CN104654643A - Air conditioning system - Google Patents
Air conditioning system Download PDFInfo
- Publication number
- CN104654643A CN104654643A CN201510039044.XA CN201510039044A CN104654643A CN 104654643 A CN104654643 A CN 104654643A CN 201510039044 A CN201510039044 A CN 201510039044A CN 104654643 A CN104654643 A CN 104654643A
- Authority
- CN
- China
- Prior art keywords
- transverter
- conditioning system
- air
- compressor
- 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.)
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
- F24F1/0033—Indoor units, e.g. fan coil units characterised by fans having two or more fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
Abstract
The invention provides an air conditioning system, which comprises at least one draught fan and at least one compressor, and further comprises a direct current bus and at least one main press converter connected to the direct current bus, wherein each main press converter is in drive connection with at least one in the at least one draught fan and at least one in the at least one compressor; the main press converter is provided with an inverter state for driving the compressor and the draught fan and a rectification state for recycling the power generation electric energy of the draught fan. According to the air conditioning system, each main press converter synchronously drives at least one draught fan and at least one compressor, so that the same setting in the air conditioning system is effectively reduced and the cost is reduced; in addition, when the air conditioning system works, the main press converter works in the inverter state and drives the compressor and the draught fan to work; when the air conditioning system stops, the main press converter works in the rectification state under the condition that the draught fan is driven to generate electricity by wind, so that the electric energy is recycled.
Description
Technical field
The present invention relates to field of air conditioning, in particular to a kind of air-conditioning system.
Background technology
Creating Green product, become the demand that development is based oneself upon by enterprise, and in field of air conditioning, also be cater to " green " to move towards the frequency conversion epoch gradually, at present, due to plurality of advantages such as permanent magnetic synchronous motor structure is firm, volume is little, high air gap flux density, high power, high moment of inertia ratios, be widely used on compressor/blower fan, in prior art, due to the difference of compressor and rotation speed of fan, power and load characteristic, so need to use different current transformer, different driving governors, the size of fan radiating power also needs coupling of programming in addition.The method adopted in prior art, although the common factor decreasing two loads becomes independently control section, makes it all can not shut down because of a fault-signal, adds equipment identical in air-conditioning system, improve cost; Simultaneously when air-conditioning system is left unused, wind-force makes blower fan rotate the energy produced not carry out effective recycling, cause the waste of available resources.
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, at least one compressor, air-conditioning system also comprises dc bus and is connected at least one main press transverter on dc bus, and every platform main press transverter drives with at least one at least one at least one Fans and at least one compressor and is connected; Wherein, main press transverter has the inverter mode driving compressor and blower fan and the rectification state reclaiming blower fan generating electric energy.
Further, air-conditioning system also comprises at least one auxiliary press transverter, and the input of auxiliary press transverter is connected on dc bus, and drive corresponding with compressor of the output of auxiliary press transverter connects.
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, main press transverter and/or auxiliary press transverter are four-quadrant transverter.
Further, air-conditioning system also comprises battery, and battery is connected with dc bus.
Further, air-conditioning system comprises a compressor and multiple stage blower fan, and compressor and multiple stage blower fan drive with a main press transverter and be connected.
Further, air-conditioning system comprises multiple compressors and a Fans, and one in multiple compressors to drive with main press transverter with a Fans and is connected; Other compressors in multiple compressors drive with auxiliary press transverter one_to_one corresponding and are connected.
Further, air-conditioning system comprises multiple compressors and multiple stage blower fan, and the main press transverter of every platform drives with a compressor and a Fans and is connected.
According to air-conditioning system of the present invention, by making every platform main press transverter drive at least one Fans and at least one compressor simultaneously, thus the setting that the air-conditioning system effectively reduced is inner identical, reduce cost; In addition, when air-conditioning system works, main press transverter is operated in inverter mode, drives compressor and blower fan work; When air-conditioning system stops, when blower fan is driven generating by wind, main press 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, main press transverter; 40, auxiliary press transverter; 50, grid-connected transverter; 60, electrical network; 70, isolating transformer.
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, compressor 20, air-conditioning system also comprises dc bus and is connected to a main press transverter 30 on dc bus, and main press transverter 30 drives with blower fan 10 and compressor 20 and is connected; Wherein, main press transverter 30 has to drive the inverter mode of compressor 20 and blower fan 10 and reclaim blower fan 10 and to generate electricity the rectification state of electric energy.
In a first embodiment, by making main press transverter 30 drive blower fan 10 and compressor 20 simultaneously, compared to existing technology, decrease a Fans transverter and corresponding driving mechanism, reduce cost; In addition, when air-conditioning system works, main press transverter 30 is operated in inverter mode, drives compressor 20 and blower fan 10 to work; When air-conditioning system stops, when blower fan 10 is driven generating by wind, main press 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.
Particularly, because main press transverter 30 drives blower fan 10 and compressor 20 simultaneously, thus can simultaneously lifting frequency, acting coupling.For air-conditioning work under refrigerating state, in raising frequency process, blower fan 10 and compressor 20 can synchronously increase speed, comparatively meet refrigerating capacity large time, compressor work is large, condenser heat exchange amount large, and rotation speed of fan is high simultaneously, heat dissipation capacity is large; Correspondingly, when frequency reducing, blower fan 10 and compressor 20 synchronously can reduce rotating speed, comparatively meet refrigerating capacity hour, and compressor work is little, condenser heat exchange amount is little, and rotation speed of fan is low simultaneously, heat dissipation capacity is little.
When air-conditioning system is left unused, if any wind, blower fan 10 is rotated, then use this main press transverter 30 shared to carry out reverse rectification and obtain direct current, in the presence of a harsh environment, because main press transverter 30 power grade is high, the possibility causing generating to damage is little.
Preferably, air-conditioning system can also arrange battery, and battery is connected with main press transverter 30 (or dc bus), in blower fan 10 power generation process, by power storage, when blower fan normally works, battery provides a part of electric energy to work for blower fan 10.
Further, air-conditioning system can also comprise 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 connected with dc bus.Namely blower fan 10 generate electricity namely can by the equipment such as battery store, also carry out grid-connected other loads of supply electrical network by grid-connected transverter 50.Usually, grid-connected transverter 50 and main press transverter 30 are four-quadrant transverter.
Preferably, 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.
Composition graphs 1 illustrates the operation principle of air-conditioning system of the present invention.The relatively common convertible frequency air-conditioner of air-conditioning system of the first embodiment, cancel fan converter and driving governor thereof, blower fan 10 is directly connected on main press transverter 30, by choosing or the use of reduction gearing blower fan 10 motor number of pole-pairs, control the rotating speed of blower fan 10, needed for coupling air-conditioning, heat dissipation capacity and blower fan 10 provide heat exchange amount.When air-conditioning system works, main press transverter 30 is operated in DC-AC inverter mode, blower fan 10 rotates and dispels the heat to the outer machine of air-conditioning system, now, use the blower fan number of pole-pairs of determining ratio, match compressor 20, blower fan 10 rotating speed, if when compressor 20 raising frequency loads, heat dissipation capacity needed for air-conditioning system is large, the also corresponding raising of blower fan 10 rotating speed, and heat exchange amount also strengthens; If during compressor 20 frequency reducing off-load, needed for air-conditioning system, heat dissipation capacity is little, the also corresponding reduction of blower fan 10 rotating speed, heat exchange amount also reduces.Also can pass through size gear mechanism Dynamic controlling, make it to meet heat dissipation capacity needed for air-conditioning and provide mating of heat exchange amount with blower fan.
When air-conditioning system does not work, blower fan forms wind-driven generator in conjunction with main press transverter 30 equipment, and when the wind comes from wheel rotation, main press transverter 30 is operated in AC-DC rectification state, thus generating.Generating can be grid-connected by electric energy by grid-connected transverter 50, also can by other DC-DC equipment other equipment use to battery energy storage, supply direct current.Thus reach the object of wind energy recycling.
Due to the main press transverter 30 of compressor 20 used, large than existing fan converter power capacity, so under atrocious weather high wind speed, also can generate electricity reliably.In Double Motor Control process, basic opened loop control can be used, realize the operation of bi-motor; Also the parameter of electric machine can be used as compressor, the blower fan of the geometric ratio such as sensibility reciprocal, resistance.When VFC, because blower fan 10 power is less relative to compressor 20 power, (power of blower fan 10 is generally tens several hectowatts, compressor horsepower is generally tens kilowatts), when closed-loop adjustment, only feed back compressor 20 current parameters and do decoupling zero related algorithm, consider by blower fan current parameters when consume adds, thus make system stable operation.
In the second embodiment as shown in Figure 2, compare the first embodiment, in the second embodiment, blower fan 10 is two, and namely a main press transverter 30 drives compressor 20 and two Fans 10 simultaneously, thus realizes reducing blower fan transverter, the effect reduced costs.Meanwhile, be similar to the first embodiment, can choosing or the use of reduction gearing blower fan 10 motor number of pole-pairs, realize the rotating speed coupling of compressor 20 and blower fan 10.Also grid-connected device such as transverter 50 grade can be set correspondence, reclaim the electric energy of blower fan generating, and by blower fan electricity generation grid-connecting, thus make air-conditioning system have band wind power generation function.
In the 3rd embodiment as shown in Figure 3, compare the second embodiment, in the 3rd embodiment, blower fan 10 is multiple stage, and namely a main press transverter 30 drives a compressor 20 and multiple stage blower fan 10 simultaneously, thus realizes reducing blower fan transverter, the effect reduced costs.Other controls are similar to the first embodiment and the second embodiment, do not repeat them here.
In the 4th embodiment as shown in Figure 4, compare the first embodiment, main press transverter 30, blower fan 10 and compressor 20 are all multiple stage, and every main press transverter 30 of platform drives with a compressor 20 and a Fans 10 and is connected.Every platform main press transverter 30 control the mode of compressor 20 and blower fan 10 and the first embodiment similar, do not repeat them here.
In the 5th embodiment as shown in Figure 5, compare first to fourth embodiment, in the 5th embodiment, be also provided with auxiliary press transverter 40, the input of auxiliary press transverter 40 is connected on dc bus, and drive corresponding with compressor 20 of the output of auxiliary press transverter 40 connects.Namely, when the quantity of compressor 20 is greater than the quantity of blower fan 10, can drive separately unnecessary compressor 20 by arranging auxiliary press transverter 40.
In the 5th embodiment, comprise two compressors 20 and Fans 10, compressor 20 and blower fan 10 and driven by main press transverter 30 simultaneously, an other compressor 20 is driven separately by an auxiliary press transverter 40.Drived control mode and first embodiment of main press transverter 30 are similar, repeat no more.
In the 6th embodiment as shown in Figure 6, compare the 5th embodiment, comprise multiple compressors 20 and a Fans 10, one in multiple compressors 20 to drive with main press transverter 30 with blower fan 10 and is connected; Other compressors in multiple compressors 20 drive with auxiliary press transverter 40 one_to_one corresponding and are connected.Its control mode is similar to the 5th embodiment, does not repeat them here.
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 making every platform main press transverter drive at least one Fans and at least one compressor simultaneously, thus the setting that the air-conditioning system effectively reduced is inner identical, reduce cost; In addition, when air-conditioning system works, main press transverter is operated in inverter mode, drives compressor and blower fan work; When air-conditioning system stops, when blower fan is driven generating by wind, main press 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 (10)
1. an air-conditioning system, comprise at least one Fans (10), at least one compressor (20), it is characterized in that, described air-conditioning system also comprises dc bus and is connected at least one main press transverter (30) on described dc bus, and main press transverter (30) described in every platform drives with at least one at least one in described at least one Fans (10) and described at least one compressor (20) and is connected;
Wherein, described main press transverter (30) has the inverter mode driving described compressor (20) and 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 at least one auxiliary press transverter (40), the input of described auxiliary press transverter (40) is connected on described dc bus, and drive corresponding with described compressor (20) of output of described auxiliary press transverter (40) connects.
3. 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.
4. air-conditioning system according to claim 3, 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).
5. air-conditioning system according to claim 3, is characterized in that,
Described grid-connected transverter (50) is four-quadrant transverter.
6. air-conditioning system according to claim 2, is characterized in that,
Described main press transverter (30) and/or described auxiliary press transverter (40) are four-quadrant transverter.
7. air-conditioning system according to claim 1, is characterized in that,
Described air-conditioning system also comprises battery, and described battery is connected with described dc bus.
8. 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), and described compressor (20) and described multiple stage blower fan (10) drive with a described main press transverter (30) and be connected.
9. air-conditioning system according to claim 2, is characterized in that,
Described air-conditioning system comprises multiple compressors (20) and a Fans (10), and one in described multiple compressors (20) to drive with described main press transverter (30) with a described Fans (10) and is connected; Other compressors in described multiple compressors (20) drive with described auxiliary press transverter (40) one_to_one corresponding and are connected.
10. air-conditioning system according to claim 1, is characterized in that,
Described air-conditioning system comprises multiple compressors (20) and multiple stage blower fan (10), and main press transverter (30) described in every platform drives with a described compressor (20) and a described blower fan (10) and is connected.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510039044.XA CN104654643B (en) | 2015-01-26 | 2015-01-26 | Air-conditioning system |
| PCT/CN2015/087845 WO2016119450A1 (en) | 2015-01-26 | 2015-08-21 | Air conditioner system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510039044.XA CN104654643B (en) | 2015-01-26 | 2015-01-26 | Air-conditioning system |
Publications (2)
| Publication Number | Publication Date |
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| CN104654643A true CN104654643A (en) | 2015-05-27 |
| CN104654643B CN104654643B (en) | 2018-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510039044.XA Active CN104654643B (en) | 2015-01-26 | 2015-01-26 | Air-conditioning system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104654643B (en) |
| WO (1) | WO2016119450A1 (en) |
Cited By (2)
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| WO2016119450A1 (en) * | 2015-01-26 | 2016-08-04 | 珠海格力电器股份有限公司 | Air conditioner system |
| WO2020010781A1 (en) * | 2018-07-12 | 2020-01-16 | 青岛海尔空调电子有限公司 | Wind power device, air conditioner, control method and computer-readable storage medium |
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Also Published As
| Publication number | Publication date |
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| WO2016119450A1 (en) | 2016-08-04 |
| CN104654643B (en) | 2018-12-25 |
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