CN201562234U - Computer power management equipment - Google Patents
Computer power management equipment Download PDFInfo
- Publication number
- CN201562234U CN201562234U CN200920261004XU CN200920261004U CN201562234U CN 201562234 U CN201562234 U CN 201562234U CN 200920261004X U CN200920261004X U CN 200920261004XU CN 200920261004 U CN200920261004 U CN 200920261004U CN 201562234 U CN201562234 U CN 201562234U
- Authority
- CN
- China
- Prior art keywords
- circuit
- voltage
- management equipment
- voltage conversion
- computer
- 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
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses computer power management equipment which comprises a main control circuit, a voltage conversion circuit, a switching circuit, an ATX power supply circuit, a stand-by battery and a stand-by battery charging circuit, wherein the main control circuit is connected with the commercial power AC line, can judge whether the commercial power voltage is abnormal, and is connected with the control terminals of the voltage conversion circuit and the switching circuit; the voltage conversion circuit is connected with the output terminal of the stand-by battery and outputs the converted voltage; the voltage conversion circuit receives the signal of the main control circuit and is started; the switching circuit is connected with the main control circuit to receive the signal and selects the stand-by battery to supply power to the computer according to the signal; the ATX power supply circuit is used for converting the commercial power voltage into the DC voltage to supply power to the computer; the main control circuit is used for selecting the stand-by battery or the switching circuit to supply power to the computer; and the stand-by battery charging circuit is connected with the commercial power source and charges the stand-by battery. The computer power management equipment has the advantages of simple and practical circuit design and low cost.
Description
Technical field
The utility model belongs to the computer electric power management apparatus field, relates in particular to the computer electric power management equipment with standby power supply function.
Background technology
The active computer power supply is the ATX power supply normally, its major function with civil power exchange be converted to computer operation required ± 12V, ± 5V, 3.3V, 5VSB direct supply.If the power failure fault appears in civil power, computing machine can't be worked.Solution is to adopt UPS (Uninterruptible Power Supply, i.e. uninterrupted power source) as standby power supply, when city's electrical anomaly by the inverter power supply of UPS.But the isolating construction of ATX (ATExternal) power supply and UPS can bring cost height, volume big, use problem such as inconvenience.Also have scheme to propose UPS is incorporated into the ATX power supply at present, utilize intelligent object normally whether to detect mains-supplied, when civil power just often, with the input power supply of civil power as the ATX circuit; When power down appears in civil power, intelligent object will start inverter circuit backup battery voltage is converted to and the essentially identical voltage of line voltage, again by commutation circuit with the output of inverter circuit input power supply as the ATX circuit.
But in this integration mode, the work of inverter circuit is a process of being delivered stream by low pressure commentaries on classics high pressure, direct current, the output of inverter circuit simultaneously is as the input of ATX circuit, and the work that the ATX circuit is done is again a process of being changeed low pressure, interchange commentaries on classics direct current by high pressure.In these two incompatible conversion, certainly will cause the waste of energy and low (particularly the changeing in the process of high pressure) of efficient in low pressure.Place change-over switch to arrive electric capacity between the ATX circuit input end mouth simultaneously, discharge the energy of a charge that stores when switching, be whole computer power supply, this has also just determined the capacity of electric capacity and voltage request very high.
The utility model content
The utility model provides the computer electric power management that a kind of cost is low, efficient is high equipment for solving the technical matters of present ATX power supply and ups power cost height, inefficiency.
The utility model embodiment discloses a kind of computer electric power management equipment, comprises main control circuit, voltage conversion circuit, commutation circuit, ATX power circuit, reserve battery, reserve battery charging circuit,
Described main control circuit connects the civil power alternating current circuit, and can judge whether line voltage is unusual, and is connected with the control end of voltage conversion circuit and commutation circuit,
Described voltage conversion circuit is connected with the output terminal of reserve battery and exports conversion voltage, and described voltage conversion circuit is accepted the signal enabling of main control circuit,
Described commutation circuit is connected with main control circuit and received signal, and selects reserve battery to provide power supply for computing machine according to signal,
It is computer power supply that described ATX power circuit is used for line voltage is converted into DC voltage,
It is computer power supply that described main control circuit also is used to select reserve battery or commutation circuit,
Described reserve battery charging circuit is connected with city's power supply and charges to reserve battery.
Further, described voltage conversion circuit is TPS40192DC/DC chip conversion integration module.
Further, described voltage conversion circuit has-12V ,+5VSB, 3.3V ,+5V ,+the 12V voltage output end, described ATX power circuit has-12V ,+5VSB, 3.3V ,+5V ,+the 12V voltage output end.
Further, described commutation circuit comprise connect voltage conversion circuit-12V ,+5VSB, 3.3V ,+5V ,+the 12V output terminal, and connect from voltage conversion circuit draw-12V ,+5VSB, 3.3V ,+5V ,+the 12V output terminal, described commutation circuit also comprises several switches, is used to select ATX power circuit output end or voltage conversion circuit output terminal and forms the commutation circuit output terminal.
Further, described commutation circuit also comprises the diode of contacting respectively and just connecing with each output terminal.
Further, be connected with electric capacity respectively between described each commutation circuit output terminal and the ground.
Further, described reserve battery charging circuit comprises transformer and the current rectifying and wave filtering circuit that is connected with transformer and output+15V DC voltage, and described+15V DC voltage is exported an end and is connected with a triode, diode in turn and the standby power supply battery is charged.
Further, described+15V DC voltage is exported an end and also is connected with the over-charging of battery holding circuit.
Further, described over-charging of battery holding circuit comprises comparer and the mos that is connected with comparer pipe.
The computer electric power management equipment that the utility model embodiment provides, when the civil power appearance is unusual, be computer power supply directly by reserve battery, avoid the present big problem of computer electric power management plant efficiency low-power consumption, and circuit design is simple and practical, has reduced cost.And electric capacity is added to each road voltage input end of computing machine, the computing machine power consumption is disperseed.
Description of drawings
Fig. 1 is the utility model embodiment computer electric power management equipment synoptic diagram
Fig. 2 is the utility model embodiment commutation circuit circuit diagram
Fig. 3 is the utility model embodiment charging circuit circuit diagram
Embodiment
Clearer for technical matters, technical scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.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.
Describe utility model embodiment in detail below by accompanying drawing 1 to 3.
As shown in Figure 1, the disclosed a kind of computer electric power management equipment of the utility model embodiment, comprise main control circuit, voltage conversion circuit, commutation circuit, the ATX power circuit, reserve battery, the reserve battery charging circuit, described main control circuit connects the civil power alternating current circuit, and can judge whether line voltage is unusual, and be connected with the control end of voltage conversion circuit and commutation circuit, described voltage conversion circuit is connected with the output terminal of reserve battery and exports and transforms voltage, described voltage conversion circuit is accepted the signal enabling of main control circuit, described commutation circuit is connected with main control circuit and received signal, and select reserve battery to provide power supply for computing machine according to signal, it is computer power supply that described ATX power circuit is used for line voltage is converted into DC voltage, it is computer power supply that described main control circuit also is used to select reserve battery or commutation circuit, and described reserve battery charging circuit is connected with city's power supply and charges to reserve battery.Detect city's electrical anomaly when living control module, depart from 10% o'clock of normal voltage, just can send control signal trigger voltage change-over circuit such as civil power outage or line voltage.
Further, described voltage conversion circuit is TPS40192DC/DC chip conversion integration module.
Further, as shown in Figure 2, described voltage conversion circuit has-12V ,+5VSB, 3.3V ,+5V ,+the 12V voltage output end, described ATX power circuit has-12V ,+5VSB, 3.3V ,+5V ,+the 12V voltage output end.
Further, described commutation circuit comprise connect voltage conversion circuit-12V ,+5VSB, 3.3V ,+5V ,+the 12V output terminal, and connect from voltage conversion circuit draw-12V ,+5VSB, 3.3V ,+5V ,+the 12V output terminal, described commutation circuit also comprises several switches, is used to select ATX power circuit output end or voltage conversion circuit output terminal and forms the commutation circuit output terminal.
Further, described commutation circuit also comprises the diode D01～D10 that contacts respectively and just connecing with each output terminal.The diode that is just connecing prevents that electric current from pouring in down a chimney by contacting respectively at each output terminal.
Further, be connected with capacitor C 01～C05 respectively between described each commutation circuit output terminal and the ground, thereby by also with between the ground being connected electric capacity guarantees computing machine in the power supply handoff procedure normal operation respectively at each corresponding commutation circuit output terminal.
Further, as shown in Figure 3, described reserve battery charging circuit comprises transformer and the current rectifying and wave filtering circuit that is connected with transformer and output+15V DC voltage, and described+15V DC voltage is exported that an end is connected with a triode Q6, diode D48 in turn and exported at BAT 13V one end reserve battery is charged.Charging circuit is used to the reserve battery charging, and by triode Q6 control suitable current is set, diode D48 avoids pouring in down a chimney of electric current.
Further, described+15V DC voltage is exported an end and also is connected with the over-charging of battery holding circuit.As shown in Figure 3, described charging circuit+15V DC voltage is exported an end and also is connected with the over-charging of battery holding circuit.Concrete, the mos pipe Q8 that described over-charging of battery holding circuit comprises comparer U10 and is connected with comparer, when cell voltage has surpassed 13.3V, comparer U10 controls Q8 and closes, thereby plays the effect that prevents over-charging of battery.
Further, described over-charging of battery holding circuit comprises comparer and the mos that is connected with comparer pipe.
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 (9)
1. a computer electric power management equipment is characterized in that comprising main control circuit, voltage conversion circuit, commutation circuit, ATX power circuit, reserve battery, reserve battery charging circuit,
Described main control circuit connects the civil power alternating current circuit, and can judge whether line voltage is unusual, and is connected with the control end of voltage conversion circuit and commutation circuit,
Described voltage conversion circuit is connected with the output terminal of reserve battery and exports conversion voltage, and described voltage conversion circuit is accepted the signal enabling of main control circuit,
Described commutation circuit is connected with main control circuit and received signal, and selects reserve battery to provide power supply for computing machine according to signal,
It is computer power supply that described ATX power circuit is used for line voltage is converted into DC voltage,
It is computer power supply that described main control circuit also is used to select reserve battery or commutation circuit,
Described reserve battery charging circuit is connected with city's power supply and charges to reserve battery.
2. computer electric power management equipment as claimed in claim 1 is characterized in that described voltage conversion circuit is TPS40192DC/DC chip conversion integration module.
3. computer electric power management equipment as claimed in claim 1, it is characterized in that described voltage conversion circuit have-12V ,+5VSB, 3.3V ,+5V ,+the 12V voltage output end, described ATX power circuit has-12V ,+5VSB, 3.3V ,+5V ,+the 12V voltage output end.
4. computer electric power management equipment as claimed in claim 3, it is characterized in that described commutation circuit comprise connect voltage conversion circuit-12V ,+5VSB, 3.3V ,+5V ,+the 12V output terminal, and connect from voltage conversion circuit draw-12V ,+5VSB, 3.3V ,+5V ,+the 12V output terminal, described commutation circuit also comprises several switches, is used to select ATX power circuit output end or voltage conversion circuit output terminal and forms the commutation circuit output terminal.
5. computer electric power management equipment as claimed in claim 4 is characterized in that described commutation circuit also comprises the diode of contacting respectively and just connecing with each output terminal.
6. computer electric power management equipment as claimed in claim 5 is characterized in that being connected with electric capacity respectively between described each commutation circuit output terminal and the ground.
7. computer electric power management equipment as claimed in claim 1, it is characterized in that described reserve battery charging circuit comprises transformer and the current rectifying and wave filtering circuit that is connected with transformer and output+15V DC voltage, described+15V DC voltage is exported an end and is connected with a triode, diode in turn and the standby power supply battery is charged.
8. computer electric power management equipment as claimed in claim 7 is characterized in that described+15V DC voltage exports an end and also be connected with the over-charging of battery holding circuit.
9. computer electric power management equipment as claimed in claim 8 is characterized in that the mos pipe that described over-charging of battery holding circuit comprises comparer and is connected with comparer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920261004XU CN201562234U (en) | 2009-11-30 | 2009-11-30 | Computer power management equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920261004XU CN201562234U (en) | 2009-11-30 | 2009-11-30 | Computer power management equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201562234U true CN201562234U (en) | 2010-08-25 |
Family
ID=42627382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920261004XU Expired - Fee Related CN201562234U (en) | 2009-11-30 | 2009-11-30 | Computer power management equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201562234U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107861601A (en) * | 2017-11-08 | 2018-03-30 | 长沙准光里电子科技有限公司 | A kind of intelligence computation machine host of anti-power failure |
-
2009
- 2009-11-30 CN CN200920261004XU patent/CN201562234U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107861601A (en) * | 2017-11-08 | 2018-03-30 | 长沙准光里电子科技有限公司 | A kind of intelligence computation machine host of anti-power failure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103051042A (en) | Direct current uninterruptible power supply | |
| CN111775756A (en) | Light storage and charging micro-grid system and control method thereof | |
| JP3089153U (en) | DC uninterruptible power supply with power failure lighting function | |
| CN201750208U (en) | Double-power-supply automatic shifting circuit of embedded device with standby storage battery | |
| CN103944255A (en) | Auxiliary power supply device used for new energy mobile base station and power supply method of auxiliary power supply device | |
| CN110138075A (en) | Highly compatible alternating current-direct current mixes distribution system | |
| CN103529923B (en) | A kind of computer built-in type uninterrupted power source emergency system | |
| CN206259749U (en) | Standby power system with energy storage effect | |
| CN209626973U (en) | Highly compatible alternating current-direct current mixes distribution system | |
| CN106026382B (en) | A kind of spare emergent power source | |
| CN210927209U (en) | Intelligent doorbell power supply circuit | |
| CN201562234U (en) | Computer power management equipment | |
| CN102185358A (en) | Simple and practical movable uninterruptible power supply | |
| CN215580519U (en) | 5G basic station emergency power supply device | |
| CN201994719U (en) | Intelligent power distribution terminal utilizing mixed stored energy | |
| CN202906570U (en) | Emergency electric-energy system with change-over switch | |
| CN203301212U (en) | Dual standby saving type DC power supply system | |
| CN103368249A (en) | System and method for uninterrupted power supply | |
| CN102214952A (en) | Uninterruptible power supply system for avoiding electric arc generation and cabinet with same | |
| CN101814762B (en) | UPS power supply | |
| CN212061818U (en) | Display device | |
| CN202978394U (en) | Direct current uninterrupted power source | |
| CN102111004A (en) | Uninterrupted standby power system | |
| CN2912075Y (en) | Large power on-line spare mains suitable for rectifying wave filtering power source inputting circuit appliance | |
| CN203595993U (en) | Built-in uninterrupted power source emergency system for computers |
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: 20100825 Termination date: 20151130 |
|
| EXPY | Termination of patent right or utility model |