CN203617879U - Power adapter - Google Patents

Power adapter Download PDF

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Publication number
CN203617879U
CN203617879U CN201320636505.8U CN201320636505U CN203617879U CN 203617879 U CN203617879 U CN 203617879U CN 201320636505 U CN201320636505 U CN 201320636505U CN 203617879 U CN203617879 U CN 203617879U
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CN
China
Prior art keywords
circuit board
capacitor
power supplies
output
screen
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.)
Active
Application number
CN201320636505.8U
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Chinese (zh)
Inventor
孙超
孙巨禄
徐�明
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.)
FSP Powerland Technology Inc
FSP Tech Inc
Original Assignee
FSP Powerland Technology Inc
FSP Tech Inc
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 FSP Powerland Technology Inc, FSP Tech Inc filed Critical FSP Powerland Technology Inc
Priority to CN201320636505.8U priority Critical patent/CN203617879U/en
Application granted granted Critical
Publication of CN203617879U publication Critical patent/CN203617879U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a power adapter which includes a circuit board, the lengthwise size is greater than the horizontal wide; a capacitor which has a long axis shape; and a transformer; the capacitor and the transformer are abreast installed on the same end of the lengthwise direction of the circuit board, and the long axis direction of the capacitor is parallel to the lengthwise direction of the circuit board. Compared with the current technology, the setting mode of the capacitor and the transformer on the circuit board is made to be more reasonable under the condition of the same electrical parameter and the dimension to reduce the volume of the circuit board and even the whole power adapter and to meet the consumers' demand for electronics miniaturization, due to the power adapter provided by the utility model has the circuit board that the lengthwise size thereof is greater than the horizontal wide thereof, the transformer and the capacitor with long axis shape are abreast installed on the same end of the lengthwise direction of the circuit board, moreover the long axis direction of the capacitor is parallel to the lengthwise direction of the circuit board.

