CN219916307U - Computer power supply with power-off and energy-continuing functions - Google Patents
Computer power supply with power-off and energy-continuing functions Download PDFInfo
- Publication number
- CN219916307U CN219916307U CN202223274485.2U CN202223274485U CN219916307U CN 219916307 U CN219916307 U CN 219916307U CN 202223274485 U CN202223274485 U CN 202223274485U CN 219916307 U CN219916307 U CN 219916307U
- Authority
- CN
- China
- Prior art keywords
- electrically connected
- energy
- power supply
- output port
- output
- 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.)
- Active
Links
- 230000006870 function Effects 0.000 title description 2
- 238000001914 filtration Methods 0.000 claims abstract description 13
- 238000005070 sampling Methods 0.000 claims description 5
- 238000004590 computer program Methods 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Landscapes
- Power Sources (AREA)
Abstract
The utility model belongs to the technical field of power supplies, and particularly relates to a power-off energy-sustaining computer power supply which comprises an alternating current input circuit, a transformer, an output rectifying and filtering circuit and a direct current output port which are electrically connected in sequence, wherein the direct current output port is electrically connected with an input end of an energy-sustaining battery module, an output end of the energy-sustaining battery module is electrically connected with a switch module and a standby output port in sequence, the switch module is electrically connected with one pin of a switch control MCU, and the other pin of the switch control MCU is electrically connected with the alternating current input circuit. The utility model integrates full power at all times under the normal running state on the basis of the normal computer power supply, and can replace a continuous energy battery module of the mains supply under the condition of mains supply interruption, so that a user can operate the computer to be shut down normally in time under the support of the standby power supply, and the utility model has remarkable practical significance in avoiding the loss of the working progress and the system error of the computer program caused by the sudden interruption of the power supply.
Description
Technical Field
The utility model relates to the technical field of power supplies of computers, in particular to a power-off continuous energy computer power supply.
Background
The computer power supply converts alternating current into direct current, and is special equipment for supplying power to computer accessories such as a CPU, a main board, a hard disk, a memory bank, a display card, an optical disk drive and the like, and is a hub for supplying power to all parts of a computer, and is an important component of the computer.
The existing computer power supply can directly power off the main board after the commercial power is abnormally powered off, so that the problems of computer hardware damage, file editing, file saving, loss and the like are caused. However, this can be prevented by purchasing a special power-off protection inverter, but this increases the cost and space.
In addition, a UPS power source may be built in the computer host, for example, in patent document CN103838340a, entitled computer host with built-in UPS power source, a computer host with built-in UPS power source is disclosed, which includes a computer case, a computer power source is arranged in the computer case, a UPS power source is arranged at one side of the computer power source, an output end of the UPS power source is connected with the computer power source, an input end of the UPS power source is connected with a mains supply, the UPS power source includes a lithium battery, a charging module, a conversion circuit, a control module and a sensor, a control module is arranged between the lithium battery and the charging module, and the conversion circuit, and the control module is further connected with the sensor.
However, in the above scheme, because an additional UPS power source is required, the hardware cost is also greatly increased, and the energy consumption for operating the device is also significantly increased. In fact, after the commercial power for the computer is interrupted, the urgent need is to save the working progress in time and shut down normally, and the operation time of the process is not too long, and the standby power supply with smaller capacity is enough to support the energy supply.
In summary, the design of the computer power supply with the built-in small standby battery can effectively control the hardware cost and the occupied space, and effectively play a role in avoiding the running working progress loss and system errors caused by sudden power-off and shutdown of the computer, thereby having remarkable practical significance.
Disclosure of Invention
In order to solve the problems that the main board is directly powered off after the commercial power is abnormally powered off, the computer hardware is easy to damage, the file is damaged, the file editing progress is lost due to the fact that the file is not saved, and the cost of the hardware of the additional inverter or UPS is high, the power-off continuous energy computer power supply is provided.
The power-off energy-continuation computer power supply comprises an alternating current input circuit, a transformer, an output rectifying and filtering circuit and a direct current output port which are electrically connected in sequence, wherein the direct current output port is electrically connected with an input end of an energy-continuation battery module, an output end of the energy-continuation battery module is electrically connected with a switch module and a standby output port in sequence, the switch module is electrically connected with one pin of a switch control MCU, and the other pin of the switch control MCU is electrically connected with the alternating current input circuit.
Further, the direct current output port comprises a 12V output end, the 12V output end is electrically connected with a continuous energy battery module, and the continuous energy battery module comprises two 6V batteries which are connected in series.
Further, the energy-sustaining battery module comprises a battery management chip, the 12V output end is electrically connected with the input end of the battery management chip, and the output end of the battery management chip is electrically connected with the input ends of two serially connected 6V batteries.
Further, the output end of the switch module is connected with a plurality of direct-current voltage converters in parallel, and the output ends of the direct-current voltage converters are electrically connected with the standby output port.
Further, the spare output ports include spare 5V output ports, and spare 5V output ports are connected in parallel with spare 5VSB ports.
Further, the alternating current input circuit is electrically connected with the transformer through the input rectifying and filtering circuit, a driving circuit is electrically connected between the input rectifying and filtering circuit and the transformer, the driving circuit is electrically connected with the output control protection circuit, and the output control protection circuit is electrically connected with the direct current output port through the output sampling circuit.
Further, the switch module comprises a MOS tube switch, the output control protection circuit is electrically connected with one pin of the switch control MCU, the other pin of the switch control MCU is electrically connected with a grid electrode of the MOS tube switch, a current input end of the MOS tube switch is electrically connected with the continuous energy battery module, and a current output end of the MOS tube switch is electrically connected with the standby output port.
Further, the switch module comprises a relay, the output control protection circuit is electrically connected with one pin of the switch control MCU, the other pin of the switch control MCU is electrically connected with a coil power supply end of the relay, a public end of the relay is electrically connected with the continuous battery module, and a normally open end of the relay is electrically connected with a standby output port.
Further, the direct current output port and the standby output port are connected in parallel.
Further, the switch control MCU is of the model SC8P115xA.
The utility model has the advantages that:
1. the circuit design is succinct, and extra hardware cost is lower, is favorable to popularizing and applying.
2. The continuous energy battery module maintains a fully charged state in the normal running state of the equipment, and can play a role in time when the mains supply is interrupted.
3. The continuous energy battery module and the matched components have small occupied space and can be directly integrated in the power supply of the computer.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic general diagram of a circuit of a power-off energy-sustaining computer power supply;
fig. 2 is a circuit principle of the continuous energy battery module and its matched components when the MOS transistor is used as the switch module.
The attached drawings are identified:
1. an alternating current input circuit; 2. a transformer; 3. an output rectifying and filtering circuit; 4. a DC output port; 401. a 12V output; 5. a battery module; 501. a switch module; 502. a standby output port; 5021. a standby 5V output port; 503. a switch control MCU; 504. a 6V battery; 505. a battery management chip; 506. a DC voltage converter; 6. a spare 5VSB port; 7. inputting a rectifying and filtering circuit; 8. a driving circuit; 9. an output control protection circuit; 10. and outputting a sampling circuit.
Detailed Description
In order to solve the problems that the main board is directly powered off after the commercial power is abnormally powered off, the computer hardware is easy to damage, the file is damaged, the file editing progress is lost due to the fact that the file is not saved, and the cost of the hardware of the additional inverter or UPS is high, the power-off continuous energy computer power supply is provided.
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1 and 2, the embodiment provides a power-off energy-sustaining computer power supply, which comprises an ac input circuit 1, a transformer 2, an output rectifying and filtering circuit 3 and a dc output port 4 which are electrically connected in sequence, wherein the dc output port 4 is electrically connected with an input end of an energy-sustaining battery module 5, an output end of the energy-sustaining battery module 5 is electrically connected with a switch module 501 and a standby output port 502 in sequence, the switch module 501 is electrically connected with one pin of a switch control MCU503, and the other pin of the switch control MCU503 is electrically connected with the ac input circuit 1.
When the commercial power is normally supplied, the computer main board normally operates through the power supply provided by the direct current output port 4, and the direct current output port 4 charges the continuous energy battery module 5, so that the continuous energy battery module 5 is maintained in a full-power state. In addition, the switch module 501 is in the off state at this time.
When the mains supply is suddenly interrupted, the switch control MCU503 detects the sudden interruption of the mains supply, activates the switch module 501 to be turned on, and outputs the power of the continuous energy battery module 5 to the computer motherboard through the standby output port 502, during which the user can normally operate the computer, so as to be turned off normally in time.
The dc output port 4 includes a 12V output end 401, the 12V output end 401 is electrically connected to the continuous energy battery module 5, and the continuous energy battery module 5 includes two serially connected 6V batteries 504. The voltage of the two series-connected 6V batteries 504 is 12V, and the motherboard can be just adapted to output the usual 12V dc power to charge the two 6V batteries 504.
The continuous battery module 5 includes a battery management chip 505, the 12V output end 401 is electrically connected to an input end of the battery management chip 505, and an output end of the battery management chip 505 is electrically connected to an input end of two series-connected 6V batteries 504. The battery management chip 505 is a common electronic component in the market, and can automatically cut off the power supply after the battery is fully charged, so as to avoid overcharging the battery.
The output end of the switch module 501 is connected in parallel with a plurality of dc voltage converters 506, and the output ends of the dc voltage converters 506 are all electrically connected to the standby output port 502. The DC-DC converter 506 can use a DC-DC conversion chip commonly used in the market for converting the 12V DC power provided by two series-connected 6V batteries 504 into 12V, 5V and 3.3V DC power according to the requirement of the computer motherboard.
The spare output ports 502 include a spare 5V output port 5021, and the spare 5V output port 5021 is connected with a spare 5VSB port 6 in parallel. In addition to the main board power supply, the continuous energy battery module 5 also provides a standby 5VSB output, so that the computer can be started under the condition that the mains supply is interrupted by the switch key of the computer.
The alternating current input circuit 1 is electrically connected with the transformer 2 through the input rectifying and filtering circuit 7, a driving circuit 8 is electrically connected between the input rectifying and filtering circuit 7 and the transformer 2, the driving circuit 8 is electrically connected with an output control protection circuit 9, and the output control protection circuit 9 is electrically connected with the direct current output port 4 through an output sampling circuit 10. The rectification filtering circuit, the driving circuit, the output sampling control circuit and other circuits are common designs of the computer power supply, and can ensure the stable work of the computer power supply.
The switch module 501 includes a MOS transistor switch, the output control protection circuit 9 is electrically connected to one pin of the switch control MCU503, the other pin of the switch control MCU503 is electrically connected to the gate of the MOS transistor switch, the current input end of the MOS transistor switch is electrically connected to two series-connected 6V batteries 504, and the current output end of the MOS transistor switch is electrically connected to the standby output port 502. In this embodiment, the switch module 501 is implemented by using a MOS transistor switch, and when the switch control MCU503 monitors that the supply of the mains is interrupted through the output control protection circuit 9, the switch control MCU503 applies an activation voltage to the gate electrode to turn on the source electrode and the drain electrode of the MOS transistor switch, and two series-connected 6V batteries 504 are used to maintain the power supply of the computer.
The dc output port 4 and the standby output port 502 are connected in parallel. The direct current output port 4 and the standby output port 502 share power connector hardware, and no extra wiring for the standby output port 502 is needed on a computer main board, so that the computer main board is convenient to use.
The switch control MCU503 is of the model SC8P115xA, a 1Kx14bit ROM is built in, 8MHz internal RC oscillation and 8MHz external oscillation are supported, the working voltage is 2.0V-5.5V, the number of GPIOs can be up to 12 at most, and a WDT, a PWM module and an 8-bit timer are built in. Industry standard designs, operable at-25 ℃ to 85 ℃, provide SOP6, SOP8, SOP14 packages. The hardware cost is lower, and the on-off control of the switch module 501, particularly the MOS tube switch, is convenient to realize.
Example 2
The difference between this embodiment and embodiment 1 is that the switch module is a relay, the output control protection circuit is electrically connected with one pin of the switch control MCU, the other pin of the switch control MCU is electrically connected with the coil power supply end of the relay, the common end of the relay is electrically connected with the continuous energy battery module, and the normally open end of the relay is electrically connected with the standby output port.
Besides the MOS tube, the relay can also be used for realizing the output switch management of the continuous energy battery module 5.
The foregoing is a further detailed description of the utility model in connection with the preferred embodiments, and it is not intended to limit the utility model to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.
Claims (10)
1. The power-off energy-sustaining computer power supply comprises an alternating current input circuit, a transformer, an output rectifying and filtering circuit and a direct current output port which are electrically connected in sequence, and is characterized in that the direct current output port is electrically connected with the input end of an energy-sustaining battery module, the output end of the energy-sustaining battery module is electrically connected with a switch module and a standby output port in sequence, the switch module is electrically connected with one pin of a switch control MCU, and the other pin of the switch control MCU is electrically connected with the alternating current input circuit.
2. The power-off continuous-energy computer power supply according to claim 1, wherein the direct-current output port comprises a 12V output end, the 12V output end is electrically connected with a continuous-energy battery module, and the continuous-energy battery module comprises two 6V batteries connected in series.
3. The power-off energy-continuation computer power supply of claim 2 wherein the energy-continuation battery module comprises a battery management chip, the 12V output is electrically connected to an input of the battery management chip, and an output of the battery management chip is electrically connected to an input of two serially connected 6V batteries.
4. The power-off continuous energy computer power supply according to claim 2, wherein the output end of the switch module is connected with a plurality of direct-current voltage converters in parallel, and the output ends of the direct-current voltage converters are electrically connected with the standby output port.
5. The power down, on-going computer power supply of claim 4, wherein the backup output port comprises a backup 5V output port, the backup 5V output port being connected in parallel with a backup 5VSB port.
6. The power-off continuous energy computer power supply according to claim 1, wherein the alternating current input circuit is electrically connected with the transformer through an input rectifying and filtering circuit, a driving circuit is electrically connected between the input rectifying and filtering circuit and the transformer, the driving circuit is electrically connected with an output control protection circuit, and the output control protection circuit is electrically connected with a direct current output port through an output sampling circuit.
7. The power-off continuous-energy computer power supply according to claim 6, wherein the switch module comprises a MOS transistor switch, the output control protection circuit is electrically connected with one pin of the switch control MCU, the other pin of the switch control MCU is electrically connected with a gate of the MOS transistor switch, a current input end of the MOS transistor switch is electrically connected with the continuous-energy battery module, and a current output end of the MOS transistor switch is electrically connected with the standby output port.
8. The power-off continuous-energy computer power supply according to claim 6, wherein the switch module comprises a relay, the output control protection circuit is electrically connected with one pin of the switch control MCU, the other pin of the switch control MCU is electrically connected with a coil power supply end of the relay, a common end of the relay is electrically connected with the continuous-energy battery module, and a normally open end of the relay is electrically connected with the standby output port.
9. The power-down, power-on computer power supply of claim 1, wherein the dc output port and the standby output port are connected in parallel.
10. The power-off continuous-power computer power supply according to claim 1, wherein the switch control MCU is of a model SC8P115xA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223274485.2U CN219916307U (en) | 2022-12-07 | 2022-12-07 | Computer power supply with power-off and energy-continuing functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223274485.2U CN219916307U (en) | 2022-12-07 | 2022-12-07 | Computer power supply with power-off and energy-continuing functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219916307U true CN219916307U (en) | 2023-10-27 |
Family
ID=88463342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223274485.2U Active CN219916307U (en) | 2022-12-07 | 2022-12-07 | Computer power supply with power-off and energy-continuing functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219916307U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117389401A (en) * | 2023-12-11 | 2024-01-12 | 西昌学院 | Built-in power-off protection system of computer |
-
2022
- 2022-12-07 CN CN202223274485.2U patent/CN219916307U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117389401A (en) * | 2023-12-11 | 2024-01-12 | 西昌学院 | Built-in power-off protection system of computer |
| CN117389401B (en) * | 2023-12-11 | 2024-02-23 | 西昌学院 | Built-in power-off protection system of computer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100253636B1 (en) | Electronic apparatus having multiple loads, driver by plural batteries | |
| US7017055B1 (en) | Hub that can supply power actively | |
| US8450980B2 (en) | Providing resilient power to a system | |
| JP3320350B2 (en) | AC adapter that can reduce power consumption during standby | |
| WO2014105230A1 (en) | Power management system and method | |
| TWI536707B (en) | Uninterruptible power system and power control system thereof | |
| CN219916307U (en) | Computer power supply with power-off and energy-continuing functions | |
| US9350167B2 (en) | Electronic device, power supply control chip and power supply control method | |
| TWI534601B (en) | Dockable device and power method thereof | |
| US6195271B1 (en) | AC adaptor with power consumption reduction in unused state | |
| JP5613135B2 (en) | Battery unit for portable terminal device and power supply method | |
| US20160352141A1 (en) | Integrated ups power supply system | |
| CN103529923A (en) | Computer built-in uninterruptible power supply emergency system | |
| CN206259749U (en) | Standby power system with energy storage effect | |
| US8030896B2 (en) | Multi-output voltage battery module and electronic device using the same | |
| US20130275777A1 (en) | Power enabling circut for uninterrupted power supplies | |
| CN217824410U (en) | Uninterrupted power supply | |
| TW201546605A (en) | Integrated ups power supply system | |
| JP5689944B2 (en) | Battery unit for supplying power to electrical and electronic equipment and power supply method | |
| WO2022126560A1 (en) | Movable platform, charging and discharging method therefor, and storage medium | |
| TW201342776A (en) | Prolongation power supply uninterruptible power supply apparatus and uninterruptible power supply architecture | |
| CN112799496A (en) | Zero-power-consumption standby control device, method and system for computer | |
| CN2572644Y (en) | ATX power source having UPS function | |
| CN216056804U (en) | Multi-power supply cooperative control power circuit | |
| CN216121915U (en) | Direct current uninterrupted power source circuit of commercial power and solar energy double-circuit input |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |