CN218783622U - Power supply apparatus and power supply system - Google Patents
Power supply apparatus and power supply system Download PDFInfo
- Publication number
- CN218783622U CN218783622U CN202222976496.9U CN202222976496U CN218783622U CN 218783622 U CN218783622 U CN 218783622U CN 202222976496 U CN202222976496 U CN 202222976496U CN 218783622 U CN218783622 U CN 218783622U
- Authority
- CN
- China
- Prior art keywords
- voltage
- power supply
- target
- regulating device
- voltage regulating
- 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
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Abstract
The embodiment of the utility model provides a power supply unit and power supply system, wherein, this power supply unit includes: the first power supply end is connected with the first voltage regulating device and used for outputting a first voltage to the first voltage regulating device; the second power supply end is connected with the second voltage regulating device and used for outputting a second voltage to the second voltage regulating device; the first voltage regulating device is connected with the target equipment, and is used for regulating the first voltage to a third voltage and providing the third voltage for the target equipment; and the second voltage regulating device is configured to be connected with the target equipment, and is used for regulating the second voltage to a fourth voltage and providing the fourth voltage for the target equipment, wherein the target equipment is used for determining a target power supply end for supplying power to the target equipment from the first power supply end and the second power supply end based on the magnitude relation between the third voltage and the fourth voltage. Through the utility model discloses, reach the effect of seamless switching power supply end.
Description
Technical Field
The embodiment of the utility model provides a relate to the power supply unit field, particularly, relate to a power supply unit and power supply system.
Background
In the aspect of power supply, network devices mostly adopt a single power supply mode, and for a part of key areas needing high reliability, the network devices are required to have multiple power supply modes and realize seamless switching, so that the restarting or power failure of the devices is ensured not to be caused under the condition that any one power supply mode fails.
In the related art, the AC24V power supply or the POE power supply can be selected by the opto-coupler switch, however, this method can only ensure the AC24V priority power supply, and the seamless switching of the POE cannot be realized when the switching is performed. The POE power supply can carry out three stages of detection and grading power supply again, the duration of the stage is tens of milliseconds to hundreds of milliseconds, and the system is powered off or works abnormally due to the fact that no voltage is maintained at the output end of the period.
Therefore, the problem that the power supply equipment cannot realize seamless switching of the power supply end exists in the related art.
In view of the above problems in the related art, no effective solution has been proposed.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a power supply unit and power supply system to solve the problem that the power supply unit that exists can't realize seamless switching power supply end among the correlation technique at least.
According to the utility model discloses an embodiment provides a power supply unit, include: the first power supply end is connected with the first voltage regulating device and used for outputting a first voltage to the first voltage regulating device; the second power supply end is connected with the second voltage regulating device and used for outputting a second voltage to the second voltage regulating device, and the second power supply end and the first power supply end respectively correspond to different power supply modes; the first voltage regulating device is configured to be connected with a target device, and is used for regulating the first voltage into a third voltage and providing the third voltage for the target device; the second voltage regulating device is configured to be connected with the target device, and is configured to regulate the second voltage to a fourth voltage and provide the fourth voltage for the target device, where the target device is configured to determine a target power supply end for supplying power to the target device from the first power supply end and the second power supply end based on a magnitude relation between the third voltage and the fourth voltage.
According to another embodiment of the present invention, there is provided a power supply system, including: the power supply device and the target device described in the above embodiments.
Through the utility model discloses, power supply unit includes first power supply end, second power supply end, first voltage regulating module and second voltage regulating module, and first power supply end is connected with first voltage regulating device for export first voltage to first voltage regulating device, and first voltage regulating device is configured to be connected with target equipment, is used for adjusting first voltage to third voltage, and provides third voltage for target equipment; the second power supply end is connected with the second voltage regulating device and used for outputting second voltage to the second voltage regulating device, the second power supply end and the first power supply end correspond to different power supply modes respectively, the second voltage regulating device is configured to be connected with target equipment and used for regulating the second voltage into fourth voltage and providing the fourth voltage for the target equipment, and the target equipment determines a target power supply end used for supplying power for the target equipment from the first power supply end and the second power supply end according to the magnitude relation of the third voltage and the fourth voltage. Because can be through the first voltage adjustment of first voltage adjustment output of first supply end to the third voltage of first voltage regulating device, through the second voltage adjustment of second voltage adjustment output of second supply end to the fourth voltage of second voltage regulating device, target equipment can compare third voltage and fourth voltage, confirm the target supply end in first supply end and the second supply end, when having realized breaking down at one of them supply end, can directly utilize another supply end to supply power, consequently, can solve the problem that the supply equipment that exists can't realize seamless switching supply end among the correlation technique, reach the effect of seamless switching supply end.
