CN104566718A - Air conditioner system - Google Patents
Air conditioner system Download PDFInfo
- Publication number
- CN104566718A CN104566718A CN201410833677.3A CN201410833677A CN104566718A CN 104566718 A CN104566718 A CN 104566718A CN 201410833677 A CN201410833677 A CN 201410833677A CN 104566718 A CN104566718 A CN 104566718A
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- CN
- China
- Prior art keywords
- air
- conditioning system
- transverter
- energy
- blower fan
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0096—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater combined with domestic apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
- F24F2005/0064—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground using solar energy
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
- F24F2005/0064—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground using solar energy
- F24F2005/0067—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground using solar energy with photovoltaic panels
Abstract
The invention provides an air conditioner system, which comprises at least one fan, at least one compressor, a direct current bus, at least one fan current converter and at least one compressor current converter, wherein each fan current converter is correspondingly connected with the corresponding fan, each compressor one-one correspondence is correspondingly connected with the corresponding compressor, each fan current converter and each compressor current converter are respectively connected with the direct current bus, each fan current converter has an inverting state and a rectifying state, the corresponding fan is driven in the inverting state, and the power generation electric energy of the corresponding fan is recovered in the rectifying state. The air conditioner system has the advantages that by arranging each fan current converter corresponding to the fan, when the air conditioner system works, the fan current converter works in the inverting state, and the fan is driven to radiate the heat of the air conditioner; when the air conditioner system stops, and the fan is driven by air to generate power, the fan current converter works in the rectifying state, so the electric energy is recycled; when the air conditioner system does not work, the fan is changed into one power generator, so the energy of the air conditioner system is saved.
Description
Technical field
The present invention relates to field of air conditioning, in particular to a kind of air-conditioning system.
Background technology
More and more stronger environmental protection and energy saving demand, makes to be no matter that domestic air conditioning or the development of business air conditioner are also progressively to frequency conversion future development.At present, permanent-magnet synchronous blower fan (i.e. impeller driven by permagnetic synchronous motor blower fan) has been widely used in air-conditioner.For the characteristic of permanent magnet synchronous machine reverse power generation, often need to carry out plugging control (software control or hardware Mechanical course) to the blower fan of air-conditioner.Thus avoid the reversion of permanent-magnet synchronous blower fan in the off-premises station of air-conditioning to generate electricity the risk of the burn-down of electric motor brought, but plugging is set controls also to cause the trouble point of air-conditioner to increase; In addition, the energy that blower fan reversion generating produces does not have effective recycling, causes energy waste.
Summary of the invention
The present invention aims to provide a kind of air-conditioning system that can be more energy-conservation.
The invention provides a kind of air-conditioning system, comprise at least one Fans and at least one compressor, air-conditioning system also comprises dc bus, and at least one Fans transverter to connect one to one with at least one Fans and at least one compressor transverter connected one to one with at least one compressor, at least one Fans transverter is all connected with dc bus with at least one compressor transverter; Wherein, at least one Fans transverter has the inverter mode driving blower fan and the rectification state reclaiming blower fan generating electric energy.
Further, air-conditioning system also comprises energy mix, and energy mix is connected with dc bus; Wherein, energy mix comprises at least two kinds of combinations in photovoltaic, photo-thermal, wind energy, tide, underground heat and biomass energy.
Further, energy mix is connected with dc bus by corresponding transverter.
Further, air-conditioning system also comprises energy-storage units, and energy-storage units is connected with dc bus by corresponding transverter.
Further, air-conditioning system also comprises grid-connected transverter, and the first end of grid-connected transverter is connected with electrical network, and the second end of grid-connected transverter is connected with dc bus.
Further, air-conditioning system also comprises isolating transformer, and isolating transformer is connected between electrical network and grid-connected transverter.
Further, grid-connected transverter is four-quadrant transverter.
Further, at least one Fans transverter and/or at least one compressor transverter are four-quadrant transverter.
Further, air-conditioning system comprises a compressor and multiple stage blower fan.
Further, air-conditioning system comprises multiple compressors and a Fans.
Further, air-conditioning system comprises multiple compressors and multiple stage blower fan.
According to air-conditioning system of the present invention, by arranging the blower fan transverter corresponding with blower fan, when air-conditioning system works, blower fan transverter is operated in inverter mode, blower fan is driven to dispel the heat to air-conditioning system, when air-conditioning system stops, when blower fan is driven generating by wind, blower fan transverter is operated in rectification state, thus reclaims electric energy.Namely, when air-conditioning system does not work, blower fan becomes a generator, thus makes air-conditioning system more energy-conservation.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the first embodiment principle schematic according to air-conditioning system of the present invention;
Fig. 2 is the second embodiment principle schematic according to air-conditioning system of the present invention;
Fig. 3 is the 3rd embodiment principle schematic according to air-conditioning system of the present invention;
Fig. 4 is the 4th embodiment principle schematic according to air-conditioning system of the present invention;
Fig. 5 is the 5th embodiment principle schematic according to air-conditioning system of the present invention;
Fig. 6 is the 6th embodiment principle schematic according to air-conditioning system of the present invention;
Description of reference numerals:
10, blower fan; 20, compressor; 30, blower fan transverter; 40, compressor transverter; 50, grid-connected transverter; 60, electrical network; 70, isolating transformer; 80, energy mix; 90, energy-storage units.
Detailed description of the invention
Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
As shown in Figure 1, according to air-conditioning system first embodiment of the present invention, comprise Fans 10 and a compressor 20, air-conditioning system also comprises dc bus, and the Fans transverter 30 that connect corresponding to blower fan 10 and the compressor transverter 40 that be connected corresponding to compressor 20, blower fan transverter 30 is all connected with dc bus with compressor transverter 40, and compressor transverter 40 drives compressor variable frequency, thus implements the converting operation of air-conditioning system.In this embodiment, blower fan transverter 30 has to drive the inverter mode of blower fan 10 and reclaim blower fan 10 and to generate electricity the rectification state of electric energy.Namely when air-conditioning system works, blower fan transverter 30 is operated in inverter mode, drives blower fan 10 pairs of air-conditioning system heat radiations, and when air-conditioning system stops, when blower fan 10 is driven generating by wind, blower fan transverter 30 is operated in rectification state, thus reclaims electric energy.Namely, when air-conditioning system does not work, blower fan becomes a generator, thus makes air-conditioning system more energy-conservation.
Further, in a first embodiment, air-conditioning system also comprises grid-connected transverter 50, and the first end of grid-connected transverter 50 is connected with electrical network 60, and the second end of grid-connected transverter 50 is all connected with compressor transverter 40 and blower fan transverter 30.Namely by grid-connected transverter 50, the electric energy that blower fan 10 generates electricity can be transported on electrical network.
Preferably, in a first embodiment, air-conditioning system also comprises isolating transformer 70, and isolating transformer 70 is connected between electrical network 60 and grid-connected transverter 50, and series connection isolating transformer 70 can improve the security of air-conditioning system, also can prevent interference.Grid-connected transverter 50 is four-quadrant transverter, and blower fan transverter 30 and compressor transverter 40 can adopt four-quadrant transverter, also can adopt conventional transverter.
Preferably, shown in composition graphs 1, the air-conditioning system of the first embodiment can also comprise energy mix 80, and energy mix 80 is connected with dc bus.According to actual conditions or control ability, can arrange the transverter corresponding with energy mix 80, namely energy mix 80 is connected with dc bus by corresponding transverter.Energy mix 80 includes but not limited at least two kinds of combinations in the clean energy resourcies such as photovoltaic, photo-thermal, wind energy, tide, underground heat and biomass energy, adopt the two or more energy to use simultaneously, the restriction that the single energy causes because of reasons such as environments for use can be removed, thus improve the self-centered possibility of energy when air-conditioning system is applied.Namely connect two or more new forms of energy at dc bus place, realize air-conditioning system energy and ensure self-sufficient as far as possible and do not ask for from civil power.
Preferably, the air-conditioning system of the first embodiment can also comprise energy-storage units 90, and energy-storage units 90 is connected with dc bus by corresponding transverter, thus to energy regenerating, and power, and arrange energy-storage units 90 blower fan 10 can be generated electricity produce electric energy carry out classification recovery.
The first embodiment shown in composition graphs 1 illustrates operation principle and the control procedure of air-conditioning system of the present invention, and when air-conditioning system works, the control for energy mix 80 is as follows:
If when the energy of 1 energy mix 80 mates with air conditioner load demand, energy mix can be only adopted to be that air-conditioning is powered.
If when 2 energy mix 80 energy are greater than air conditioner load demand, can control in the following way:
(1) if system does not comprise energy-storage units 90, energy mix 80 excess energy is generated electricity by way of merging two or more grid systems;
(2) if system comprise energy-storage units 90 and energy-storage units 90 electric charge deficiency need charging time, first the unnecessary electricity of energy mix 80 charges to energy-storage units 90, generates electricity by way of merging two or more grid systems when still having more than needed again;
(3) system comprises energy-storage units 90, and energy-storage units 90 also can carry out action according to the control logic linked with electrical network 60 of setting.
If when 3 energy mix 80 energy are less than air conditioner load energy:
(1) if system does not comprise energy-storage units 90, energy mix 80 insufficient section is supplemented by civil power;
(2) if system comprises energy-storage units 90, and when the electric charge of energy-storage units 90 is plentiful, first supplemented by energy-storage units 90; As still do not met air conditioning requirements, then supplemented by civil power;
(3) if system comprises energy-storage units 90, energy-storage units 90 also can carry out action according to the control logic linked with electrical network of setting.
When air-conditioning system braking or when not working, energy mix 80 energy all generates electricity by way of merging two or more grid systems, blower fan 10 electric energy that generates electricity reclaims according to following situation:
If 1 when not comprising energy-storage units 90, blower fan 10 electric energy that generates electricity is undertaken grid-connected by modes such as certain boosting measure or the staggered modulation of PAWM.
When 2, comprising energy-storage units 90, blower fan 10 electric energy that generates electricity carries out classification recovery:
(1) when blower fan inversion energy is less than a certain setting threshold value, this energy by the DC/DC transverter of energy-storage units 90 correspondence, can charge to energy-storage units 90, and the electric energy that generated electricity by blower fan 10 is reclaimed by the mode stored;
(2) when blower fan 10 generate electricity electric energy reach grid-connected conditions time, undertaken grid-connected by grid-connected transverter 50, isolating transformer 70 (this transformer can be selected to install depending on the quality of power supply), in supply net, other loads use;
(3) when blower fan 10 generate electricity electric energy close to grid-connected conditions time, being interlocked by certain boosting mode or PAWM, to carry out recovery to this energy grid-connected for modulation technique etc.
In addition, when electrical network peak load operation or need to support, when simultaneously energy-storage units more than 90 electricity is sufficient, can responds according to dispatching of power netwoks, carry out avoiding the peak hour peaking operation, for power grid security provides certain guarantee.
By above-mentioned control mode, effectively can solve air-conditioning system blower fan 10 and to generate electricity the less recovery problem of electric energy, take into account the diversity that air-conditioning system is powered, air-conditioning system is reached self-sufficiency as far as possible, not from civil power power taking; Energy-storage units 90 integrated, effectively can improve blower fan 10 and to generate electricity the electric energy rate of recovery and direct utilization rate, provide certain positive role simultaneously to electrical network.
In the second embodiment as shown in Figure 2, one drag two air-conditioning system (Fans 10, two compressor 20) adopts the mode being similar to the first embodiment, correspondence arranges the devices such as blower fan transverter 30, grid-connected transverter 50, energy mix 80, energy-storage units 90, first energy mix 80 is adopted, and reclaim air-conditioning system when not working, the electric energy that blower fan 10 generates electricity, thus make air-conditioning system self-sufficient as much as possible, do not consume civil power.
In the 3rd embodiment as shown in Figure 3, two fans air-conditioning system (two Fans 10, compressors 20) also adopts the mode being similar to the first embodiment, correspondence arranges the devices such as blower fan transverter 30, grid-connected transverter 50, energy mix 80, energy-storage units 90, first energy mix 80 is adopted, and reclaim air-conditioning system when not working, the electric energy that blower fan 10 generates electricity, thus make air-conditioning system self-sufficient as much as possible, do not consume civil power.
The multi fan air-conditioning system of the multi-split air conditioner of the 4th embodiment as shown in Figure 4 or the 5th embodiment as shown in Figure 5, and one drag many and have the mode that all can adopt in the air-conditioning system of multiple stage blower fan and be similar to the first embodiment in the 6th embodiment shown in Fig. 6, make air-conditioning system self-sufficient as much as possible, do not consume civil power.
As can be seen from the above description, the above embodiments of the present invention achieve following technique effect:
According to air-conditioning system of the present invention, by arranging the blower fan transverter corresponding with blower fan, when air-conditioning system works, blower fan transverter is operated in inverter mode, blower fan is driven to dispel the heat to air-conditioning system, when air-conditioning system stops, when blower fan is driven generating by wind, blower fan transverter is operated in rectification state, thus reclaims electric energy.Namely, when air-conditioning system does not work, blower fan becomes a generator, thus makes air-conditioning system more energy-conservation.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. an air-conditioning system, comprise at least one Fans (10) and at least one compressor (20), it is characterized in that, described air-conditioning system also comprises dc bus, and at least one Fans transverter (30) to connect one to one with described at least one Fans (10) and at least one compressor transverter (40) connected one to one with described at least one compressor (20), described at least one Fans transverter (30) is all connected with described dc bus with described at least one compressor transverter (40);
Wherein, described at least one Fans transverter (30) has the inverter mode driving described blower fan (10) and the rectification state reclaiming described blower fan (10) generating electric energy.
2. air-conditioning system according to claim 1, is characterized in that,
Described air-conditioning system also comprises energy mix (80), and described energy mix (80) is connected with described dc bus; Wherein, described energy mix (80) comprises at least two kinds of combinations in photovoltaic, photo-thermal, wind energy, tide, underground heat and biomass energy.
3. air-conditioning system according to claim 2, is characterized in that,
Described energy mix (80) is connected with described dc bus by corresponding transverter.
4. air-conditioning system according to claim 1, is characterized in that,
Described air-conditioning system also comprises energy-storage units (90), and described energy-storage units is connected with described dc bus by corresponding transverter.
5. air-conditioning system according to claim 1, is characterized in that,
Described air-conditioning system also comprises grid-connected transverter (50), and the first end of described grid-connected transverter (50) is connected with electrical network (60), and the second end of described grid-connected transverter (50) is connected with described dc bus.
6. air-conditioning system according to claim 5, is characterized in that,
Described air-conditioning system also comprises isolating transformer (70), and described isolating transformer (70) is connected between described electrical network (60) and described grid-connected transverter (50).
7. the air-conditioning system according to claim 5 or 6, is characterized in that,
Described grid-connected transverter (50) is four-quadrant transverter.
8. air-conditioning system according to claim 1, is characterized in that,
Described at least one Fans transverter (30) and/or described at least one compressor transverter (40) are four-quadrant transverter.
9. air-conditioning system according to claim 1, is characterized in that,
Described air-conditioning system comprises a compressor (20) and multiple stage blower fan (10).
10. air-conditioning system according to claim 1, is characterized in that,
Described air-conditioning system comprises multiple compressors (20) and a Fans (10).
11. air-conditioning systems according to claim 1, is characterized in that,
Described air-conditioning system comprises multiple compressors (20) and multiple stage blower fan (10).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410833677.3A CN104566718A (en) | 2014-12-26 | 2014-12-26 | Air conditioner system |
| PCT/CN2015/087841 WO2016101642A1 (en) | 2014-12-26 | 2015-08-21 | Air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410833677.3A CN104566718A (en) | 2014-12-26 | 2014-12-26 | Air conditioner system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104566718A true CN104566718A (en) | 2015-04-29 |
Family
ID=53083390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410833677.3A Pending CN104566718A (en) | 2014-12-26 | 2014-12-26 | Air conditioner system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104566718A (en) |
| WO (1) | WO2016101642A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016101644A1 (en) * | 2014-12-26 | 2016-06-30 | 珠海格力电器股份有限公司 | Air conditioning system |
| WO2016101641A1 (en) * | 2014-12-26 | 2016-06-30 | 珠海格力电器股份有限公司 | Air conditioning system |
| WO2016101642A1 (en) * | 2014-12-26 | 2016-06-30 | 珠海格力电器股份有限公司 | Air conditioning system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114825410A (en) * | 2022-06-29 | 2022-07-29 | 西安热工研究院有限公司 | Medium-voltage direct-current energy storage system for thermal power plant |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2016101642A1 (en) | 2016-06-30 |
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Application publication date: 20150429 |