CN104654643B - Air-conditioning system - Google Patents
Air-conditioning system Download PDFInfo
- Publication number
- CN104654643B CN104654643B CN201510039044.XA CN201510039044A CN104654643B CN 104654643 B CN104654643 B CN 104654643B CN 201510039044 A CN201510039044 A CN 201510039044A CN 104654643 B CN104654643 B CN 104654643B
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- China
- Prior art keywords
- air
- inverter
- conditioning system
- compressor
- blower
- 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
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- 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
Abstract
The present invention provides a kind of air-conditioning systems, including an at least Fans, at least a compressor, air-conditioning system further includes DC bus and at least main press inverter that is connected on DC bus, and at least one in every main press inverter and an at least Fans and at least one in an at least compressor are drivingly connected；Wherein, main press inverter has the inverter mode of driving compressor and blower and the rectification state of recycling wind turbine power generation electric energy.By the present invention in that every main press inverter drives an at least Fans and an at least compressor simultaneously, so that identical setting inside the air-conditioning system effectively reduced, reduces costs；In addition, main press inverter work drives compressor and blower work in inverter mode in air-conditioning system work；When air-conditioning system stops, in the case where blower is driven by wind and generates electricity, main press inverter work is in rectification state, to recycle electric energy.
Description
Technical field
The present invention relates to field of air conditioning, in particular to a kind of air-conditioning system.
Background technique
Creating Green product becomes the demand that development is based oneself upon by enterprise, and in field of air conditioning, and cater to " green " and gradually walk
To the frequency conversion epoch, currently, due to firm, small in size, the high air gap flux density of permanent magnetic synchronous motor structure, high power, high rotation
Many advantages, such as ratio of inertias, is widely used on compressor/blower, in the prior art, due to compressor and rotation speed of fan, function
The difference of rate and load characteristic, so need using different current transformers, different drive control devices, fan radiating power it is big
It is small also to need in addition to program matching.The method used in the prior art becomes independent control although reducing the intersection of two loads
Part processed so that it will not all shut down because of a fault-signal, but increases identical equipment in air-conditioning system, improves cost；
Simultaneously when air-conditioning system is left unused, wind-force makes energy caused by blower rotation not carry out effective recycling, causes can be used
The waste of resource.
Summary of the invention
The present invention is intended to provide a kind of air-conditioning system that can be more energy efficient.
The present invention provides a kind of air-conditioning systems, including an at least Fans, an at least compressor, air-conditioning system are also wrapped
At least main press inverter for including DC bus and being connected on DC bus, every main press inverter at least one
At least one in blower and the drive connection of at least one in an at least compressor；Wherein, main press inverter, which has, drives
The rectification state of the inverter mode and recycling wind turbine power generation electric energy of dynamic compressor and blower.
Further, air-conditioning system further includes an at least auxiliary press inverter, the input terminal connection of auxiliary press inverter
On DC bus, the output end of auxiliary press inverter is corresponding with compressor to be drivingly connected.
Further, air-conditioning system further includes grid-connected inverter, and the first end of grid-connected inverter is connect with power grid, grid-connected to change
The second end of stream device is connect with DC bus.
Further, air-conditioning system further includes isolating transformer, isolating transformer be connected on power grid and grid-connected inverter it
Between.
Further, grid-connected inverter is four-quadrant inverter.
Further, main press inverter and/or auxiliary press inverter are four-quadrant inverter.
Further, air-conditioning system further includes battery, and battery is connect with DC bus.
Further, air-conditioning system includes a compressor and more Fans, compressor and more Fans and a main pressure
Machine inverter is drivingly connected.
Further, air-conditioning system includes multiple compressors and a Fans, one in multiple compressors and a typhoon
Machine and main press inverter are drivingly connected；Other compressors and auxiliary press inverter in multiple compressors correspond driving and connect
It connects.
Further, air-conditioning system includes multiple compressors and more Fans, and every main press inverter and one compress
Machine and a Fans are drivingly connected.
Air-conditioning system according to the present invention, by making every main press inverter while driving at least Fans and at least
One compressor, so that identical setting inside the air-conditioning system effectively reduced, reduces costs；In addition, in air-conditioning system
When system work, main press inverter work drives compressor and blower work in inverter mode；When air-conditioning system stops,
In the case that blower is by wind driving power generation, main press inverter work is in rectification state, to recycle electric energy.I.e. air-conditioning system is not
When work, blower becomes a generator, so that air-conditioning system is more energy efficient.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the first embodiment schematic illustration of air-conditioning system according to the present invention；
Fig. 2 is the second embodiment schematic illustration of air-conditioning system according to the present invention；
Fig. 3 is the 3rd embodiment schematic illustration of air-conditioning system according to the present invention；
Fig. 4 is the fourth embodiment schematic illustration of air-conditioning system according to the present invention；
Fig. 5 is the 5th embodiment schematic illustration of air-conditioning system according to the present invention；
Fig. 6 is the sixth embodiment schematic illustration of air-conditioning system according to the present invention；
Description of symbols:
10, blower；20, compressor；30, main press inverter；40, auxiliary press inverter；50, grid-connected inverter；60, electric
Net；70, isolating transformer.
Specific embodiment
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1, air-conditioning system first embodiment according to the present invention, including a Fans 10, a compressor 20,
Air-conditioning system further includes DC bus and a main press inverter 30 being connected on DC bus, main press inverter 30 with
Blower 10 and compressor 20 are drivingly connected；Wherein, main press inverter 30 has the inversion shape of driving compressor 20 and blower 10
The rectification state of state and the recycling power generation electric energy of blower 10.
In the first embodiment, by making main press inverter 30 while driving blower 10 and compressor 20, compared to existing
Technology reduces a Fans inverter and corresponding driving mechanism, reduces costs；In addition, in air-conditioning system work, it is main
The work of press inverter 30 drives compressor 20 and blower 10 to work in inverter mode；When air-conditioning system stops, in blower 10
In the case where by wind driving power generation, the main work of press inverter 30 is in rectification state, to recycle electric energy.That is air-conditioning system not work
When making, blower becomes a generator, so that air-conditioning system is more energy efficient.
Specifically, since main press inverter 30 drives blower 10 and compressor 20 simultaneously, so as to lifting frequency simultaneously,
Acting matching.By taking air-conditioning work is under refrigerating state as an example, during raising frequency, blower 10 synchronous can increase with compressor 20 and turn
Speed, compared with meet refrigerating capacity it is big when, compressor work is big, condenser heat exchange amount is big, while rotation speed of fan is high, heat dissipation capacity is big；Phase
Ying Di, in frequency reducing, the reduction revolving speed synchronous with 20 energy of compressor of blower 10 relatively meets refrigerating capacity hour, compressor work is small, cold
Condenser heat exchange amount is small, while rotation speed of fan is low, heat dissipation capacity is small.
When air-conditioning system is left unused, blower 10 is rotated if any wind, is then carried out using the shared main press inverter 30
Reversed rectification obtains direct current, and in the presence of a harsh environment, since main 30 power grade of press inverter is high, that causes that power generation damages can
Energy property is small.
Preferably, battery, battery and main press inverter 30 (or DC bus) can also be arranged in air-conditioning system
Connection, in 10 power generation process of blower, by power storage, when blower works normally, battery provides a part of electric energy air feed
Machine 10 works.
Further, air-conditioning system can also include grid-connected inverter 50, the first end and power grid 60 of grid-connected inverter 50
Connection, the second end of grid-connected inverter 50 are connect with DC bus.That is the power generation of blower 10 can be by the equipment such as battery
Storage can also carry out other loads of grid-connected supply power grid by grid-connected inverter 50.Generally, grid-connected inverter 50 and main press
Inverter 30 is four-quadrant inverter.
Preferably, air-conditioning system further includes isolating transformer 70, and isolating transformer 70 is connected on power grid 60 and the grid-connected change of current
Between device 50, series connection isolating transformer 70 can be improved the safety of air-conditioning system, can also prevent from interfering.
Illustrate the working principle of air-conditioning system of the invention in conjunction with Fig. 1.The air-conditioning system of first embodiment is relatively common
Convertible frequency air-conditioner cancels fan converter and its drive control device, blower 10 is directly connected on main press inverter 30, by right
The selection of 10 motor number of pole-pairs of blower or the use of reduction gearing, control blower 10 revolving speed, match air-conditioning needed for heat dissipation capacity with
Blower 10 provides heat exchange amount.In air-conditioning system work, the work of main press inverter 30 is in DC-AC inverter mode, and 10 turns of blower
It is dynamic to radiate to machine outside air-conditioning system, at this point, compressor 20,10 revolving speed of blower are matched using the blower number of pole-pairs for determining ratio, if
When 20 raising frequency of compressor loads, heat dissipation capacity needed for air-conditioning system is big, and 10 revolving speed of blower also correspondinglys increase, and heat exchange amount also increases；If
When 20 frequency reducing off-load of compressor, heat dissipation capacity needed for air-conditioning system is small, and 10 revolving speed of blower also accordingly reduces, and heat exchange amount is also reduced.?
It can be controlled by size gear mechanism dynamic, be allowed to heat dissipation capacity needed for meeting air-conditioning and blower provides the matching of heat exchange amount.
When air-conditioning system does not work, blower combines main 30 equipment of press inverter to form wind-driven generator, is carrying out fan blade
When wheel rotation, the main work of press inverter 30 is in AC-DC rectification state, to generate electricity.Power generation can pass through grid-connected inverter 50
Electric energy is grid-connected, it can also be used by other equipment of other DC-DC equipment to battery energy storage, supply direct current.To reach
The purpose that wind energy recycles.
It is big compared with existing fan converter power capacity due to the main press inverter 30 of the compressor 20 of borrow, institute
Also can reliably generate electricity under atrocious weather high wind speed.During Double Motor Control, basic opened loop control can be used,
Realize the operation of bi-motor；Also compressor, the blower of the parameter of electric machine such as sensibility reciprocal, resistance value etc. ratio can be used.In frequency control,
Since 10 power of blower is smaller with respect to 20 power of compressor, (power of blower 10 is generally tens several hectowatts, compressor horsepower
Generally tens kilowatts), when closed loop is adjusted, only feeds back 20 current parameters of compressor and do decoupling related algorithm, consider blower
Current parameters are added when consume, to make system stable operation.
In second embodiment as shown in Figure 2, first embodiment is compared, in second embodiment, blower 10 is two, i.e., one
The main press inverter 30 of platform drives a compressor 20 and two Fans 10 simultaneously, reduces blower inverter to realize, reduces
The effect of cost.Meanwhile it being similar to first embodiment, it can be to 10 selection of motor number of pole-pairs of blower or making for reduction gearing
With the revolving speed matching of realization compressor 20 and blower 10.The devices such as grid-connected inverter 50, recycling blower hair can also be correspondingly arranged
The electric energy of electricity, and wind turbine power generation is grid-connected, so that air-conditioning system has band wind power generation function.
In 3rd embodiment as shown in Figure 3, second embodiment is compared, in 3rd embodiment, blower 10 is more, i.e., one
The main press inverter 30 of platform drives a compressor 20 and more Fans 10 simultaneously, reduces blower inverter to realize, reduces
The effect of cost.Other controls are similar to first embodiment and second embodiment, and details are not described herein.
In fourth embodiment as shown in Figure 4, first embodiment, main press inverter 30, blower 10 and compressor are compared
20 be all more, and every main press inverter 30 and a compressor 20 and a Fans 10 are drivingly connected.Every main pressure
Machine inverter 30 controls compressor 20 and the mode of blower 10 is similar with first embodiment, and details are not described herein.
In the 5th embodiment as shown in Figure 5, it is also provided in the 5th embodiment compared to first to fourth embodiment
The input terminal of auxiliary press inverter 40, auxiliary press inverter 40 is connected on DC bus, the output end of auxiliary press inverter 40
It is corresponding with compressor 20 to be drivingly connected.It, can be by the way that auxiliary pressure be arranged i.e. when the quantity of compressor 20 is greater than the quantity of blower 10
Extra compressor 20 is operated alone in machine inverter 40.
In the 5th embodiment, including two compressors 20 and a Fans 10, a compressor 20 and blower 10 are by leading
Press inverter 30 drives simultaneously, and in addition a compressor 20 is operated alone by an auxiliary press inverter 40.The main press change of current
The drive control mode of device 30 is similar with first embodiment, repeats no more.
In sixth embodiment as shown in FIG. 6, the 5th embodiment, including multiple compressors 20 and a Fans 10 are compared,
One in multiple compressors 20 and blower 10 and main press inverter 30 are drivingly connected；Other compressions in multiple compressors 20
Machine and auxiliary press inverter 40, which correspond, to be drivingly connected.It is controlled similarly to the 5th embodiment, and details are not described herein.
It can be seen from the above description that the above embodiments of the present invention realized the following chievements:
Air-conditioning system according to the present invention, by making every main press inverter while driving at least Fans and at least
One compressor, so that identical setting inside the air-conditioning system effectively reduced, reduces costs；In addition, in air-conditioning system
When system work, main press inverter work drives compressor and blower work in inverter mode；When air-conditioning system stops,
In the case that blower is by wind driving power generation, main press inverter work is in rectification state, to recycle electric energy.I.e. air-conditioning system is not
When work, blower becomes a generator, so that air-conditioning system is more energy efficient.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of air-conditioning system, including an at least Fans (10), an at least compressor (20), which is characterized in that the sky
Adjusting system further includes DC bus and at least main press inverter (30) that is connected on the DC bus, described in every
In at least one in main press inverter (30) and an at least Fans (10) and an at least compressor (20)
At least one drive connection；
Wherein, the main press inverter (30) have drive the inverter mode of the compressor (20) and the blower (10) with
Recycle the rectification state of the blower (10) power generation electric energy；
The blower (10) is directly connected on the main press inverter (30), using the blower number of pole-pairs for determining ratio, described in matching
Compressor (20) and the blower (10) revolving speed provide heat exchange amount to match heat dissipation capacity needed for air-conditioning and blower (10).
2. air-conditioning system according to claim 1, which is characterized in that
The air-conditioning system further includes an at least auxiliary press inverter (40), and the input terminal of the auxiliary press inverter (40) connects
It connects on the DC bus, the output end of the auxiliary press inverter (40) is corresponding with the compressor (20) to be drivingly connected.
3. air-conditioning system according to claim 1, which is characterized in that
The air-conditioning system further includes grid-connected inverter (50), and the first end of the grid-connected inverter (50) and power grid (60) are even
It connects, the second end of the grid-connected inverter (50) is connect with the DC bus.
4. air-conditioning system according to claim 3, which is characterized in that
The air-conditioning system further includes isolating transformer (70), and the isolating transformer (70) is connected on the power grid (60) and institute
It states between grid-connected inverter (50).
5. air-conditioning system according to claim 3, which is characterized in that
The grid-connected inverter (50) is four-quadrant inverter.
6. air-conditioning system according to claim 2, which is characterized in that
The main press inverter (30) and/or the auxiliary press inverter (40) are four-quadrant inverter.
7. air-conditioning system according to claim 1, which is characterized in that
The air-conditioning system further includes battery, and the battery is connect with the DC bus.
8. air-conditioning system according to claim 1, which is characterized in that
The air-conditioning system includes a compressor (20) and more Fans (10), the compressor (20) and more Fans
(10) it is drivingly connected with a main press inverter (30).
9. air-conditioning system according to claim 2, which is characterized in that
The air-conditioning system includes multiple compressors (20) and a Fans (10), one in the multiple compressors (20) and
One Fans (10) and the main press inverter (30) are drivingly connected；Other compressions in the multiple compressors (20)
Machine and the auxiliary press inverter (40) correspond and are drivingly connected.
10. air-conditioning system according to claim 1, which is characterized in that
The air-conditioning system includes multiple compressors (20) and more Fans (10), every main press inverter (30) and one
Compressor described in platform (20) and a blower (10) are drivingly 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 |
|---|---|
| CN104654643A CN104654643A (en) | 2015-05-27 |
| CN104654643B true 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) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104654643B (en) * | 2015-01-26 | 2018-12-25 | 珠海格力电器股份有限公司 | Air-conditioning system |
| CN110779170A (en) * | 2018-07-12 | 2020-02-11 | 青岛海尔空调电子有限公司 | Wind power device, air conditioner, control method and computer readable storage medium |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000320866A (en) * | 1999-05-13 | 2000-11-24 | Mitsubishi Heavy Ind Ltd | Air conditioner |
| JP2002340452A (en) * | 2001-05-16 | 2002-11-27 | Hitachi Ltd | Air conditioner |
| JP2003264385A (en) * | 2002-03-08 | 2003-09-19 | Ntt Power & Building Facilities Inc | Electronic apparatus accommodating case |
| JP2003274694A (en) * | 2002-03-14 | 2003-09-26 | Mitsubishi Electric Corp | Controller and refrigeration air conditioner |
| CN201273642Y (en) * | 2008-09-11 | 2009-07-15 | 广东美的电器股份有限公司 | Outdoor machine for variable frequency refrigeration heat pump system |
| CN101380905B (en) * | 2008-10-23 | 2011-10-12 | 余洪山 | Vehicle power generation system based on wind energy and fuel hybrid power and control method thereof |
| CN201731565U (en) * | 2009-04-08 | 2011-02-02 | 王正铉 | Novel energy-saving air conditioner capable of generating power utilizing energy of air discharged from outdoor unit of air conditioner |
| US9543884B2 (en) * | 2009-06-10 | 2017-01-10 | Lg Electronics Inc. | Motor control device of air conditioner using distributed power supply |
| CN101969324B (en) * | 2009-07-27 | 2013-03-20 | 中国移动通信集团公司 | Single relay transmission method, device and system |
| JP2011099597A (en) * | 2009-11-05 | 2011-05-19 | Hitachi Appliances Inc | Air conditioner |
| JP2011196584A (en) * | 2010-03-18 | 2011-10-06 | Fujitsu General Ltd | Air conditioner |
| CN102045025B (en) * | 2010-11-18 | 2012-09-26 | 南车资阳机车有限公司 | Control system for cooling fan of traction motor of locomotive |
| CN201890228U (en) * | 2010-11-18 | 2011-07-06 | 南车资阳机车有限公司 | Diesel generator and storage battery hybrid power alternating-current drive locomotive control system |
| CN102390272A (en) * | 2011-09-30 | 2012-03-28 | 广东工业大学 | Motor drive and power return two-way power source of electric automobile |
| CN103438504A (en) * | 2013-08-21 | 2013-12-11 | 苏州张扬能源科技有限公司 | Energy saving control system for air conditioner |
| CN103743069B (en) * | 2014-01-20 | 2016-06-01 | 广东美的制冷设备有限公司 | A kind of new energy variable-frequency air conditioner and control method thereof |
| CN204612217U (en) * | 2015-01-26 | 2015-09-02 | 珠海格力电器股份有限公司 | Air-conditioning system |
| CN104654643B (en) * | 2015-01-26 | 2018-12-25 | 珠海格力电器股份有限公司 | Air-conditioning system |
-
2015
- 2015-01-26 CN CN201510039044.XA patent/CN104654643B/en active Active
- 2015-08-21 WO PCT/CN2015/087845 patent/WO2016119450A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN104654643A (en) | 2015-05-27 |
| WO2016119450A1 (en) | 2016-08-04 |
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