Drawings
Fig. 1 is a schematic structural diagram of a power supply device according to an embodiment of the present invention;
fig. 2 is a structural diagram of a power supply device according to an embodiment of the present invention.
Detailed Description
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings in conjunction with the embodiments.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
In this embodiment, a power supply device is provided, fig. 1 is a schematic structural diagram of a power supply device according to an embodiment of the present invention, and as shown in fig. 1, the power supply device includes:
the first power supply end 12 is connected with the first voltage regulating device and used for outputting a first voltage to the first voltage regulating device;
a second power supply terminal 14 connected to a second voltage regulating device, configured to output a second voltage to the second voltage regulating device, where the second power supply terminal and the first power supply terminal correspond to different power supply modes respectively;
the first voltage regulating device 16 is configured to be connected with a target device, and is used for regulating the first voltage into a third voltage and providing the third voltage for the target device;
the second voltage regulating device 18 is configured to be connected to the target device, and configured to adjust the second voltage to a fourth voltage and provide the fourth voltage for the target device, where the target device is configured to determine, based on a magnitude relationship between the third voltage and the fourth voltage, a target power supply end used for supplying power to the target device from the first power supply end and the second power supply end.
In the above embodiment, the first power supply terminal may be an output terminal of a local power supply, the second power supply terminal may be an output terminal of a POE (power over ethernet) device, and the POE is a technology that can simultaneously supply power to a network device without changing a network device architecture, and is generally applied to a current network device. It can be used as the second reserved power supply scheme outside the local power supply. The POE power supply process comprises four stages of detection, classification, power supply and power failure. In the power supply process, the PSD carries out overcurrent detection and power-off detection in real time, and the PSE provides an MPS mechanism for ensuring that the PD can be powered off in time when being pulled out or abnormal.
In the above embodiment, the first voltage regulating device and the second voltage regulating device may be voltage boosting devices or voltage dropping devices, the first voltage output by the first power supply terminal may be adjusted to a third voltage suitable for the target device by the first voltage regulating device, and the second voltage output by the second power supply terminal may be adjusted to a fourth voltage suitable for the target device by the second voltage regulating device. After the voltage passes through the voltage adjusting device, the two paths of voltage can be converged and input into the target equipment, and after the target equipment is started, the power supply circuit with high voltage can be selected for supplying power. For example, the target device may compare the magnitude relationship between the third voltage and the fourth voltage, and select the power supply terminal at which the voltage with the higher voltage is located as the target power supply terminal, for example, when the fourth voltage is greater than the third voltage, select the second power supply terminal as the target power supply terminal. When the second power supply end fails, the second voltage is 0 or is smaller than the output voltage of the normal power supply of the second power supply end, after the voltage is regulated by the second voltage regulating device, the fourth voltage is smaller than the third voltage, the target equipment can select the first power supply end to supply power for the target equipment, and seamless switching and connection are achieved. The target device may be a chip or the like.
Through the utility model discloses, power supply unit includes first power supply end, second power supply end, first voltage regulating module and second voltage regulating module, and first power supply end is connected with first voltage regulating device for export first voltage to first voltage regulating device, and first voltage regulating device is configured to be connected with target equipment, is used for adjusting first voltage to third voltage, and provides third voltage for target equipment; the second power supply end is connected with the second voltage regulating device and used for outputting second voltage to the second voltage regulating device, the second power supply end and the first power supply end correspond to different power supply modes respectively, the second voltage regulating device is configured to be connected with target equipment and used for regulating the second voltage into fourth voltage and providing the fourth voltage for the target equipment, and the target equipment determines a target power supply end used for supplying power for the target equipment from the first power supply end and the second power supply end according to the size relation of the third voltage and the fourth voltage. Because the first voltage output by the first power supply end can be adjusted into the third voltage through the first voltage adjusting device, the second voltage output by the second power supply end can be adjusted into the fourth voltage through the second voltage adjusting device, the target equipment can compare the third voltage with the fourth voltage, the target power supply end is determined from the first power supply end and the second power supply end, when one power supply end breaks down, the other power supply end can be directly utilized for supplying power, therefore, the problem that the power supply equipment in the related art cannot realize seamless power supply end switching can be solved, and the effect of seamless power supply end switching is achieved.
In one exemplary embodiment, the first voltage regulating device includes: the input end of the first voltage reduction device is connected with the first power supply end, the output end of the first voltage reduction device is connected with the target equipment, and the first voltage reduction device is used for reducing the first voltage to obtain the third voltage. In this embodiment, the first voltage regulating device may be a first voltage reducing device, and the first power supply terminal may be connected to the target device through the first voltage reducing device. The first voltage dropping device may adjust the first voltage to a third voltage, for example, the voltage output by the first power supply terminal is 12V, and the voltage may be adjusted to 5V by the first voltage dropping device. It should be noted that the above voltage is only an exemplary illustration, and the present invention is not limited thereto.
In one exemplary embodiment, the first voltage regulating device includes: the input end of the first voltage boosting device is connected with the first power supply end, the output end of the first voltage boosting device is connected with the target equipment, and the first voltage boosting device is used for reducing the first voltage to obtain the third voltage. In this embodiment, the first voltage regulating device may be a first voltage reducing device, and the first power supply terminal may be connected to the target device through the first voltage increasing device. The first voltage boosting device may adjust the first voltage to a third voltage, for example, the voltage output by the first power supply terminal is 12V, and the voltage may be adjusted to 24V by the first voltage boosting device. It should be noted that the above voltage is only an exemplary illustration, and the present invention is not limited thereto.
It should be noted that the type of the first voltage regulating device may be selected according to a voltage requirement of the target device, and if the voltage required by the target device is greater than the voltage output by the power supply device, the type of the first voltage regulating device may be a voltage boosting type, that is, the first voltage regulating device is a first voltage boosting device. If the voltage required by the target device is less than the voltage output by the power supply device, the type of the first voltage regulating device may be a step-down type, that is, the first voltage regulating device is a first step-down device.
In one exemplary embodiment, the second voltage regulating device includes: and the input end of the second voltage reduction device is connected with the second power supply end, the output end of the second voltage reduction device is connected with the target equipment, and the second voltage reduction device is used for reducing the second voltage to obtain the fourth voltage. In this embodiment, the second voltage regulating device may be a second voltage reducing device, and the second power supply terminal may be connected to the target device through the second voltage reducing device. The second voltage dropping device may adjust the second voltage to a fourth voltage, for example, the voltage output by the second power supply terminal is 12V, and the voltage may be adjusted to 6V by the second voltage dropping device. It should be noted that the above voltage is only an exemplary illustration, and the present invention is not limited thereto.
In one exemplary embodiment, the second voltage regulating device includes: and the input end of the second voltage boosting device is connected with the second power supply end, the output end of the second voltage boosting device is connected with the target equipment, and the second voltage boosting device is used for reducing the second voltage to obtain the fourth voltage. In this embodiment, the second voltage regulating device may be a second voltage reducing device, and the second power supply terminal may be connected to the target device through the second voltage increasing device. The second voltage boosting device may adjust the second voltage to a fourth voltage, for example, the voltage output by the second power supply terminal is 12V, and the voltage may be adjusted to 25V by the second voltage boosting device. It should be noted that the above voltage is only an exemplary illustration, and the present invention is not limited thereto.
It should be noted that the type of the second voltage regulating device may be selected according to the voltage requirement of the target device, and if the voltage required by the target device is greater than the voltage output by the power supply device, the type of the second voltage regulating device may be a boost type, that is, the second voltage regulating device is a second boost device. If the voltage required by the target device is less than the voltage output by the power supply device, the type of the second voltage regulating device may be a step-down type, that is, the second voltage regulating device is a second step-down device.
In one exemplary embodiment, the power supply apparatus further includes: and the first voltage regulating device is connected with the target equipment through the protection device, and the second voltage regulating device is connected with the target equipment through the protection device. In this embodiment, the power supply device may further include a protection device, and the first voltage regulating device may be connected to the target device through the protection device. The second voltage regulating device can also be connected with the target equipment through a protective device, wherein the protective device can be a diode, and the current is prevented from flowing reversely to burn out electronic devices.
In one exemplary embodiment, the protection device includes: the first protection device, wherein the first voltage regulation device is connected with the target equipment through the first protection device; and the second voltage regulating device is connected with the target equipment through the second protection device. In this embodiment, the protection device may include a first protection device and a second protection device, the first voltage regulation device may be connected to the target device through the first protection device, and the second voltage regulation device may be connected to the target device through the second protection device. The power supply circuit where the first power supply end is located can be protected through the first protection device, and the power supply circuit where the second power supply end is located can be protected through the second protection device.
In one exemplary embodiment, the first protection device includes: and the anode of the first diode is connected with the output end of the first voltage regulating device, and the cathode of the first diode is connected with the target equipment. In this embodiment, the first protection device may include a first diode, the first diode may be an anti-reverse diode, an anode of the first diode may be connected to the output terminal of the first voltage regulation device, and a cathode of the first diode is connected to the target device.
In an exemplary embodiment, the second protection device includes a second diode, an anode of the second diode is connected to the output terminal of the second voltage regulation device, and a cathode of the second diode is connected to the target device. In this embodiment, the second protection device may include a second diode, the second diode may be an anti-reverse diode, an anode of the second diode may be connected to the output end of the second voltage regulating device, and a cathode of the second diode is connected to the target device.
In one exemplary embodiment, the power supply apparatus further includes: and the input end of the voltage conversion device is connected with the second power supply end, and the output end of the voltage conversion device is connected with the input end of the second voltage regulating device and used for converting the voltage output by the second power supply end into the second voltage. In this embodiment, the second power supply end may be a power supply end of a POE power supply, the POE may output 48V alternating current, and an output voltage of the second power supply end may be converted into direct current by the voltage conversion device. For example, the voltage conversion device may be an AC48 to 12V device, and may convert the 48V AC power output by the POE power supply into 12V dc power.
In an exemplary embodiment, the first power supply terminal comprises an output terminal of a local power supply of the target device. In this embodiment, the first power supply terminal may be a local power supply for supplying power to the target device.
In an exemplary embodiment, the second power supply terminal comprises an output terminal of a power over ethernet device. In this embodiment, the second power supply terminal may be an output terminal of a power over ethernet device, such as an output terminal of a POE power supply device.
The following description of the power supply apparatus is provided in conjunction with specific embodiments:
fig. 2 is a structural diagram of a power supply apparatus according to a specific embodiment of the present invention, and as shown in fig. 2, the power supply apparatus includes: a local power supply output terminal (corresponding to the first power supply terminal); a POE power supply output terminal (corresponding to the second power supply terminal); a local power supply secondary power supply module (corresponding to the first voltage regulating device); an AC48V to 12V module (corresponding to the voltage conversion device), a POE power supply secondary power module (corresponding to the second voltage regulation device); and two secondary power supply comparison and selection modules (corresponding to the protection device).
Local power supply and POE power supply intervene equipment power supply simultaneously, divide two way power route to get into, do not carry out the power intersection in 12V primary power stage, continue the branching and carry out secondary power output, the POE power supply is changeed into 6V by 12V, and local power supply is changeed into 5V by 12V, and through preventing behind the anti-diode this moment, the secondary power intersects. When the equipment is started, a POE power supply path with high voltage is preferentially selected for supplying power. When the POE power supply is abnormal, the 12V power supply can be seamlessly connected.
In the embodiment, the self-powered selection and seamless switching of the primary power supply are realized by comparing the voltages of the secondary power supply; the voltage of the secondary power supply is controllable, and the secondary power supply has the characteristic of wide voltage range. The priority selection of the two power supplies is realized by distinguishing and comparing the voltage values of the two power supplies in the secondary power supply. Through the power supply of priority POE, local power is as being equipped with the electricity, and the POE detects equipment short time outage or unusual problem that leads to in grades again as being equipped with the electricity when switching of electricity. The POE power supply is adopted as the priority power supply scheme, seamless connection of two kinds of power supply switching is realized, and power-off or abnormity of equipment caused by switching of the standby power supply can be avoided.
In this embodiment, a power supply system is further provided, which includes the power supply device described in any of the above embodiments, and a target device.
It will be apparent to those skilled in the art that the modules or steps of the present invention described above may be implemented by a general purpose computing device, they may be centralized on a single computing device or distributed across a network of multiple computing devices, they may be implemented by program code executable by a computing device, and thus, may be stored in a memory device and executed by a computing device, and in some cases, the steps shown or described may be performed in a different order than that shown or described herein, or may be separately fabricated into individual integrated circuit modules, or may be fabricated with multiple modules or steps into a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the principle of the present invention should be included in the protection scope of the present invention.
Claims (11)
1. A power supply apparatus, comprising:
the first power supply end is connected with the first voltage regulating device and used for outputting a first voltage to the first voltage regulating device;
the second power supply end is connected with the second voltage regulating device and used for outputting a second voltage to the second voltage regulating device, and the second power supply end and the first power supply end respectively correspond to different power supply modes;
the first voltage regulating device is configured to be connected with a target device, and is used for regulating the first voltage into a third voltage and providing the third voltage for the target device;
the second voltage regulating device is configured to be connected with the target device, and is configured to regulate the second voltage to a fourth voltage and provide the fourth voltage for the target device, where the target device is configured to determine a target power supply end for supplying power to the target device from the first power supply end and the second power supply end based on a magnitude relation between the third voltage and the fourth voltage.
2. The power supply apparatus according to claim 1, wherein the first voltage regulating device comprises:
the input end of the first voltage reduction device is connected with the first power supply end, the output end of the first voltage reduction device is connected with the target equipment, and the first voltage reduction device is used for reducing the first voltage to obtain the third voltage.
3. The power supply apparatus according to claim 1, wherein said second voltage regulating means comprises:
and the input end of the second voltage reduction device is connected with the second power supply, the output end of the second voltage reduction device is connected with the target equipment, and the second voltage reduction device is used for reducing the second voltage to obtain the fourth voltage.
4. The power supply apparatus according to claim 1, characterized in that the power supply apparatus further comprises:
and the first voltage regulating device is connected with the target equipment through the protection device, and the second voltage regulating device is connected with the target equipment through the protection device.
5. The power supply apparatus according to claim 4, wherein the protection device comprises:
the first protection device, wherein the first voltage regulation device is connected with the target equipment through the first protection device;
and the second voltage regulating device is connected with the target equipment through the second protection device.
6. The power supply apparatus according to claim 5, wherein the first protection device comprises: and the anode of the first diode is connected with the output end of the first voltage regulating device, and the cathode of the first diode is connected with the target equipment.
7. The power supply unit of claim 5 wherein said second protection means comprises a second diode, an anode of said second diode being connected to an output of said second voltage regulation means, and a cathode of said second diode being connected to said target device.
8. The power supply apparatus according to claim 1, characterized in that the power supply apparatus further comprises:
and the input end of the voltage conversion device is connected with the second power supply end, and the output end of the voltage conversion device is connected with the input end of the second voltage regulating device and used for converting the voltage output by the second power supply end into the second voltage.
9. The power supply device of claim 1, wherein the first power terminal comprises an output terminal of a local power source of the target device.
10. The power sourcing equipment of claim 1, wherein the second power supply terminal comprises an output terminal of a power over ethernet device.
11. A power supply system characterized by comprising the power supply apparatus of any one of claims 1 to 10, and the target apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222976496.9U CN218783622U (en) | 2022-11-07 | 2022-11-07 | Power supply apparatus and power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222976496.9U CN218783622U (en) | 2022-11-07 | 2022-11-07 | Power supply apparatus and power supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218783622U true CN218783622U (en) | 2023-03-31 |
Family
ID=85716205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222976496.9U Active CN218783622U (en) | 2022-11-07 | 2022-11-07 | Power supply apparatus and power supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218783622U (en) |
-
2022
- 2022-11-07 CN CN202222976496.9U patent/CN218783622U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7456520B2 (en) | Control system, method and product for uninterruptible power supply | |
| US10003200B2 (en) | Decentralized module-based DC data center | |
| KR101228363B1 (en) | Hybrid data center power supply apparatus | |
| CN102347633B (en) | Power supply module and power supply system | |
| US6262900B1 (en) | Modular power supply system with control command verification | |
| US9419807B2 (en) | PD in PoE system having redundant PSE channel inputs | |
| WO2010076076A1 (en) | Reducing power consumption on devices with multiple power supplies | |
| US20150069842A1 (en) | Power supply conversion system and method of controlling the same | |
| US6815843B1 (en) | Power supply device | |
| CN102546188B (en) | Power source circuit and control method thereof | |
| US11575262B2 (en) | Priority load sharing for electrical power systems having multiple power sources | |
| US6630750B2 (en) | Spare bus power plant | |
| US20130119768A1 (en) | Power supply having redundant power | |
| US20220190638A1 (en) | System to provide AC or DC power to electronic equipment | |
| CN115776130B (en) | Off-grid switching method, energy storage converter, energy storage system and power system | |
| US11218022B2 (en) | Power conversion system and method of operating the same | |
| US20090058187A1 (en) | Power supply having redundant power | |
| US7166989B2 (en) | Power supply system for supplying power to an electronic apparatus | |
| CN112803407B (en) | Low-voltage distribution network seamless loop-closing power transfer method and system based on parallel converters | |
| CN218783622U (en) | Power supply apparatus and power supply system | |
| EP3796504B1 (en) | Electrical system and method of operating such a system | |
| CN102799257A (en) | Power supply protection circuit | |
| KR101818969B1 (en) | hot swapping apparatus between grid power and battery system | |
| CN111158452B (en) | Redundant single-input power supply system | |
| KR200301007Y1 (en) | Uninterruptible power supply |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |