CN2729786Y - Computer with new power supply device - Google Patents
Computer with new power supply device Download PDFInfo
- Publication number
- CN2729786Y CN2729786Y CN 200420093818 CN200420093818U CN2729786Y CN 2729786 Y CN2729786 Y CN 2729786Y CN 200420093818 CN200420093818 CN 200420093818 CN 200420093818 U CN200420093818 U CN 200420093818U CN 2729786 Y CN2729786 Y CN 2729786Y
- Authority
- CN
- China
- Prior art keywords
- power supply
- circuit
- computer
- low
- switching tube
- 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
Links
Images
Abstract
The utility model relates to a computer with new power supply device. General computers are respectively supplied power by an AT and an ATX power supply; the volume of the power supply is larger, which cannot be applied for the computer which has small volume and which is easy to be carried; the power consumption is great; the production and the use are inconvenient; the cost is high, and the quality is unstable. The utility model comprises a computer case, an LCD screen, a base, and a portable power supply adaptor. The interior of the computer case is provided with a computer mainframe board whose one side is also provided with a power supply mould set; the new power supply circuit comprises two sets of DC/DC step-down circuits, two sets of LDO step-down circuits, and a portable power supply adaptor in a matching mode. Wherein, the two sets of DC/DC step-down circuits adopt the newest super-high efficiency control chips, the output capacitance with high quality, high-frequency, and low impedance is increased, and the damped circuits of the ringing of the node of the switching tube is increased. Because the super-high efficiency DC/DC step-down chips are used and the output capacitance with high quality and low ESR capacitance is adopted, the working efficiency of the circuit is improved, and the heat dissipation is decreased; the practicability is strong, and the production cost is low.
Description
Technical field
The utility model relates to a kind of computing machine that has novel electric supply installation.
Background technology
Common computer is by AT, the power supply of ATX power supply, and power volume is bigger, can not be applied to the computer that volume is little, be easy to carry about with one, and power consumption is big, produces and uses inconvenience, cost height, quality instability.
The utility model content
The purpose of this utility model is to provide that a kind of to utilize the portable power supply adapters power supply, utilize the DC/DC reduction voltage circuit simultaneously be whole computer power supply, improve power-efficient, reduce the novel computer of thermal losses.
The utility model comprises computer case, liquid crystal display, base and portable power supply adapters, is provided with computer motherboard in the computer case, and computer motherboard one side also is provided with the power supply module; The novel power supply circuit is made up of two groups of DC/DC reduction voltage circuits and two groups of LDO reduction voltage circuit collocation portable power supply adapters.Wherein two groups of DC/DC reduction voltage circuits have adopted up-to-date Ultra-High Efficiency control chip, increase high-quality low impedance at high frequency output capacitance, have increased switching tube node ring damping circuit.Damping circuit has adopted two kinds of circuit connectings: 1, one group of RC series circuit in parallel between the source electrode of the switching tube of high-end and low side and drain electrode respectively, and in order to decay high-end and the node ring low-end switch pipe.2, one group of RC series circuit in parallel between switching tube source electrode of high-end or low side and drain electrode only is in order to the node ring of the serious slightly switching tube of ring of decaying.
The utility model is owing to use Ultra-High Efficiency DC/DC step-down chip, make entire circuit that a good operation basis be arranged, adopt high-quality low ESR electric capacity to do output capacitance, selected rational ESR zero frequency, increase a RC damping circuit to switching tube, ring on the attenuator switch point, enhance circuit performance also suppresses EMI, and circuit working efficient is greatly improved, reduced thermal losses, practical, production cost is low, is beneficial to popularization.
Description of drawings
Fig. 1 is the utility model one-piece construction synoptic diagram;
Fig. 2 is existing computer power electrical block diagram;
Fig. 3 is the utility model circuit construction of electric power synoptic diagram;
Fig. 4 is the utility model damping circuit one circuit diagram;
Fig. 5 is the utility model damping circuit two circuit diagrams.
1 is computer case among the figure, the 2nd, and liquid crystal display, the 3rd, base, the 4th, power supply module, the 5th, portable power supply adapters, the 6th, computer motherboard.
Embodiment
The utility model is described in further details with most preferred embodiment below in conjunction with accompanying drawing:
The utility model comprises computer case (1), liquid crystal display (2), base (3) and portable power supply adapters (5), and (1) is provided with computer motherboard (6) in the computer case, and computer motherboard (6) one sides also are provided with power supply module (4); The novel power supply circuit is made up of two groups of DC/DC reduction voltage circuits and two groups of LDO reduction voltage circuit collocation portable power supply adapters.Wherein two groups of DC/DC reduction voltage circuits have adopted up-to-date Ultra-High Efficiency control chip, increase high-quality low impedance at high frequency output capacitance, have increased switching tube node ring damping circuit.Damping circuit has adopted two kinds of circuit connectings: 1, one group of RC series circuit in parallel between the source electrode of the switching tube of high-end and low side and drain electrode respectively, and in order to decay high-end and the node ring low-end switch pipe.2, one group of RC series circuit in parallel between switching tube source electrode of high-end or low side and drain electrode only is in order to the node ring of the serious slightly switching tube of ring of decaying.R in the damping circuit one
RCAnd C
RCBe the damping circuit of series connection, Q1 is the high-end switch pipe, and Q2 is the low-end switch pipe, and COUT is high-quality low impedance at high frequency electric capacity.R in the damping circuit two
RCAnd C
RCBe the damping circuit of series connection, Q1 is the high-end switch pipe, and Q2 is the low-end switch pipe, C
OUTBe high-quality low impedance at high frequency electric capacity.
Claims (2)
1, a kind of computing machine that has novel electric supply installation, comprise computer case (1), liquid crystal display (2), base (3) and portable power supply adapters (5), (1) is provided with computer motherboard (6) in the computer case, it is characterized in that computer motherboard (6) is provided with power supply module (4), computer is powered by portable power supply adapters (5), power circuit is made up of two groups of DC/DC reduction voltage circuits and two groups of LDO reduction voltage circuit collocation portable power supply adapters, wherein two groups of DC/DC reduction voltage circuits have adopted up-to-date Ultra-High Efficiency control chip, increase high-quality low impedance at high frequency output capacitance, increased switching tube node ring damping circuit.
2, a kind of computing machine that has novel electric supply installation as claimed in claim 1, it is characterized in that the damping circuit of stating can adopt two kinds of circuit connectings: 1, one group of RC series circuit in parallel between the source electrode of the switching tube of high-end and low side and drain electrode respectively, in order to decay high-end and the node ring low-end switch pipe; 2, one group of RC series circuit in parallel between switching tube source electrode of high-end or low side and drain electrode only is in order to the node ring of the serious slightly switching tube of ring of decaying, the R in the damping circuit one
RCAnd C
RCBe the damping circuit of series connection, Q1 is the high-end switch pipe, and Q2 is the low-end switch pipe, C
OUTBe high-quality low impedance at high frequency electric capacity, the R in the damping circuit two
RCAnd C
RCBe the damping circuit of series connection, Q1 is the high-end switch pipe, and Q2 is the low-end switch pipe, C
OUTBe high-quality low impedance at high frequency electric capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420093818 CN2729786Y (en) | 2004-09-30 | 2004-09-30 | Computer with new power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420093818 CN2729786Y (en) | 2004-09-30 | 2004-09-30 | Computer with new power supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2729786Y true CN2729786Y (en) | 2005-09-28 |
Family
ID=35048559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420093818 Expired - Fee Related CN2729786Y (en) | 2004-09-30 | 2004-09-30 | Computer with new power supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2729786Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101334683B (en) * | 2008-08-06 | 2011-02-02 | 吕王华 | Portable notebook type computer base with energy supply |
| CN101816114B (en) * | 2007-10-03 | 2013-05-01 | 高通股份有限公司 | Method and apparatus for conserving energy stored in bypass capacitors during dynamic power collapse |
-
2004
- 2004-09-30 CN CN 200420093818 patent/CN2729786Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101816114B (en) * | 2007-10-03 | 2013-05-01 | 高通股份有限公司 | Method and apparatus for conserving energy stored in bypass capacitors during dynamic power collapse |
| CN101334683B (en) * | 2008-08-06 | 2011-02-02 | 吕王华 | Portable notebook type computer base with energy supply |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101714021B (en) | Computer of hybrid system | |
| CN2763895Y (en) | Notebook computer with double display card | |
| CN2729786Y (en) | Computer with new power supply device | |
| CN200972758Y (en) | Testing device for LCD screen | |
| CN200947187Y (en) | Whole portable computer box | |
| CN102740562B (en) | Power control circuit, backlight module and liquid crystal display device | |
| CN2901364Y (en) | Thin display | |
| CN2904456Y (en) | Frequency reducing circuit for power managing chip | |
| CN101056325A (en) | Organic luminescence display unit of the mobile phone and method for reducing the power consumption of the mobile phone | |
| CN202696963U (en) | Power supply control circuit, backlight module and liquid crystal display device | |
| CN201886409U (en) | Computer and power supply circuit thereof | |
| CN206542509U (en) | For the standby lower optional quick turn-on circuit of flat panel TV | |
| CN201467324U (en) | Low power consumption CPU standby commutation circuit | |
| CN2567609Y (en) | Driving device for cold-cathode lamp of liquid crystal display | |
| CN206097871U (en) | LCD backlight drive device and mobile terminal | |
| CN2870068Y (en) | General liquid-crystal Chinese-charater displaying module | |
| CN214626424U (en) | Power management device for intelligent blackboard electric energy distribution | |
| CN201440267U (en) | Large-screen solar calculator | |
| CN203799626U (en) | NCP5810D chip based AMOLED (Active-matrix Organic Light Emitting Diode) display screen power supply driving module | |
| CN2404160Y (en) | Electronic text storage reader | |
| CN2615743Y (en) | PS/2 keyboard with energy-saving and high driving capacity selection | |
| CN219576864U (en) | Step-down module and energy storage power supply | |
| CN203931460U (en) | High-performance industrial control system base plate | |
| CN201550018U (en) | DC switch power supply start-up circuit | |
| CN2632839Y (en) | Electric saving relay driven by high-low level control pulse current |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |