CN105450039A - Power converter and photovoltaic air conditioning system applying same - Google Patents
Power converter and photovoltaic air conditioning system applying same Download PDFInfo
- Publication number
- CN105450039A CN105450039A CN201410406486.9A CN201410406486A CN105450039A CN 105450039 A CN105450039 A CN 105450039A CN 201410406486 A CN201410406486 A CN 201410406486A CN 105450039 A CN105450039 A CN 105450039A
- Authority
- CN
- China
- Prior art keywords
- bus
- power supply
- output
- changeover device
- supply changeover
- 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.)
- Pending
Links
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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Landscapes
- Direct Current Feeding And Distribution (AREA)
Abstract
The application provides a power converter, which comprises a direct current bus, a one-way direct current-direct current converter with an output end connected with the direct current bus, a two-way alternating current-direct current converter with a direct current end connected with the direct current bus, and a first direct current output end connected with the direct current bus, wherein the alternating current end of the two-way alternating current-direct current converter is connected with the alternating current bus; the household photovoltaic system, the commercial power and the air conditioner can be organically combined together, and the electric energy generated by the photovoltaic system and the commercial power are fully utilized to supplement each other, so that the purposes of energy conservation and emission reduction are achieved.
Description
Technical field
The application relates to air-conditioning technical field, more particularly, relates to a kind of power converter and applies its PV air-conditioner system.
Background technology
Along with socioeconomic development, people more and more focus on energy-saving and emission-reduction, and utilize renewable resource as the energy sources of family as much as possible, and therefore low profile photovoltaic system starts to enter common family.Because low profile photovoltaic system is comparatively large by the impact of period and weather, so can not meet the need for electricity of family completely, the supply of electric power that also will accept civil power as a supplement, to backup each other with solar energy photovoltaic system, thus reaches the object of energy-saving and emission-reduction.When using photovoltaic system and civil power as the power supply of air conditioner time, how triplicity is just become problem demanding prompt solution together.
Summary of the invention
In view of this, the application provides a kind of power supply changeover device and applies its PV air-conditioner system, for the photovoltaic system in family, civil power and air conditioner organically being combined.
To achieve these goals, the existing scheme proposed is as follows:
A kind of power supply changeover device, is applied to photovoltaic system, comprises:
DC bus;
Unidirectional direct-current-direct current transducer that output is connected with described DC bus, its input is as the direct current receiving terminal for connecting photovoltaic system;
Two-way exchange-direct current transducer that DC terminal is connected with described DC bus;
With described two-way exchange-direct current transducer exchange the ac bus that end is connected;
The isolating transformer that output is connected with described ac bus, its input is as the civil power receiving terminal for connecting civil power;
Be connected with described DC bus, for exporting galvanic first DC output end to the first load equipment.
Preferably, the voltage of described DC bus is 380 volts to 700 volts.
Described first load equipment comprises direct current varied-frequency air conditioner.
Preferably, also comprise:
The step-down dc-dc converter that input is connected with described DC bus, its output as second load equipment export galvanic second DC output end.
Preferably, the output voltage of described second DC output end is 100 volts to 380 volts;
Second load equipment comprises direct current varied-frequency air conditioner.
Preferably, described ac bus is three-phase alternating current bus.
Preferably, also comprise:
The alternating current output be connected with described three-phase alternating current bus.
Preferably, described alternating current output comprises:
The three-phase alternating current output be connected with described three-phase alternating current bus; With,
The single-phase alternating current output be connected with arbitrary phase and the zero line thereof of described three-phase alternating current bus.
Preferably, also comprise:
Be arranged on the switch of the output of described isolating transformer.
Preferably, also comprise:
The Switching Power Supply that input is connected with described DC bus;
Described Switching Power Supply is provided with the 3rd DC output end, described 3rd DC output end output voltage be 5 volts to 72 volts.
Preferably, also comprise controller, described controller is provided with:
The the first control signal output be connected with the control end of described two-way exchange-DC converter, described first control signal output is configured to control described two-way exchange-DC converter when described controller receives the first switch command and opens or close;
The the second control signal output be connected with the control end of described Unidirectional direct-current-DC converter, described second control signal output is configured to control described Unidirectional direct-current-DC converter when described controller receives second switch order and opens or close;
The 3rd control signal output be connected with the control end of described switch, described 3rd control signal output is configured to control described switch open or closedown when described control receives the 3rd control signal.
A kind of PV air-conditioner system, comprise power supply changeover device as above, described civil power receiving terminal is connected with civil power, also comprises:
The air conditioner be connected with described power supply changeover device.
A kind of PV air-conditioner system, comprises power supply changeover device as above, also comprises:
The photovoltaic system be connected with described direct current receiving terminal;
The energy-storage battery be connected with described DC bus;
The air conditioner be connected with described power supply changeover device.
As can be seen from technique scheme, this application provides a kind of power supply changeover device, this power supply changeover device is applied to PV air-conditioner system, comprise DC bus, Unidirectional direct-current-direct current transducer that output is connected with DC bus, two-way exchange-direct current transducer that DC terminal is connected with DC bus, the first DC output end be connected with DC bus, the interchange end of two-way exchange-direct current transducer is connected with ac bus, also comprise the isolating transformer that output is connected with ac bus, the input of isolating transformer is as civil power receiving terminal, the input of Unidirectional direct-current-direct current transducer is as direct current receiving terminal, wherein civil power receiving terminal is for connecting civil power, direct current receiving terminal is for connecting photovoltaic system, first DC output end is for connecting the first load equipment, and the first load equipment can be air conditioner, thus the photovoltaic system in family, civil power and air conditioner organically can be combined, can complement one another with civil power by making full use of photovoltaic system electricity, to reach the object of energy-saving and emission-reduction.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
A kind of power converter structure figure that Fig. 1 provides for the embodiment of the present application;
A kind of power converter structure figure that Fig. 2 provides for another embodiment of the application;
A kind of power converter structure figure that Fig. 3 provides for the another embodiment of the application;
A kind of power converter structure figure that Fig. 4 provides for the another embodiment of the application;
A kind of power converter structure figure that Fig. 5 provides for the another embodiment of the application;
A kind of power converter structure figure that Fig. 6 provides for the another embodiment of the application;
A kind of power converter structure figure that Fig. 7 provides for the application;
The structure chart of a kind of PV air-conditioner system that Fig. 8 provides for the another embodiment of the application;
The structure chart of a kind of PV air-conditioner system that Fig. 9 provides for the another embodiment of the application.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present application, be clearly and completely described the technical scheme in the embodiment of the present application, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the application's protection.
Embodiment one
The structure chart of a kind of power supply changeover device that Fig. 1 provides for the embodiment of the present application.
As shown in Figure 1, the volume power supply changeover device 100 that the present embodiment provides comprises DC bus 10, Unidirectional direct-current-direct current transducer 20, two-way exchange-direct current transducer 30, ac bus 31 and isolating transformer G.
Unidirectional direct-current-DC converter 20 is for receiving the electric energy of the photovoltaic system generation arranged in family, its input is as the direct current receiving terminal 102 of this supply convertor, for connecting the electric energy output end of this photovoltaic system, the direct current through producing photovoltaic system produces medium voltage DC and outputs to the DC bus 10 be connected with its output after entering boosting inverter.
DC bus 10 is also connected with the DC terminal of two-way exchange-DC converter 30, and the interchange end of two-way exchange-DC converter 30 is connected with ac bus 31.The voltage of the DC bus 10 in the present embodiment is 380 volts to 700 volts.
Ac bus 31 is connected with the output of isolating transformer G, and the input of isolating transformer G is as the civil power receiving terminal 103 of the power supply changeover device 100 of the present embodiment, and this civil power receiving terminal 103 is for connecting the three-phase alternating current of civil power.
The effect of two-way exchange-DC converter 30 is when this power supply changeover device 100 utilizes photovoltaic system electricity can drive the air conditioner be connected on DC bus 10, once photovoltaic system electricity can be not enough to drive this air conditioner, then two-way exchange-DC converter 30 exchanges end to DC bus 10 transmission of electric energy from it; On the contrary, if when photovoltaic system electricity can exceed the load of this air conditioner, electric energy turns back to ac bus 31 from the DC terminal of this two-way exchange-direct current transducer 30, and turns back in electrical network through isolating transformer G, thus plays the effect of photovoltaic plant.
DC bus 10 is also provided with the first DC output end 101, this first DC output end 101, for connecting the first load equipment (not shown), exports direct current to it.Voltage due to DC bus 10 is 380 volts to 700 volts, and therefore the output voltage of this first DC output end 101 is also 380 volts to 700 volts.Connected first load equipment comprises direct current varied-frequency air conditioner, this direct current varied-frequency air conditioner is the Central air-conditioning unit that input voltage is higher, comprises centrifugal refrigerating machines, screw-type water chiller, water earth source heat pump unit, module unit and/or VRF Air Conditioning System.Except direct current varied-frequency air conditioner, the first DC output end 101 also can connect other loads of mating with this output voltage.
As can be seen from technique scheme, present embodiments provide a kind of power supply changeover device, this power supply changeover device is applied to PV air-conditioner system, comprise DC bus, Unidirectional direct-current-direct current transducer that output is connected with DC bus, two-way exchange-direct current transducer that DC terminal is connected with DC bus, the first DC output end be connected with DC bus, the interchange end of two-way exchange-direct current transducer is connected with ac bus, also comprise the isolating transformer that output is connected with ac bus, the input of isolating transformer is as civil power receiving terminal, the input of Unidirectional direct-current-direct current transducer is as direct current receiving terminal, wherein civil power receiving terminal is for connecting civil power, direct current receiving terminal is for connecting photovoltaic system, first DC output end is for connecting the first load equipment, and the first load equipment can be air conditioner, thus the photovoltaic system in family, civil power and air conditioner organically can be combined, can complement one another with civil power by making full use of photovoltaic system electricity, to reach the object of energy-saving and emission-reduction.
Embodiment two
The structure chart of a kind of power supply changeover device that Fig. 2 provides for another embodiment of the application.
As shown in Figure 2, the power supply changeover device 100 that the present embodiment provides has set up step-down dc-dc converter 40 on the basis of a upper embodiment.
The input of this step-down dc-dc converter 40 is connected with DC bus 10, for carrying out step-down to the high voltage direct current on DC bus 10, to obtain medium voltage DC, its output is as the second DC output end 104 of this power supply changeover device 100, for connecting the second load equipment, second load equipment is direct current varied-frequency air conditioner, and this air conditioner comprises domestic air conditioning, as window air conditioner, Domestic separating air conditioner, VRF Air Conditioning System, unit air-conditioner.Owing to adding the second DC output end, thus the convenient type selecting selecting air conditioner model, particularly domestic air conditioning.Specifically, its output voltage is 100 volts to 380 volts, can be specifically 110 volts, 200 volts, 220 volts, 300 volts, 350 volts, 380 volts.Other loads that the output voltage that second load equipment can also comprise other input voltages and the second DC output end 104 matches.
Embodiment three
The structure chart of the power supply changeover device that Fig. 3 provides for the another embodiment of the application.
As shown in Figure 3, the power supply changeover device 100 that the present embodiment provides has set up alternating current output on the basis of a upper embodiment, and this alternating current output is used for exporting electric energy to interchange air-conditioner with fixed frequency.
Ac bus 31 in the present embodiment is three-phase alternating current bus.Alternating current output comprises three-phase alternating current output 105 and single-phase alternating current output 106.Three-phase alternating current output 105 is connected with three-phase alternating current bus, for exporting three-phase alternating current to three-phase alternating current load, as three-phase frequency alternating current air-conditioner surely, to drive three-phase alternating current air-conditioner operation frequently surely; Single-phase alternating current output 106 is connected with its zero line with any phase of three-phase alternating current bus, for single phase alternating current (A.C.) load output single-phase alternating current, as being the single-phase fixed alternating current of alternating current air-conditioner output single-phase frequently, runs to drive single-phase fixed alternating current air-conditioner frequently.
Embodiment four
The structure chart of a kind of power supply changeover device that Fig. 4 provides for the another embodiment of the application.
As shown in Figure 4, the power supply changeover device 100 that the present embodiment provides has set up K switch on the basis of a upper embodiment.
This K switch is arranged on the output of isolating transformer G, for disconnecting or connect the electrical connection of this output and ac bus 31.Just can cut off the power supply to ac bus 31 like this when not cutting off connection with civil power of civil power receiving terminal 103, thus this power supply changeover device 100 be used have more flexibility.
Embodiment five
The structure chart of a kind of power supply changeover device that Fig. 5 provides for the another embodiment of the application.
As shown in Figure 5, the power supply changeover device 100 that the present embodiment provides has set up Switching Power Supply 70 on the base of a upper embodiment.
The input of this Switching Power Supply 70 is connected with DC bus 10, for converting the direct current on DC bus 10, and exports 5 volts to 72 volts direct currents by the 3rd DC output end 107 disposed thereon.Concrete can be 5 volts, 12 volts, 24 volts, 32 volts, 48 volts and/or 72 volts, can be used as the control electricity of this power supply changeover device 100 and/or the charging such as control electricity, direct-current LED electric consumption on lighting, mobile phone, platform computer, the battery vehicle electricity consumption of central air conditioning group controller.
In addition; according to specific circumstances; this Switching Power Supply 70 only can export one or both above-mentioned direct currents; the direct current of other electric pressures can also be exported according to actual conditions; no matter which kind of situation; owing to being all the increase and decrease in the design philosophy of the application, without the need to making creative work, so all within the application's protection range.
Embodiment six
The structure chart of a kind of power supply changeover device that Fig. 6 provides for the another embodiment of the application.
As shown in Figure 6, the power supply changeover device 100 that the present embodiment provides has set up controller 50 on the basis of a upper embodiment.
Controller 100 is provided with the first control signal output (not shown) be connected with the control end (not shown) of two-way exchange-direct current transducer 30, control this two-way exchange-DC converter 30 by it during for receiving the first switch control rule order when controller to open or close, exchange with the electric energy controlled between ac bus 31 and DC bus 10.
Controller 50 is also provided with the second control signal output (not shown) be connected with the control end (not shown) of Unidirectional direct-current-DC converter 20, for when controller 50 receives second switch control command, control this Unidirectional direct-current-DC converter 20 by it to open or close, start to control photovoltaic system or stop supplying electric energy to DC bus 10.
Controller 50 is also provided with the 3rd control signal output be connected with the control end (not shown) of K switch, for when controller 50 receives the 3rd switch control rule order, closed or the shutoff by its control switch K, to control the electrical connection of isolating transformer G and ac bus 31.
Controller 50 in the present embodiment can utilize the mode of relay and combination thereof to be achieved, and receives above-described first switch control rule order, second switch control command and the 3rd switch control rule order by its control end.Also the controlling functions of this controller of chip microcontroller 50 can be utilized.
In addition, in order to connect more photovoltaic system, namely connect more solar panel, to obtain more clean electric energy, Unidirectional direct-current-DC converter 20 can be multiple, as shown in Figure 7.The present embodiment comprises two Unidirectional direct-current-DC converter 20, is respectively used to be connected with corresponding photovoltaic system.
Owing to above examples providing the power supply changeover device that civil power, photovoltaic system and air conditioner can be organically combined, therefore the compound mode of various energy supply can be made easily, and only civil power and air conditioner are combined, or only photovoltaic system and air conditioner are combined.
Because the kind of air conditioner is more various, comprise the air conditioner of direct current supply and the air conditioner of Alternating Current Power Supply, therefore in order to above problem is described, now the structure of this several air conditioner when being connected with power supply changeover device be explained, therefore spy provides following two specific embodiments.
Embodiment seven
The structure chart of a kind of PV air-conditioner system that Fig. 8 provides for the another embodiment of the application.
As shown in Figure 8, the PV air-conditioner system that the present embodiment provides comprises the power supply changeover device 100 that above embodiment provides.The civil power receiving terminal 103 of power supply changeover device is connected with civil power 1031.
In addition, power supply changeover device 100 is also connected with air conditioner, air conditioner can select the high voltage direct current transducer air conditioning 1011 be connected with the first DC output end 101 according to actual needs, high voltage direct current transducer air conditioning 1011 is central air-conditioning, as centrifugal refrigerating machines, screw-type water chiller, water earth source heat pump unit, module unit and/or VRF Air Conditioning System), direct current varied-frequency air conditioner 1041 is pressed in being connected with the second DC output end 104, press direct current varied-frequency air conditioner 1041 for domestic air conditioning in this, as window air conditioner, Domestic separating air conditioner, VRF Air Conditioning System, unit air-conditioner, one or more surely frequently in alternating current air-conditioner 1051 and the single-phase fixed alternating current air-conditioner 1061 frequently that is connected with single-phase alternating current output 106 of the three-phase be connected with three-phase alternating current output 105.
Embodiment eight
The structure chart of a kind of PV air-conditioner system that Fig. 9 provides for the another embodiment of the application.
As shown in Figure 9, the PV air-conditioner system that the present embodiment provides comprises the power supply changeover device 100 that embodiment six provides.
Also comprise the photovoltaic system 1021 be connected with direct current receiving terminal 102 in addition, photovoltaic system 1021 supplies electric energy by this direct current receiving terminal 102 to DC bus; Also comprise the energy-storage battery 1001 be connected with DC bus 10, this energy-storage battery 1001 for unnecessary electric energy being stored when the load of air conditioner is less than the power of photovoltaic system 1021, also for when the load of air conditioner is greater than the power of photovoltaic system 1021 to DC bus 10 electric energy supplement.
In addition, power supply changeover device 100 is also connected with air conditioner, air conditioner can select the high voltage direct current transducer air conditioning 1011 be connected with the first DC output end 101 according to actual needs, high voltage direct current transducer air conditioning 1011 is central air-conditioning, as centrifugal refrigerating machines, screw-type water chiller, water earth source heat pump unit, module unit and/or VRF Air Conditioning System), direct current varied-frequency air conditioner 1041 is pressed in being connected with the second DC output end 104, press direct current varied-frequency air conditioner 1041 for domestic air conditioning in this, as window air conditioner, Domestic separating air conditioner, VRF Air Conditioning System, unit air-conditioner, one or more surely frequently in alternating current air-conditioner 1051 and the single-phase fixed alternating current air-conditioner 1061 frequently that is connected with single-phase alternating current output 106 of the three-phase be connected with three-phase alternating current output 105.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the application.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from the spirit or scope of the application, can realize in other embodiments.Therefore, the application can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (12)
1. a power supply changeover device, is applied to photovoltaic system, it is characterized in that, comprising:
DC bus;
Unidirectional direct-current-direct current transducer that output is connected with described DC bus, its input is as the direct current receiving terminal for connecting photovoltaic system;
Two-way exchange-direct current transducer that DC terminal is connected with described DC bus;
With described two-way exchange-direct current transducer exchange the ac bus that end is connected;
The isolating transformer that output is connected with described ac bus, its input is as the civil power receiving terminal for connecting civil power;
Be connected with described DC bus, for exporting galvanic first DC output end to the first load equipment.
2. power supply changeover device as claimed in claim 1, it is characterized in that, the voltage of described DC bus is 380 volts to 700 volts;
Described first load equipment comprises direct current varied-frequency air conditioner.
3. power supply changeover device as claimed in claim 1, is characterized in that, also comprise:
The step-down dc-dc converter that input is connected with described DC bus, its output as second load equipment export galvanic second DC output end.
4. power supply changeover device as claimed in claim 3, it is characterized in that, the output voltage of described second DC output end is 100 volts to 380 volts;
Second load equipment comprises direct current varied-frequency air conditioner.
5. the power supply changeover device as described in any one of Claims 1 to 4, is characterized in that, described ac bus is three-phase alternating current bus.
6. power supply changeover device as claimed in claim 5, is characterized in that, also comprise:
The alternating current output be connected with described three-phase alternating current bus.
7. power supply changeover device as claimed in claim 6, it is characterized in that, described alternating current output comprises:
The three-phase alternating current output be connected with described three-phase alternating current bus; With,
The single-phase alternating current output be connected with arbitrary phase and the zero line thereof of described three-phase alternating current bus.
8. power supply changeover device as claimed in claim 6, is characterized in that, also comprise:
Be arranged on the switch of the output of described isolating transformer.
9. the power supply changeover device as described in any one of Claims 1 to 4, is characterized in that, also comprises:
The Switching Power Supply that input is connected with described DC bus;
Described Switching Power Supply is provided with the 3rd DC output end, described 3rd DC output end output voltage be 5 volts to 72 volts.
10. power supply changeover device as claimed in claim 9, it is characterized in that, also comprise controller, described controller is provided with:
The the first control signal output be connected with the control end of described two-way exchange-DC converter, described first control signal output is configured to control described two-way exchange-DC converter when described controller receives the first switch command and opens or close;
The the second control signal output be connected with the control end of described Unidirectional direct-current-DC converter, described second control signal output is configured to control described Unidirectional direct-current-DC converter when described controller receives second switch order and opens or close;
The 3rd control signal output be connected with the control end of described switch, described 3rd control signal output is configured to control described switch open or closedown when described control receives the 3rd control signal.
11. 1 kinds of PV air-conditioner systems, is characterized in that, comprise the power supply changeover device as described in any one of claim 1 ~ 10, and described civil power receiving terminal is connected with civil power, also comprises:
The air conditioner be connected with described power supply changeover device.
12. 1 kinds of PV air-conditioner systems, is characterized in that, comprise the power supply changeover device as described in any one of claim 1 ~ 10, also comprise:
The photovoltaic system be connected with described direct current receiving terminal;
The energy-storage battery be connected with described DC bus;
The air conditioner be connected with described power supply changeover device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410406486.9A CN105450039A (en) | 2014-08-18 | 2014-08-18 | Power converter and photovoltaic air conditioning system applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410406486.9A CN105450039A (en) | 2014-08-18 | 2014-08-18 | Power converter and photovoltaic air conditioning system applying same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105450039A true CN105450039A (en) | 2016-03-30 |
Family
ID=55559920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410406486.9A Pending CN105450039A (en) | 2014-08-18 | 2014-08-18 | Power converter and photovoltaic air conditioning system applying same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105450039A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108931957A (en) * | 2018-08-22 | 2018-12-04 | 珠海格力电器股份有限公司 | Power supply method of air conditioner water chilling unit, air conditioner water chilling unit and air conditioner |
| CN111130324A (en) * | 2018-10-31 | 2020-05-08 | 冷王公司 | Reconfigurable mains input with passive booster |
| WO2021057178A1 (en) * | 2019-09-26 | 2021-04-01 | 珠海格力电器股份有限公司 | Photovoltaic air conditioning system starting method, controller, and photovoltaic air conditioning system |
| CN116829879A (en) * | 2021-01-13 | 2023-09-29 | 大金工业株式会社 | How to replace air conditioning units and functional components |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202268736U (en) * | 2011-09-14 | 2012-06-06 | 厦门蓝溪科技有限公司 | Household DC power supply system |
| CN103107531A (en) * | 2013-03-01 | 2013-05-15 | 哈尔滨工业大学 | Intelligent building direct current micro-grid based on distributed generation and uninterrupted power supply (UPS) energy storage integration |
| JP2013206352A (en) * | 2012-03-29 | 2013-10-07 | Denso Wave Inc | Maximum power point detection method and maximum power point detector |
| CN103595138A (en) * | 2013-11-21 | 2014-02-19 | 国网上海市电力公司 | Smart micro-grid system |
| CN103618372A (en) * | 2013-12-11 | 2014-03-05 | 厦门大学 | Photovoltaic direct current micro-grid system |
| JP2014090569A (en) * | 2012-10-30 | 2014-05-15 | Sharp Corp | Power conversion device, power supply system and power supply method |
| JP2014096966A (en) * | 2012-11-12 | 2014-05-22 | Kyocera Corp | Power conditioner, power conditioner system, and control method of power conditioner |
| CN203632572U (en) * | 2013-12-24 | 2014-06-04 | 珠海格力电器股份有限公司 | Converter and Photovoltaic Power Generation System |
| CN203645345U (en) * | 2013-12-24 | 2014-06-11 | 珠海格力电器股份有限公司 | Solar air conditioning system |
| CN203690941U (en) * | 2013-12-24 | 2014-07-02 | 珠海格力电器股份有限公司 | Ternary converter system based on distributed power generation system |
| CN204205969U (en) * | 2014-08-18 | 2015-03-11 | 珠海格力电器股份有限公司 | Power converter and photovoltaic air conditioning system applying same |
-
2014
- 2014-08-18 CN CN201410406486.9A patent/CN105450039A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202268736U (en) * | 2011-09-14 | 2012-06-06 | 厦门蓝溪科技有限公司 | Household DC power supply system |
| JP2013206352A (en) * | 2012-03-29 | 2013-10-07 | Denso Wave Inc | Maximum power point detection method and maximum power point detector |
| JP2014090569A (en) * | 2012-10-30 | 2014-05-15 | Sharp Corp | Power conversion device, power supply system and power supply method |
| JP2014096966A (en) * | 2012-11-12 | 2014-05-22 | Kyocera Corp | Power conditioner, power conditioner system, and control method of power conditioner |
| CN103107531A (en) * | 2013-03-01 | 2013-05-15 | 哈尔滨工业大学 | Intelligent building direct current micro-grid based on distributed generation and uninterrupted power supply (UPS) energy storage integration |
| CN103595138A (en) * | 2013-11-21 | 2014-02-19 | 国网上海市电力公司 | Smart micro-grid system |
| CN103618372A (en) * | 2013-12-11 | 2014-03-05 | 厦门大学 | Photovoltaic direct current micro-grid system |
| CN203632572U (en) * | 2013-12-24 | 2014-06-04 | 珠海格力电器股份有限公司 | Converter and Photovoltaic Power Generation System |
| CN203645345U (en) * | 2013-12-24 | 2014-06-11 | 珠海格力电器股份有限公司 | Solar air conditioning system |
| CN203690941U (en) * | 2013-12-24 | 2014-07-02 | 珠海格力电器股份有限公司 | Ternary converter system based on distributed power generation system |
| CN204205969U (en) * | 2014-08-18 | 2015-03-11 | 珠海格力电器股份有限公司 | Power converter and photovoltaic air conditioning system applying same |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108931957A (en) * | 2018-08-22 | 2018-12-04 | 珠海格力电器股份有限公司 | Power supply method of air conditioner water chilling unit, air conditioner water chilling unit and air conditioner |
| CN111130324A (en) * | 2018-10-31 | 2020-05-08 | 冷王公司 | Reconfigurable mains input with passive booster |
| WO2021057178A1 (en) * | 2019-09-26 | 2021-04-01 | 珠海格力电器股份有限公司 | Photovoltaic air conditioning system starting method, controller, and photovoltaic air conditioning system |
| US20220136721A1 (en) * | 2019-09-26 | 2022-05-05 | Gree Electric Appliances, Inc. Of Zhuhai | Photovoltaic air conditioning system startup method, controller and photovoltaic air conditioning system |
| US11859840B2 (en) * | 2019-09-26 | 2024-01-02 | Gree Electric Appliances, Inc. Of Zhuhai | Photovoltaic air conditioning system startup method, controller and photovoltaic air conditioning system |
| CN116829879A (en) * | 2021-01-13 | 2023-09-29 | 大金工业株式会社 | How to replace air conditioning units and functional components |
| CN116829879B (en) * | 2021-01-13 | 2024-02-06 | 大金工业株式会社 | How to replace air conditioning units and functional components |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101806490A (en) | Frequency-conversion air conditioner with solar cell | |
| CN204205969U (en) | Power converter and photovoltaic air conditioning system applying same | |
| CN203466577U (en) | Photovoltaic control inverter all-in-one machine system based on bidirectional conversion structure | |
| WO2012144358A1 (en) | Power supply device, control method for power supply device, and dc power supply system | |
| CN202993467U (en) | Power supply control system of solar air conditioner | |
| CN203734364U (en) | Light storage mixing system | |
| CN103178549A (en) | Control system and control method for photovoltaic auxiliary grid-connected power generation | |
| Joseph et al. | Low voltage direct current (LVDC) nanogrid for home application | |
| Chauhan et al. | DC distribution system for energy efficient buildings | |
| KR101609245B1 (en) | Apparatus for storing energy | |
| CN105471368A (en) | Solar assembly roof system | |
| Hosseini et al. | A novel high gain single-switch DC-DC buck-boost converter with continuous input and output power | |
| CN105450039A (en) | Power converter and photovoltaic air conditioning system applying same | |
| CN205304264U (en) | Direct current, interchange integrated load power supply system | |
| CN108767842A (en) | A kind of direct-flow air conditioner power supply system of photovoltaic and electrical network complementation | |
| WO2016004896A1 (en) | Photovoltaic inverter and air conditioner | |
| CN104716680A (en) | Offline uninterruptible power supply with renewable energy and control method thereof | |
| CN204118735U (en) | Photovoltaic air conditioning system and photovoltaic air conditioner with same | |
| CN204046190U (en) | Photovoltaic frequency conversion air conditioner | |
| CN204046508U (en) | Photovoltaic inverter and air conditioner | |
| CN105692368B (en) | A kind of honourable energy-conserving elevator control device | |
| CN202888860U (en) | Off-grid and grid-connected photovoltaic inverter | |
| CN203056600U (en) | A solar photovoltaic grid-connected power generation system for DC inverter air conditioners | |
| CN205105134U (en) | Multi-controller system and electric control system used for same | |
| CN205051431U (en) | Ensure alternating current -direct current conversion equipment of incessant output of power |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160330 |