CN205178860U - Uninterrupted power source supply ware of alternating current -direct current input - Google Patents

Abstract

The utility model provides an uninterrupted power source supply ware of alternating current -direct current input, changes direct current module, voltage stabilizing module and direct current voltage reducing module including exchanging. Exchanging the input that changes the direct current module and being NULL, the output links to each other with direct current voltage reducing module, and in the middle of voltage stabilizing module arranged interchange commentaries on classics direct current module and direct current voltage reducing module in, direct current voltage reducing module's output was the direct current output. Normal during operation, direct -current input pass through direct current voltage reducing module output DC voltage, when the direct -current input is unusual, are transformed into NULL, change direct current and direct current voltage reducing module output DC voltage through exchanging, when NULL was unusual, the direct -current input used for the load through direct current voltage reducing module, and voltage stabilizing module guarantees switching time continuity and stabilization of output nature at the switching in -process to this proof load runs without interruption. The utility model discloses not only the reliability is high, and power consumption is low moreover, and is green energy -conserving.

Description

A kind of uninterruptable power supply of alternating current-direct current input

Technical field

The uninterruptable power supply that the utility model inputs about a kind of alternating current-direct current, particularly relates in the higher communication of power reguirements and data center field.

Background technology

In the life of people, the reliability of electronic message unit is more and more higher, especially in communication and the Internet, in traditional solution, nothing more than there being following 4 kinds of ways: (1) ac uninterrupted power supply (UPS), the precision equipments such as server are powered use, mainly online, reliability is high, output voltage, frequency, waveform, inversion bypass changeover time, complete machine preventive maintenance time are fast, failure rate is lows etc. all require very high, but volume is general all comparatively large, and major part is that two-way exchanges input; (2) automatic transfer switch (ATS), mechanical switch, second level break time, be generally used for UPS input front end, switch for 2 road civil powers or the switching of civil power and generator, because be mechanical, so there is a lot of potential safety hazard, also be not suitable for switching time in addition using in more accurate equipment, easily occur that equipment is restarted or phenomenon of shutting down; (3) static diverter switch (STS), with SCR electronic switch switch, Millisecond break time (be generally less than and equal 5 milliseconds), for UPS output, load bus synchro system (LBS) is coordinated to use, can accomplish to be interrupted for 0 second and cut, but major part is also exchange input, single channel exchanges and exports; Emergency power supply (EPS), mainly fire-fighting, backup type, switching time is greater than UPS, is not suitable for for the precision such as computer and server power supply occasion.

The power supply unit how to make uses new forms of energy when a road direct current input, and also do not affect the operation of equipment when direct current input goes wrong, be a urgent problem simultaneously.

Therefore, prior art has yet to be improved and developed.

Summary of the invention

In view of above-mentioned the deficiencies in the prior art, the purpose of this utility model is the uninterruptable power supply providing a kind of alternating current-direct current to input, this power supply unit not only exchanges input, can also direct input direct voltage, the direct current input service when exchanging input and going wrong; When exchanging input and going wrong; exchange input and carry out work; do not affect the output of back end DC voltage; the source of this direct current measurement can be wind energy and solar energy; also can be biological energy source and water energy; this power supply unit not only structure is simple, and very environmental protection, greatly strengthens the reliability and stability of output voltage.

A kind of uninterruptable power supply of alternating current-direct current input, comprise interchange and turn DC Module, Voltage stabilizing module and DC decompression module, described interchange turns the input of DC Module for exchanging input, output is connected with described DC decompression module, direct current inputs with described Voltage stabilizing module parallel connection and is placed in described interchange and turns in the middle of DC Module and DC decompression module, and the output of described DC decompression module is direct voltage.

The DC power supply of described band direct current input, wherein, the operational voltage value of described direct current input is lower than the magnitude of voltage of described Voltage stabilizing module, and both homopolarities are connected.

The DC power supply of described band direct current input, wherein, described interchange turns DC Module and can only export by direct current, can not oppositely direct current input.

The DC power supply of described band direct current input, wherein, described interchange input turns DC Module and described DC decompression module output dc voltage by described interchange, when described interchange input is abnormal, described direct current input, through described DC decompression module output dc voltage, when direct current input is abnormal, then is transformed into interchange input, described in handoff procedure, Voltage stabilizing module ensures the continuity of switching time and the stability of output voltage, ensures that the direct voltage of output is constant with this.

The DC power supply of band direct current input provided by the utility model, due to employing is AC and DC input, so decrease the loss work of part AC-DC, save space, further, the utility model is because input with direct current, even if so when exchanging input appearance exception, do not affect the output of back end DC voltage, and greatly reduce load because the problem of power supply and the failure rate that occurs, so make the work of some sophisticated electronicses more reliable and stable yet.

Accompanying drawing explanation

Fig. 1 is the structural representation of the DC power supply embodiment of band direct current input.

Wherein: 1, AC-DC module; 2, Voltage stabilizing module; 3, DC decompression module.

Embodiment

The uninterruptable power supply that the utility model provides a kind of alternating current-direct current to input, for making the purpose of this utility model, technical scheme and effect better clear, clear and definite, further describes the utility model referring to accompanying drawing examples.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.

Refer to shown in Fig. 1, with the DC power supply of direct current input, comprise interchange and turn DC Module 1, Voltage stabilizing module 2 and DC decompression module 3, described interchange turns the input of DC Module 1 for exchanging input, interchange turns DC Module 1 output and is connected with described DC decompression module 3, and described direct current inputs with described Voltage stabilizing module 2 parallel connection and is placed in described interchange and turns in the middle of DC Module 1 and DC decompression module 3, and the output of described DC decompression module 3 is direct voltage.

Further, when exchanging input and being stable, interchange turns DC Module 1 and the direct current high voltage after conversion is flowed to DC decompression module 3 by circuit or terminal board, the direct current of direct current measurement higher for voltage conversion low voltage exports by DC decompression module 4, it can be computer that direct current exports, server, disk array and other precise electronic equipment or other require the electric equipment etc. of not power-off.

Further, when ac input end occurs abnormal, interchange turns DC Module 1 and stops normal work, now direct current input through circuit or terminal board by the direct current slitless connection of high voltage to DC decompression module 3, by DC decompression module 3, voltage is dropped to the direct voltage conformed with the regulations.In the process, because there is the effect of one-way conduction DC decompression module 3 inside, so the electricity inside the Voltage stabilizing module 2 of high voltage can not charge to DC decompression module 3; When direct current input occurs abnormal, interchange turns DC Module 1 and returns to normal operating conditions, because there is the function of one-way conduction DC decompression module 3 inside, so now DC decompression module 3 drops into normal work, and because there is the effect of Voltage stabilizing module 3, so the fluctuation of voltage can not be caused to DC decompression module 3, ensure the uninterrupted operation that direct current exports like this.So far, complete alternate current operation state to direct current input service state, then got back to the circulation exchanging input normal operating conditions by direct current input service state.

The uninterruptable power supply of a kind of alternating current-direct current input of the present utility model, can be put into the inside of electronic equipment, also can make separately finished product and be put into before the input of electronic equipment, is used for ensureing the normal work of electronic equipment.Tell development along with electronic product, direct current can be more and more extensive, and solar energy, wind energy and water can wait clean energy resource to be all such direct current, and its of this sort energy-conservation energy cost and fail safe all will become becomes better and better.So the utility model has filled up the defect of existing product on market, improve reliability and the safe class of electronic equipment required voltage, be certain to substitute solution more traditional in the market in the future.

Should be understood that; application of the present utility model is not limited to above-mentioned citing; for those of ordinary skills, can be improved according to the above description and convert, all these improve and convert the protection range that all should belong to the utility model claims.

Claims (4)

1. the uninterruptable power supply of an alternating current-direct current input, it is characterized in that, comprise interchange and turn DC Module, Voltage stabilizing module and DC decompression module, described interchange turns the input of DC Module for exchanging input, output is connected with described DC decompression module, and direct current inputs with described Voltage stabilizing module parallel connection and is placed in described interchange and turns in the middle of DC Module and DC decompression module, and the output of described DC decompression module is direct voltage.

2. the uninterruptable power supply of a kind of alternating current-direct current input as claimed in claim 1, is characterized in that, the operational voltage value of described direct current input is lower than the magnitude of voltage of described Voltage stabilizing module, and both homopolarities are connected.

3. the uninterruptable power supply of a kind of alternating current-direct current input as claimed in claim 1, is characterized in that, described interchange turns DC Module and can only export by direct current, can not oppositely direct current input.

4. the uninterruptable power supply of a kind of alternating current-direct current input as claimed in claim 1, it is characterized in that, described interchange input turns DC Module and described DC decompression module output dc voltage by described interchange, when described interchange input is abnormal, described direct current input is through described DC decompression module output dc voltage; When direct current input is abnormal, then be transformed into interchange input, described in handoff procedure, Voltage stabilizing module ensures the continuity of switching time and the stability of output voltage, ensures that the direct voltage of output is constant with this.