CN105020138A - Two-cylinder positive displacement compressor and control method - Google Patents
Two-cylinder positive displacement compressor and control method Download PDFInfo
- Publication number
- CN105020138A CN105020138A CN201410155543.0A CN201410155543A CN105020138A CN 105020138 A CN105020138 A CN 105020138A CN 201410155543 A CN201410155543 A CN 201410155543A CN 105020138 A CN105020138 A CN 105020138A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- solenoid valve
- compressor
- suction port
- liquor separator
- 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.)
- Granted
Links
Landscapes
- Applications Or Details Of Rotary Compressors (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The invention provides a two-cylinder positive displacement compressor and a control method. The two-cylinder positive displacement compressor comprises a first cylinder, a second cylinder, a compressor discharge opening, an air suction port, a first solenoid valve, a second solenoid valve, a slide plate and a pin. The compressor discharge opening is communicated with an air inlet of the second cylinder. The air suction port is respectively communicated with an air inlet of the first cylinder and the air inlet of the second cylinder. The first solenoid valve is arranged between the air suction port and the air inlet of the second cylinder. The second solenoid valve is mounted between the compressor discharge opening and the air inlet of the second cylinder. The slide plate is arranged inside the second cylinder. The pin is disposed below the slide plate. A spring is arranged below the pin. The pin has a first position for clamping the slide plate and a second position for avoiding the slide plate. By clamping the slide plate with the pin, switching between a single cylinder and two cylinders is achieved, and problems of high power consumption, low energy efficiency and the like during two-cylinder low frequency operation of the compressor are solved. By the two-cylinder operating mode at high frequency, the purpose of rapid refrigeration or heating is achieved. By the single-cylinder operating mode at low frequency, compressor power is low and energy efficiency is high.
Description
Technical field
The present invention relates to compressor field, especially, relate to a kind of double-cylinder variable-capacity compressor and controlling method.
Background technique
Efficient to air-conditioning products in order to meet user at present, energy-conservation, comfortable requirement, air-conditioning system mainly adopts frequency-changeable compressor, by regulating compressor rotary speed, realize air conditioner refrigerating amount or heating capacity can change with the change of customer charge, conventional frequency-changeable compressor has single cylinder and twin-tub two kinds, when air conditioning load is larger, according to single cylinder compressor, machine discharge capacity restriction by compression, compressor need run higher frequency, now compressor noise increases, less reliable, therefore the duplex cylinder compressor of the large appropriate to the occasion employing huge discharge of load, but work as air-conditioning under low loading conditions, if adopt duplex cylinder compressor equally, the operation frequency of compressor is lower, power consumption increases, performance reduces, the single cylinder compressor of this appropriate to the occasion employing small displacement, in sum, air-conditioning system uses merely single cylinder or duplex cylinder compressor all not to reach optimal case.
Summary of the invention
The object of the invention is to provide a kind of double-cylinder variable-capacity compressor and controlling method, uses merely single cylinder or duplex cylinder compressor to solve air-conditioning, when single cylinder high frequency runs large, the reliability of noise reduce and twin-tub low-frequency operation time power consumption large, technical problem that efficiency is low.
For achieving the above object, the invention provides a kind of double-cylinder variable-capacity compressor, comprising: the first cylinder and the second cylinder; Exhaust outlet of compressor, is connected with the suction port of the second cylinder; Intakeport, is connected with the suction port of the second cylinder with the suction port of the first cylinder respectively; First solenoid valve, between the suction port being arranged on intakeport and the second cylinder; Second solenoid valve, between the suction port being arranged on exhaust outlet of compressor and the second cylinder; Slide plate, is arranged in the second cylinder; Pin, is arranged on the below of slide plate, is provided with spring below pin; Pin has the primary importance blocking slide plate and the second place dodging slide plate.
Further, also comprise the first liquor separator, the import of the first liquor separator is connected with intakeport, and the outlet of the first liquor separator is connected with the suction port of the second cylinder with the suction port of the first cylinder respectively.
Further, the first solenoid valve is arranged between the outlet of the first liquor separator and the suction port of the second cylinder.
Further, double-cylinder variable-capacity compressor also comprises the first liquor separator and the second liquor separator, and the import of the first liquor separator is connected with intakeport, and the outlet of the first liquor separator is connected with the suction port of the first cylinder; The import of the second liquor separator is connected with intakeport, and the outlet of the second liquor separator is connected with the suction port of the second cylinder.
Further, the first solenoid valve is arranged between the import of intakeport and the second liquor separator, and second solenoid valve one end is connected with exhaust outlet of compressor, and the other end of the second solenoid valve is connected between the import of the second liquor separator and the first solenoid valve.
Present invention also offers a kind of controlling method according to aforementioned double-cylinder variable-capacity compressor, setting twin-tub operation frequency is F1, and single cylinder operation frequency is F2, and compressor actual motion frequency is f; Detect the working state of the first solenoid valve and the second solenoid valve, determine the actual motion state of compressor; If actual motion state and required running state are not inconsistent, then adjust the working state of the first solenoid valve and the second solenoid valve, conform to required running state to make the actual motion state of compressor.
Further, when the first solenoid valve is opened, during the second closed electromagnetic valve, judge that the actual motion state of compressor is run as twin-tub, compare the size of f and F1, as f >=F1, maintain twin-tub running state, the first solenoid valve and the second solenoid valve state constant.
Further, when the first solenoid valve is opened, during the second closed electromagnetic valve, judge that the actual motion state of compressor is run as twin-tub, compare the size of f and F1, as f < F1, run by twin-tub and change single cylinder operation into, close the first solenoid valve, open the second solenoid valve.
Further, when the first closed electromagnetic valve, when the second solenoid valve is opened, judge that the actual motion state of compressor is run as single cylinder, compare the size of f and F2, as f≤F2, maintain single cylinder running state, the first solenoid valve and the second solenoid valve state constant.
Further, when the first closed electromagnetic valve, when the second solenoid valve is opened, judge that the actual motion state of compressor is run as single cylinder, compare the size of f and F2, as f > F2, run by single cylinder and change twin-tub operation into, open the first solenoid valve, close the second solenoid valve.
The present invention has following beneficial effect:
The present invention is by the high low pressure of electromagnetic valve second cylinder, by pin, slide plate is blocked, switch to reach single twin-tub, the problem such as when solving compressor twin-tub low-frequency operation, power consumption is large, efficiency is low, adopt twin-tub operating mode when high frequency, the object reaching fast-refrigerating or heat, adopt single cylinder operating mode when low frequency, the little efficiency of compressor horsepower is high, reaches energy-conservation and object that is high reliability simultaneously.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to figure, the present invention is further detailed explanation.
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 first embodiment's schematic diagram according to double-cylinder variable-capacity compressor of the present invention; And
Fig. 2 is second embodiment's schematic diagram according to double-cylinder variable-capacity compressor of the present invention.
Reference character in accompanying drawing is as follows: 11, the first cylinder; 12, the second cylinder; 121, slide plate; 13, exhaust outlet of compressor; 14, intakeport; 21, the first solenoid valve; 22, the second solenoid valve; 30, pin; 31, spring; 41, the first liquor separator; 42, the second liquor separator.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
See Fig. 1 and Fig. 2, according to double-cylinder variable-capacity compressor of the present invention, comprising: the first cylinder 11 and the second cylinder 12; Exhaust outlet of compressor 13, is connected with the suction port of the second cylinder 12; Intakeport 14, is connected with the suction port of the second cylinder 12 with the suction port of the first cylinder 11 respectively; First solenoid valve 21, is arranged between intakeport 14 and the suction port of the second cylinder 12; Second solenoid valve 22, is arranged between exhaust outlet of compressor 13 and the suction port of the second cylinder 12; Slide plate 121, is arranged in the second cylinder 12; Pin 30, is arranged in the lower flange of the below of slide plate 121, is provided with spring 31 below pin 30; Pin 30 has the primary importance blocking slide plate 121 and the second place dodging slide plate 121.The present invention is by the high low pressure of electromagnetic valve second cylinder, by pin, slide plate is blocked, switch to reach single twin-tub, the problem such as when solving compressor twin-tub low-frequency operation, power consumption is large, efficiency is low, adopt twin-tub operating mode when high frequency, the object reaching fast-refrigerating or heat, adopt single cylinder operating mode when low frequency, the little efficiency of compressor horsepower is high, reaches energy-conservation and object that is high reliability simultaneously.
See Fig. 1 and Fig. 2, arrange a breach at duplex cylinder compressor slide plate 121, arrange a pin 30 bottom slide plate 121, pin 30 head is communicated with compressor internal high pressure chamber, pin 30 back is provided with spring, and pin 30 back is communicated with the second cylinder 12 intakeport simultaneously.Pin 30 head is in high pressure always, and when pin 30 back is high pressure, due to spring-loaded, the locked slide plate 121 of pin 30, slide plate 121 returns cylinder slide plate 121 groove, and the second cylinder 12 does not produce compression, and compressor is single cylinder operating mode.When pin 30 back is low pressure, owing to being subject to High Pressure by pin 30 head, lower flange return by pin 30, and slide plate 121 back is by High Pressure and roller contact, and the second cylinder 12 recovers normal work, and compressor is twin-tub operating mode.
See Fig. 2, compressor is provided with two liquor separators, the first solenoid valve 21 is provided with between intakeport and the second liquor separator 42, relief opening arranges the pipeline connection of a passage and the second liquor separator 42, be communicated with position to be between the second liquor separator 42 and the first solenoid valve 21, connecting pipeline arranges the second solenoid valve 22.
See Fig. 1, the import that double-cylinder variable-capacity compressor also comprises the first liquor separator 41, first liquor separator 41 is connected with intakeport 14, and the outlet of the first liquor separator 41 is connected with the suction port of the second cylinder 12 with the suction port of the first cylinder 11 respectively.First solenoid valve 21 is arranged between the outlet of the first liquor separator 41 and the suction port of the second cylinder 12.
See Fig. 2, the import that double-cylinder variable-capacity compressor also comprises the first liquor separator 41 and the second liquor separator 42, first liquor separator 41 is connected with intakeport 14, and the outlet of the first liquor separator 41 is connected with the suction port of the first cylinder 11; The import of the second liquor separator 42 is connected with intakeport 14, and the outlet of the second liquor separator 42 is connected with the suction port of the second cylinder 12.First solenoid valve 21 is arranged between intakeport 14 and the import of the second liquor separator 42, and second solenoid valve 22 one end is connected with exhaust outlet of compressor 13, and the other end of the second solenoid valve 22 is connected between the import of the second liquor separator 42 and the first solenoid valve 21.
The double-cylinder variable-capacity compressor that the present invention proposes and controlling method comprise variable volume compressor and the first solenoid valve 21 and the second solenoid valve 22, first solenoid valve 21 is connected with the air intake passage of transfiguration cylinder, second solenoid valve 22 one end is communicated with exhaust outlet of compressor, the other end is connected with the air intake passage of transfiguration cylinder equally, after position is positioned at the first solenoid valve 21 passage.
According to the controlling method of double-cylinder variable-capacity compressor of the present invention, setting twin-tub operation frequency is F1, and single cylinder operational efficiency is F2, and compressor actual motion frequency is f; Detect the working state of the first solenoid valve 21 and the second solenoid valve, determine the actual motion state of compressor; The working state of the first solenoid valve 21 and the second solenoid valve 22 is adjusted, the actual motion state of adjustment compressor according to actual conditions.
When the first solenoid valve 21 is opened, when the second solenoid valve 22 cuts out, judge that the actual motion state of compressor is run as twin-tub, compare the size of f and F1, as f >=F1, maintain twin-tub running state, the first solenoid valve 21 and the second solenoid valve 22 state constant.As f < F1, run by twin-tub and change single cylinder operation into, close the first solenoid valve 21, open the second solenoid valve 22.
When the first solenoid valve 21 cuts out, when the second solenoid valve 22 is opened, judge that the actual motion state of compressor is run as single cylinder, compare the size of f and F2, as f≤F2, maintain single cylinder running state, the first solenoid valve 21 and the second solenoid valve 22 state constant.As f > F2, run by single cylinder and change twin-tub operation into, open the first solenoid valve 21, close the second solenoid valve 22.
The present invention proposes the controlling method of a kind of double-cylinder variable-capacity compressor and the switching of single twin-tub operating mode.
Compressor single cylinder operating mode controlling method: close the first solenoid valve 21, opens the second solenoid valve 22.
After closing the first solenoid valve 21, the gas that compressor sucks, stopped by the first solenoid valve 21, low pressure stage gas can not enter the second liquor separator 42, can only be siphoned away by upper cylinder by the first liquor separator 41, when opening the second solenoid valve 22, the high pressure stage gas that compressor is discharged is communicated with the second liquor separator 42, now liquid separator of compressor and the second cylinder 12 are high pressure stage gas, high pressure stage gas arrives pin 30 back by circulation passage, now pin 30 back and head are high pressure, be subject to the effect of spring force, the locked slide plate 121 of pin 30, second cylinder 12 loses compression, compressor is single cylinder operating mode.
Compressor twin-tub operating mode controlling method: close the second solenoid valve 22, opens the first solenoid valve 21.
After closing the second solenoid valve 22, the pressurized gas that compressor is discharged are blocked, the second liquor separator 42 can not be entered, be still now pressurized gas in the second liquor separator 42, after opening the first solenoid valve 21, low pressure stage gas enters the second liquor separator 42, sucked by the second cylinder 12, low pressure stage air ventilation passage arrives pin 30 back, now pin 30 back is low pressure stage gas, pin 30 head is high pressure stage gas, pin 30 pressurized returns lower flange, now slide plate 121 back is by high pressure and roller contact, second cylinder 12 recovers compression, compressor transfers twin-tub operating mode to.
2, the controlling method that double-cylinder variable-capacity compressor single cylinder runs and twin-tub runs:
1) according to the efficiency optimum point of compressor under single cylinder and twin-tub operating mode, the frequency of setting compressor twin-tub operating mode is F1, and the frequency of setting single cylinder operating mode is F2,
2) state of the first solenoid valve 21 and the second solenoid valve 22 is detected, when the second solenoid valve 22 is in closed condition, when first solenoid valve 21 is in opening state, low pressure stage gas is communicated with the second cylinder 12 intakeport, pin 30 back is low pressure, pin 30 head is high pressure, and lower flange return by pin 30, and compressor is twin-tub operating mode.Detect compressor operating frequency f, as compressor operating frequency f >=F1, keep the second solenoid valve 22 to close, the first solenoid valve 21 is opened, and compressor keeps twin-tub to run;
As compressor operating frequency f < F1, first solenoid valve 21 cuts out, second solenoid valve 22 is opened, and high pressure stage gas is communicated with the second cylinder 12 intakeport, and pin 30 back and head are all by high pressure, spring-loaded, the locked slide plate 121 of pin 30, compressor transfers single cylinder operating mode to, adjustment compressor operating frequency, to meet burden requirement, single twin-tub switching frequency is adjusted to F2 simultaneously.
3) state of the first solenoid valve 21 and the second solenoid valve 22 is detected, when the first solenoid valve 21 is in closed condition, when second solenoid valve 22 is in opening state, compressor is single cylinder operating mode, detects compressor operating frequency, as f≤F2, first solenoid valve 21 cuts out, second solenoid valve 22 is opened, and high pressure stage gas is communicated with the second cylinder 12 intakeport, and compressor keeps single cylinder to run;
As f>F2, the second solenoid valve 22 cuts out, and the first solenoid valve 21 is opened, low pressure stage gas is communicated with compressor and transfers twin-tub to and run with the second cylinder 12 intakeport, adjustment compressor operating frequency, to meet burden requirement, single twin-tub switching frequency is adjusted to F1 simultaneously.
As can be seen from the above description, the above embodiments of the present invention achieve following technique effect:
The present invention is by the high low pressure of electromagnetic valve second cylinder, by pin, slide plate is blocked, switch to reach single twin-tub, the problem such as when solving compressor twin-tub low-frequency operation, power consumption is large, efficiency is low, adopt twin-tub operating mode when high frequency, the object reaching fast-refrigerating or heat, adopt single cylinder operating mode when low frequency, the little efficiency of compressor horsepower is high, reaches energy-conservation and object that is high reliability simultaneously.
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. a double-cylinder variable-capacity compressor, is characterized in that, comprising:
First cylinder (11) and the second cylinder (12);
Exhaust outlet of compressor (13), is connected with the suction port of described second cylinder (12);
Intakeport (14), is connected with the suction port of described second cylinder (12) with the suction port of the first cylinder (11) respectively;
First solenoid valve (21), between the suction port being arranged on described intakeport (14) and described second cylinder (12);
Second solenoid valve (22), between the suction port being arranged on described exhaust outlet of compressor (13) and described second cylinder (12);
Slide plate (121), is arranged in described second cylinder (12);
Pin (30), is arranged on the below of described slide plate (121), and described pin (30) below is provided with spring (31);
Described pin (30) has the primary importance blocking described slide plate (121) and the second place dodging described slide plate (121).
2. double-cylinder variable-capacity compressor according to claim 1, is characterized in that,
Also comprise the first liquor separator (41), the import of described first liquor separator (41) is connected with described intakeport (14), and the outlet of described first liquor separator (41) is connected with the suction port of described second cylinder (12) with the suction port of described first cylinder (11) respectively.
3. double-cylinder variable-capacity compressor according to claim 2, is characterized in that,
Between the outlet that described first solenoid valve (21) is arranged on described first liquor separator (41) and the suction port of described second cylinder (12).
4. double-cylinder variable-capacity compressor according to claim 1, is characterized in that,
Also comprise the first liquor separator (41) and the second liquor separator (42), the import of described first liquor separator (41) is connected with described intakeport (14), and the outlet of described first liquor separator (41) is connected with the suction port of described first cylinder (11); The import of described second liquor separator (42) is connected with described intakeport (14), and the outlet of described second liquor separator (42) is connected with the suction port of described second cylinder (12).
5. double-cylinder variable-capacity compressor according to claim 4, is characterized in that,
Described first solenoid valve (21) is arranged between the import of described intakeport (14) and described second liquor separator (42), described second solenoid valve (22) one end is connected with described exhaust outlet of compressor (13), between the import that the other end of described second solenoid valve (22) is connected to described second liquor separator (42) and described first solenoid valve (21).
6. a controlling method for double-cylinder variable-capacity compressor according to any one of claim 1 to 5, is characterized in that,
Setting twin-tub operation frequency is F1, and single cylinder operation frequency is F2, and compressor actual motion frequency is f;
Detect the working state of the first solenoid valve (21) and the second solenoid valve, determine the actual motion state of compressor;
If described actual motion state and required running state are not inconsistent, then adjust the working state of described first solenoid valve (21) and described second solenoid valve (22), conform to required running state to make the actual motion state of described compressor.
7. the controlling method of double-cylinder variable-capacity compressor according to claim 6, is characterized in that,
When described first solenoid valve (21) is opened, when described second solenoid valve (22) is closed, judge that the actual motion state of compressor is run as twin-tub, the relatively size of f and F1, as f >=F1, maintain twin-tub running state, described first solenoid valve (21) and described second solenoid valve (22) state constant.
8. the controlling method of double-cylinder variable-capacity compressor according to claim 6, is characterized in that,
When described first solenoid valve (21) is opened, when described second solenoid valve (22) is closed, judge that the actual motion state of compressor is run as twin-tub, the relatively size of f and F1, as f < F1, run by twin-tub and change single cylinder operation into, close described first solenoid valve (21), open described second solenoid valve (22).
9. the controlling method of double-cylinder variable-capacity compressor according to claim 6, is characterized in that,
When described first solenoid valve (21) is closed, when described second solenoid valve (22) is opened, judge that the actual motion state of compressor is run as single cylinder, the relatively size of f and F2, as f≤F2, maintain single cylinder running state, described first solenoid valve (21) and described second solenoid valve (22) state constant.
10. the controlling method of double-cylinder variable-capacity compressor according to claim 6, is characterized in that,
When described first solenoid valve (21) is closed, when described second solenoid valve (22) is opened, judge that the actual motion state of compressor is run as single cylinder, the relatively size of f and F2, as f > F2, run by single cylinder and change twin-tub operation into, open described first solenoid valve (21), close described second solenoid valve (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410155543.0A CN105020138B (en) | 2014-04-17 | 2014-04-17 | Double-cylinder variable-capacity compressor and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410155543.0A CN105020138B (en) | 2014-04-17 | 2014-04-17 | Double-cylinder variable-capacity compressor and control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105020138A true CN105020138A (en) | 2015-11-04 |
| CN105020138B CN105020138B (en) | 2017-11-21 |
Family
ID=54410355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410155543.0A Active CN105020138B (en) | 2014-04-17 | 2014-04-17 | Double-cylinder variable-capacity compressor and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105020138B (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105466060A (en) * | 2015-12-28 | 2016-04-06 | 珠海格力电器股份有限公司 | Variable-volume two-stage compression system and control method thereof |
| CN105545752A (en) * | 2016-01-21 | 2016-05-04 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and refrigeration system comprising same |
| CN106247526A (en) * | 2016-07-26 | 2016-12-21 | 广东美的制冷设备有限公司 | Air-conditioner control method and device thereof |
| CN106930947A (en) * | 2015-12-30 | 2017-07-07 | 珠海格力节能环保制冷技术研究中心有限公司 | Pressure switching mechanism and compressor |
| CN107883600A (en) * | 2016-09-30 | 2018-04-06 | 上海海立电器有限公司 | One drag two air-conditioning system |
| CN109186042A (en) * | 2018-09-20 | 2019-01-11 | 珠海格力电器股份有限公司 | Air-conditioner defrosting method |
| CN109269039A (en) * | 2018-08-06 | 2019-01-25 | 珠海格力电器股份有限公司 | A kind of control method and coolant circulating system of compressor |
| WO2019091104A1 (en) * | 2017-11-08 | 2019-05-16 | 珠海格力节能环保制冷技术研究中心有限公司 | Variable-capacity control structure, compressor and variable-capacity control method therefor |
| CN110500742A (en) * | 2018-05-16 | 2019-11-26 | 上海海立电器有限公司 | Air-conditioning system and its working method |
| CN112412787A (en) * | 2020-11-06 | 2021-02-26 | 珠海格力节能环保制冷技术研究中心有限公司 | Variable-capacity compressor and air conditioner |
| WO2021128905A1 (en) * | 2019-12-26 | 2021-07-01 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body assembly and variable capacity compressor |
| CN114198304A (en) * | 2021-12-10 | 2022-03-18 | 珠海格力电器股份有限公司 | Double-cylinder variable-capacity compressor and air conditioning system |
| CN115217739A (en) * | 2022-07-12 | 2022-10-21 | 珠海格力电器股份有限公司 | Single-cylinder and double-cylinder switching method for compressor and air conditioning unit |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1590769A (en) * | 2003-09-02 | 2005-03-09 | 东芝开利株式会社 | Air conditioner |
| CN1761817A (en) * | 2003-03-18 | 2006-04-19 | 东芝开利株式会社 | Rotary closed type compressor and refrigerating cycle apparatus |
| JP4663978B2 (en) * | 2003-12-11 | 2011-04-06 | 東芝キヤリア株式会社 | Refrigeration cycle equipment |
| CN202441600U (en) * | 2012-02-06 | 2012-09-19 | 珠海格力节能环保制冷技术研究中心有限公司 | Double-rotor variable-volume compressor |
| CN103573628A (en) * | 2012-08-10 | 2014-02-12 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor |
| CN103573625A (en) * | 2012-07-30 | 2014-02-12 | 珠海格力节能环保制冷技术研究中心有限公司 | Volume variable rotation compressor |
| CN203796564U (en) * | 2014-04-17 | 2014-08-27 | 珠海格力节能环保制冷技术研究中心有限公司 | Double-cylinder variable-capacitance compressor |
-
2014
- 2014-04-17 CN CN201410155543.0A patent/CN105020138B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1761817A (en) * | 2003-03-18 | 2006-04-19 | 东芝开利株式会社 | Rotary closed type compressor and refrigerating cycle apparatus |
| CN1590769A (en) * | 2003-09-02 | 2005-03-09 | 东芝开利株式会社 | Air conditioner |
| JP4663978B2 (en) * | 2003-12-11 | 2011-04-06 | 東芝キヤリア株式会社 | Refrigeration cycle equipment |
| CN202441600U (en) * | 2012-02-06 | 2012-09-19 | 珠海格力节能环保制冷技术研究中心有限公司 | Double-rotor variable-volume compressor |
| CN103573625A (en) * | 2012-07-30 | 2014-02-12 | 珠海格力节能环保制冷技术研究中心有限公司 | Volume variable rotation compressor |
| CN103573628A (en) * | 2012-08-10 | 2014-02-12 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor |
| CN203796564U (en) * | 2014-04-17 | 2014-08-27 | 珠海格力节能环保制冷技术研究中心有限公司 | Double-cylinder variable-capacitance compressor |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105466060A (en) * | 2015-12-28 | 2016-04-06 | 珠海格力电器股份有限公司 | Variable-volume two-stage compression system and control method thereof |
| CN106930947A (en) * | 2015-12-30 | 2017-07-07 | 珠海格力节能环保制冷技术研究中心有限公司 | Pressure switching mechanism and compressor |
| CN106930947B (en) * | 2015-12-30 | 2018-12-04 | 珠海格力电器股份有限公司 | pressure switching mechanism and compressor |
| CN105545752A (en) * | 2016-01-21 | 2016-05-04 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and refrigeration system comprising same |
| CN105545752B (en) * | 2016-01-21 | 2018-02-06 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and there is its refrigeration system |
| CN106247526A (en) * | 2016-07-26 | 2016-12-21 | 广东美的制冷设备有限公司 | Air-conditioner control method and device thereof |
| CN107883600A (en) * | 2016-09-30 | 2018-04-06 | 上海海立电器有限公司 | One drag two air-conditioning system |
| CN107883600B (en) * | 2016-09-30 | 2023-11-28 | 上海海立电器有限公司 | One-driving-two air conditioning system |
| US11519410B2 (en) | 2017-11-08 | 2022-12-06 | Green Refrigeration Equipment Engineering Research Center Of Zhuhai Gree Co., Ltd. | Variable-capacity control structure, compressor and variable-capacity control method thereof |
| WO2019091104A1 (en) * | 2017-11-08 | 2019-05-16 | 珠海格力节能环保制冷技术研究中心有限公司 | Variable-capacity control structure, compressor and variable-capacity control method therefor |
| CN110500742A (en) * | 2018-05-16 | 2019-11-26 | 上海海立电器有限公司 | Air-conditioning system and its working method |
| CN109269039A (en) * | 2018-08-06 | 2019-01-25 | 珠海格力电器股份有限公司 | A kind of control method and coolant circulating system of compressor |
| CN109269039B (en) * | 2018-08-06 | 2020-11-10 | 珠海格力电器股份有限公司 | Control method of compressor and refrigerant circulating system |
| CN109186042A (en) * | 2018-09-20 | 2019-01-11 | 珠海格力电器股份有限公司 | Air-conditioner defrosting method |
| WO2021128905A1 (en) * | 2019-12-26 | 2021-07-01 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body assembly and variable capacity compressor |
| CN112412787A (en) * | 2020-11-06 | 2021-02-26 | 珠海格力节能环保制冷技术研究中心有限公司 | Variable-capacity compressor and air conditioner |
| CN114198304A (en) * | 2021-12-10 | 2022-03-18 | 珠海格力电器股份有限公司 | Double-cylinder variable-capacity compressor and air conditioning system |
| CN115217739A (en) * | 2022-07-12 | 2022-10-21 | 珠海格力电器股份有限公司 | Single-cylinder and double-cylinder switching method for compressor and air conditioning unit |
| CN115217739B (en) * | 2022-07-12 | 2023-08-29 | 珠海格力电器股份有限公司 | Single-double cylinder switching method of compressor and air conditioning unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105020138B (en) | 2017-11-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105020138A (en) | Two-cylinder positive displacement compressor and control method | |
| CN203796564U (en) | Double-cylinder variable-capacitance compressor | |
| CN204854066U (en) | Heat transfer system | |
| US10247449B2 (en) | Variable-capacity compressor, two-stage compression system and control method thereof | |
| CN202851355U (en) | Single-stage and double-stage interchangeable double-cylinder compressor | |
| CN103075344B (en) | Variable-capacity two-stage enthalpy-increase compressor and air-conditioning system | |
| KR101986965B1 (en) | Compressor and heat exchange system | |
| CN110762017B (en) | Air inlet structure, air exhaust structure, compressor, control method and air conditioner | |
| CN202266430U (en) | Variable-capacity two-stage enthalpy increasing compressor and air conditioning system | |
| CN208718928U (en) | A kind of compressor and refrigeration system | |
| CN103727034B (en) | Compressor | |
| CN102889210B (en) | Double-cylinder and double-mode compressor | |
| CN110578689A (en) | Compressor and air conditioning system with same | |
| CN104729138A (en) | Air conditioner and capacity change judgment method thereof | |
| CN105065272A (en) | Rotary compressor | |
| CN203248363U (en) | Double-die compression pump body and double-cylinder compressor using same | |
| CN105443384B (en) | Compressor and its control method and air conditioner | |
| CN106705473A (en) | Heat exchange system | |
| CN202441601U (en) | Variable capacity compressor and air conditioner as well as heat pump water heater with the same | |
| CN205689429U (en) | Compound compressor and air conditioning system | |
| CN203823909U (en) | Air conditioning system | |
| CN113883054A (en) | Pump body subassembly, variable volume compressor and air conditioning system | |
| CN104989645A (en) | Multiple-exhaust-pressure rolling rotor type compressor | |
| CN109058107B (en) | Sealed rotary compressor and control method thereof | |
| CN204941943U (en) | Rotary compressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |