, it is characterized in that: the position of corresponding described fixed part is provided with the opening that allows this fixed part expose in described iron-core workpiece.
5. novel electric welding machine transformer according to claim 4, it is characterized in that: described metal fastener is a rubber-like metal lamellar body, the two ends of this metal lamellar body bend to the same side, wherein, one end forms button portion, the other end forms down button portion, and corresponding to described top shell top be provided with this on the suitable last button bit of button portion, be provided with the following button bit suitable with this time button portion in described drain pan bottom.
6. novel electric welding machine transformer according to claim 5 is characterized in that: the described middle part of button portion down bends and extends to form a vertical portion downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103126011A CN103346002A (en) | 2013-07-24 | 2013-07-24 | Transformer for novel electric welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103126011A CN103346002A (en) | 2013-07-24 | 2013-07-24 | Transformer for novel electric welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103346002A true CN103346002A (en) | 2013-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013103126011A Pending CN103346002A (en) | 2013-07-24 | 2013-07-24 | Transformer for novel electric welding machine |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201708001U (en) * | 2010-06-03 | 2011-01-12 | 东莞力音电子有限公司 | Low magnetic leakage high frequency transformer |
| CN201796705U (en) * | 2010-09-10 | 2011-04-13 | 东莞创慈磁性元件有限公司 | Improved structure of iron core and bobbin bracket of inductor or transformer |
| US20110241815A1 (en) * | 2010-04-01 | 2011-10-06 | Wen-Ching Lu | Tightly coupled iron core set and winding rack |
| US20130015933A1 (en) * | 2011-07-15 | 2013-01-17 | Delta Electronics, Inc. | Transformer |
| CN202720996U (en) * | 2012-06-06 | 2013-02-06 | 康展电子（东莞）有限公司 | Improved structure of transformer |
-
2013
- 2013-07-24 CN CN2013103126011A patent/CN103346002A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110241815A1 (en) * | 2010-04-01 | 2011-10-06 | Wen-Ching Lu | Tightly coupled iron core set and winding rack |
| CN201708001U (en) * | 2010-06-03 | 2011-01-12 | 东莞力音电子有限公司 | Low magnetic leakage high frequency transformer |
| CN201796705U (en) * | 2010-09-10 | 2011-04-13 | 东莞创慈磁性元件有限公司 | Improved structure of iron core and bobbin bracket of inductor or transformer |
| US20130015933A1 (en) * | 2011-07-15 | 2013-01-17 | Delta Electronics, Inc. | Transformer |
| CN202720996U (en) * | 2012-06-06 | 2013-02-06 | 康展电子（东莞）有限公司 | Improved structure of transformer |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131009 |