CN201708028U - Transformer with improved structure - Google Patents

Transformer with improved structure Download PDF

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Publication number
CN201708028U
CN201708028U CN2010201940628U CN201020194062U CN201708028U CN 201708028 U CN201708028 U CN 201708028U CN 2010201940628 U CN2010201940628 U CN 2010201940628U CN 201020194062 U CN201020194062 U CN 201020194062U CN 201708028 U CN201708028 U CN 201708028U
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CN
China
Prior art keywords
weld part
circuit board
transformer
structure improved
siding ring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2010201940628U
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Chinese (zh)
Inventor
王景忠
李佳叡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHENGBAO CO Ltd
Original Assignee
SHENGBAO CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SHENGBAO CO Ltd filed Critical SHENGBAO CO Ltd
Priority to CN2010201940628U priority Critical patent/CN201708028U/en
Application granted granted Critical
Publication of CN201708028U publication Critical patent/CN201708028U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a transformer with an improved structure, which comprises a seat and a circuit board. The seat is provided with a primary lateral coil and a secondary lateral coil; the secondary lateral coil is provided with two or more than two taps in an extending manner; two or more than two posts are arranged on one side of the secondary lateral coil; a metal connection pin is arranged in each post and electrically connected with the taps of the secondary lateral coil; two or more than two blocky copper foils are arranged on the circuit board; an insulating layer is arranged on each copper foil; two or more than two exposed first welding portions, second welding portions and third welding portions are arranged at the positions of the copper foils without the insulating layers and electrically connected; the first welding portions are electrically connected with the metal connection pins; and a voltage-multiplying rectifying circuit is electrically connected between each second welding portion and each third welding portion. By the aid of the transformer with the improved structure, the area of a main circuit board can be effectively reduced to lead the circuit board to be easier in manufacturing.

Description

Structure improved transformer
Technical field
The relevant a kind of transformer of the utility model refers to a kind of structure improved transformer with circuit board especially.
Background technology
The electric circuit of at present commercially available microwave oven inside divides high-tension circuit, control circuit and low-voltage circuit three parts.This high-tension circuit mainly comprises magnetron, high-voltage capacitor, transformer, kenotron.This magnetron is the heart of microwave oven, needs very high pulsating direct current anode voltage and the cathode voltage of about 3~4V during magnetron work.The voltage doubling rectifing circuit that is made of transformer and high-voltage capacitor, kenotron provides the operating voltage that satisfies above-mentioned requirements for magnetron.Low-voltage circuit be before the transformer first siding ring to the circuit between the microwave oven supply power inlet (comprising control circuit, protective tube, thermal circuit beraker protection switch, interlocking sensitive switch, illuminating lamp, timer and power divider switch, rotary tray motor, fan electromotor etc.).
The low-voltage circuit of above-mentioned high-tension circuit, control circuit and part all is to be produced on the same main circuit board.Because high-voltage capacitor, transformer and the kenotron of this high-tension circuit can produce high-tension electricity, when high-voltage capacitor, transformer and kenotron are welded on the main circuit board, must keep a suitable safe distance with the electronic component of low-voltage circuit, be subjected to the high-tension electricity influence with the electronic component of avoiding this low-voltage circuit.Thus, will cause the area of main circuit board to become big, cause the puzzlement in the making.
The utility model content
Therefore, main purpose of the present utility model is to provide a kind of area of main circuit board that allows dwindle, and makes the structure improved transformer that is more prone in the making.
For reaching above-mentioned purpose, the utility model provides a kind of structure improved transformer, and it is in order to drive magnetron, and this transformer comprises:
Pedestal, have first siding ring and second siding ring on it, this second siding ring is extended with two or more taps, and this second siding ring one side has two or more portions, has the metal pin in this each one, the tap electrically connect of this metal pin and this second siding ring;
Circuit board, has two or more than two block Copper Foil on it, this Copper Foil is provided with a layer insulating, on this Copper Foil, there is not the Copper Foil of insulating barrier to form first weld part, second weld part and the 3rd weld part, electrically connect between this first, second and third weld part, this first solder side and this metal pin electrically connect, electrically connect has a voltage doubling rectifing circuit between second weld part and the 3rd weld part.
Have side channel and secondary side channel on the pedestal, be wound with first siding ring and second siding ring respectively on this side channel and the secondary side channel.
Have the group-connecting groove that runs through side channel and secondary side channel on this pedestal, dispose iron core in this group-connecting groove.
Respectively have first perforation and second perforation on this first weld part and second weld part, respectively have first solder side and second solder side on this first perforation and the second perforation periphery.
The electronic component of this second solder side institute electrically connect is a high-voltage capacitor, and the electronic component of the 3rd weld part institute electrically connect is a kenotron; In addition, be provided with an opening in circuit board, and on the circuit board between the 3rd weld part, respectively have breach, when this pedestal and this circuit board winding, group-connecting groove one end of this opening abutment body passes circuit board, and when the welding kenotron, this breach is for ccontaining kenotron.
By structure improved transformer of the present utility model, the high-voltage capacitor and the kenotron of high-tension circuit are produced on the circuit board of a fritter, again with behind circuit board and the high-tension transformer electrically connect, be electrically connected on the main circuit board again, can effectively dwindle the area of main circuit board, make on the circuit board making to be more prone to.
Description of drawings
Fig. 1 is transformer of the present utility model and circuit board decomposing schematic representation;
Fig. 2 is the front elevational schematic of the circuit board printing surface in the utility model;
Fig. 3 is transformer of the present utility model and circuit board combination schematic diagram;
Fig. 4 is the circuit circuit diagram of transformer of the present utility model and kenotron, high-voltage capacitor and magnetron.
Description of reference numerals
1 side channels 11 of pedestal
Secondary side channel 12 first siding rings 13
Second siding ring 14 taps 141
Group-connecting groove 15 iron cores 16
Stake portion 17 metal pins 18
Circuit board 2 Copper Foils 21
Insulating barrier 22 first weld parts 23
First perforation, 231 first solders side 232
24 second perforation 241 of second weld part
Second solder side 242 the 3rd weld part 25
Opening 26 breach 27
High-voltage capacitor 30 kenotrons 40
Magnetron 50
Embodiment
Relevant detailed description of the present utility model and technology contents, existing conjunction with figs. is described as follows:
See also Fig. 1, Fig. 2, it is respectively the front elevational schematic of transformer of the present utility model and circuit board decomposing schematic representation and circuit board printing surface.As shown in the figure, structure improved transformer of the present utility model comprises: pedestal 1 and circuit board 2.
This pedestal 1 has side channel 11 and secondary side channel 12 on it, be wound with formed first siding ring 13 of copper cash and second siding ring 14 on this side channel 11 and the secondary side channel 12 respectively, and this second siding ring 14 is extended with two or more taps 141.Have the group-connecting groove 15 that runs through side channel 11 and secondary side channel 12 on this pedestal 1, this group-connecting groove 15 is for winding iron core 16.These second siding ring 14 1 sides have two or more difform stake portions 17, have metal pin 18 in this one 17, tap 141 electrically connects of this metal pin 18 and this second siding ring 14.
This circuit board 2, have different block Copper Foils 21 on it, this Copper Foil 21 is provided with a layer insulating 22, do not have the Copper Foil 21 of insulating barrier 22 to form first weld part 23, second weld part 24 and the 3rd weld part 25 on this Copper Foil 21, electrically connect together between this first, second and third weld part 23,24,25.Respectively have first perforation, 231 and second perforation 241 on this first weld part 23 and second weld part 24, respectively have first solder side 232 and second solder side 242 on these first perforation, 231 and second perforation, 241 peripheries.This first solder side 232 and these metal pin 18 electrically connects, the electronic component of 242 electrically connects of this second solder side is a high-voltage capacitor 30, the electronic component of 25 electrically connects of the 3rd weld part is a kenotron 40, be a voltage doubling rectifing circuit with this high-voltage capacitor 30 and kenotron 40 electrically connects, i.e. electrically connect voltage doubling rectifing circuit between second weld part 24 and the 3rd weld part 25, the voltage doubling rectifing circuit in the utility model is formed (as shown in Figure 4) by two high-voltage capacitors 30 and two kenotrons 40.In addition, on circuit board 2, be provided with opening 26, and on the circuit board between the 3rd weld part 25, respectively has breach 27, when this pedestal 1 and these circuit board 2 windings, group-connecting groove 15 1 ends of opening 26 abutment bodies 1 pass circuit board 2, when welding kenotron 40, breach 27 is for ccontaining this kenotron 40.
See also Fig. 3, it is transformer of the present utility model and circuit board combination schematic diagram.As shown in the figure, after the pedestal 1 of transformer is twining first siding ring 13 and second siding ring 14, tap 141 and these metal pin 18 electrically connects of this second siding ring 14, this second weld part 24 of this circuit board 2 welds with this high-voltage capacitor 30 simultaneously, after the 3rd weld part 25 welds with this kenotron 40, the metal pin 18 of this transformer is welded on this first weld part 23, integrate with the electrically connect of finishing transformer and this kenotron 40 and high-voltage capacitor 30, again with the main circuit board electrically connect of original electrical equipment, the area of main circuit board is dwindled, make to be more prone to simple in the making.
See also Fig. 4, it is the circuit circuit diagram of transformer of the present utility model and kenotron, high-voltage capacitor and magnetron.As shown in the figure, when external power source is imported after conversion by the first siding ring 13 of transformer, by second siding ring 14 outputs, after the power supply that this second siding ring 14 is exported is handled via the rectification of high-voltage rectifier 40, handle via high-voltage capacitor 30 again as voltage stabilizing circuit, with the power supply voltage stabilizing in a preset range, so that drive this magnetron 50.
Above-mentioned is preferred embodiment of the present utility model only, is not to be used for limiting the scope that the utility model is implemented.Be that every equalization of being done according to the utility model claim changes and modification, be protection range of the present utility model and contain.

Claims (10)

1. structure improved transformer, it is characterized in that in order to drive magnetron described transformer comprises:
Pedestal has first siding ring and second siding ring on it, this second siding ring is extended with two or more taps; In addition, have two or more ones in described second siding ring one side, have the metal pin in this each one, the tap of this metal pin and described second siding ring is electrically connect;
Circuit board, have different block Copper Foils on it, has a layer insulating on this Copper Foil, on described Copper Foil, there is not this insulating barrier part to have the first exposed weld part, second weld part and the 3rd weld part, this first, second and third weld part is electrically connect, described first weld part and described metal pin electrically connect, electrically connect has a voltage doubling rectifing circuit between described second weld part and described the 3rd weld part.
2. structure improved transformer as claimed in claim 1 is characterized in that, has on the described pedestal respectively for side channel that twines described first siding ring and second siding ring and secondary side channel.
3. structure improved transformer as claimed in claim 2 is characterized in that, has the group-connecting groove that runs through a described side channel and secondary side channel on the described pedestal, and this group-connecting groove disposes iron core.
4. structure improved transformer as claimed in claim 3 is characterized in that, has the opening that passes described circuit board for group-connecting groove one end of described pedestal on the described circuit board.
5. structure improved transformer as claimed in claim 1 is characterized in that, described voltage doubling rectifing circuit is made up of two high-voltage capacitors and two kenotrons.
6. structure improved transformer as claimed in claim 5, it is characterized in that, respectively have first perforation and second perforation on described first weld part and described second weld part, respectively have first solder side and second solder side on described first perforation and the described second perforation periphery.
7. structure improved transformer as claimed in claim 6 is characterized in that, first solder side of described first weld part and described metal pin electrically connect.
8. structure improved transformer as claimed in claim 6 is characterized in that, second solder side of described second weld part and described high-voltage capacitor electrically connect.
9. structure improved transformer as claimed in claim 6 is characterized in that, the described kenotron of described the 3rd weld part electrically connect.
10. structure improved transformer as claimed in claim 6 is characterized in that, respectively has breach on the described circuit board between described the 3rd weld part, the ccontaining kenotron that is welded on described the 3rd weld part position of this breach.
CN2010201940628U 2010-05-18 2010-05-18 Transformer with improved structure Expired - Fee Related CN201708028U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010201940628U CN201708028U (en) 2010-05-18 2010-05-18 Transformer with improved structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010201940628U CN201708028U (en) 2010-05-18 2010-05-18 Transformer with improved structure

Publications (1)

Publication Number Publication Date
CN201708028U true CN201708028U (en) 2011-01-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010201940628U Expired - Fee Related CN201708028U (en) 2010-05-18 2010-05-18 Transformer with improved structure

Country Status (1)

Country Link
CN (1) CN201708028U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103943331A (en) * 2013-01-17 2014-07-23 雅达电子国际有限公司 Transformer assembly, method for manufacturing the same and power adapter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103943331A (en) * 2013-01-17 2014-07-23 雅达电子国际有限公司 Transformer assembly, method for manufacturing the same and power adapter

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110112

Termination date: 20150518

EXPY Termination of patent right or utility model