CN2752657Y - Multi-compression engine paralleling variable frequency multi-conjoined central air conditioner - Google Patents
Multi-compression engine paralleling variable frequency multi-conjoined central air conditioner Download PDFInfo
- Publication number
- CN2752657Y CN2752657Y CN 200420073688 CN200420073688U CN2752657Y CN 2752657 Y CN2752657 Y CN 2752657Y CN 200420073688 CN200420073688 CN 200420073688 CN 200420073688 U CN200420073688 U CN 200420073688U CN 2752657 Y CN2752657 Y CN 2752657Y
- Authority
- CN
- China
- Prior art keywords
- parallel
- indoor set
- flow distribution
- controller
- air
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
The utility model relates to a multi-compressor paralleling variable frequency multi-conjoined central air conditioner which belongs to the technology of an air conditioner. The air conditioner is composed of an outdoor machine, a refrigerant flow distributor, multiple indoor machines, a connecting pipe, a connecting wire, connecting pipes, connecting wires and remote control devices of each indoor machine, wherein the connecting pipe and the connecting wire are arranged between the outdoor machine and the refrigerant flow distributor, and the connecting pipes and the connecting wires are arranged between the refrigerant flow distributor and each indoor machine. One variable frequency compressor is connected with multiple fixed-frequency compressors in parallel in the outdoor machine; air suction pipes of all compressors are connected in parallel on an air suction main pipe and are connected with an air-liquid segregator then; exhaust pipes of all compressors are connected in parallel on an exhaust main pipe and are connected with an oil separator then; all electronic expansion valves are concentrated and connected in parallel in the refrigerant flow distributor. The capacity regulation of a complete machine of the utility model can be regulated within a range of 10% to 110%, the efficiency ratio of the complete machine in the state of low load can be improved, and the utility model has a good energy-saving effect; simultaneously, the product reliability can be improved, the design cost of a product can be reduced, and the utility model can be used for a variable frequency multi-conjoined central air conditioner.
Description
Technical field
The utility model belongs to the air-conditioner technical field, more specifically to the improvement of connected body air-conditioner.
Background technology
At present, connected body air-conditioner has two kinds of forms, and a kind of is that the off-premises station refrigeration system adopts a frequency-changeable compressor, and another kind is that the off-premises station refrigeration system adopts a frequency-changeable compressor and an invariable frequency compressor, and with two compressor parallel connections.But all there is following problem in these two kinds of form connected body air-conditioners:
(1) the capacity regulating scope is little.At present, the frequency range of frequency-changeable compressor is 30Hz～120Hz, and the capacity regulating scope is 46%～100%, and minimum indoor set range of capacity commonly used is 1800W～2200W.For big capacity air-conditioner, we can say that complete machine capacity regulating scope can not satisfy the requirement of minimum indoor set capacity commonly used, often adopt at present the way of bypass unloading to solve this problem, and exist in the low problem of complete machine Energy Efficiency Ratio under the low load condition, caused energy waste.Especially for 10HP or the above connected body of 10HP air-conditioner, this problem is more obvious.
(2) design cost height.For big capacity air-conditioner, often need powerful frequency-changeable compressor.At present, powerful frequency-changeable compressor kind seldom, the price height, while is also very high with the components and parts prices such as power model that the high-power frequency conversion compressor is complementary, therefore, existing two kinds of form connected body air-conditioner design costs are very high, limited the extensive use of this series products.
The purpose of this utility model just is to overcome above-mentioned shortcoming and defect, solves the little and high problem of design cost of capacity regulating scope.Like this, increase complete machine capacity regulating scope on the one hand, can reach 10%～110%, improved complete machine Energy Efficiency Ratio under low load condition, reached purpose of energy saving; Reduced the design cost of product on the other hand.
Summary of the invention
In order to achieve the above object, the utility model is by connecting line between off-premises station, flow distribution of refrigerant device, many indoor sets, off-premises station and the flow distribution of refrigerant devices and connecting line and the connecting line between connecting line, flow distribution of refrigerant device and each indoor set, and the remote control of each indoor set constitutes.It is characterized in that: the off-premises station refrigeration system adopts a frequency-changeable compressor and Duo Tai invariable frequency compressor, and with the multiple compressors parallel connection, the air intake duct of all compressors is connected in parallel on the air suction main and links to each other with gas-liquid separator, and the blast pipe of all compressors is connected in parallel on the exhaust main and links to each other with oil eliminator; Said flow distribution of refrigerant device is made of a plurality of electric expansion valves, a plurality of filter, a controller, and each electric expansion valve is parallel with one another; The signal that machine controller and outdoor controller send in the flow distribution of refrigerant device controller receiving chamber, flow distribution of refrigerant device controller is according to the signal that receives simultaneously, indoor set controller and outdoor controller are sent command signal, and each electric expansion valve is controlled.
The utility model has increased complete machine capacity regulating scope with a frequency-changeable compressor and the parallel connection of Duo Tai invariable frequency compressor, improves complete machine Energy Efficiency Ratio under low load condition, reaches purpose of energy saving.Because the air intake duct of all compressors is connected in parallel on the air suction main, each compressor air suction cavity pressure is close, and each compressor pasta tends to balance, and has guaranteed the required lubricants capacity of the normal operation of each compressor, has improved the product reliability of operation.
In the flow distribution of refrigerant device, with the electric expansion valve central combination of each indoor set, no electric expansion valve in each indoor set, avoid the loud phenomenon of indoor set cold-producing medium throttling air-flow, simplified the structure of indoor set, reduced refrigeration pipe, improve the result of use of indoor set, reduce mounting cost.Flow distribution of refrigerant device controller is regulated control according to the signal that receives to each electronic expansion valve opening, the refrigerant flow by each indoor set is distributed, with demand and the machine system reliability of operation that guarantees each indoor set.
The utility model complete machine capacity regulating wide ranges can be regulated in 10%～110% scope, improves complete machine Energy Efficiency Ratio under low load condition, has good energy-saving effect, reduces the complete machine design cost simultaneously.It can be widely used in the connected body air-conditioner.
Description of drawings
Accompanying drawing 1 is that machine system of the present utility model constitutes schematic diagram;
Accompanying drawing 2 is that refrigeration system of the present utility model constitutes schematic diagram;
Accompanying drawing 3 is each part correlation schematic diagram of control system of the present utility model.
Shown in the accompanying drawing 1, connected body air-conditioner of the present utility model is by connecting line between off-premises station, flow distribution of refrigerant device, many indoor sets, off-premises station and the flow distribution of refrigerant devices and connecting line and the connecting line between connecting line, flow distribution of refrigerant device and each indoor set, and the remote control of each indoor set constitutes.
Shown in the accompanying drawing 2, the refrigeration system that the utility model adopts mainly is made of invariable frequency compressor 1, oil balance tube 2, frequency-changeable compressor 3, check valve 4, oil return capillary 5, oil eliminator 6, reversal valve 7, condenser 8, outdoor fan 9, electric expansion valve 10, liquid pipe stop valve 11, filter 12, capillary 13, electric expansion valve 14, filter 15, indoor fan 16, evaporimeter 17, tracheae stop valve 18, gas-liquid separator 19.
Shown in the accompanying drawing 3, the utility model control system mainly is made of outdoor controller, flow distribution of refrigerant device controller, indoor set controller, remote control.
The specific embodiment
Embodiment one: connected body air-conditioner of the present utility model is by connecting line between off-premises station, flow distribution of refrigerant device, many indoor sets, off-premises station and the flow distribution of refrigerant devices and connecting line and the connecting line between connecting line, flow distribution of refrigerant device and each indoor set, and the remote control of each indoor set constitutes.
The refrigeration system that present embodiment adopts, off-premises station is interior with a 3HP frequency-changeable compressor and the parallel connection of three 3HP invariable frequency compressors, the air intake duct of all compressors is connected in parallel on the air suction main and links to each other with gas-liquid separator, and the blast pipe of all compressors is connected in parallel on the exhaust main and links to each other with oil eliminator; In the flow distribution of refrigerant device, with the electric expansion valve central combination of each indoor set, each electric expansion valve is parallel with one another, no electric expansion valve in each indoor set.
During the control system operation, the indoor set controller receives remote control, the temperature sensor mounted signal of indoor set, and outdoor controller receives the temperature sensor mounted signal of off-premises station; The signal that machine controller and outdoor controller transmit in the flow distribution of refrigerant device controller receiving chamber; Flow distribution of refrigerant device controller is according to the signal that receives, to indoor set controller, outdoor controller, electric expansion valve sending controling instruction signal; The indoor set controller is to indoor fan sending controling instruction signal, and outdoor controller is to outdoor fan, frequency-changeable compressor, invariable frequency compressor, electric expansion valve sending controling instruction signal.
The off-premises station capacity of this machine is 28000W, and the capacity regulating scope is 10～110%.Indoor set aggregate demand capacity is 10 of off-premises station total capacity～30% o'clock, the frequency-changeable compressor operation, and invariable frequency compressor stops; Indoor set aggregate demand capacity is 30 of off-premises station total capacity～55% o'clock, the frequency-changeable compressor operation, and an invariable frequency compressor operation, all the other two invariable frequency compressors stop; Indoor set aggregate demand capacity is 55 of off-premises station total capacity～80% o'clock, the frequency-changeable compressor operation, and two invariable frequency compressors operations, all the other invariable frequency compressors stop; Indoor set aggregate demand capacity is 80 of off-premises station total capacity～110% o'clock, frequency-changeable compressor operation, three invariable frequency compressors operations.
Claims (3)
1. multi-compressor connected body in parallel air-conditioner, this air-conditioner is by off-premises station, the flow distribution of refrigerant device, many indoor sets, connecting line and connecting line between off-premises station and the flow distribution of refrigerant device, connecting line and connecting line between flow distribution of refrigerant device and each indoor set, and the remote control of each indoor set constitutes, it is characterized in that: off-premises station is interior with a frequency-changeable compressor and the parallel connection of Duo Tai invariable frequency compressor, the air intake duct of all compressors is connected in parallel on the air suction main and links to each other with gas-liquid separator, and the blast pipe of all compressors is connected in parallel on the exhaust main and links to each other with oil eliminator.
2. connected body air-conditioner according to claim 1, it is characterized in that the flow distribution of refrigerant device that adopts is made of a plurality of electric expansion valves, a plurality of filter, a controller, each electric expansion valve is parallel with one another, no electric expansion valve in each indoor set; The signal that machine controller and outdoor controller transmit in the flow distribution of refrigerant device controller receiving chamber, flow distribution of refrigerant device controller is according to the signal that receives simultaneously, indoor set controller and outdoor controller are sent command signal, and pass through each electronic Expansion Valve Control, reasonable distribution flows through the refrigerant flow of each indoor set.
3. connected body air-conditioner according to claim 1 and 2 is characterized in that the indoor set that adopts is at least a form in wall-hanging, duct type, ceiling mounting type, the embedded or console mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420073688 CN2752657Y (en) | 2004-07-18 | 2004-07-18 | Multi-compression engine paralleling variable frequency multi-conjoined central air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420073688 CN2752657Y (en) | 2004-07-18 | 2004-07-18 | Multi-compression engine paralleling variable frequency multi-conjoined central air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2752657Y true CN2752657Y (en) | 2006-01-18 |
Family
