CN201886409U - Computer and power supply circuit thereof - Google Patents
Computer and power supply circuit thereof Download PDFInfo
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- CN201886409U CN201886409U CN2010205833485U CN201020583348U CN201886409U CN 201886409 U CN201886409 U CN 201886409U CN 2010205833485 U CN2010205833485 U CN 2010205833485U CN 201020583348 U CN201020583348 U CN 201020583348U CN 201886409 U CN201886409 U CN 201886409U
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- power supply
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- supply unit
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Abstract
The utility model is applicable to the field of computers, and provides a computer and a power supply circuit thereof. The power supply circuit of the computer consists of a computer mainboard power supply unit for supplying power for a computer mainboard, and a display power supply unit for supplying power for a display, and the computer mainboard power supply unit and the display power supply unit are respectively connected to a first secondary winding and a second secondary winding of an isolating high-frequency main transformer, therefore, a power supply negative electrode of the computer mainboard power supply unit and a power supply negative electrode of the display power supply unit are isolated by the isolating high-frequency main transformer so as to avoid interference to the picture of the display, furthermore, when a computer host is in standby and sleep statuses, the power supply of the display is closed, the zero power consumption of the display in standby status can be achieved; in addition, the display can be made to be ultra-thin, raw materials can be saved, and the energy-saving and emission reduction effects can be realized.
Description
Technical field
The utility model belongs to the computer field, relates in particular to a kind of computer and power circuit thereof.
Background technology
As a developing power, China will realize sustainable development, just can not adopt the road for development of the height consumes energy that developed country once passed by, and the new energy is sought in the development that must rely on Science and Technology, save and use the influence of energy reduction, thereby the use that reduces source material reduces emission of carbon-dioxide environment.
Now, the display of computer and main frame all are to adopt independently electric supply system respectively.After main frame shutdown or the dormancy, display still needs power consumption, has increased the power consumption of computer so undoubtedly; Main frame and display adopt the independently repeated use of power supply power supply also having increased source material, and source material uses unfavorable to reducing emission of carbon-dioxide too much.
At present, display and main frame that computer also occurred adopt same electric supply system, but because technology is immature, after the simple straight power supply of display with computer, display picture disturbs too big, and this scheme is not accepted by market as a result.
The utility model content
The purpose of this utility model is to provide a kind of power circuit of computer, is intended to solve existing computer monitor and main frame and exists display picture to be subjected to the problem of very big interference because adopt same electric supply system.
The utility model is achieved in that a kind of power circuit of computer, and the power circuit of described computer comprises:
Power supply primary unit, isolation high frequency main transformer, computer main board power supply unit and monitor power supply unit;
The input termination AC power of described power supply primary unit, the elementary winding of the described isolation high frequency main transformer of output termination of described power supply primary unit, first secondary winding of described isolation high frequency main transformer connects the input end of described computer main board power supply unit, the output termination computer main board of described computer main board power supply unit;
The second subprime winding of described isolation high frequency main transformer connects the input end of described monitor power supply unit, the output termination display of described monitor power supply unit.
In the said structure, described monitor power supply unit comprises:
Rectification module, filtration module and pull-up resistor R1;
The input end of described rectification module is the input end of monitor power supply unit, connect first end and the 3rd end of the second subprime winding of described isolation high frequency main transformer respectively, the input end of the described filtration module of output termination of described rectification module, the two ends of the output terminal of described filtration module connect display by the pull-up resistor R1 of a parallel connection.
In the said structure, described rectification module comprises:
Diode D1 and diode D2;
The anode of described diode D1 and diode D2 connects first end and the 3rd end of the second subprime winding of described isolation high frequency main transformer respectively, and the negative electrode of described diode D1 and diode D2 links together and connects the input end of described filtration module.
In the said structure, described filtration module comprises:
Capacitor C 1, capacitor C 2 and inductance L 1;
First end of described inductance L 1 connects the negative electrode of described diode D1 and diode D2 simultaneously, first end of the described inductance L 1 of first termination of described capacitor C 1, second end of the second subprime winding of the described isolation high frequency main transformer of second termination of described capacitor C 1, second end of the described inductance L 1 of first termination of described capacitor C 2, second end of the second subprime winding of the described isolation high frequency main transformer of second termination of described capacitor C 2, first end of described capacitor C 2 and second end are the output terminal of filtration module.
Another purpose of the present utility model is to provide a kind of computer, and described computer comprises the power circuit of computer, and the power circuit of described computer comprises:
Power supply primary unit, isolation high frequency main transformer, computer main board power supply unit and monitor power supply unit;
The input termination AC power of described power supply primary unit, the elementary winding of the described isolation high frequency main transformer of output termination of described power supply primary unit, first secondary winding of described isolation high frequency main transformer connects the input end of described computer main board power supply unit, the output termination computer main board of described computer main board power supply unit;
The second subprime winding of described isolation high frequency main transformer connects the input end of described monitor power supply unit, the output termination display of described monitor power supply unit.
In the said structure, described monitor power supply unit comprises:
Rectification module, filtration module and pull-up resistor R1;
The input end of described rectification module is the input end of monitor power supply unit, connect first end and the 3rd end of the second subprime winding of described isolation high frequency main transformer respectively, the input end of the described filtration module of output termination of described rectification module, the two ends of the output terminal of described filtration module connect display by the pull-up resistor R1 of a parallel connection.
In the said structure, described rectification module comprises:
Diode D1 and diode D2;
The anode of described diode D1 and diode D2 connects first end and the 3rd end of the second subprime winding of described isolation high frequency main transformer respectively, and the negative electrode of described diode D1 and diode D2 links together and connects the input end of described filtration module.
In the said structure, described filtration module comprises:
Capacitor C 1, capacitor C 2 and inductance L 1;
First end of described inductance L 1 connects the negative electrode of described diode D1 and diode D2 simultaneously, first end of the described inductance L 1 of first termination of described capacitor C 1, second end of the second subprime winding of the described isolation high frequency main transformer of second termination of described capacitor C 1, second end of the described inductance L 1 of first termination of described capacitor C 2, second end of the second subprime winding of the described isolation high frequency main transformer of second termination of described capacitor C 2, first end of described capacitor C 2 and second end are the output terminal of filtration module.
In the utility model, the power circuit of computer comprises respectively to the computer main board power supply unit of computer main board power supply with to the monitor power supply unit of monitor power supply, computer main board power supply unit and monitor power supply unit connect first secondary winding and the second subprime winding of isolating high frequency main transformer respectively, therefore the power supply negative pole of the power supply negative pole of computer main board power supply unit and monitor power supply unit is isolated the high frequency main transformer isolation, avoid display picture to be interfered, and when host computer is in standby and dormancy, close the power supply of display, can make make displays arrive the standby zero-power, in addition, this display can be accomplished ultra-thin, save material, realize energy-saving and emission-reduction.
Description of drawings
Fig. 1 is the structural drawing of the power circuit of the computer that provides of the utility model embodiment;
Fig. 2 is the examples of circuits structural drawing of the power circuit of the computer that provides of the utility model embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Fig. 1 shows the structure of the power circuit of the computer that the utility model embodiment provides, and for convenience of explanation, only shows the part relevant with the utility model embodiment.
Computer comprises the power circuit of computer, and the power circuit of computer comprises:
Power supply primary unit 100, isolation high frequency main transformer 200, computer main board power supply unit 300 and monitor power supply unit 400;
The input termination AC power of power supply primary unit 100, the output termination of power supply primary unit 100 is isolated the elementary winding of high frequency main transformer 200, first secondary winding of isolating high frequency main transformer 200 connects the input end of computer main board power supply unit 300, the output termination computer main board of computer main board power supply unit 300;
The second subprime winding of isolating high frequency main transformer 200 connects the input end of monitor power supply unit 400, the output termination display of monitor power supply unit 400.
Fig. 2 shows the examples of circuits structure of the power circuit of the computer that the utility model embodiment provides, and for convenience of explanation, only shows the part relevant with the utility model embodiment.
As the utility model one embodiment, monitor power supply unit 400 comprises:
Rectification module 401, filtration module 402 and pull-up resistor R1;
The input end of rectification module 401 is the input end of monitor power supply unit 400, connect first end 1 and the 3rd end 3 of the second subprime winding of isolating high frequency main transformer 200 respectively, the input end of the output termination filtration module 402 of rectification module 401, the two ends of the output terminal of filtration module 402 connect display by the pull-up resistor R1 of a parallel connection.
As the utility model one embodiment, rectification module 401 comprises:
Diode D1 and diode D2;
The anode of diode D1 and diode D2 connects first end 1 and the 3rd end 3 of the second subprime winding of isolating high frequency main transformer 200 respectively, and the negative electrode of diode D1 and diode D2 links together and connects the input end of filtration module 402.
As the utility model one embodiment, filtration module 402 comprises:
Capacitor C 1, capacitor C 2 and inductance L 1;
First end of inductance L 1 connects the negative electrode of diode D1 and diode D2 simultaneously, first end of the first termination inductance L 1 of capacitor C 1, second termination of capacitor C 1 is isolated second end 2 of the second subprime winding of high frequency main transformer 200, second end of the first termination inductance L 1 of capacitor C 2, second termination of capacitor C 2 is isolated second end 2 of the second subprime winding of high frequency main transformer 200, and first end of capacitor C 2 and second end are the output terminal of filtration module 402.
In the utility model embodiment, the power circuit of computer comprises respectively to the computer main board power supply unit of computer main board power supply with to the monitor power supply unit of monitor power supply, computer main board power supply unit and monitor power supply unit connect first secondary winding and the second subprime winding of isolating high frequency main transformer respectively, therefore the power supply negative pole of the power supply negative pole of computer main board power supply unit and monitor power supply unit is isolated the high frequency main transformer isolation, avoid display picture to be interfered, and when host computer is in standby and dormancy, close the power supply of display, can make make displays arrive the standby zero-power, in addition, this display can be accomplished ultra-thin, save material, realize energy-saving and emission-reduction.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (8)
1. the power circuit of a computer is characterized in that, the power circuit of described computer comprises:
Power supply primary unit, isolation high frequency main transformer, computer main board power supply unit and monitor power supply unit;
The input termination AC power of described power supply primary unit, the elementary winding of the described isolation high frequency main transformer of output termination of described power supply primary unit, first secondary winding of described isolation high frequency main transformer connects the input end of described computer main board power supply unit, the output termination computer main board of described computer main board power supply unit;
The second subprime winding of described isolation high frequency main transformer connects the input end of described monitor power supply unit, the output termination display of described monitor power supply unit.
2. the power circuit of computer as claimed in claim 1 is characterized in that, described monitor power supply unit comprises:
Rectification module, filtration module and pull-up resistor R1;
The input end of described rectification module is the input end of monitor power supply unit, connect first end and the 3rd end of the second subprime winding of described isolation high frequency main transformer respectively, the input end of the described filtration module of output termination of described rectification module, the two ends of the output terminal of described filtration module connect display by the pull-up resistor R1 of a parallel connection.
3. the power circuit of computer as claimed in claim 2 is characterized in that, described rectification module comprises:
Diode D1 and diode D2;
The anode of described diode D1 and diode D2 connects first end and the 3rd end of the second subprime winding of described isolation high frequency main transformer respectively, and the negative electrode of described diode D1 and diode D2 links together and connects the input end of described filtration module.
