CN202995616U - Computer intelligence self-protection power supply power source - Google Patents
Computer intelligence self-protection power supply power source Download PDFInfo
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- CN202995616U CN202995616U CN 201220646922 CN201220646922U CN202995616U CN 202995616 U CN202995616 U CN 202995616U CN 201220646922 CN201220646922 CN 201220646922 CN 201220646922 U CN201220646922 U CN 201220646922U CN 202995616 U CN202995616 U CN 202995616U
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- intelligence self
- computer intelligence
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Abstract
The utility model discloses a computer intelligence self-protection power supply power source. The computer intelligence self-protection power supply power source comprises a main power supply circuit, a super-capacitor battery group, a direct current (DC) /DC transforming module and a controlling circuit. One end of the main power supply circuit is connected with electric supply. The super-capacitor battery group and the DC/DC transforming module are respectively connected with the other end of the main power supply circuit through a diode. One end of the controlling circuit is connected with the DC/DC transforming module and the other end of the controlling circuit is connected with the super-capacitor battery group. According to the computer intelligence self-protection power supply power source, when two-phase electric supply is input regularly, on the one hand, the super-capacitor battery group is charged by the main power supply circuit, on the other hand, a plurality of groups of direct current voltage is output by the DC/DC module and the computer is supplied with electricity by the plurality of groups of the direct current voltage. The switch movement of the controlling circuit occurs when the electric supply is abnormal or breaks off suddenly. Electricity begins to be discharged by the super-capacitor module group, required voltage of the computer is output by the DC/DC module, and thus power failure delaying protection is achieved.
Description
Technical field
The utility model relates to a kind of power supply, particularly a kind of computer intelligence self-shield power supply.
Background technology
In information society, computer application is extremely extensive, has spreaded all over the every field of economy, politics, military affairs and social life.At present, computer application can be summarized as the following aspects.1. science is calculated 4. computer aided system of (or being called numerical evaluation) 2. process measurement and control 3. information managements (data processing), comprises computer-aided design (CAD), computer-aided manufacturing, computer-aided design (CAD) and computer-aided instruction etc.Computing machine plays an important role, and just seems very important for computer power supply.In the ordinary course of things, computer power supply is directly to receive the two-phase civil power, and process computer power supply output dc voltage is to computer power supply.Suddenly cut off the power supply if electrical network occurs, will cause to a certain extent infringement to computer hardware, and the content of working may have little time to preserve, this has brought great inconvenience and factor data to lose the generation massive losses to the user of computing machine undoubtedly.In order to be very difficult for this to happen, common way is an external UPS.But external UPS also has its not enough aspect:
1, cost compare is high
About 250W to 500W left and right, price is that between 100 to 220 yuan, the UPS of a suitable power needs 300 yuan of left and right to the power of a computer power supply greatly, and cost is higher comparatively speaking
2, the space that takies is also larger
UPS adopts external mode, thus independently IO interface and independently cooling system are arranged, and also also relatively large for the accumulator of energy storage, therefore, the volume of an external UPS is often also large than a computer power supply.
3, mobile carrying neither be very convenient
Due to circumscribed UPS and computer power supply separate, therefore separate with cabinet, quite inconvenient in moving process.
4. energy-storage travelling wave tube is not good enough
The energy-storage travelling wave tube that general UPS adopts is opening lead-acid battery, maintenance-free battery or Ni-Cr battery.Open lead-acid battery, i.e. accumulator, it is bulky, safeguards complicatedly, and has etchant gas to discharge; Maintenance-free battery claims again valve controlled sealed lead-acid accumulator, and untimely restorative charging can damage battery, and more responsive to temperature, the life-span is shorter, and is more expensive than lead-acid battery; Nickel-cadmium battery price is relatively costly.
The utility model content
The purpose of this utility model is exactly in order to solve above-mentioned deficiency of the prior art; a kind of computer intelligence self-shield power supply is provided; the utility model connects power supply for calculating under the normal input condition of civil power, the novel computer power supply of power cut off delay protection can be provided under the civil power disconnection.
The technical scheme that the utility model adopts:
A kind of computer intelligence self-shield power supply comprises main feed circuit, super capacitance cell group, DC/DC conversion module and control circuit; Described main feed circuit one end is electrically connected to the city, and the other end is connected with super capacitance cell group, DC/DC conversion module by diode respectively; One end of described control circuit is connected with the DC/DC conversion module, the other end is connected with the super capacitance cell group; Described main feed circuit, super capacitance cell group and DC/DC conversion module connect public earth terminal.
Described control circuit also comprises the power on/off switching device shifter.
Described power on/off switching device shifter is made of interconnective optocoupler and solid-state relay.
Described main feed circuit are by interconnective EMI filtration module, rectification module, inversion module, secondary rectification module, control module and accessory power supply module composition.
Described control module is made of interconnective TL494 power supply chip and LM393 comparer.
Described DC/DC conversion module comprises Boost booster circuit and buck reduction voltage circuit.
Described Boost booster circuit adopts the GS3660 chip that boosts, and described Buck reduction voltage circuit adopts XL4012 step-down chip.
The beneficial effects of the utility model:
According to active computer power technology parameter designing, can satisfy the computer power supply requirement;
Main feed circuit, super capacitor module and DC/DC module whole can reduce volume, directly embeddeding computer cabinet, conveniently mobile carrying;
Adopt this novel energy-storing element of super capacitance cell group, volume is little, environmental protection, and the life-span is long;
Adopt the DC/DC conversion module as output, make structure simpler, practicality.
Description of drawings
Fig. 1 is circuit block diagram of the present utility model;
Fig. 2 is main power supply circuit of the present utility model;
Fig. 3 is the booster circuit figure of DC/DC conversion module;
Fig. 4 is the reduction voltage circuit figure of DC/DC conversion module;
Fig. 5 is power on/off switching device shifter circuit diagram.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Embodiment
As shown in Figure 1, a kind of computer intelligence self-shield power supply comprises main feed circuit, super capacitance cell group, DC/DC conversion module and control circuit; Described main feed circuit one end is electrically connected to the city, and the other end is connected with super capacitance cell group, DC/DC conversion module by diode respectively; One end of described control circuit is connected with the DC/DC conversion module, the other end is connected with the super capacitance cell group, and described main feed circuit, super capacitance cell group and DC/DC conversion module connect public earth terminal.When civil power is normally inputted, main feed circuit charge to the super capacitance cell group on the one hand, and controlling the whether conducting of super capacitance cell group by diode drop and control circuit, is computer power supply through the many groups of DC/DC conversion module output DC voltage on the one hand; When city's electrical anomaly or interrupt suddenly, the control circuit action that switches, the super capacitance cell group begins discharge, through DC/DC conversion module output computing machine required voltage, realizes power cut off delay protection.
As shown in Figure 2, main feed circuit are by interconnective EMI filtration module, rectification module, inversion module, secondary rectification module, control module and accessory power supply module composition.Wherein control module is made of TL494 power supply chip and LM393 comparer.The effect of EMI filtration module is the various undesired signals that filtering is come in by electrical network, prevents that simultaneously the high-frequency signal that power switch circuit forms from polluting electrical network.The alternating current of described 220V becomes the direct current of 300V through after rectification module, then after passing through inversion module and secondary rectification module, the DC voltage of output 7-12V.
As shown in Figure 3, described DC/DC conversion module comprises Boost booster circuit and buck reduction voltage circuit.The Boost booster circuit adopts the GS3660 chip that boosts, and utilize its PWM(pwm unit) superiority, provide one efficiently, the power supply of wider voltage-regulation scope, have less quiescent current, have higher efficient under case of heavy load, noise is little.Adopt the peripheral cell of small size just can obtain satisfied output waveform very much, be convenient to like this reduce the size of circuit cost and circuit.The direct driving N channel field-effect pipe of this circuit PWM output drives and boosts, wide power voltage supply 2.2V-15V, and wide frequency of operation 50KHZ-1MHZ oscillation frequency has under-voltage protection function, soft start and short-circuit protection function.
As shown in Figure 4; described Buck reduction voltage circuit utilizes XL4012 step-down chip; input voltage range by minimum 3.6 volts to the highest 30 volts; output voltage 0.8V-23V capable of regulating and output current can have complete system protection function up to 12A inside and comprise adjustable soft start, short-circuit protection, over-temperature protection and adjustable excess current protective function, and switching frequency is fixed as 260KHz.
As shown in Figure 5, described control circuit also comprises the power on/off switching device shifter, and described power on/off switching device shifter is interconnected to constitute by optocoupler and solid-state relay.
Above-described embodiment is the better embodiment of the utility model; but embodiment of the present utility model is not limited by the examples; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, within being included in protection domain of the present utility model.
Claims (7)
1. a computer intelligence self-shield power supply, is characterized in that, comprises main feed circuit, super capacitance cell group, DC/DC conversion module and control circuit; Described main feed circuit one end is electrically connected to the city, and the other end is connected with super capacitance cell group, DC/DC conversion module by diode respectively; One end of described control circuit is connected with the DC/DC conversion module, the other end is connected with the super capacitance cell group, and described main feed circuit, super capacitance cell group and DC/DC conversion module connect public earth terminal.
2. a kind of computer intelligence self-shield power supply according to claim 1, is characterized in that, described control circuit also comprises the power on/off switching device shifter.
3. a kind of computer intelligence self-shield power supply according to claim 2, is characterized in that, described power on/off switching device shifter is made of interconnective optocoupler and solid-state relay.
4. a kind of computer intelligence self-shield power supply according to claim 1; it is characterized in that, described main feed circuit are by interconnective EMI filtration module, rectification module, inversion module, secondary rectification module, control module and accessory power supply module composition.
5. a kind of computer intelligence self-shield power supply according to claim 4, is characterized in that, described control module is made of interconnective TL494 power supply chip and LM393 comparer.
6. a kind of computer intelligence self-shield power supply according to claim 1, is characterized in that, described DC/DC conversion module comprises Boost booster circuit and buck reduction voltage circuit.
7. a kind of computer intelligence self-shield power supply according to claim 6, is characterized in that, described Boost booster circuit adopts the GS3660 chip that boosts, and described Buck reduction voltage circuit adopts XL4012 step-down chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220646922 CN202995616U (en) | 2012-11-28 | 2012-11-28 | Computer intelligence self-protection power supply power source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220646922 CN202995616U (en) | 2012-11-28 | 2012-11-28 | Computer intelligence self-protection power supply power source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202995616U true CN202995616U (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220646922 Expired - Fee Related CN202995616U (en) | 2012-11-28 | 2012-11-28 | Computer intelligence self-protection power supply power source |
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| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102968170A (en) * | 2012-11-28 | 2013-03-13 | 华南理工大学 | Intelligent self-protection power supply for computer |
| US10141925B1 (en) | 2017-10-27 | 2018-11-27 | Wistron Corp. | Circuits and methods for strengthening load transient response compensation |
| CN109558291A (en) * | 2017-09-27 | 2019-04-02 | 广达电脑股份有限公司 | Detect the system and method for power-supply unit capacitance |
| CN114006462A (en) * | 2021-11-01 | 2022-02-01 | 浙江天正电气股份有限公司 | Power-off protection circuit, electronic equipment and power-off protection method |
-
2012
- 2012-11-28 CN CN 201220646922 patent/CN202995616U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102968170A (en) * | 2012-11-28 | 2013-03-13 | 华南理工大学 | Intelligent self-protection power supply for computer |
| CN109558291A (en) * | 2017-09-27 | 2019-04-02 | 广达电脑股份有限公司 | Detect the system and method for power-supply unit capacitance |
| CN109558291B (en) * | 2017-09-27 | 2022-06-21 | 广达电脑股份有限公司 | System and method for detecting capacitance value of power supply unit |
| US10141925B1 (en) | 2017-10-27 | 2018-11-27 | Wistron Corp. | Circuits and methods for strengthening load transient response compensation |
| CN114006462A (en) * | 2021-11-01 | 2022-02-01 | 浙江天正电气股份有限公司 | Power-off protection circuit, electronic equipment and power-off protection method |
| CN114006462B (en) * | 2021-11-01 | 2024-03-22 | 浙江天正电气股份有限公司 | Power-off protection circuit, electronic equipment and power-off protection method |
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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: 20130612 Termination date: 20151128 |