CN217362642U - Uninterrupted power supply's DC power supply - Google Patents
Uninterrupted power supply's DC power supply Download PDFInfo
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- CN217362642U CN217362642U CN202220723730.4U CN202220723730U CN217362642U CN 217362642 U CN217362642 U CN 217362642U CN 202220723730 U CN202220723730 U CN 202220723730U CN 217362642 U CN217362642 U CN 217362642U
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- super capacitor
- direct current
- power supply
- circuit
- converter
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- 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 utility model discloses a direct current power supply for uninterrupted power supply, which comprises an AC/DC converter and a voltage-stabilizing direct current output circuit, wherein the AC/DC converter is used for alternating current lines; the alternating current circuit is also connected with a super capacitor charging circuit connected with the AC/DC converter in parallel, the super capacitor charging circuit is connected with a super capacitor bank, the super capacitor bank is used for uninterruptedly supplying stored electric energy to the voltage-stabilizing direct current output circuit when the alternating current circuit is powered off, and the voltage-stabilizing direct current output circuit secondarily adjusts direct current provided by the super capacitor bank and outputs load required voltage. The utility model discloses based on the effect of super capacitor group, can satisfy the demand of various electronic product, can reach the same effect of UPS, low cost basically with the same volume of original mains operated system, according to the electric capacity quantity of difference, can realize the incessant power supply demand of minute level, also can avoid because exchange the system restart that the short-time outage caused etc..
Description
Technical Field
The embodiment of the utility model provides a direct current power supply technical field, concretely relates to uninterrupted power supply's direct current power supply.
Background
Nowadays, electronic products are developed more and more, the requirements on power supplies are also increased more and more, and the electronic products are required to be uninterrupted in various industries, and the common method is to select an existing Uninterruptible Power Supply (UPS) to realize the functions.
However, the conventional UPS has a large volume and is not suitable for the requirements of some small and micro power electronic products or control systems, and small and micro electronic equipment generally needs multi-path direct current power supply and does not need a large UPS to convert the large UPS into alternating current output.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a direct current power supply of uninterrupted power supply has solved current micropower electronic product and has used the great and unable multichannel multivoltage grade output's of volume of UPS power supply problem.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:
an uninterruptedly powered direct current power supply includes an AC/DC converter for connection with an AC line, and a plurality of regulated direct current output circuits connected to the AC/DC converter;
the alternating current circuit is also connected with a super capacitor charging circuit connected with the AC/DC converter in parallel, and the super capacitor charging circuit is connected with a super capacitor bank used for storing electric energy;
the super capacitor bank is used for converting alternating current of the alternating current circuit into direct current and storing electric energy, the super capacitor bank is used for uninterruptedly supplying the stored electric energy to the voltage-stabilizing direct current output circuit when the alternating current circuit is powered off, and the voltage-stabilizing direct current output circuit secondarily adjusts the direct current provided by the super capacitor bank and outputs load required voltage.
As a preferred scheme of the utility model the super capacitor group is a super capacitor or two at least parallelly connected super capacitors.
As an optimized proposal of the utility model the electric quantity output end of the super capacitor group is connected with the line where the AC/DC converter is arranged through a controllable MOS switch tube.
As a preferred scheme of the utility model the electric quantity output of super capacitor group pass through the diode with AC/DC converter place line connection.
The utility model discloses an embodiment has following advantage:
the utility model discloses based on the effect of super capacitor group, can satisfy the demand of various electronic products, can reach the same effect of UPS, low cost basically with the same volume of original mains operated system, according to the electric capacity quantity of difference, can realize the uninterrupted power supply demand of minute level, also can avoid because exchange the system restart that the short-time outage caused etc..
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic block diagram of a line control for uninterruptible power supply according to an embodiment of the present invention;
fig. 2 is another schematic block diagram of line control for uninterruptible power supply according to an embodiment of the present invention;
in the figure:
1-AC/DC converter; 2-a super capacitor bank; 3-controllable MOS switching tube; 4-diode 4.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and fig. 2, the present invention provides an uninterruptible power supply DC power supply, which includes an AC/DC converter 1 for connecting with an AC line, and a plurality of voltage-stabilizing DC output circuits connected to the AC/DC converter 1.
The alternating current circuit is further connected with a super capacitor charging circuit connected with the AC/DC converter 1 in parallel, the super capacitor charging circuit is connected with a super capacitor bank 2 used for storing electric energy, and the super capacitor bank 2 is one super capacitor or at least two super capacitors connected in parallel.
The super capacitor bank 2 is configured to convert ac power of the ac line into dc power and store the electric energy, the super capacitor bank 2 is configured to uninterruptedly supply the stored electric energy to the voltage-stabilizing dc output circuit when the ac line is powered off, and the voltage-stabilizing dc output circuit performs secondary adjustment on the dc power provided by the super capacitor bank 2 and outputs a load demand voltage.
The super capacitor bank 2 is used for converting alternating current of the alternating current line into direct current and storing electric energy, the super capacitor bank 2 is used for uninterruptedly supplying the stored electric energy to the voltage-stabilizing direct current output circuit when the alternating current line is powered off, and the voltage-stabilizing direct current output circuit secondarily adjusts the direct current provided by the super capacitor bank 2 and outputs load required voltage.
It should be added that the effect achieved by the uninterruptible power supply dc power supply of the present application is: when the alternating current circuit is powered off, the super capacitor bank 2 is connected with the voltage-stabilizing direct current output circuit, so that power supply in the uninterrupted state is realized, the direct current power supply flashes at the same time of the power failure of the alternating current circuit, and the current of the circuit where the voltage-stabilizing direct current output circuit is located is not interrupted, so that the stability of power supply is ensured, and the use safety of a load is improved.
In order to achieve the purpose, in the embodiment, the power output end of the super capacitor bank 2 is connected with the line where the AC/DC converter 1 is located through the controllable MOS switch tube 3, or the power output end of the super capacitor bank 2 is connected with the line where the AC/DC converter 1 is located through the diode 4.
In the embodiment, when the alternating current line is disconnected, the voltage of the electric quantity output end of the super capacitor group 2 is higher than the voltage of the circuit where the AC/DC converter 1 is located, the controllable MOS switch tube 3 and the diode 4 are conducted at this time, and the super capacitor group 2 is communicated with the voltage-stabilized direct current output circuit and serves as a temporary power supply to play a role in uninterrupted power supply.
And after the alternating current circuit is recharged, the voltage of the circuit where the AC/DC converter 1 is located is greater than the voltage of the circuit where the super capacitor bank 2 is located, and at the moment, the discharging voltage of the capacitor is low, the controllable MOS switching tube 3 automatically turns off the capacitor, and the diode 4 also limits the discharging of the storage capacitor towards the circuit where the AC/DC converter 1 is located, so that the AC/DC converter 1 performs voltage stabilization power supply, the super capacitor bank 2 continues to perform the electricity storage function, namely, when the capacitor voltage of the super capacitor bank 2 is lower than the output voltage of the AC/DC converter 1, the charging and the discharging cannot be performed at the same time.
The AC/DC converter converts the AC input of the power supply into DC output, the output DC charges the super capacitor group 2, and the DC output circuit performs secondary conversion on the output DC to output the required DC voltage; if the user needs multi-path output, a multi-path voltage-stabilizing direct current output circuit is arranged to convert different output voltages.
When the AC line is powered off, the super capacitor bank 2 and the voltage-stabilizing DC output circuit are automatically connected, and the energy stored in the super capacitor bank 2 can continuously supply power to the voltage-stabilizing DC output circuit to achieve the purpose of outputting without power failure, and the following load can be protected so as not to be damaged.
The power supply is characterized in that the characteristics of electric energy storage of the super capacitor and extremely large energy storage capacity are utilized, and the characteristics of charging and discharging can be completed to carry out uninterrupted power supply of a circuit; in addition, the ac-dc conversion circuit or the super capacitor bank 2 can be automatically switched on according to the on-off condition of the ac power, so that the ac line is directly powered when being normal, and the stored electric energy is indirectly powered when the ac line is powered off, so that the super capacitor bank 2 is protected, and the electric quantity stored in the super capacitor bank 2 is increased as much as possible, so that the stability of the uninterrupted power supply is increased as much as possible.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (4)
1. An uninterruptedly powered direct current power supply, comprising an AC/DC converter (1) for connection to an alternating current line, and a plurality of regulated direct current output circuits connected to the AC/DC converter (1);
the alternating current circuit is also connected with a super capacitor charging circuit which is connected with the AC/DC converter (1) in parallel, and the super capacitor charging circuit is connected with a super capacitor bank (2) used for storing electric energy;
the super capacitor bank (2) is used for converting alternating current of the alternating current circuit into direct current and storing electric energy, the super capacitor bank (2) is used for uninterruptedly supplying the stored electric energy to the voltage-stabilizing direct current output circuit when the alternating current circuit is powered off, and the voltage-stabilizing direct current output circuit secondarily adjusts the direct current provided by the super capacitor bank (2) and outputs load required voltage.
2. An uninterruptedly powered dc power supply as claimed in claim 1, wherein the super capacitor bank (2) is a super capacitor or at least two super capacitors connected in parallel.
3. An uninterruptedly powered DC power supply as claimed in claim 1, wherein the power output terminal of the super capacitor bank (2) is connected to the line where the AC/DC converter (1) is located through a controllable MOS switch (3).
4. An uninterruptedly powered direct current power supply according to claim 1, wherein the charge output terminal of the super capacitor bank (2) is connected to the line on which the AC/DC converter (1) is located via a diode (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220723730.4U CN217362642U (en) | 2022-03-30 | 2022-03-30 | Uninterrupted power supply's DC power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220723730.4U CN217362642U (en) | 2022-03-30 | 2022-03-30 | Uninterrupted power supply's DC power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217362642U true CN217362642U (en) | 2022-09-02 |
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ID=83053392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220723730.4U Active CN217362642U (en) | 2022-03-30 | 2022-03-30 | Uninterrupted power supply's DC power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217362642U (en) |
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2022
- 2022-03-30 CN CN202220723730.4U patent/CN217362642U/en active Active
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