CN220855619U - Computer power supply with dynamic voltage compensation - Google Patents
Computer power supply with dynamic voltage compensation Download PDFInfo
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- CN220855619U CN220855619U CN202322583514.1U CN202322583514U CN220855619U CN 220855619 U CN220855619 U CN 220855619U CN 202322583514 U CN202322583514 U CN 202322583514U CN 220855619 U CN220855619 U CN 220855619U
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- 238000007599 discharging Methods 0.000 claims abstract description 30
- 238000004146 energy storage Methods 0.000 claims abstract description 22
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 239000003990 capacitor Substances 0.000 claims description 10
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000007774 longterm Effects 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 1
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Abstract
The utility model provides a computer power supply with dynamic voltage compensation. The power supply system comprises an AC/DC rectifying module, wherein the AC/DC rectifying module is connected with a dual-power supply change-over switch, the dual-power supply change-over switch is connected with a relay protection device, the relay protection device is connected with a circuit breaker, the circuit breaker is connected with a power supply main board, and the output end of the power supply main board is connected with a computer; the AC/DC rectifying module is also connected with a charging and discharging module, and the charging and discharging module is connected with a storage battery; the voltage dynamic compensation module comprises a detection unit, wherein the detection unit is connected with a control unit, and the control unit is connected with an inversion unit. The utility model has the advantages that: according to the real-time state of the voltage detected by the detection unit, the control unit controls the inversion unit and the energy storage device to perform peak clipping and valley filling according to the real-time state of the voltage, so that the voltage supplied to the computer is kept in a stable state.
Description
Technical Field
The utility model relates to the technical field of computer power supplies, in particular to a computer power supply with dynamic voltage compensation.
Background
After the innovation is opened, the number of Chinese computer users is continuously increased, the application level is continuously improved, and particularly, the application in the fields of Internet, communication, multimedia and the like is achieved.
The computer power supply provides stable voltage for the computer, but the computer power supply is often influenced by the voltage of a power grid, and the excessive high voltage of the power grid easily leads to the excessive high output voltage of the computer power supply, and the computer power supply and a computer main board are easily burnt out. Too low a grid voltage can easily cause the related components to fail to work properly. The existing computer power supply has poor protection, and cannot adjust the voltage in time when the power grid voltage fluctuates, so that the computer is damaged. Therefore, a computer power supply with dynamic voltage compensation is provided for improvement.
Disclosure of utility model
The object of the present utility model is to solve at least one of the technical drawbacks.
Therefore, an objective of the present utility model is to provide a voltage-dynamically-compensated computer power supply, which solves the problems mentioned in the background art and overcomes the shortcomings of the prior art.
In order to achieve the above objective, an embodiment of an aspect of the present utility model provides a computer power supply with dynamic voltage compensation, which includes an AC/DC rectifying module, where the AC/DC rectifying module is connected with a dual-power switch, the dual-power switch is connected with a relay protection device, the relay protection device is connected with a circuit breaker, the circuit breaker is connected with a power motherboard, and an output end of the power motherboard is connected with a computer;
The AC/DC rectifying module is also connected with a charging and discharging module, and the charging and discharging module is connected with a storage battery;
The power supply comprises a power supply main board, and is characterized in that a voltage dynamic compensation module is arranged between the power supply main board and a computer and comprises a detection unit, wherein the detection unit is connected with a control unit, the control unit is connected with an inversion unit, and the inversion unit is connected with an energy storage device and a filter.
It is preferable in any of the above aspects that the AC/DC rectification module is connected to an external power source and the external power source is three-phase alternating current.
It is preferable in any of the above aspects that the AC/DC rectifying module is a three-phase half-bridge source type rectifying module.
The technical scheme is adopted: the AC/DC rectifying module uses three-phase alternating current as a power supply, so that the AC/DC rectifying module is suitable for municipal power supply, and the applicability of a computer power supply is improved. The AC/DC rectifying module adopts a three-phase half-bridge source type rectifying module, the three-phase half-bridge source type rectifying module is composed of six switching tubes, the circuit structure is simple, the AC/DC rectifying module belongs to a two-level rectifying module, and the AC/DC rectifying module has the advantages of network side current sinusoidal, controllable power factor, four-quadrant operation realization, no neutral-point voltage unbalance and the like. The dual-power change-over switch can be switched to the storage battery to supply power for the computer when the external power supply is abnormally powered off, so that the time for storing files is given to a user, and the problems that the computer is directly powered off and data are not stored due to the fact that the conventional computer power supply stops supplying power immediately after municipal power supply is powered off are avoided.
In any of the above schemes, preferably, the output end of the charge-discharge module is connected with a dual-power supply change-over switch.
In any of the above schemes, it is preferable that the charging and discharging module is connected with a charging filter capacitor and a discharging filter capacitor in parallel at the connection part of the charging and discharging module and the AC/DC rectifying module and the dual power supply change-over switch respectively.
The technical scheme is adopted: the charging and discharging module charges the storage battery when the municipal circuit is electrified, and releases the electric quantity of the storage battery after the municipal circuit is powered off to supply power for the computer. The charge-discharge module is connected with the dual-power supply change-over switch, so that the charge-discharge module can supply power to the computer under the connection of the dual-power supply switch. The charging and discharging module is respectively connected with the charging filter capacitor and the discharging filter capacitor in parallel at the connection part of the AC/DC rectifying module and the dual-power supply change-over switch, and can respectively filter in discharging and charging modes, so that charging and discharging are more stable.
In any of the above schemes, it is preferable that the detection unit and the filter of the voltage dynamic compensation module are respectively connected with wires between the power motherboard and the computer.
The technical scheme is adopted: the voltage compensation module can dynamically compensate when the front-end structure power supply voltage fluctuates, and the control unit controls the inversion unit and the energy storage device to conduct peak clipping and valley filling according to the real-time state of the voltage, so that the voltage supplied to the computer is kept in a stable state, the computer is protected, and the long-term use of the computer is facilitated. The filter can filter the power supply, so that the stability of the power supply is further improved. The energy storage unit can adopt various energy storage forms of a direct current energy storage system with an energy storage device and a rectifier system without the energy storage device.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
1. The computer power supply for dynamic voltage compensation comprises a voltage dynamic compensation module, wherein the voltage dynamic compensation module is formed by a detection unit, a control unit, an inversion unit, an energy storage device and a filter, is arranged between a power main board and a computer, the voltage compensation module can dynamically compensate when the power supply voltage of a front end structure fluctuates, and the control unit controls the inversion unit and the energy storage device to perform peak clipping and valley filling according to the real-time state of the voltage according to the real-time state of the detection unit so that the voltage supplied to the computer is kept in a stable state, and the computer is protected, thereby being beneficial to long-term use of the computer. The filter can filter the power supply, so that the stability of the power supply is further improved.
2. According to the computer power supply with the dynamic voltage compensation function, the charging and discharging module is connected to the AC/DC rectifying module, the storage battery, the dual-power change-over switch and other structures are arranged in a matched mode, the dual-power change-over switch can be switched to the storage battery to supply power to a computer when an abnormal power failure occurs in an external power supply, the time for storing files is given to a user, and the problems that the computer is directly powered off and data is not stored due to the fact that the conventional computer power supply stops supplying power immediately after municipal power failure are avoided.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a block diagram of the overall structure of the present utility model;
fig. 2 is a block diagram of a voltage dynamic compensation module according to the present utility model.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
As shown in fig. 1-2, the utility model comprises an AC/DC rectifying module, wherein the AC/DC rectifying module is connected with a dual-power change-over switch, the dual-power change-over switch is connected with a relay protection device, the relay protection device is connected with a circuit breaker, the circuit breaker is connected with a power main board, and the output end of the power main board is connected with a computer;
the AC/DC rectifying module is also connected with a charging and discharging module, and the charging and discharging module is connected with a storage battery;
The voltage dynamic compensation module comprises a detection unit, wherein the detection unit is connected with a control unit, the control unit is connected with an inversion unit, and the inversion unit is connected with an energy storage device and a filter.
Example 1: the AC/DC rectifying module is connected with an external power supply which is three-phase alternating current. The AC/DC rectifying module is a three-phase half-bridge source type rectifying module. The AC/DC rectifying module uses three-phase alternating current as a power supply, so that the AC/DC rectifying module is suitable for municipal power supply, and the applicability of a computer power supply is improved. The AC/DC rectifying module adopts a three-phase half-bridge source type rectifying module, the three-phase half-bridge source type rectifying module is composed of six switching tubes, the circuit structure is simple, the AC/DC rectifying module belongs to a two-level rectifying module, and the AC/DC rectifying module has the advantages of network side current sinusoidal, controllable power factor, four-quadrant operation realization, no neutral-point voltage unbalance and the like. The dual-power change-over switch can be switched to the storage battery to supply power for the computer when the external power supply is abnormally powered off, so that the time for storing files is given to a user, and the problems that the computer is directly powered off and data are not stored due to the fact that the conventional computer power supply stops supplying power immediately after municipal power supply is powered off are avoided.
Example 2: the output end of the charge-discharge module is connected with the dual-power supply change-over switch. The charging and discharging module is respectively connected with a charging filter capacitor and a discharging filter capacitor in parallel at the connection part of the charging and discharging module, the AC/DC rectifying module and the dual-power supply change-over switch. The charging and discharging module charges the storage battery when the municipal circuit is electrified, and releases the electric quantity of the storage battery after the municipal circuit is powered off to supply power for the computer. The charge-discharge module is connected with the dual-power supply change-over switch, so that the charge-discharge module can supply power to the computer under the connection of the dual-power supply switch. The charging and discharging module is respectively connected with the charging filter capacitor and the discharging filter capacitor in parallel at the connection part of the AC/DC rectifying module and the dual-power supply change-over switch, and can respectively filter in discharging and charging modes, so that charging and discharging are more stable.
Example 3: the detection unit and the filter of the voltage compensation module are respectively connected with the lead between the power supply main board and the computer. The voltage dynamic compensation module can dynamically compensate when the front-end structure power supply voltage fluctuates, and the control unit controls the inversion unit and the energy storage device to conduct peak clipping and valley filling according to the real-time state of the voltage, so that the voltage supplied to the computer is kept in a stable state, the computer is protected, and the long-term use of the computer is facilitated. The filter can filter the power supply, so that the stability of the power supply is further improved. The energy storage unit can adopt various energy storage forms of a direct current energy storage system with an energy storage device and a rectifier system without the energy storage device.
The working principle of the utility model is as follows:
The system comprises a front-end structure power supply voltage compensation module, a control unit, an inversion unit, an energy storage device, a voltage compensation module, a detection unit and a computer, wherein the front-end structure power supply voltage compensation module can dynamically compensate when the front-end structure power supply voltage fluctuates, and the control unit controls the inversion unit and the energy storage device to conduct peak clipping and valley filling according to the real-time state of the voltage so that the voltage supplied to the computer is kept in a stable state;
And S2, the charging and discharging module charges the storage battery when the municipal circuit is electrified, and releases the electric quantity of the storage battery after the municipal circuit is powered off to supply power for the computer. The dual-power supply change-over switch can be switched to the storage battery to supply power for the computer when the external power supply is abnormally powered off.
Compared with the prior art, the utility model has the following beneficial effects compared with the prior art:
1. The computer power supply for dynamic voltage compensation comprises a voltage dynamic compensation module, wherein the voltage dynamic compensation module is formed by a detection unit, a control unit, an inversion unit, an energy storage device and a filter, is arranged between a power main board and a computer, the voltage compensation module can dynamically compensate when the power supply voltage of a front end structure fluctuates, and the control unit controls the inversion unit and the energy storage device to perform peak clipping and valley filling according to the real-time state of the voltage according to the real-time state of the detection unit so that the voltage supplied to the computer is kept in a stable state, and the computer is protected, thereby being beneficial to long-term use of the computer. The filter can filter the power supply, so that the stability of the power supply is further improved.
2. According to the computer power supply with the dynamic voltage compensation function, the charging and discharging module is connected to the AC/DC rectifying module, the storage battery, the dual-power change-over switch and other structures are arranged in a matched mode, the dual-power change-over switch can be switched to the storage battery to supply power to a computer when an abnormal power failure occurs in an external power supply, the time for storing files is given to a user, and the problems that the computer is directly powered off and data is not stored due to the fact that the conventional computer power supply stops supplying power immediately after municipal power failure are avoided.
Claims (6)
1. A computer power supply with voltage dynamic compensation comprises an AC/DC rectification module; the power supply system is characterized in that the AC/DC rectifying module is connected with a dual-power supply change-over switch, the dual-power supply change-over switch is connected with a relay protection device, the relay protection device is connected with a circuit breaker, the circuit breaker is connected with a power supply main board, and the output end of the power supply main board is connected with a computer;
The AC/DC rectifying module is also connected with a charging and discharging module, and the charging and discharging module is connected with a storage battery;
The power supply comprises a power supply main board, and is characterized in that a voltage dynamic compensation module is arranged between the power supply main board and a computer and comprises a detection unit, wherein the detection unit is connected with a control unit, the control unit is connected with an inversion unit, and the inversion unit is connected with an energy storage device and a filter.
2. The voltage dynamic compensation computer power supply of claim 1, wherein: the AC/DC rectifying module is connected with an external power supply, and the external power supply is three-phase alternating current.
3. The voltage dynamic compensation computer power supply of claim 2, wherein: the AC/DC rectifying module is a three-phase half-bridge source type rectifying module.
4. A voltage dynamically compensated computer power supply as recited in claim 3, wherein: and the output end of the charge-discharge module is connected with a dual-power supply change-over switch.
5. The computer power supply of claim 4, wherein the voltage dynamic compensation is characterized by: the charging and discharging module is respectively connected with the charging filter capacitor and the discharging filter capacitor in parallel at the connection part of the charging and discharging module, the AC/DC rectifying module and the dual-power supply change-over switch.
6. The voltage dynamic compensation computer power supply of claim 1, wherein: the detection unit and the filter of the voltage dynamic compensation module are respectively connected with the lead between the power supply main board and the computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322583514.1U CN220855619U (en) | 2023-09-22 | 2023-09-22 | Computer power supply with dynamic voltage compensation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322583514.1U CN220855619U (en) | 2023-09-22 | 2023-09-22 | Computer power supply with dynamic voltage compensation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220855619U true CN220855619U (en) | 2024-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322583514.1U Active CN220855619U (en) | 2023-09-22 | 2023-09-22 | Computer power supply with dynamic voltage compensation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220855619U (en) |
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2023
- 2023-09-22 CN CN202322583514.1U patent/CN220855619U/en active Active
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