4. the power circuit of computer as claimed in claim 3 is characterized in that, described filtration module comprises:
Capacitor C 1, capacitor C 2 and inductance L 1;
First end of described inductance L 1 connects the negative electrode of described diode D1 and diode D2 simultaneously, first end of the described inductance L 1 of first termination of described capacitor C 1, second end of the second subprime winding of the described isolation high frequency main transformer of second termination of described capacitor C 1, second end of the described inductance L 1 of first termination of described capacitor C 2, second end of the second subprime winding of the described isolation high frequency main transformer of second termination of described capacitor C 2, first end of described capacitor C 2 and second end are the output terminal of filtration module.
5. computer, described computer comprises the power circuit of computer, it is characterized in that, the power circuit of described computer comprises:
Power supply primary unit, isolation high frequency main transformer, computer main board power supply unit and monitor power supply unit;
The input termination AC power of described power supply primary unit, the elementary winding of the described isolation high frequency main transformer of output termination of described power supply primary unit, first secondary winding of described isolation high frequency main transformer connects the input end of described computer main board power supply unit, the output termination computer main board of described computer main board power supply unit;
The second subprime winding of described isolation high frequency main transformer connects the input end of described monitor power supply unit, the output termination display of described monitor power supply unit.
6. computer as claimed in claim 5 is characterized in that, described monitor power supply unit comprises:
Rectification module, filtration module and pull-up resistor R1;
The input end of described rectification module is the input end of monitor power supply unit, connect first end and the 3rd end of the second subprime winding of described isolation high frequency main transformer respectively, the input end of the described filtration module of output termination of described rectification module, the two ends of the output terminal of described filtration module connect display by the pull-up resistor R1 of a parallel connection.
7. computer as claimed in claim 6 is characterized in that, described rectification module comprises:
Diode D1 and diode D2;
The anode of described diode D1 and diode D2 connects first end and the 3rd end of the second subprime winding of described isolation high frequency main transformer respectively, and the negative electrode of described diode D1 and diode D2 links together and connects the input end of described filtration module.
8. computer as claimed in claim 7 is characterized in that, described filtration module comprises:
Capacitor C 1, capacitor C 2 and inductance L 1;
First end of described inductance L 1 connects the negative electrode of described diode D1 and diode D2 simultaneously, first end of the described inductance L 1 of first termination of described capacitor C 1, second end of the second subprime winding of the described isolation high frequency main transformer of second termination of described capacitor C 1, second end of the described inductance L 1 of first termination of described capacitor C 2, second end of the second subprime winding of the described isolation high frequency main transformer of second termination of described capacitor C 2, first end of described capacitor C 2 and second end are the output terminal of filtration module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205833485U CN201886409U (en) | 2010-10-29 | 2010-10-29 | Computer and power supply circuit thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205833485U CN201886409U (en) | 2010-10-29 | 2010-10-29 | Computer and power supply circuit thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201886409U true CN201886409U (en) | 2011-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205833485U Expired - Fee Related CN201886409U (en) | 2010-10-29 | 2010-10-29 | Computer and power supply circuit thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201886409U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104777892A (en) * | 2015-04-28 | 2015-07-15 | 孙元章 | Display zero-power-consumption standby time delay triggering and awakening device and method |
| CN105807880A (en) * | 2014-12-30 | 2016-07-27 | 联想（上海）信息技术有限公司 | Host power supply and electronic device |
-
2010
- 2010-10-29 CN CN2010205833485U patent/CN201886409U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105807880A (en) * | 2014-12-30 | 2016-07-27 | 联想（上海）信息技术有限公司 | Host power supply and electronic device |
| CN104777892A (en) * | 2015-04-28 | 2015-07-15 | 孙元章 | Display zero-power-consumption standby time delay triggering and awakening device and method |
| CN104777892B (en) * | 2015-04-28 | 2017-12-26 | 孙元章 | The Time-delayed trigger and Rouser and method of display Zero-power-consumption standby |
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Legal Events
| 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: 20110629 Termination date: 20141029 |
|
| EXPY | Termination of patent right or utility model |