CN216981594U - Uninterruptible power supply system - Google Patents
Uninterruptible power supply system Download PDFInfo
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- CN216981594U CN216981594U CN202122528949.7U CN202122528949U CN216981594U CN 216981594 U CN216981594 U CN 216981594U CN 202122528949 U CN202122528949 U CN 202122528949U CN 216981594 U CN216981594 U CN 216981594U
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Abstract
The utility model discloses an uninterruptible power supply system. The system comprises: a dual input AC module (10); a dual input frequency conversion module (20); a dual input DC module (30); the air conditioning system is powered by alternating current or direct current output by the double-input AC module (10), the double-input frequency conversion module (20) and the double-input direct current module (30). The utility model solves the problems that when multiple air-conditioning systems exist in a machine room power supply system in the related art, a corresponding converter needs to be added in each air-conditioning system, the cost is increased, and the conversion efficiency of the machine room power supply system is reduced.
Description
Technical Field
The utility model relates to the field of uninterruptible power supplies, in particular to an uninterruptible power supply system.
Background
In the current machine room power supply system, the two most important systems are an Uninterruptible Power Supply (UPS) system and an air conditioning system. A machine room power supply system in the first related art is shown in fig. 1, wherein a UPS system is responsible for supplying power to ac equipment in a machine room; the air conditioning system is responsible for temperature regulation of equipment in the whole machine room or cabinet. However, the biggest disadvantage of the first related art is that if the commercial power is cut off, the air conditioning system cannot work normally, but the UPS system can still supply power to the ac equipment in the machine room, which may cause the temperature of the machine room to rise and run away.
Therefore, the second related art provides a power supply and temperature adjustment system in a power supply system of a machine room as shown in fig. 2. The power supply of the air conditioning system is charged by the alternating current output by the UPS system. When the mains supply is powered off, the UPS system can simultaneously supply power to the air conditioning system and other alternating current equipment in the machine room, and the power supply of the air conditioner is cut off at proper time according to the load and the temperature. Therefore, the temperature regulation of the whole machine room is ensured when the mains supply is powered off, and the conditions of temperature rise and out of control of the machine room are avoided. However, the second related art still has the disadvantage that the compressor system in the air conditioning system cannot be directly powered by the alternating current output by the UPS system and needs the frequency converter as an intermediate link for frequency adjustment because the air conditioning system mainly consists of the compressor system and the internal and external fan systems; for the internal and external fan systems, most fans are supplied with direct current, so that a primary power converter is required as an intermediate link. Therefore, when a plurality of air conditioning systems exist in the machine room, a corresponding converter needs to be added in each air conditioning system, so that the cost is increased, and the conversion efficiency of the whole system is reduced.
Aiming at the problems that when multiple air conditioning systems exist in a machine room power supply system in the related art, a corresponding converter needs to be added in each air conditioning system, the cost is increased, and the conversion efficiency of the machine room power supply system is also reduced, an effective solution is not provided at present.
Disclosure of Invention
The main objective of the present invention is to provide an uninterruptible power supply system, so as to solve the problem that when multiple air conditioning systems exist in a power supply system of a machine room in the related art, a corresponding converter needs to be added in each air conditioning system, which increases the cost and also reduces the conversion efficiency of the power supply system of the machine room.
To achieve the above object, according to one aspect of the present invention, an uninterruptible power supply system is provided. The system comprises: a dual input AC module; a double-input frequency conversion module; a dual input DC module; and the AC or DC output by the double-input AC module, the double-input frequency conversion module and the double-input DC module is used for supplying power to the air conditioning system.
Furthermore, the double-input AC module comprises a double-input AC/DC module I and a DC/AC conversion module, the double-input AC/DC module I outputs direct current, the direct current is converted into alternating current through the DC/AC conversion module, and the alternating current is adopted to supply power to an alternating current fan in the air conditioning system.