Description

Adaptor power supplies
Technical field
The utility model relates to a kind of supply unit, relates in particular to a kind of adaptor power supplies.
Background technology
Power supply adaptor (Power Adapter) is the power supply conversion equipment of small portable electronic device and electronic apparatus, is widely used in the equipment such as notebook computer, phone composite aircraft.
Power supply adaptor generally by connecting the input line of external power source, the output line of power unit and external notebook computer etc. of conversion external power source forms.This power unit comprises shell, circuit board and is distributed in some circuit of circuit board (as input circuit, output circuit, capacitor and transformer) composition.And the power that power unit can reach depends on electrical parameter and the dimensions of capacitor and transformer, the volume of circuit board and whole power unit depends on dimensions and the setting position thereof of capacitor and transformer.But under the condition of equal electrical parameter and dimensions, the setting position of capacitor and transformer is reasonable mostly not, is difficult to reduce the volume of circuit board and whole power unit, thereby cannot meet the demand of current consumer to electronics miniaturization at present.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of adaptor power supplies, so that capacitor and the transformer position at circuit board to be more reasonably set under the condition in equal electrical parameter and dimensions, thereby the volume that reduces the even whole adaptor power supplies of circuit board, meets the demand of current consumer to electronics miniaturization.
For achieving the above object, the utility model provides a kind of adaptor power supplies, comprising:
Circuit board, its lengthwise is greater than horizontal wide;
Capacitor, described capacitor is major axis shape; And
Transformer;
Described capacitor and described transformer are arranged side by side the same one end in described circuit board longitudinally, and the long axis direction of described capacitor is parallel to the longitudinally of described circuit board.
Compared with prior art, because having lengthwise, the utility model adaptor power supplies is greater than horizontal wide circuit board, transformer and the capacitor that is major axis shape are arranged side by side the same one end in circuit board longitudinally, and the major axis of capacitor is parallel to the longitudinally of circuit board, above-mentioned capacitor and the transformer set-up mode on circuit board, make under equal electrical parameter and dimensions condition the setting of capacitor and transformer more reasonable, thereby the volume that has reduced the even whole adaptor power supplies of circuit board, has met the demand of current consumer to electronics miniaturization.
In a preferred embodiment of the present utility model,
Described adaptor power supplies also comprises:
Input, is arranged at the other end of described circuit board longitudinally, and the described other end is different from the set one end of described capacitor;
Filter circuit, is arranged at the described other end and is electrically connected with described input;
Rectification circuit, is arranged at the described other end and is electrically connected with described filter circuit; And
Output, is arranged at same one end of the set described circuit board longitudinally of described capacitor, and is positioned at the right side of described capacitor and the below of described transformer.
Particularly, described input comprises two ports, and two described ports are positioned at described filter circuit both sides along the longitudinally of described circuit board.
Preferably, described circuit board has first surface, and described input, filter circuit, rectification circuit, capacitor, transformer and output are arranged at described first surface.
Preferably, described circuit board also has second, and described adaptor power supplies comprises the first control unit and the second control unit, and described the first control unit and the second control unit are arranged at described second.
Preferably, the described other end of described circuit board has a breach, and described input and filter circuit are less than the distance of described rectification circuit apart from described breach apart from the distance of described breach.
Preferably, the length range of described circuit board is 6.5 centimetres to 7.5 centimetres, and width range is 4.5 centimetres to 5.5 centimetres, and altitude range is 2 centimetres to 3 centimetres.
Preferably, the power density scope of described adaptor power supplies is 0.68 watt/cubic centimetre to 0.79 watt/cubic centimetre.
In a preferred embodiment of the present utility model, described adaptor power supplies also comprises screen, and described screen is coated described circuit board.
Particularly, described input connects alternating current, and two described ports are respectively live wire and zero line; Described output is used for exporting a DC power supply, and described output comprises output cathode and output ground; Described adaptor power supplies also comprises the first safety electric capacity and the second safety electric capacity;
Described live wire and zero line are coupled to described screen;
Be coupled to described output cathode or described output described screen;
Wherein, optional three in described live wire, zero line, output cathode and output ground, both in described three are coupled to described screen by described the first safety electric capacity and described the second safety electric capacity respectively, and the residue person in described three is directly coupled to described screen.
Accompanying drawing explanation
Fig. 1 is the front schematic view of the body of the utility model adaptor power supplies.
Fig. 2 is the schematic rear view of body shown in Fig. 1.
Fig. 3 a~Fig. 3 f is the circuit diagram of the utility model one embodiment.
Embodiment
With detailed reference to one exemplary embodiment of the present utility model, the example of described one exemplary embodiment is described in the accompanying drawings.In addition, all possibility parts are used the assembly/member of same numeral to represent identical or similar portions in graphic and execution mode.
Below with reference to accompanying drawing, the technical solution of the utility model is elaborated.
Please refer to Fig. 2 and Fig. 3, adaptor power supplies of the present utility model comprises that screen 10(is as shown in Figure 3 a) and body 20, screen is coated body 20.Particularly, body 20 comprises circuit board 201, input 202, filter circuit 203, rectification circuit 204, the first control unit 205, the second control unit 206, capacitor 207, transformer 208, output 209, the first safety electric capacity 210 and the second safety electric capacity 211.
Refer to Fig. 1 and Fig. 2, circuit board 201 has first surface and second again, and its lengthwise is greater than horizontal wide.As shown in Figure 1, first surface is provided with input 202, filter circuit 203, rectification circuit 204, capacitor 207, transformer 208, output 209, the first safety electric capacity 210 and the second safety electric capacity 211 of mutual electric connection.Capacitor 207 is major axis shape, and itself and transformer 208 are arranged side by side in the lower end of circuit board 201 longitudinallies, and the major axis of capacitor 207 is parallel to the longitudinally of circuit board 201.Particularly, in the present embodiment, capacitor 207 is rectangular-shaped, and its long limit is close to the left side of circuit board 201, minor face is close to the downside of circuit board 201, transformer 208 and output 209 are positioned at the right side of capacitor 207, and output 209 is positioned at the below of transformer 208, and the first safety electric capacity 210 is between capacitor 207 and output 209; Input 202, filter circuit 203, rectification circuit 204 and the second safety electric capacity 211 are arranged at the upper end of circuit board 201 longitudinallies, rectification circuit 204 and capacitor 207 are all positioned at the left side of circuit board 201, rectification circuit 204 is arranged along horizontal cross direction successively with filter circuit 203, and input 202 comprises two ports (port one, port 2) that lay respectively at filter circuit both sides Shang Xia 203.
As shown in Figure 2, the second face is provided with the first control unit 205 and the second control unit 206.
Can find out from Fig. 1 and Fig. 2, circuit board 201 is " L " shape, has a breach in the upper right side of circuit board 201, connects a plug of input 202 in order to configuration.And input 202 and filter circuit 203 are less than the distance of rectification circuit 204 apart from breach apart from the distance of breach, input 202 and filter circuit 203 are near breach.
Particularly, in the utility model, circuit board 201 length ranges are 6.5 centimetres to 7.5 centimetres, and width range is 4.5 centimetres to 5.5 centimetres, and altitude range is preferably 2 centimetres to 3 centimetres.The volume of this adaptor power supplies is between 88.2-95 cubic centimetres, its power bracket can reach 65w to 70w, power density scope can reach 0.68 watt/cubic centimetre to 0.79 watt/cubic centimetre, makes can the arrange in pairs or groups demand of current slim notebook computer of this adaptor power supplies 100.
It should be noted that, the first control unit 205 and the second control unit 206 are PWM control unit; Input 202 is for connecting an alternating current, and port one and port 2 are respectively live wire (L line) and zero line (N line); Output 209 is for exporting a DC power supply, and it comprises output cathode (V+) and output ground (V-); The first safety electric capacity 210 is a Y1 electric capacity or is the Y2 electric capacity of two serial connections, in Fig. 3 a to Fig. 3 f, represent with " C1 ", the second safety electric capacity 211 is a Y1 electric capacity or is the Y2 electric capacity of two serial connections, in Fig. 3 a to Fig. 3 f, represent with " C2 ", and in Fig. 3 a to Fig. 3 f, the part except input 202, the first safety capacitor C 1, the second safety capacitor C 2 and output 209 is replaced with 40.
Particularly, please refer to Fig. 3 a to Fig. 3 f, live wire (L) is coupled to screen 10 with zero line (N), and output cathode (V+) or output ground (V-) are coupled to screen 10.And, in live wire L, zero line N, output cathode (V+) and output ground (V-) four, select arbitrarily three, in this three both respectively by safety capacitor C 1, C2 to be coupled to screen 10, the residue person in this three is directly coupled to screen 10.
As shown in Figure 3 a, for instance, live wire L is coupled to screen 10 by safety capacitor C 1, and zero line N is coupled to screen 10 by safety capacitor C 2, and output ground (V-) is directly coupled to screen 10.
As shown in Figure 3 b, for instance, live wire L is coupled to screen 10 by safety capacitor C 1, and zero line N is coupled to screen 10 by safety capacitor C 2, and output cathode (V+) is directly coupled to screen 10.
As shown in Figure 3 c, for instance, live wire L is by safety capacitor C 1 to be coupled to screen 10, and zero line N is directly coupled to screen 10, and output ground (V-) is coupled to screen 10 by safety capacitor C 2.
As shown in Figure 3 d, for instance, live wire L is directly coupled to screen 10, and zero line N is coupled to screen 10 by safety capacitor C 1, and output ground (V-) is coupled to screen 10 by safety capacitor C 2.
As shown in Figure 3 e, for instance, live wire L is coupled to screen 10 by safety capacitor C 1, and zero line N is directly coupled to screen 10, and output cathode (V+) is coupled to screen 10 by safety capacitor C 2.
As shown in Fig. 3 f, for instance, live wire L is directly coupled to screen 10, and zero line N is coupled to screen 10 by safety capacitor C 1, and output cathode (V+) is coupled to screen 10 by safety capacitor C 2.
As can be seen from the above description, because having lengthwise, the utility model adaptor power supplies 100 is greater than horizontal wide circuit board 201, transformer 208 and the capacitor 207 that is major axis shape are arranged side by side in same one end of circuit board 201 longitudinallies, and the major axis of capacitor 207 is parallel to the longitudinally of circuit board, above-mentioned capacitor 207 and the set-up mode of transformer 208 on circuit board 201, make under equal electrical parameter and dimensions condition the setting of capacitor 207 and transformer 208 more reasonable, thereby reduce the volume of the even whole adaptor power supplies 100 of circuit board 201, meet the demand of current consumer to electronics miniaturization.
Although the utility model discloses as above with embodiment, so it is not intended to limit the utility model, under any, in technical field, have and conventionally know the knowledgeable, not departing from the scope of technical solutions of the utility model, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be the content that does not depart from technical solutions of the utility model, any simple modification, equivalent variations and the modification above embodiment done according to technical spirit of the present utility model, all still belong in the scope of technical solutions of the utility model.

Claims (8)

1. an adaptor power supplies, is characterized in that, comprising:
Circuit board, its lengthwise is greater than horizontal wide;
Input;
Filter circuit;
Rectification circuit;
Output;
Capacitor, described capacitor is major axis shape;
Transformer;
The first control unit; And
The second control unit;
Described circuit board has first surface and second, described input, filter circuit, rectification circuit, capacitor, transformer and output are arranged at described first surface, described the first control unit and the second control unit are arranged at described second, described capacitor and described transformer are arranged side by side the same one end in described circuit board longitudinally, and the major axis of described capacitor is parallel to the longitudinally of described circuit board.
2. adaptor power supplies as claimed in claim 1, is characterized in that, described input is arranged at the other end of described circuit board longitudinally, and the described other end is different from the set one end of described capacitor;
Described filter circuit, is arranged at the described other end and is electrically connected with described input;
Described rectification circuit, is arranged at the described other end and is electrically connected with described filter circuit; And
Described output, is arranged at same one end of the set described circuit board longitudinally of described capacitor, and is positioned at the right side of described capacitor and the below of described transformer.
3. adaptor power supplies as claimed in claim 2, is characterized in that, described input comprises two ports, and two described ports are positioned at described filter circuit both sides along the longitudinally of described circuit board.
4. adaptor power supplies as claimed in claim 2, is characterized in that, the described other end of described circuit board has a breach, and described input and filter circuit are less than the distance of described rectification circuit apart from described breach apart from the distance of described breach.
5. adaptor power supplies as claimed in claim 1, is characterized in that, the length range of described circuit board is 6.5 centimetres to 7.5 centimetres, and width range is 4.5 centimetres to 5.5 centimetres, and altitude range is 2 centimetres to 3 centimetres.
6. adaptor power supplies as claimed in claim 1, is characterized in that, the power density scope of described adaptor power supplies is 0.68 watt/cubic centimetre to 0.79 watt/cubic centimetre.
7. the adaptor power supplies as described in claim 3 to 6 any one, is characterized in that, described adaptor power supplies also comprises screen, and described screen is coated described circuit board.
8. adaptor power supplies as claimed in claim 7, is characterized in that, described input connects alternating current, and two described ports are respectively live wire and zero line; Described output is used for exporting a DC power supply, and described output comprises output cathode and output ground;
Described adaptor power supplies also comprises the first safety electric capacity and the second safety electric capacity;
Described live wire and zero line are coupled to described screen;
Be coupled to described output cathode or described output described screen;
Wherein, optional three in described live wire, zero line, output cathode and output ground, both in described three are coupled to described screen by described the first safety electric capacity and described the second safety electric capacity respectively, and the residue person in described three is directly coupled to described screen.
CN201320636505.8U 2013-10-15 2013-10-15 Power adapter Active CN203617879U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320636505.8U CN203617879U (en) 2013-10-15 2013-10-15 Power adapter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320636505.8U CN203617879U (en) 2013-10-15 2013-10-15 Power adapter

Publications (1)

Publication Number Publication Date
CN203617879U true CN203617879U (en) 2014-05-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320636505.8U Active CN203617879U (en) 2013-10-15 2013-10-15 Power adapter

Country Status (1)

Country Link
CN (1) CN203617879U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10541616B2 (en) 2016-05-13 2020-01-21 Delta Electronics (Shanghai) Co., Ltd. Power adaptor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10541616B2 (en) 2016-05-13 2020-01-21 Delta Electronics (Shanghai) Co., Ltd. Power adaptor

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