CN203788027U - On-line UPS system achieving energy saving by utilization of photovoltaic energy - Google Patents

On-line UPS system achieving energy saving by utilization of photovoltaic energy Download PDF

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Publication number
CN203788027U
CN203788027U CN201420205065.5U CN201420205065U CN203788027U CN 203788027 U CN203788027 U CN 203788027U CN 201420205065 U CN201420205065 U CN 201420205065U CN 203788027 U CN203788027 U CN 203788027U
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inverter
input
circuit
photovoltaic
energy
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CN201420205065.5U
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陈志伟
李署明
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Guangdong Zhicheng Champion Group Co Ltd
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Guangdong Zhicheng Champion Group Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/70Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20End-user application control systems

Abstract

The utility model discloses an on-line UPS system achieving energy saving by utilization of photovoltaic energy. The system comprises a first active meter connected with the alternating current power network, a photovoltaic cell, a storage battery pack, a charging circuit and a second active meter. The system also comprises a rectification circuit, an inverter, a DC/DC changing circuit, a diode D1 and a bypass switch. The output end of the first active meter is connected with the input end of the rectification circuit and one end of the bypass switch. The output end of the rectification circuit and the photovoltaic cell are connected with the input end of the inverter and the input end of the charging circuit. The storage battery pack is connected with the positive electrode of the diode D1. The negative electrode of the diode D1 is connected with the input end of the inverter. The output end of the inverter and the other end of the bypass switch are connected with the input end of the second active meter. The system overcomes the defect that photovoltaic power generation depends on the power network, and achieves maximized utilization of photovoltaic electric energy.

Description

Utilize photovoltaic energy to realize energy-conservation online ups system
Technical field
The utility model relates to photo-voltaic power supply field, relates in particular to and utilizes photovoltaic energy to realize energy-conservation online ups system.
Background technology
Photovoltaic power generation technology is as a kind of emerging clean energy resource industry, and development recent years rapidly, is compared with traditional energy, the advantage such as have environmental protection, can reuse.In countries such as the U.S., Japan, Germany, France, implemented photovoltaic roof electricity generation system, UPS has been widely used in each occasion of industrial production and resident living as the power-off protection apparatus of important load.Photovoltaic cell and UPS are combined and can better bring into play both advantages, realize the maximum utilization of resource.
Utility model content
The utility model proposes photovoltaic generation is combined with ups system, under the condition that does not increase extra cost, realize generating electricity from net of photovoltaic, realized the optimized online ups system of function.
For realizing above-mentioned design, the utility model by the following technical solutions:
Employing utilizes photovoltaic energy to realize energy-conservation online ups system, comprise the first power electric meter of being connected with AC network, photovoltaic cell, batteries, the charging circuit connected with batteries, the second power electric meter being connected with load, also comprise: rectification circuit, inverter, DC/DC translation circuit, diode D1 and by-pass switch, the output of described the first power electric meter is connected with one end of the input of rectification circuit, by-pass switch, and the output of described rectification circuit, photovoltaic cell are all connected with the input of inverter, the input of charging circuit; Described batteries is connected with the anode of diode D1, and the negative electrode of described diode D1 is connected with the input of inverter; The output of described inverter is all connected with the input of the second power electric meter with the other end of by-pass switch.
Wherein, when the operating voltage of photovoltaic cell is identical with the operating voltage of inverter, described photovoltaic cell is directly connected with the input of inverter.
Wherein, when the operating voltage of photovoltaic cell is not identical with the operating voltage of inverter, also comprise DC/DC translation circuit, described photovoltaic cell is connected with the input of inverter by DC/DC translation circuit.
Wherein, also comprise power factor correction circuit, one end of described power factor correction circuit is connected with rectification circuit, and the other end is connected with inverter.
Wherein, also comprise diverter switch, a connection status of described diverter switch is connected between rectification circuit and the first power electric meter, and another connection status is connected between generator and rectification circuit.
Wherein, described batteries is provided with checkout gear, and when checkout gear detects electric weight in batteries lower than threshold value, output is for starting the contact signal of described generator.
The beneficial effects of the utility model are: system takes full advantage of original principle framework of UPS, realized the combination of photovoltaic and UPS, overcome the shortcoming of photovoltaic generation dependence electrical network, be highly suitable for needing the continuous occasion of powering and need utilize photovoltaic economizing on energy and electricity, can under any condition, have realized the maximum using of photovoltaic electric energy.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing of required use during the utility model embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to the content of the utility model embodiment and these accompanying drawings other accompanying drawing.
Fig. 1 is that the photovoltaic energy that utilizes that the utility model embodiment provides is realized the block diagram of energy-conservation online ups system.
Fig. 2 is that the photovoltaic energy that utilizes that the utility model embodiment provides is realized another block diagram of energy-conservation online ups system.
Embodiment
For making technical problem that the utility model solves, the technical scheme of employing and the technique effect that reaches are clearer, below in conjunction with accompanying drawing, the technical scheme of the utility model embodiment is described in further detail, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those skilled in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to Fig. 1, its photovoltaic energy that utilizes that is the utility model embodiment provides is realized the block diagram of energy-conservation online ups system.The energy-saving application that is mainly used in photovoltaic generation of the present embodiment, be specially adapted to light source abundance, have enough roof areas, need to power continuously, realize again the place of energy-saving and emission-reduction, such as large scale business mansion etc., the present invention can utilize the existing circuit framework of UPS in the situation that not increasing extra cost, to realize the energy-conservation of photovoltaic and generating.As shown in the figure, this online ups system, comprise the first power electric meter 110 being connected with AC network, photovoltaic cell 111, batteries 112, the charging circuit 113 being connected with batteries 112, the second power electric meter 115 being connected with load 114, also comprise: rectification circuit 116, inverter 117, diode D1 and by-pass switch 119, the input of the output of described the first power electric meter 110 and rectification circuit 116, one end of by-pass switch 119 is connected, the output of described rectification circuit 116, photovoltaic cell 111 all with the input of inverter 117, the input of charging circuit 113 is connected, described batteries 112 is connected with the anode of diode D1, and the negative electrode of described diode D1 is connected with the input of inverter 117, the other end of the output of described inverter 117 and by-pass switch 119 is all connected with the input of the second power electric meter 115.When the operating voltage of photovoltaic cell 111 is identical with the operating voltage of inverter 117, described photovoltaic cell 111 is directly connected with the input of inverter 117.
System takes full advantage of the existing principle framework of UPS, realized the combination of photovoltaic and UPS, overcome the shortcoming of photovoltaic generation dependence electrical network, no matter having or not of electrical network, all can utilize fully photovoltaic generation to realize energy-conservation, be highly suitable for needing the continuous occasion of powering and need utilize photovoltaic economizing on energy and electricity, can under any condition, have realized the maximum using of photovoltaic electric energy.Photovoltaic cell 111 is circuit supply as constant-current source, and whole system can be adjusted automatically according to circuit state the flow direction of electric current, realizes transmission and the utilization of rational electric energy.
The first power electric meter 110 wherein and the second power electric meter 115 can obtain respectively the stoichiometric number of civil power and the stoichiometric number of load power consumption, contribute to analyze the formation of power consumption, intuitively understand the minimizing of the energy spending that photovoltaic cell 111 brings.When the operating voltage of photovoltaic cell 111 is identical with the operating voltage of inverter 117, photovoltaic cell 111 is directly inverter 117 power supply, and user can organize suitable system according to photovoltaic cell 111 wherein and the parameter of inverter 117.If it is identical that the operating voltage of special photovoltaic cell 111 and inverter 117 is set to, can omit DC/DC translation circuit, reduce the construction cost of system.This has just verified in the condition that need not increase standard value of production, has utilized the existing framework of UPS to realize the energy-saving power generation of photovoltaic.
Further, as shown in Figure 2, described online ups system, also comprises power factor correction circuit, and one end of described power factor correction circuit is connected with rectification circuit 116, and the other end is connected with inverter 117.Also comprise diverter switch 120, a connection status of described diverter switch 120 is connected between rectification circuit 116 and the first power electric meter 110, and another connection status is connected between generator 121 and rectification circuit 116.Described batteries 112 is provided with checkout gear, and when checkout gear detects electric weight in batteries 112 lower than threshold value, output is for starting the contact signal of described generator 111.When the operating voltage of photovoltaic cell 111 is not identical with the operating voltage of inverter 117, also comprise DC/DC translation circuit 118, described photovoltaic cell 111 is connected with the input of inverter 117 by DC/DC translation circuit 118.
Special instruction, at this DC/DC translation circuit 118, in order to realize photovoltaic cell 111 that operating voltage is different and the current flowing between inverter 117, to adjust, make the voltage of inverter 117 inputs identical with operating voltage.
Online ups system in this programme, by the design of circuit mode self, the redirect automatically of the state of whole circuit, automatically by photovoltaic in optimum utilization state, without carry out condition judgment and corresponding logic redirect according to the current status in circuit.Without checkout gear independently, carry out condition judgment and logic redirect, automatically can complete good energy-saving effect, the utilance of energy is provided, reduce the energy spending of productive life, be conducive to set up low-carbon (LC) environment.Photovoltaic cell 111 is circuit supply as constant-current source, and whole system can be adjusted automatically according to circuit state the flow direction of electric current, realizes transmission and the utilization of rational electric energy.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.

Claims (6)

1. utilize photovoltaic energy to realize energy-conservation online ups system, comprise the first power electric meter of being connected with AC network, photovoltaic cell, batteries, the charging circuit connected with batteries, the second power electric meter being connected with load, it is characterized in that, also comprise: rectification circuit, inverter, diode D1 and by-pass switch, the output of described the first power electric meter is connected with one end of the input of rectification circuit, by-pass switch, and the output of described rectification circuit, photovoltaic cell are all connected with the input of inverter, the input of charging circuit; Described batteries is connected with the anode of diode D1, and the negative electrode of described diode D1 is connected with the input of inverter; The output of described inverter is all connected with the input of the second power electric meter with the other end of by-pass switch.
2. online ups system according to claim 1, is characterized in that, when the operating voltage of photovoltaic cell is identical with the operating voltage of inverter, described photovoltaic cell is directly connected with the input of inverter.
3. online ups system according to claim 1, it is characterized in that, when the operating voltage of photovoltaic cell is not identical with the operating voltage of inverter, also comprise DC/DC translation circuit, described photovoltaic cell is connected with the input of inverter by DC/DC translation circuit.
4. online ups system according to claim 1, is characterized in that, also comprises power factor correction circuit, and one end of described power factor correction circuit is connected with rectification circuit, and the other end is connected with inverter.
5. online ups system according to claim 1, it is characterized in that, also comprise diverter switch, a connection status of described diverter switch is connected between rectification circuit and the first power electric meter, and another connection status is connected between generator and rectification circuit.
6. online ups system according to claim 5, is characterized in that, described batteries is provided with checkout gear, and when checkout gear detects electric weight in batteries lower than threshold value, output is for starting the contact signal of described generator.
CN201420205065.5U 2014-04-24 2014-04-24 On-line UPS system achieving energy saving by utilization of photovoltaic energy Active CN203788027U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103928962A (en) * 2014-04-24 2014-07-16 广东志成冠军集团有限公司 On-line UPS system capable of achieving energy saving by photovoltaic energy and control method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103928962A (en) * 2014-04-24 2014-07-16 广东志成冠军集团有限公司 On-line UPS system capable of achieving energy saving by photovoltaic energy and control method thereof

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