Furthermore, the double-input frequency conversion module comprises a double-input AC/DC module II and a DC/AC frequency conversion module, the double-input AC/DC module II outputs direct current, the direct current is converted into alternating current through the DC/AC frequency conversion module and is subjected to frequency regulation, and the alternating current after the frequency regulation is adopted to supply power for a compressor in the air-conditioning system.
Furthermore, the double-input direct-current module comprises a double-input AC/DC module III and a DC/DC module, direct current is output through the double-input AC/DC module III, power conversion is carried out on the direct current through the DC/DC module, and the direct current after power conversion is adopted to supply power to a direct-current fan in the air-conditioning system.
Furthermore, the dual-input AC/DC module I, the dual-input AC/DC module II and the dual-input AC/DC module III are the same dual-input AC/DC module, and the output end of the dual-input AC/DC module, the input end of the DC/AC conversion module, the input end of the DC/AC frequency conversion module and the input end of the DC/DC module adopt the same direct current bus.
Further, direct current output by the dual-input AC/DC module is respectively transmitted to the DC/AC conversion module, the DC/AC frequency conversion module and the DC/DC module through the direct current bus, and received direct current is converted into alternating current through the DC/AC conversion module to supply power to an alternating current fan in an air conditioning system; converting the received direct current into alternating current through the DC/AC frequency conversion module and carrying out frequency adjustment to supply power to a compressor in the air conditioning system; and performing power conversion on the received direct current through the DC/DC module to supply power to a direct current fan in the air conditioning system.
Further, the dual input AC/DC module includes: the DC/DC converter converts the input direct current into direct current and transmits the converted direct current to a direct current bus, and the DC/DC converter converts the input direct current into power and transmits the converted direct current to the direct current bus.
Furthermore, the uninterruptible power supply system is further configured to send communication information to the air conditioning system, and the air conditioning system adjusts the frequency and the voltage output by the DC/AC frequency conversion module and the dual-input frequency conversion module according to the communication information.
By the utility model, the uninterrupted power supply system adopts the following modules: a dual input AC module; a double-input frequency conversion module; a dual input DC module; the air conditioning system is powered by alternating current or direct current output by the double-input AC module, the double-input frequency conversion module and the double-input direct current module. The problem that when multiple air conditioning systems exist in a machine room power supply system in the related art, corresponding converters need to be added in each air conditioning system, the cost is increased, and the conversion efficiency of the machine room power supply system is reduced is solved. Alternating current or direct current output by the double-input AC module, the double-input frequency conversion module and the double-input direct current module supplies power to the air conditioning system in the uninterruptible power supply system, so that the problem that a corresponding converter needs to be added in each air conditioning system when multiple air conditioning systems exist in a machine room power supply system is solved, the cost can be reduced, and the effect of improving the conversion efficiency of the machine room power supply system is achieved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic diagram of a machine room power supply system according to the prior art;
FIG. 2 is a schematic diagram of a power and temperature conditioning system in a machine room power system according to the prior art;
fig. 3 is a schematic diagram of an uninterruptible power supply system provided in accordance with an embodiment of the utility model;
fig. 4 is a first schematic diagram of an ups system supplying power to an air conditioning system according to an embodiment of the present invention;
fig. 5 is a second schematic diagram of an uninterruptible power supply system providing power to an air conditioning system according to an embodiment of the utility model.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
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. It is to be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the utility model herein. Moreover, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
According to an embodiment of the present invention, an uninterruptible power supply system is provided.
Fig. 3 is a schematic diagram of an uninterruptible power supply system according to an embodiment of the utility model. As shown in fig. 3, the uninterruptible power supply system includes: a dual input AC module 10, a dual input frequency conversion module 20 and a dual input dc module 30.
Specifically, the dual-input AC module 10, the dual-input frequency conversion module 20, and the dual-input dc module 30 are configured to supply power to the air conditioning system through the AC power or the dc power output by the dual-input AC module 10, the dual-input frequency conversion module 20, and the dual-input dc module 30.
The input of the dual-input AC module 10, the dual-input frequency conversion module 20, and the dual-input dc module 30 may be AC or dc, but the input AC or dc is converted by the dual-input AC module 10, the dual-input frequency conversion module 20, and the dual-input dc module 30 to obtain AC or dc for supplying power to the air conditioning system. For example, the converted alternating current can be used for supplying power to an alternating current fan or a compressor in an air conditioning system; and the direct current after conversion processing is adopted to supply power for a direct current fan in the air conditioning system.
In summary, the uninterruptible power supply system provided in the embodiment of the present invention supplies power to the air conditioning system through the AC power or the dc power output by the dual-input AC module 10, the dual-input frequency conversion module 20, and the dual-input dc module 30, so as to solve the problems that when multiple air conditioning systems exist in the machine room power supply system in the related art, a corresponding converter needs to be added to each air conditioning system, the cost is increased, and the conversion efficiency of the machine room power supply system is also reduced. In the uninterruptible power supply system, the air conditioning system is supplied with power through alternating current or direct current output by the dual-input AC module 10, the dual-input frequency conversion module 20 and the dual-input direct current module 30, so that the problem that a corresponding converter needs to be added in each air conditioning system when multiple air conditioning systems exist in a machine room power supply system is solved, the cost can be reduced, and the effect of improving the conversion efficiency of the machine room power supply system is achieved.
Optionally, in the uninterruptible power supply system provided in the embodiment of the present invention, the dual-input AC module 10 includes a dual-input AC/DC module i and a DC/AC conversion module, and outputs a direct current through the dual-input AC/DC module i, converts the direct current into an alternating current through the DC/AC conversion module, and supplies power to an alternating current fan in the air conditioning system by using the alternating current.
The dual-input AC module 10 includes a first dual-input AC/DC module and a DC/AC conversion module, and outputs a direct current through the first dual-input AC/DC module of the dual-input AC module 10, and converts the direct current into an alternating current through the DC/AC conversion module of the dual-input AC module 10. For example, an inverter may be employed to convert the direct current to alternating current. And finally, supplying power to an alternating current fan in the air conditioning system by adopting alternating current.
Through the scheme, the direct current output by the double-input AC/DC module can be simply and conveniently converted into the alternating current through the double-input AC module 10, so that the alternating current fan in the air conditioning system can be conveniently and rapidly supplied with power.
Optionally, in the uninterruptible power supply system provided in the embodiment of the present invention, the dual-input frequency conversion module 20 includes a dual-input AC/DC module ii and a DC/AC frequency conversion module, outputs a direct current through the dual-input AC/DC module ii, converts the direct current into an alternating current through the DC/AC frequency conversion module, and performs frequency adjustment, and supplies power to a compressor in the air conditioning system by using the alternating current after the frequency adjustment.
The dual-input frequency conversion module 20 comprises a dual-input AC/DC module II and a DC/AC frequency conversion module, the dual-input AC/DC module II in the dual-input frequency conversion module 20 outputs direct current, and the DC/AC frequency conversion module in the dual-input frequency conversion module 20 converts the direct current into alternating current and adjusts the frequency of the alternating current. For example, a frequency converter may be used to convert the dc power to ac power and frequency adjust the ac power. And finally, supplying power to a compressor in the air conditioning system by adopting alternating current.
Through the scheme, the direct current output by the double-input AC/DC module can be simply and conveniently converted into the alternating current through the double-input frequency conversion module 20, and the frequency of the alternating current is adjusted, so that the power can be conveniently supplied to the compressor in the air conditioning system.
Optionally, in the uninterruptible power supply system provided in the embodiment of the present invention, the dual-input DC module 30 includes a dual-input AC/DC module iii and a DC/DC module, the dual-input AC/DC module iii outputs a DC power, the DC power is subjected to power conversion by the DC/DC module, and the DC power after power conversion is used to supply power to a DC fan in the air conditioning system.
The dual-input DC module 30 includes a dual-input AC/DC module iii and a DC/DC module, outputs DC power through the dual-input AC/DC module iii of the dual-input DC module 30, and performs power conversion on the DC power through the DC/DC module of the dual-input DC module 30. For example, a power converter may be employed to power convert direct current. And finally, supplying power to a direct current fan in the air conditioning system by adopting direct current.
Through the scheme, the power of the direct current output by the double-input AC/DC module can be simply and conveniently converted through the double-input direct current module 30, so that the direct current fan in the air-conditioning system can be conveniently and rapidly supplied with power.
Fig. 4 is a first schematic diagram of an uninterruptible power supply system according to an embodiment of the present invention supplying power to an air conditioning system. The input alternating current or direct current is converted by the dual-input AC module 10, the dual-input frequency conversion module 20 and the dual-input direct current module 30, so as to obtain the alternating current or direct current required for controlling different devices in the air conditioning system.
Optionally, in the uninterruptible power supply system provided in the embodiment of the present invention, the dual-input AC/DC module i, the dual-input AC/DC module ii, and the dual-input AC/DC module iii are the same dual-input AC/DC module, and the same DC bus is used for the output end of the dual-input AC/DC module, the input end of the DC/AC conversion module, the input end of the DC/AC frequency conversion module, and the input end of the DC/DC module.
When only one double-input AC/DC module exists, the output end of the double-input AC/DC module, the input end of the DC/AC conversion module, the input end of the DC/AC frequency conversion module and the input end of the DC/DC module adopt the same direct current bus. Namely the same kind of double-input AC/DC module, different DC/AC conversion modules, DC/AC frequency conversion modules and DC/DC modules.
Through foretell scheme, through the scheme that adopts direct current generating line, not only promoted air conditioning system's conversion efficiency, can also play reduce cost's effect.
Optionally, in the uninterruptible power supply system provided in the embodiment of the present invention, direct current output by the dual-input AC/DC module is respectively transmitted to the DC/AC conversion module, the DC/AC frequency conversion module, and the DC/DC module through the direct current bus, and the received direct current is converted into alternating current through the DC/AC conversion module to supply power to an alternating current fan in the air conditioning system; converting the received direct current into alternating current through a DC/AC frequency conversion module and carrying out frequency regulation so as to supply power to a compressor in an air-conditioning system; and performing power conversion on the received direct current through the DC/DC module to supply power to a direct current fan in the air conditioning system.
When only one dual-input AC/DC module is provided, the direct current output by the dual-input AC/DC module adopts the same direct current bus. Converting direct current on the direct current bus into alternating current through a DC/AC conversion module to supply power to an alternating current fan in the air conditioning system; converting direct current on a direct current bus into alternating current through a DC/AC frequency conversion module, and performing frequency adjustment on the alternating current to supply power to a compressor in an air conditioning system; and the DC/DC module is used for carrying out power conversion on the DC bus so as to supply power to a DC fan in the air conditioning system.
In summary, the DC power on the DC bus is converted into AC power or DC power by the DC/AC conversion module, the DC/AC frequency conversion module and the DC/DC module, so as to conveniently supply power to different devices in the air conditioning system, thereby improving the conversion efficiency of the air conditioning system and reducing the cost.
Fig. 5 is a schematic diagram illustrating an uninterruptible power supply system supplying power to an air conditioning system according to an embodiment of the present invention. The direct current on the direct current bus is converted through the DC/AC conversion module, the DC/AC frequency conversion module and the DC/DC module by adopting the same direct current bus, so that the alternating current or the direct current required by different equipment in the air conditioning system is obtained.
Optionally, in the uninterruptible power supply system provided in the embodiment of the present invention, the dual-input AC/DC module includes: the DC/DC converter converts the input direct current into a direct current and transmits the converted direct current to the direct current bus, and the DC/DC converter performs power conversion on the input direct current and transmits the converted direct current to the direct current bus.
The dual input AC/DC module includes: the AC/DC converter is used for converting alternating current input by the double-input AC/DC module into direct current through the AC/DC converter and transmitting the converted direct current to the direct current bus; and the DC/DC converter is used for performing power conversion on the DC input by the double-input AC/DC module and transmitting the converted DC to the DC bus.
In summary, the AC/DC converter and the DC/DC converter in the dual-input AC/DC module can rapidly convert the AC power or the DC power inputted by the dual-input AC/DC module.
Optionally, in the uninterruptible power supply system provided in the embodiment of the present invention, the uninterruptible power supply system is further configured to send communication information to the air conditioning system, and the air conditioning system adjusts the frequency and the voltage output by the DC/AC frequency conversion module and the dual-input frequency conversion module 20 according to the communication information.
The ups system can provide communication to the air conditioning system, and the air conditioning system adjusts the frequency and voltage output by the DC/AC frequency conversion module and the dual-input frequency conversion module 20 in the ups system through the communication provided by the ups system.
Through the scheme, according to the communication of the uninterruptible power supply system to the air conditioning system, the air conditioning system adjusts the frequency and the voltage output by the DC/AC frequency conversion module and the double-input frequency conversion module 20, so that the work of the compressor can be more effectively controlled.
The above description is only an example of the present invention and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (5)
1. An uninterruptible power supply system, comprising:
a dual input AC module (10);
a dual input frequency conversion module (20);
a dual input DC module (30);
the air conditioning system is powered by alternating current or direct current output by the double-input AC module (10), the double-input frequency conversion module (20) and the double-input direct current module (30);
the dual-input AC module (10) comprises a first dual-input AC/DC module and a DC/AC conversion module, the first dual-input AC/DC module outputs direct current, the direct current is converted into alternating current through the DC/AC conversion module, and the alternating current is adopted to supply power to an alternating current fan in the air conditioning system;
the double-input frequency conversion module (20) comprises a double-input AC/DC module II and a DC/AC frequency conversion module, the double-input AC/DC module II outputs direct current, the direct current is converted into alternating current through the DC/AC frequency conversion module and subjected to frequency regulation, and the alternating current after the frequency regulation is adopted to supply power to a compressor in the air-conditioning system;
the double-input direct current module (30) comprises a double-input AC/DC module III and a DC/DC module, direct current is output through the double-input AC/DC module III, power conversion is carried out on the direct current through the DC/DC module, and the direct current after power conversion is adopted to supply power to a direct current fan in the air conditioning system.
2. The uninterruptible power supply system of claim 1, wherein the first dual-input AC/DC module, the second dual-input AC/DC module, and the third dual-input AC/DC module are a same dual-input AC/DC module, and a same DC bus is used for an output of the dual-input AC/DC module, an input of the DC/AC conversion module, an input of the DC/AC frequency conversion module, and an input of the DC/DC module.
3. The uninterruptible power supply system according to claim 2, wherein the direct current output by the dual-input AC/DC module is transmitted to the DC/AC conversion module, the DC/AC frequency conversion module and the DC/DC module through the direct current bus, and the received direct current is converted into alternating current through the DC/AC conversion module to supply power to an alternating current fan in an air conditioning system; converting the received direct current into alternating current through the DC/AC frequency conversion module and carrying out frequency adjustment to supply power to a compressor in the air conditioning system; and performing power conversion on the received direct current through the DC/DC module to supply power to a direct current fan in the air conditioning system.
4. The uninterruptible power supply system of claim 2, wherein the dual input AC/DC module comprises: the DC/DC converter converts the input direct current into direct current and transmits the converted direct current to a direct current bus, and the DC/DC converter converts the input direct current into power and transmits the converted direct current to the direct current bus.
5. The uninterruptible power supply system of claim 1, further configured to send a communication message to the air conditioning system, and the air conditioning system adjusts the frequency and voltage output by the DC/AC inverter module and the dual input inverter module (20) according to the communication message.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122528949.7U CN216981594U (en) | 2021-10-20 | 2021-10-20 | Uninterruptible power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122528949.7U CN216981594U (en) | 2021-10-20 | 2021-10-20 | Uninterruptible power supply system |
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| Publication Number | Publication Date |
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| CN216981594U true CN216981594U (en) | 2022-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122528949.7U Active CN216981594U (en) | 2021-10-20 | 2021-10-20 | Uninterruptible power supply system |
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