ID=35914067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420073688 Expired - Fee Related CN2752657Y (en) | 2004-07-18 | 2004-07-18 | Multi-compression engine paralleling variable frequency multi-conjoined central air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2752657Y (en) |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101392968B (en) * | 2007-09-20 | 2011-01-05 | 无锡同方人工环境有限公司 | Large-capacity multiple air conditioner/heat pump units |
| CN101957041A (en) * | 2010-08-23 | 2011-01-26 | 张铭联 | Safe and energy-saving operation method for central air conditioner |
| CN102080894A (en) * | 2011-01-24 | 2011-06-01 | 李静 | Electric air conditioning device for bus |
| CN101619874B (en) * | 2009-07-08 | 2012-06-13 | 海信（山东）空调有限公司 | Dual-mode air conditioning and dual-mode conversion method of air conditioning |
| CN101691939B (en) * | 2009-09-03 | 2012-07-18 | 海信科龙电器股份有限公司 | Air conditioner capable of realizing intelligent dual-mode switching |
| CN101614432B (en) * | 2008-06-24 | 2012-07-25 | 海尔集团公司 | Method and system for controlling frequency switch of multi-connected air conditioner |
| CN103277949A (en) * | 2013-05-24 | 2013-09-04 | 四川长虹空调有限公司 | Shunting control device and method, multi-online air conditioning system and air conditioner |
| CN103851731A (en) * | 2013-06-08 | 2014-06-11 | 李隆 | Low-energy-consumption heat pump air-conditioning equipment and method |
| CN103868280A (en) * | 2013-06-08 | 2014-06-18 | 李隆 | Multifunctional heat pump air conditioning system and method thereof |
| CN103868279A (en) * | 2013-06-08 | 2014-06-18 | 李隆 | Full-function heat pump air conditioning system and method thereof |
| CN104074727A (en) * | 2014-06-27 | 2014-10-01 | 柳州富达机械有限公司 | Air compressor unit and control method thereof |
| CN104566773A (en) * | 2013-10-28 | 2015-04-29 | 珠海格力电器股份有限公司 | Volume control method and volume control system for multi-connected air conditioner |
| CN106247702A (en) * | 2016-09-12 | 2016-12-21 | 珠海格力电器股份有限公司 | Branching box and multiple on-line system |
| WO2017185713A1 (en) * | 2016-04-25 | 2017-11-02 | 广东美的暖通设备有限公司 | Outdoor unit for multi-online unit system, and multi-online unit |
| CN107461953A (en) * | 2017-09-22 | 2017-12-12 | 江苏克力空调有限公司 | Low dew point direct-expansion type multiple on-line system |
| CN107726567A (en) * | 2017-10-25 | 2018-02-23 | 广东美的暖通设备有限公司 | The control method and system of new blower fan, new blower fan and multi-online air-conditioning system |
| CN108700359A (en) * | 2016-02-19 | 2018-10-23 | 艾默生环境优化技术有限公司 | Capacity modulation system for compressor for multi-compressor |
| WO2019242307A1 (en) * | 2018-06-21 | 2019-12-26 | 青岛海尔空调器有限总公司 | Air conditioning system, method and device, and computer-readable storage medium |
| CN114562451A (en) * | 2020-11-27 | 2022-05-31 | 中国石油天然气集团有限公司 | Method and device for adjusting load of reciprocating compressor unit, terminal and medium |
-
2004
- 2004-07-18 CN CN 200420073688 patent/CN2752657Y/en not_active Expired - Fee Related
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101392968B (en) * | 2007-09-20 | 2011-01-05 | 无锡同方人工环境有限公司 | Large-capacity multiple air conditioner/heat pump units |
| CN101614432B (en) * | 2008-06-24 | 2012-07-25 | 海尔集团公司 | Method and system for controlling frequency switch of multi-connected air conditioner |
| CN101619874B (en) * | 2009-07-08 | 2012-06-13 | 海信（山东）空调有限公司 | Dual-mode air conditioning and dual-mode conversion method of air conditioning |
| CN101691939B (en) * | 2009-09-03 | 2012-07-18 | 海信科龙电器股份有限公司 | Air conditioner capable of realizing intelligent dual-mode switching |
| CN101957041A (en) * | 2010-08-23 | 2011-01-26 | 张铭联 | Safe and energy-saving operation method for central air conditioner |
| CN102080894A (en) * | 2011-01-24 | 2011-06-01 | 李静 | Electric air conditioning device for bus |
| CN103277949A (en) * | 2013-05-24 | 2013-09-04 | 四川长虹空调有限公司 | Shunting control device and method, multi-online air conditioning system and air conditioner |
| CN103851731B (en) * | 2013-06-08 | 2017-04-12 | 李隆 | Low-energy-consumption heat pump air-conditioning equipment and method |
| CN103868280A (en) * | 2013-06-08 | 2014-06-18 | 李隆 | Multifunctional heat pump air conditioning system and method thereof |
| CN103868279A (en) * | 2013-06-08 | 2014-06-18 | 李隆 | Full-function heat pump air conditioning system and method thereof |
| CN103851731A (en) * | 2013-06-08 | 2014-06-11 | 李隆 | Low-energy-consumption heat pump air-conditioning equipment and method |
| CN104566773A (en) * | 2013-10-28 | 2015-04-29 | 珠海格力电器股份有限公司 | Volume control method and volume control system for multi-connected air conditioner |
| CN104566773B (en) * | 2013-10-28 | 2017-05-31 | 珠海格力电器股份有限公司 | The capacity control method and control system of combined air conditioners |
| CN104074727A (en) * | 2014-06-27 | 2014-10-01 | 柳州富达机械有限公司 | Air compressor unit and control method thereof |
| CN108700359A (en) * | 2016-02-19 | 2018-10-23 | 艾默生环境优化技术有限公司 | Capacity modulation system for compressor for multi-compressor |
| CN108700359B (en) * | 2016-02-19 | 2021-01-01 | 艾默生环境优化技术有限公司 | Compressor capacity modulation system for multiple compressors |
| WO2017185713A1 (en) * | 2016-04-25 | 2017-11-02 | 广东美的暖通设备有限公司 | Outdoor unit for multi-online unit system, and multi-online unit |
| CN106247702A (en) * | 2016-09-12 | 2016-12-21 | 珠海格力电器股份有限公司 | Branching box and multiple on-line system |
| CN106247702B (en) * | 2016-09-12 | 2018-08-10 | 珠海格力电器股份有限公司 | Branching box and multi-line system |
| CN107461953A (en) * | 2017-09-22 | 2017-12-12 | 江苏克力空调有限公司 | Low dew point direct-expansion type multiple on-line system |
| CN107726567A (en) * | 2017-10-25 | 2018-02-23 | 广东美的暖通设备有限公司 | The control method and system of new blower fan, new blower fan and multi-online air-conditioning system |
| CN107726567B (en) * | 2017-10-25 | 2020-10-30 | 广东美的暖通设备有限公司 | Control method and system of fresh air machine, fresh air machine and multi-split air conditioning system |
| WO2019242307A1 (en) * | 2018-06-21 | 2019-12-26 | 青岛海尔空调器有限总公司 | Air conditioning system, method and device, and computer-readable storage medium |
| CN114562451A (en) * | 2020-11-27 | 2022-05-31 | 中国石油天然气集团有限公司 | Method and device for adjusting load of reciprocating compressor unit, terminal and medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2752657Y (en) | Multi-compression engine paralleling variable frequency multi-conjoined central air conditioner | |
| CN203404907U (en) | Indoor unit controller and multi-split air conditioner system | |
| CN1301391C (en) | High temperature self-adaption separated air conditioners | |
| CN106500393B (en) | Multi-split heat pump system with three-stage centrifugal compressor | |
| CN1865815A (en) | Double-compressor hybrid-power combustion-gas thermal pump air-conditioning system | |
| CN1967074A (en) | Cooling and heating control system for combined air conditioner | |
| CN2677830Y (en) | Multi-compressor refrigeration device | |
| CN203642552U (en) | Refrigerating and/or heating system | |
| CN108954505B (en) | Air conditioner | |
| CN2628969Y (en) | Multi compressor variable capacity fixed frequency one with several air conditioner | |
| CN202254537U (en) | Air conditioner and variable throttling device thereof | |
| CN2672527Y (en) | Fixed frequency one draging more air conditioner | |
| CN113251686B (en) | Air-cooled heat pump air conditioner capable of quickly defrosting and control method thereof | |
| CN1415913A (en) | Air-conditioner with variable energy | |
| CN1261726C (en) | Cold medium controller for fixed-frequency multi-gang air conditioner | |
| CN2575568Y (en) | Observing device for vertical kiln | |
| CN201335470Y (en) | Integral-type air conditioner | |
| CN2628968Y (en) | Multicompressor variable capacity variable frequency one with one air conditioner | |
| CN2319722Y (en) | One-master-driving-multiple-indoor-machines air conditioner with parallel multiple compressors | |
| CN201463427U (en) | Combined throttling device | |
| CN2622634Y (en) | One-for-multiple air conditioner having multiple compressor variable conversion | |
| CN202547176U (en) | Multi-connected air conditioner without gas-liquid separator | |
| CN2916468Y (en) | Fixed-frequency highly-efficient air conditioner with a compressor and a plurality of evaporators | |
| CN101358782A (en) | Air conditioner with plurality of indoor units | |
| CN2586921Y (en) | Coolant controller for fixed-frequency multiple air-conditioning system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |