CN103528272B - A kind of multi-union compressor system - Google Patents
A kind of multi-union compressor system Download PDFInfo
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- CN103528272B CN103528272B CN201310530197.5A CN201310530197A CN103528272B CN 103528272 B CN103528272 B CN 103528272B CN 201310530197 A CN201310530197 A CN 201310530197A CN 103528272 B CN103528272 B CN 103528272B
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Abstract
This application discloses a kind of multi-union compressor system, including compressor, oil eliminator, gas-liquid separator, processor and the first electromagnetic expanding valve, the bottom of gas-liquid separator is provided with spill port, the pipeline of the coolant input port for connecting spill port and compressor is provided with the first electromagnetic expanding valve, the fan-out capability of compressor is detected by processor, and according to the ratio of fan-out capability Yu total fan-out capability of compressor, the size that the power-up state of described multi-union compressor system or the time of running of described compressor control the aperture of described first electromagnetic expanding valve, to reach the accurate control of the recirculating oil quantity to refrigeration oil, so that the compressor return air degree of superheat reaches optimum state.
Description
Technical field
The application relates to air-conditioning technical field, more particularly, it relates to a kind of multi-union compressor system.
Background technology
Current multi-union compressor system operationally, refrigeration oil along with coolant from compressor discharge after,
Gas-liquid separator is entered, by being arranged on the outlet of gas-liquid separator after oil eliminator is separated
The spill port of the fixed diameter of bottom empties back into compressor, it is impossible to the fan-out capability according to compressor is accurate
Control the recirculating oil quantity of refrigeration oil, cause the return-air degree of superheat of compressor to be extremely difficult to optimum state.
Summary of the invention
In view of this, the application provides a kind of multi-union compressor system, it is possible to according to the output energy of compressor
Power accurately controls the recirculating oil quantity of refrigeration oil, so that the return-air degree of superheat of compressor reaches optimum state.
To achieve these goals, it is proposed that scheme as follows:
A kind of multi-union compressor system, including compressor, oil eliminator, gas-liquid separator, processor and
First electromagnetic expanding valve, wherein:
Described compressor is provided with coolant delivery outlet and coolant input port；
The top of described oil eliminator is provided with the oil being connected with described oil eliminator and divides import, bottom to set
It is equipped with and separates mouth for the oil exporting refrigeration oil；
Described gas-liquid separator top is provided with the edema caused by disorder of QI import being connected with described gas-liquid separator, bottom
It is provided with the first spill port being connected with described gas-liquid separator；
Described coolant delivery outlet divides import to be connected by pipeline with described oil, and described edema caused by disorder of QI import is with described
Oil is separated mouth and is connected by pipeline, and described first spill port is connected by pipeline with described coolant input port
Logical；
Described first electromagnetic expanding valve is arranged on for connecting described first spill port and described coolant input port
Pipeline on and be connected with described processor；
Described processor is connected with described compressor, for detecting the fan-out capability of described compressor, and
Ratio according to described fan-out capability Yu total fan-out capability of described compressor.
Preferably,
As the 80%-100% that fan-out capability is its total capacity of described compressor, described processor controls institute
State aperture is its total aperture the 96% of the first electromagnetic expanding valve；
As the 60%-80% that fan-out capability is its total capacity of described compressor, described processor controls institute
State aperture is its total aperture the 80% of the first electromagnetic expanding valve；
As the 40%-60% that fan-out capability is its total capacity of described compressor, described processor controls institute
State aperture is its total aperture the 70% of the first electromagnetic expanding valve；
As the 30%-40% that fan-out capability is its total capacity of described compressor, described processor controls institute
State aperture is its total aperture the 60% of the first electromagnetic expanding valve；
When the fan-out capability of described compressor is less than the 30% of its total capacity, described processor controls described
The aperture of the first electromagnetic expanding valve is the 40% of its total aperture.
Preferably, the second electromagnetic expanding valve being connected with described processor is also included；
The bottom of described gas-liquid separator is additionally provided with the second spill port, for multi-joint with other by pipeline
Compressor assembly is connected；
Described second electromagnetic expanding valve is arranged on for connecting described second spill port and other multi-joint pressures described
On the pipeline of contracting machine system；
Described processor is additionally operable to the operation time of the power-on time according to described native system, described compressor
Or the on-off state of described compressor controls the size of aperture of described second electromagnetic expanding valve.
From above scheme it can be seen that multi-union compressor system disclosed in the present application is at the end of gas-liquid separator
Portion is provided with spill port, is being provided with for connecting spill port on the pipeline of the coolant input port of compressor
First electromagnetic expanding valve, the fan-out capability of compressor is detected by processor, and according to fan-out capability with
The ratio of total fan-out capability of compressor, the power-up state of described multi-union compressor system or described compressor
Time of running control the size of aperture of described first electromagnetic expanding valve, to reach the oil return to refrigeration oil
The accurate control of amount, so that the compressor return air degree of superheat reaches optimum state.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that below,
Accompanying drawing in description is only some embodiments of the application, for those of ordinary skill in the art,
On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structure chart of a kind of multi-union compressor system disclosed in the embodiment of the present application；
Fig. 2 is the structure chart of a kind of multi-union compressor system disclosed in another embodiment of the application.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present application, the technical scheme in the embodiment of the present application is carried out
Clearly and completely describe, it is clear that described embodiment is only some embodiments of the present application, and
It is not all, of embodiment.Based on the embodiment in the application, those of ordinary skill in the art are not making
Go out the every other embodiment obtained under creative work premise, broadly fall into the scope of the application protection.
Embodiment one
Fig. 1 is the structure chart of a kind of multi-union compressor system disclosed in the embodiment of the present application.
As it is shown in figure 1, multi-union compressor system disclosed in the present embodiment includes compressor 10, oil eliminator
20, vapour liquid separator the 30, first electromagnetic expanding valve 40 and processor 60, wherein: compressor 10 is respectively
Being connected with oil eliminator 20, gas-liquid separator 30, oil eliminator 20 is connected with gas-liquid separator 30,
Processor 60 is connected with compressor the 10, first electromagnetic expanding valve 40 respectively.
In multi-union compressor system, refrigeration oil is used for the cylinder of compressor 10 is lubricated and is cooled down,
Because compressor 10 is the equipment that a kind of sealing requirements is the highest, therefore by refrigeration oil is blended in coolant
In, utilize coolant circulation in systems to complete the lubrication to compresser cylinder and cooling.
Compressor 10 is provided with the coolant delivery outlet 12 being connected respectively and coolant input with compresser cylinder
Mouth 11, compressor 10 is for sucking gaseous coolant from coolant input port 11, and is compressed by gaseous coolant
Liquefaction, then exports indoor set (not shown) by liquid refrigerants by pipeline by coolant delivery outlet 12,
Liquid refrigerants vaporizes heat absorption in the coil pipe of indoor set, eventually passes back to compressor 10, completes whole being circulated throughout
Journey.
The present embodiment is provided with a compressor 10, it is also possible to multiple compressors is set according to actual needs
Be connected in parallel work.
From the coolant delivery outlet 12 of compressor 10, the liquid refrigerants of output initially enters oil eliminator 20.
Oil eliminator 20 is provided with oil point import 21 and oil separates mouth 22.Liquid refrigerants divides import 21 from oil
After entering oil eliminator 20, the refrigeration oil being blended in coolant is separated from coolant, then divides from oil
Outlet 22 output is to gas-liquid separator 30.Coolant is then entered by the check valve 60 connected with oil eliminator 20
Entering cross valve 61, coolant is exported indoor set by pipeline by the distribution through cross valve 61.
Gas-liquid separator 30 is provided with the gentle mouth 32 that separates of edema caused by disorder of QI import 31, edema caused by disorder of QI import 31 and cross valve
61 are connected, and edema caused by disorder of QI outlet 32 is connected with coolant input port 11.The gaseous coolant returned from indoor set
By entering gas-liquid separator 30 through edema caused by disorder of QI import 31 after cross valve 61, then exported 32 times by edema caused by disorder of QI
To compressor 10.Edema caused by disorder of QI import 31 is separated mouth 22 and is connected by pipeline with oil, separates mouth 22 from oil defeated
The refrigeration oil gone out enters gas-liquid separator 30 by edema caused by disorder of QI import 31.
The first spill port 33, the first spill port 33 and gas-liquid it is additionally provided with in the bottom of gas-liquid separator 30
Separator 30 is connected, and is connected with the coolant input port 11 of compressor 10 by pipeline, enters gas
The refrigeration oil of liquid/gas separator 30 returns to pressure by connecting the pipeline of the first spill port 33 and coolant input port 11
Contracting machine 10, completes cyclic process.
First electromagnetic expanding valve 40 is arranged on the pipe for connecting the first spill port 33 and coolant input port 11
Lu Shang.
Processor 60 is used for detecting the current fan-out capability of compressor 10, and according to fan-out capability and pressure
The size of the aperture of Ratio control first electromagnetic expanding valve 40 of total fan-out capability of contracting machine 10, with accurately
Control the recirculating oil quantity of refrigeration oil.
As a example by total aperture of the first electromagnetic expanding valve 40 is 500 pulses, by experiment and calculating, following
Control method to the first electromagnetic expanding valve 40 is the method more optimized:
When the compressor 10 of multi-union compressor system is in operating condition, processor 60 is according to compressor
The fan-out capability of 10 accounts for the percentage ratio of its total capacity and controls the aperture of the first electromagnetic expanding valve 40, such as table 1 institute
Show:
| Compressor 10 fan-out capability and the ratio of its total capacity | The aperture of the first electromagnetic expanding valve 40 |
| 80%≤ratio≤100% | 480 pulses |
| 60%≤ratio ＜ 80% | 400 pulses |
| 40%≤ratio ＜ 60% | 350 pulses |
| 30%≤ratio ＜ 40% | 300 pulses |
| Ratio ＜ 30% | 200 pulses |
Table 1
The effect of refrigeration oil also has the lubrication to compressor, in order to right in addition to the regulation return-air degree of superheat
Compressor well lubricates, and processor also aperture to electromagnetic expanding valve 40 does following control:
1, when this multi-union compressor system is in power-up state, processor controls the first electromagnetic expanding valve 40
Open 300 pulse apertures；
2, compressor often runs 30 minutes, and processor controls the first electromagnetic expanding valve 40 enforced opening 480
Pulse aperture persistently 1 minute.
From above scheme it can be seen that multi-union compressor system disclosed in the present application is at the end of gas-liquid separator
Portion is provided with spill port, is being provided with for connecting spill port on the pipeline of the coolant input port of compressor
First electromagnetic expanding valve, the fan-out capability of compressor is detected by processor, and according to fan-out capability with
The ratio of total fan-out capability of compressor, the power-up state of described multi-union compressor system or described compressor
Time of running control the size of aperture of described first electromagnetic expanding valve, to reach the oil return to refrigeration oil
The accurate control of amount, so that the compressor return air degree of superheat reaches optimum state.
Embodiment two
Fig. 2 is the structure chart of a kind of multi-union compressor system disclosed in another embodiment of the application.
As in figure 2 it is shown, the present embodiment has done following improvement on the basis of a upper embodiment.
Second spill port 34 is set in the bottom of gas-liquid separator 30, for when multiple upper embodiments disclosures
Multi-union compressor system parallel running time, the balance to the refrigeration oil between multiple stage multi-union compressor system
It is adjusted.
Second spill port 34 is connected with other multi-union compressor system by pipeline, for connection second
It is provided with the second electromagnetic expanding valve 50, the second electricity on spill port 34 and the pipeline of other multi-union compressor system
Magnetic expansion valve 50 is also connected with processor 60.
In order to accurately control the oil balance between other multi-joint compressors, by experiment and calculating, process
Device is controlled obtaining preferable effect in accordance with the following methods to the second electromagnetic expanding valve 50:
1, when multi-union compressor system powers on, processor 60 controls electromagnetic expanding valve 50 and opens and continue
Close after 110 seconds；When compressor 10 runs 4 minutes, processor 60 controls electromagnetic expanding valve 50 and opens
Open and continue 6 minutes, being then shut off.
2, for the multi-union compressor system run as main frame, when compressor operating 15 minutes, place
Reason device 60 controls to cut out, then every 22 minutes after the second electromagnetic expanding valve 50 is opened and continued 3 minutes
Open once, continue 3 minutes every time；
For as the multi-union compressor system run from machine, treat that the processor 60 of main frame controls second every time
When electromagnetic expanding valve 50 is opened, the processor 60 of the machine controls the second electromagnetic expanding valve 50 successively every 5 seconds
Rear unlatching, and last till closedown when the second electromagnetic expanding valve 50 of main frame is closed.
3, when single multi-union compressor system is shut down, its second electromagnetic expanding valve 50 is opened and continues
Close after 120 seconds.
Finally, in addition it is also necessary to explanation, in this article, the relational terms of such as first and second or the like
It is used merely to separate an entity or operation with another entity or operating space, and not necessarily requires
Or imply relation or the order that there is any this reality between these entities or operation.And, art
Language " includes ", " comprising " or its any other variant are intended to comprising of nonexcludability, thus
Make to include that the process of a series of key element, method, article or equipment not only include those key elements, and
Also include other key elements being not expressly set out, or also include for this process, method, article or
The key element that person's equipment is intrinsic.In the case of there is no more restriction, by statement " including ... "
The key element limited, it is not excluded that also deposit in including the process of described key element, method, article or equipment
In other identical element.
In this specification, each embodiment uses the mode gone forward one by one to describe, and each embodiment stresses
Being the difference with other embodiments, between each embodiment, identical similar portion sees mutually.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses
The application.Multiple amendment to these embodiments will be aobvious and easy for those skilled in the art
See, generic principles defined herein can in the case of without departing from spirit herein or scope,
Realize in other embodiments.Therefore, the application is not intended to be limited to the embodiments shown herein,
And it is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (3)
1. a multi-union compressor system, it is characterised in that include that compressor, oil eliminator, gas-liquid are divided
From device, processor and the first electromagnetic expanding valve, wherein:
Described compressor is provided with coolant delivery outlet and coolant input port；
The top of described oil eliminator is provided with the oil being connected with described oil eliminator and divides import, and bottom is arranged
Have and separate mouth for the oil exporting refrigeration oil；
Described gas-liquid separator top is provided with the edema caused by disorder of QI import being connected with described gas-liquid separator, and bottom sets
It is equipped with the first spill port being connected with described gas-liquid separator；
Described coolant delivery outlet divides import to be connected by pipeline with described oil, described edema caused by disorder of QI import and described oil
Separating mouth to be connected by pipeline, described first spill port is connected by pipeline with described coolant input port；
Described first electromagnetic expanding valve is arranged on for connecting described first spill port and described coolant input port
Pipeline on and be connected with described processor；
Described processor is connected with described compressor, for detecting the fan-out capability of described compressor, and root
According to described fan-out capability and the first electromagnetic expanding valve described in the Ratio control of total fan-out capability of described compressor
The size of aperture.
2. multi-union compressor system as claimed in claim 1, it is characterised in that
As the 80%-100% that fan-out capability is its total capacity of described compressor, described processor controls institute
State aperture is its total aperture the 96% of the first electromagnetic expanding valve；
As the 60%-80% that fan-out capability is its total capacity of described compressor, described processor controls described
The aperture of the first electromagnetic expanding valve is the 80% of its total aperture；
As the 40%-60% that fan-out capability is its total capacity of described compressor, described processor controls described
The aperture of the first electromagnetic expanding valve is the 70% of its total aperture；
As the 30%-40% that fan-out capability is its total capacity of described compressor, described processor controls described
The aperture of the first electromagnetic expanding valve is the 60% of its total aperture；
When described compressor fan-out capability less than its total capacity 30% time, described processor controls described the
The aperture of one electromagnetic expanding valve is the 40% of its total aperture.
3. the multi-union compressor system as described in any one of claim 1 or 2, it is characterised in that also wrap
Include the second electromagnetic expanding valve being connected with described processor；
The bottom of described gas-liquid separator is additionally provided with the second spill port, for by pipeline and other multi-joint pressures
Contracting machine system is connected；
Described second electromagnetic expanding valve is arranged on for connecting described second spill port and other multi-joint pressures described
On the pipeline of contracting machine system；
Described processor is additionally operable to the operation time or described of the power-on time according to described native system, described compressor
The on-off state of compressor controls the size of the aperture of described second electromagnetic expanding valve；
Wherein:
When multi-union compressor system powers on, processor controls the second electromagnetic expanding valve and opens and continue 110 seconds
Rear closedown；When compressor operating 4 minutes, processor 60 controlled the second electromagnetic expanding valve and opens and continue 6
Minute, it is then shut off；
For the multi-union compressor system run as main frame, when compressor operating 15 minutes, processor
Control to close after the second electromagnetic expanding valve is opened and continued 3 minutes, then opened once every 22 minutes, often
Secondary lasting 3 minutes；
For as the multi-union compressor system run from machine, treat that the processor of main frame controls the second electromagnetism every time
When expansion valve is opened, the processor of the machine controls the second electromagnetic expanding valve and opened after 5 seconds successively, and continues
Close when the second electromagnetic expanding valve 50 to main frame is closed；
When single multi-union compressor system is shut down, its second electromagnetic expanding valve is closed after opening and continuing 120 seconds.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310530197.5A CN103528272B (en) | 2013-10-30 | 2013-10-30 | A kind of multi-union compressor system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310530197.5A CN103528272B (en) | 2013-10-30 | 2013-10-30 | A kind of multi-union compressor system |
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| CN103528272A CN103528272A (en) | 2014-01-22 |
| CN103528272B true CN103528272B (en) | 2016-08-24 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105805994B (en) * | 2016-04-25 | 2018-09-07 | 广东美的暖通设备有限公司 | The control method and control device of a kind of expansion valve for compressor |
| CN106403337A (en) * | 2016-09-27 | 2017-02-15 | 广东志高暖通设备股份有限公司 | Multi-split system |
| CN107178943A (en) * | 2017-06-21 | 2017-09-19 | 广东美的暖通设备有限公司 | Air-conditioning system and its method for controlling oil return and device |
| CN112594985B (en) * | 2020-12-31 | 2022-04-19 | 广东积微科技有限公司 | Oil return control method of multifunctional multi-split system with double four-way valves |
| CN115143555B (en) * | 2022-06-30 | 2023-08-08 | 青岛海信日立空调***有限公司 | Air conditioning system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645057A (en) * | 2012-03-31 | 2012-08-22 | 宁波奥克斯电气有限公司 | Oil returning method during heating of multi-split air-conditioning unit |
| WO2013073065A1 (en) * | 2011-11-18 | 2013-05-23 | 三洋電機株式会社 | Refrigeration unit |
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2013
- 2013-10-30 CN CN201310530197.5A patent/CN103528272B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013073065A1 (en) * | 2011-11-18 | 2013-05-23 | 三洋電機株式会社 | Refrigeration unit |
| CN102645057A (en) * | 2012-03-31 | 2012-08-22 | 宁波奥克斯电气有限公司 | Oil returning method during heating of multi-split air-conditioning unit |
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Address after: 528200 No. 1 compiled by the villagers' group of helangsha, Shengli village, Lishui Town, Nanhai District, Foshan City, Guangdong Province Patentee after: Guangdong Kaili HVAC Co.,Ltd. Address before: 528200 No. 1 compiled by the villagers' group of helangsha, Shengli village, Lishui Town, Nanhai District, Foshan City, Guangdong Province Patentee before: GUANGDONG CHIGO HEATING AND VENTILATION EQUIPMENT Co.,Ltd. |
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