CN2510913Y - Multifunctional power source supplier - Google Patents
Multifunctional power source supplier Download PDFInfo
- Publication number
- CN2510913Y CN2510913Y CN 01232629 CN01232629U CN2510913Y CN 2510913 Y CN2510913 Y CN 2510913Y CN 01232629 CN01232629 CN 01232629 CN 01232629 U CN01232629 U CN 01232629U CN 2510913 Y CN2510913 Y CN 2510913Y
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- power
- power supply
- conversion module
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Abstract
The utility model provides a multifunction power supplying device including a power supplying unit, a redundant power unit and a common dc output unit, which are integrated to be used in the computer host, and provide a common dc power, the power supplying unit is mainly composed by an electromagnetic interference filter, a rectifier, a first dc/dc transforming module and a second dc/dc transforming module; the redundant power unit is composed by a charging battery, a charger, a starting and closing circuit, a power-down detecting circuit and a power regulating circuit; when the mains electricity is cut off, the redundant power can replace the power supplying device to provide voltage for a while.
Description
Technical field
The utility model relates to a kind of supply unit, is built in the multifunction power supply of computing machine in particularly a kind of.
Background technology
Electronic industry flourish, bring up the power of various electronic products now, the simple function that early production had faces eliminating of market gradually, the substitute is the product of function integration and volume-diminished, for example the power supply unit of personal computer is also because the microprocessor frequency is constantly accelerated and the amplification of every periphery, more need the supply of large power supply, under the situation of constancy of volume, the efficiency of its conversion and power also will be followed continuous lifting.
In addition, general existing personal computer is if install circumscribed loudspeaker or modulator-demodular unit additional, must extra use a converter to supply with the power supply of loudspeaker or modulator-demodular unit institute palpus, and this power supply generally all uses the direct supply of 9V or 12V, can save cost expenditure or the not enough puzzlement of using of commercial power socket if power supply unit can directly provide.
Referring to Fig. 1, it is the calcspar of a prior art in-building type uninterruptible power supply provider, include a power-supply unit 1a and a spare power unit 2a, wherein this power-supply unit 1a is by Electromagnetic interference filter 11a, rectifier 12a and DC/DC conversion module 13a form, this spare power unit 2a is by charger 21a, rechargeable battery 22a, AC/DC conversion group 23a and circuit for detecting 24a form, this power-supply unit 1a changes into direct current output with electric main, supplying with computer main frame panel and peripherals uses, electric main is input into charger 21a and charges to rechargeable battery 22a at ordinary times, when circuit for detecting 24a detects the civil power outage, send a power-off signal to AC/DC modular converter 23a, this AC/DC modular converter 23a is after receiving power-off signal, the direct current that is about to rechargeable battery 22a is exported the input end that changes into an AC signal and be input into rectifier 12a, and can continue to supply voltage a period of time, this AC/DC modular converter 23a also can make booster circuit in addition, and its output is connected to the input end of DC/DC conversion module 13a, equally can reach identical effect.
But above-mentioned prior art in-building type uninterruptible power supply provider, though can be when civil power cuts off the power supply, continue supply voltage a period of time by spare power unit 2a, yet 2a output in spare power unit need become AC signal or high voltage direct current, like this must be through AC/DC modular converter 23a or change-over circuit such as boost, it will inevitably use transformer, and cause the excessive usage space of can't dwindling of volume, if want whole spare power unit 2a is integrated on now the computer power supply supply, certainly will be infeasible, and required circuit is comparatively complicated and do not have direct current commonly used and disappearance such as externally export.
As from the foregoing, the in-building type uninterruptible power supply provider of above-mentioned prior art on reality is used, obviously has inconvenience and exists with disappearance, and remain to be improved.
Summary of the invention
In order to improve above-mentioned every shortcoming of prior art, fundamental purpose of the present utility model is to provide a multifunction power supply, under the size of the space of existing computer power supply supply, except original power supply deliverability is provided, have more the function of spare power and direct supply output commonly used; The output of spare power unit does not need to pass through to convert high direct voltage or AC signal to again, can cause volume excessive with the transformer of avoiding its required use, can save usage space like this, and allow integrated circuit more be tending towards simple.
Another purpose of the present utility model is to provide a direct supply output commonly used to the computer system outside, use with the device that circumscribed loudspeaker, modulator-demodular unit or other need direct supply are provided, to save the required cost expenditure of extra employing converter, increase whole practicality and convenience.
In order to achieve the above object, the utility model mainly provides a kind of multifunction power supply, comprises a power-supply unit, a spare power unit and a direct current output unit commonly used; This power-supply unit is by Electromagnetic interference filter, rectifier, the first DC/DC conversion module and the second DC/DC conversion module are formed, civil power filters outside noise by Electromagnetic interference filter, and the process rectifier obtains high voltage direct current output, this first DC/DC conversion module is converted to low-voltage direct with high voltage direct current, except part directly is supplied in computer main frame panel and peripheral unit use, all the other can obtain different direct current quasi-position outputs after through the second DC/DC conversion module, and are supplied in computer main frame panel and peripheral unit uses.
This spare power unit, by charger, rechargeable battery, on-off circuit, outage circuit for detecting and electric power management circuit are formed, this charger is obtained a charging source by power-supply unit and rechargeable battery is charged, the outage circuit for detecting is sent a power-off signal to electric power management circuit when detecting the civil power outage, and the on-off circuit source that will power immediately when civil power interrupts switches to rechargeable battery, and charged battery voltage is input into the input end of the second DC/DC conversion module, to change into the required power supply of computer-internal, this electric power management circuit is taked a data backup measure to computer system after receiving power-off signal; Should be formed by direct current output slot and gauge tap by direct current output unit commonly used, obtained direct-current power supply loudspeaker, modulator-demodular unit or other needs the device of direct supply by the second DC/DC conversion module output terminal.
The utility model has following advantage:
(1) after the civil power outage, still can continue to supply voltage a period of time.
(2) little, low-cost, the circuit that do not need additional complexity of volume.
(3) but Extra Supply VD commonly used.
In sum, the real prior art in-building type uninterruptible power supply provider that improved of the utility model, spare power output needs the AC/DC modular converter or change-over circuit such as boost, its required circuit complexity and volume are excessive, and do not have the disappearance that the computer system outside is provided direct supply commonly used.
Description of drawings
Fig. 1 is the calcspar of prior art in-building type uninterruptible power supply provider;
Fig. 2 is a circuit box synoptic diagram of the present utility model;
Fig. 3 is circuit diagram of the present utility model (one);
Fig. 4 is circuit diagram of the present utility model (two);
Fig. 5 is circuit diagram of the present utility model (three);
Fig. 6 is the circuit box synoptic diagram of another embodiment of the utility model.
Embodiment
Referring to Fig. 2-5, the utility model is a kind of multifunction power supply, comprises a power-supply unit 1, a spare power unit 2 and a direct current output unit 3 commonly used; Wherein:
This power-supply unit 1 is made up of Electromagnetic interference filter 11, rectifier 12, the first DC/DC conversion module 13 and the second DC/DC conversion module 14, this Electromagnetic interference filter 11 filters outside noise and disturbs when electric main is imported, obtain high voltage direct current through rectifier 12 outputs again.
This first DC/DC conversion module 13 is connected to form by relay S1, S2, power supply IC 7805,7912,7905 and other assembly, its high voltage direct current with rectifier 12 outputs changes into the low-voltage direct of different accurate positions, this power supply IC 7805,7912,7905 provide respectively 5VSB ,-12V and-voltages such as 5V and directly be supplied in computer main frame panel and peripheral unit and use, this relay S2 also exports the accurate position of a direct current and changes through a diode 15 to second DC/DC conversion modules 14.
This second DC/DC conversion module 14 is by IC U3, U4, transistor Q5-Q14 and other assembly connect to form, it changes into the accurate position of direct current that relay S2 is exported+12V, 5V, 3.3V etc. different voltages and supply with computer main frame panel and peripheral unit uses, produce 9V by IC U4 in addition and supply with direct current output unit 3 uses commonly used, and the different direct current quasi-position outputs that when civil power cuts off the power supply, mainly provided by the second DC/DC conversion module 14, regular supply is provided with a diode 15 between the first DC/DC conversion module 13 and the second DC/DC conversion module 14 in addition in computer main frame panel and peripheral unit required voltage a period of time.
This spare power unit 2 is made up of rechargeable battery 21, charger 22, on-off circuit 23, outage circuit for detecting 24 and electric power management circuit 25; This charger 22 is made up of IC U6 and other assembly, and the DC voltage of its charging source form second DC/DC conversion module 14 outputs is to do the action of charging to rechargeable battery 21.
This outage circuit for detecting 24 is made up of optical coupling device U7 and other assembly, and its output voltage that mainly sees through rectifier 12 is judged whether normal power supply of present mains supply, if detected the civil power powering-off state, promptly sends a power-off signal to electric power management circuit 25.
This on-off circuit 23 is made up of transistor Q15 and other assembly, its output is connected between the diode 15 and the second DC/DC conversion module 14, civil power just often the accurate position of the P end DCVIN of diode 15 be higher than N end accurate position VBATTERY, the power supply source is provided by 13 outputs of the first DC/DC conversion module, and on-off circuit 23 source that will power at present immediately switches to rechargeable battery 21 when civil power interrupts, the output of rechargeable battery 21 voltages inputs to the second DC/DC conversion module 14 via on-off circuit 23, and do not need again to be provided with in addition the change-over circuit that boosts or change into AC signal, can see through 21 supply voltage a period of times of rechargeable battery, this diode 15 avoids rechargeable battery 21 electric currents output back to recharge to the first DC/DC conversion module 13 through on-off circuit 23, so that an insulation blocking effect to be provided, and diode 15 also makes metal-oxide half field effect transistor into to reach identical effect; This on-off circuit 23 also makes into to provide a power-off signal by outage circuit for detecting 24 in addition, switches to rechargeable battery 21 purposes to reach to have no progeny in the civil power.
This electric power management circuit 25 is made up of IC U9, quartz crystal X1 and other assembly, after receiving the power-off signal sent of outage circuit for detecting 24, see through the communication port, power switch or the sleep switch that are connected in computer system, inform computer system give in response to, take the data backup measure, prevent the loss or the damage of data or operation, wherein this communication port can be ports such as serial, USB, LPT, this electric power management circuit 25 is also being monitored the voltage capacity situation of rechargeable battery 21 at present at any time in addition, to inform computer system.
Should be formed by direct current output slot 31 and gauge tap 32 by direct current output unit 3 commonly used, this direct current output slot 31 is obtained direct supply by the second DC/DC conversion module, 14 output terminals, and supply with loudspeaker, modulator-demodular unit or other needs the device of direct supply, and gauge tap 32 is being controlled the Push And Release of direct current output slot 31 power supplys, has both made under the civil power outage and also can provide direct current output commonly used through spare power unit 2.
Referring to Fig. 6, circuit box synoptic diagram for another embodiment of the utility model, this outage circuit for detecting 24 also can change the low-voltage direct by 13 outputs of the first DC/DC conversion module, to judge whether normal power supply of present mains supply, the charging of the charger 22 source output terminal that also can change by rectifier 12 is provided in addition, or is provided (scheming summary) by the first DC/DC conversion module, 13 output terminals.
In sum, the real prior art in-building type uninterruptible power supply provider that improved of the utility model, spare power output needs the AC/DC modular converter or change-over circuit such as boost, its required circuit complexity and volume are excessive, and do not have the disappearance that the computer system outside is provided direct supply commonly used.
Claims (8)
1, a kind of multifunction power supply, it is characterized in that: it comprises:
A. a power-supply unit, form by following each several part:
Can filter outside noise in the civil power Electromagnetic interference filter,
The rectifier of an exportable high voltage direct current,
With high voltage direct current be converted to low-voltage direct the first DC/DC conversion module,
Exportable different direct current quasi-position also is supplied in computer main frame panel and the second DC/DC conversion module of peripheral unit use;
B. a spare power unit, form by following each several part:
Rechargeable battery,
By power-supply unit obtain a charging source and to rechargeable battery do charging charger,
To power immediately when civil power interrupts source switches to rechargeable battery, and the input end that charged battery voltage is input into the second DC/DC conversion module with the on-off circuit that changes into the required power supply of computer-internal,
Detect the civil power outage time send a power-off signal to the outage circuit for detecting of electric power management circuit,
Receive the electric power management circuit of computer system being taked behind the power-off signal data backup measure.
2, multifunction power supply according to claim 1 is characterized in that: be provided with diode or metal-oxide half field effect transistor between this first DC/DC conversion module and the second DC/DC conversion module.
3, multifunction power supply according to claim 1 is characterized in that: the output voltage of this second DC/DC conversion module provides charger one charging source.
4, multifunction power supply according to claim 1 is characterized in that: the output voltage of this rectifier provides charger one charging source.
5, multifunction power supply according to claim 1 is characterized in that: this outage circuit for detecting judge present power supply whether the standard of normal power supply can be the output voltage of rectifier.
6, multifunction power supply according to claim 1 is characterized in that: this outage circuit for detecting judge present power supply whether the standard of normal power supply can be the output voltage of the first DC/DC conversion module.
7, multifunction power supply according to claim 1 is characterized in that: the output of the direct supply of this second DC/DC conversion module is connected to and can provides direct current commonly used to export to loudspeaker, modulator-demodular unit or other needs the direct current output slot of the device of direct supply.
8, multifunction power supply according to claim 7 is characterized in that: the Push And Release suspension control switch of this direct current output power supply that slot provides is controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01232629 CN2510913Y (en) | 2001-07-31 | 2001-07-31 | Multifunctional power source supplier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01232629 CN2510913Y (en) | 2001-07-31 | 2001-07-31 | Multifunctional power source supplier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2510913Y true CN2510913Y (en) | 2002-09-11 |
Family
ID=33646653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01232629 Expired - Fee Related CN2510913Y (en) | 2001-07-31 | 2001-07-31 | Multifunctional power source supplier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2510913Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100458463C (en) * | 2005-10-19 | 2009-02-04 | 台达电子工业股份有限公司 | High-voltage detecting circuit for saving power consumption on stand-by state |
| CN102130491A (en) * | 2010-01-19 | 2011-07-20 | 纬创资通股份有限公司 | Power supply system and portable electronic device |
| CN102478947A (en) * | 2010-11-30 | 2012-05-30 | 英业达股份有限公司 | Servo computer set |
| CN102738814A (en) * | 2011-04-01 | 2012-10-17 | 蔡朝进 | Electric power adjusting apparatus |
| US8441157B2 (en) | 2010-01-12 | 2013-05-14 | Wistron Corporation | Power supply system and portable electronic device using the same |
| CN108566082A (en) * | 2018-02-08 | 2018-09-21 | 深圳市微电元科技有限公司 | A kind of direct current ATX power supplys for supporting various input voltage |
| CN110703894A (en) * | 2019-10-17 | 2020-01-17 | 苏州洋紫瑞信息科技有限公司 | Power-off-preventing shutdown module for desktop computer |
-
2001
- 2001-07-31 CN CN 01232629 patent/CN2510913Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100458463C (en) * | 2005-10-19 | 2009-02-04 | 台达电子工业股份有限公司 | High-voltage detecting circuit for saving power consumption on stand-by state |
| US8441157B2 (en) | 2010-01-12 | 2013-05-14 | Wistron Corporation | Power supply system and portable electronic device using the same |
| CN102130491A (en) * | 2010-01-19 | 2011-07-20 | 纬创资通股份有限公司 | Power supply system and portable electronic device |
| CN102130491B (en) * | 2010-01-19 | 2014-03-12 | 纬创资通股份有限公司 | Power supply system and portable electronic device |
| CN102478947A (en) * | 2010-11-30 | 2012-05-30 | 英业达股份有限公司 | Servo computer set |
| CN102738814A (en) * | 2011-04-01 | 2012-10-17 | 蔡朝进 | Electric power adjusting apparatus |
| CN108566082A (en) * | 2018-02-08 | 2018-09-21 | 深圳市微电元科技有限公司 | A kind of direct current ATX power supplys for supporting various input voltage |
| CN108566082B (en) * | 2018-02-08 | 2024-02-23 | 深圳市微电元科技有限公司 | Direct-current ATX power supply supporting multiple input voltages |
| CN110703894A (en) * | 2019-10-17 | 2020-01-17 | 苏州洋紫瑞信息科技有限公司 | Power-off-preventing shutdown module for desktop computer |
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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 |