CN203796564U - Double-cylinder variable-capacitance compressor - Google Patents
Double-cylinder variable-capacitance compressor Download PDFInfo
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- CN203796564U CN203796564U CN201420188364.2U CN201420188364U CN203796564U CN 203796564 U CN203796564 U CN 203796564U CN 201420188364 U CN201420188364 U CN 201420188364U CN 203796564 U CN203796564 U CN 203796564U
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- 230000008676 import Effects 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 238000005057 refrigeration Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 238000004378 air conditioning Methods 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000004134 energy conservation Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model provides a double-cylinder variable-capacitance compressor which comprises a first air cylinder, a second air cylinder, a compressor air exhausting opening, an air sucking opening, a first electromagnetic valve, a second electromagnetic valve, a slide piece and a pin. The compressor air exhausting opening is communicated with an air inlet of the second air cylinder, the air sucking opening is respectively communicated with the air inlet of the first air cylinder and an air inlet of the second air cylinder, the first electromagnetic valve is arranged between the air sucking opening and the air inlet of the second air cylinder, the second electromagnetic valve is arranged between the compressor air exhausting opening and the air inlet of the second air cylinder, the slide piece is arranged in the second air cylinder, the pin is arranged under the slide piece, a spring is arranged under the pin, and the pin is provided with a first position where the slide piece can be clamped and a second position capable of avoiding the slide sleeve. The high pressure and the low pressure of the second air cylinder can be controlled by the electromagnetic valves, the slide piece can be clamped by the pin to achieve the switch between one single cylinder and double cylinders, and the problems that the double cylinders, in low-frequency operation, of the compressor are low in power consumption and low in energy efficiency. In high frequency, a double-cylinder operation mode is utilized to achieve the purpose of quick refrigeration or heating. In low frequency, a single-cylinder operation mode is utilized. Furthermore, the compressor is small in power and high in energy efficiency.
Description
Technical field
The utility model relates to compressor field, especially, relates to a kind of double-cylinder variable-capacity compressor.
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, realizing air conditioner refrigerating amount or heating capacity can change with the variation of customer charge, conventional frequency-changeable compressor has two kinds of single cylinder and twin-tubs, when air conditioning load is larger, if employing single cylinder compressor, machine discharge capacity restriction by compression, compressor need move higher frequency, now compressor noise increases, reliability variation, the duplex cylinder compressor of the large discharge capacity of large appropriate to the occasion employing of therefore loading, but when air-conditioning is under low load condition, if adopt equally duplex cylinder compressor, 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 is used merely single cylinder or duplex cylinder compressor all not to reach optimal case.
Model utility content
The utility model object is to provide a kind of double-cylinder variable-capacity compressor, to solve air-conditioning, uses merely single cylinder or duplex cylinder compressor, the technical problem that single cylinder high frequency when operation noise is large, reliability reduces and power consumption is large during twin-tub low-frequency operation, efficiency is low.
For achieving the above object, the utility model 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 first cylinder and the suction port of the second cylinder respectively; The first solenoid valve, is arranged between intakeport and the suction port of the second cylinder; The second solenoid valve, is arranged between exhaust outlet of compressor and the suction port of the second cylinder; Slide plate, is arranged in the second cylinder; Pin, is arranged on the below of slide plate, and pin below is provided with spring; Pin has the primary importance of blocking slide plate and the second place of 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 first cylinder and the suction port of the second 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 intakeport and the import of 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 and the first solenoid valve of the second liquor separator.
The utlity model has following beneficial effect:
The utility model is by the high low pressure of electromagnetic valve the second cylinder, by pin, slide plate is blocked, to reach single twin-tub, switch, the problems such as while having solved compressor twin-tub low-frequency operation, power consumption is large, efficiency is low, when high frequency, adopt twin-tub operating mode, the object that reaches fast-refrigerating or heat adopts single cylinder operating mode when low frequency, the little efficiency of compressor horsepower is high, reaches energy-conservation and object high reliability simultaneously.
Except object described above, feature and advantage, the utility model also has other object, feature and advantage.Below with reference to figure, the utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is first embodiment's schematic diagram according to double-cylinder variable-capacity compressor of the present utility model; And
Fig. 2 is second embodiment's schematic diagram according to double-cylinder variable-capacity compressor of the present utility model.
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, embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
Referring to Fig. 1 and Fig. 2, according to double-cylinder variable-capacity compressor of the present utility model, 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 first cylinder 11 and the suction port of the second cylinder 12 respectively; The first solenoid valve 21, is arranged between intakeport 14 and the suction port of the second cylinder 12; The 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 below of slide plate 121, and pin 30 belows are provided with spring 31; Pin 30 has and blocks the primary importance of slide plate 121 and dodge the second place of slide plate 121.The utility model is by the high low pressure of electromagnetic valve the second cylinder, by pin, slide plate is blocked, to reach single twin-tub, switch, the problems such as while having solved compressor twin-tub low-frequency operation, power consumption is large, efficiency is low, when high frequency, adopt twin-tub operating mode, the object that reaches fast-refrigerating or heat adopts single cylinder operating mode when low frequency, the little efficiency of compressor horsepower is high, reaches energy-conservation and object high reliability simultaneously.
Referring to Fig. 1 and Fig. 2, at duplex cylinder compressor slide plate 121, a breach is set, in slide plate 121 bottoms, a pin 30 is set, pin 30 heads are communicated with compressor internal high pressure chamber, pin 30 backs are provided with spring, and pin 30 backs are communicated with the second cylinder 12 intakepories simultaneously.Pin 30 heads are always in high pressure, when pin 30 backs are high pressure, and due to spring-loaded, the locked slide plate 121 of pin 30, slide plate 121 is return cylinder slide plate 121 grooves, and the second cylinder 12 does not produce compression, and compressor is single cylinder operating mode.When pin 30 backs are low pressure, owing to being subject to pin 30 heads to be subject to High Pressure, pin 30 is return lower flange, and slide plate 121 backs are contacted with roller by High Pressure, and the second cylinder 12 recovers normal work, and compressor is twin-tub operating mode.
Referring to Fig. 2, compressor is provided with two liquor separators, between intakeport and the second liquor separator 42, be provided with the first solenoid valve 21, relief opening arranges the pipeline connection of a passage and the second liquor separator 42, be communicated with position between the second liquor separator 42 and the first solenoid valve 21, the second solenoid valve 22 is set on connecting pipeline.
Referring to Fig. 1, double-cylinder variable-capacity compressor also comprises that the import of the first liquor separator 41, the first liquor separators 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 and the suction port of the second cylinder 12 respectively.The first solenoid valve 21 is arranged between the outlet of the first liquor separator 41 and the suction port of the second cylinder 12.
Referring to Fig. 2, double-cylinder variable-capacity compressor also comprises that the import of the first liquor separator 41 and the second liquor separator 42, the first liquor separators 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.The 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 are connected with exhaust outlet of compressor 13, and the other end of the second solenoid valve 22 is connected between the import and the first solenoid valve 21 of the second liquor separator 42.
The double-cylinder variable-capacity compressor the utility model proposes comprises variable volume compressor and the first solenoid valve 21 and the second solenoid valve 22, the first solenoid valve 21 is connected with the air intake passage of transfiguration cylinder, second solenoid valve 22 one end are 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 passages.
According to the controlling method of double-cylinder variable-capacity compressor of the present utility model, 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; According to actual conditions, adjust the working state of the first solenoid valve 21 and the second solenoid valve 22, adjust the actual motion state of compressor.
When the first solenoid valve 21 is opened, when the second solenoid valve 22 cuts out, judge that the actual motion state of compressor moves as twin-tub, relatively the size of f and F1, when f >=F1, maintains twin-tub running state, and the first solenoid valve 21 and the second solenoid valve 22 states are constant.When f < F1, by twin-tub operation, change single cylinder into and move, 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 moves as single cylinder, relatively the size of f and F2, when f≤F2, maintains single cylinder running state, and the first solenoid valve 21 and the second solenoid valve 22 states are constant.When f > F2, by single cylinder operation, change twin-tub into and move, open the first solenoid valve 21, close the second solenoid valve 22.
The utility model proposes the controlling method that a kind of double-cylinder variable-capacity compressor and single twin-tub operating mode are switched.
Compressor single cylinder operating mode controlling method: close the first solenoid valve 21, open the second solenoid valve 22.
After closing the first solenoid valve 21, the gas that compressor sucks, by the first solenoid valve 21, stopped, low pressure stage gas can not enter the second liquor separator 42, can only by upper cylinder, be siphoned away by the first liquor separator 41, while 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 backs by circulation passage, now pin 30 backs and head are high pressure, be subject to the effect of spring force, the locked slide plate 121 of pin 30, the second cylinder 12 loses compression, compressor is single cylinder operating mode.
Compressor twin-tub operating mode controlling method: close the second solenoid valve 22, open the first solenoid valve 21.
After closing the second solenoid valve 22, the pressurized gas that compressor is discharged are blocked, can not enter the second liquor separator 42, in the second liquor separator 42, be still now pressurized gas, open after the first solenoid valve 21, low pressure stage gas enters the second liquor separator 42, by the second cylinder 12, sucked, low pressure stage gas communication passage arrives pin 30 backs, now pin 30 backs are low pressure stage gas, pin 30 heads are high pressure stage gas, pin 30 pressurizeds are return lower flange, now slide plate 121 backs are contacted with roller by high pressure, the second cylinder 12 recovers compression, compressor transfers twin-tub operating mode to.
2, the controlling method of the operation of double-cylinder variable-capacity compressor single cylinder and twin-tub operation:
1) the efficiency optimum point under single cylinder and twin-tub operating mode according to compressor, the frequency of setting compressor twin-tub operating mode is F1, the frequency of setting single cylinder operating mode is F2,
2) detect the state of the first solenoid valve 21 and the second solenoid valve 22, when the second solenoid valve 22 is in closed condition, the first solenoid valve 21 is when opening state, low pressure stage gas is communicated with the second cylinder 12 intakepories, pin 30 backs are low pressure, pin 30 heads are high pressure, and pin 30 is return lower flange, and compressor is twin-tub operating mode.Detect compressor operating frequency f, when 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 operation;
When compressor operating frequency f < F1, the first solenoid valve 21 cuts out, the second solenoid valve 22 is opened, and high pressure stage gas is communicated with the second cylinder 12 intakepories, and pin 30 backs and head are all subject to high pressure, spring-loaded, the locked slide plate 121 of pin 30, compressor transfers single cylinder operating mode to, adjusts compressor operating frequency, to meet burden requirement, single twin-tub switching frequency is adjusted into F2 simultaneously.
3) detect the state of the first solenoid valve 21 and the second solenoid valve 22, when the first solenoid valve 21 is in closed condition, the second solenoid valve 22 is when opening state, compressor is single cylinder operating mode, detects compressor operating frequency, when f≤F2, the first solenoid valve 21 cuts out, the second solenoid valve 22 is opened, and high pressure stage gas is communicated with the second cylinder 12 intakepories, and compressor keeps single cylinder operation;
When 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 operation to the second cylinder 12 intakepories, adjust compressor operating frequency, to meet burden requirement, single twin-tub switching frequency is adjusted into F1 simultaneously.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect:
The utility model is by the high low pressure of electromagnetic valve the second cylinder, by pin, slide plate is blocked, to reach single twin-tub, switch, the problems such as while having solved compressor twin-tub low-frequency operation, power consumption is large, efficiency is low, when high frequency, adopt twin-tub operating mode, the object that reaches fast-refrigerating or heat adopts single cylinder operating mode when low frequency, the little efficiency of compressor horsepower is high, reaches energy-conservation and object high reliability simultaneously.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. a double-cylinder variable-capacity compressor, is characterized in that, comprising:
The first cylinder (11) and the second cylinder (12);
Exhaust outlet of compressor (13), is connected with the suction port of described the second cylinder (12);
Intakeport (14), is connected with the suction port of the first cylinder (11) and the suction port of described the second cylinder (12) respectively;
The first solenoid valve (21), is arranged between described intakeport (14) and the suction port of described the second cylinder (12);
The second solenoid valve (22), is arranged between described exhaust outlet of compressor (13) and the suction port of described the second cylinder (12);
Slide plate (121), is arranged in described the 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 and blocks the primary importance of described slide plate (121) and dodge the second place of 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 the first liquor separator (41) is connected with described intakeport (14), and the outlet of described the first liquor separator (41) is connected with the suction port of described the first cylinder (11) and the suction port of described the second cylinder (12) respectively.
3. double-cylinder variable-capacity compressor according to claim 2, is characterized in that,
Described the first solenoid valve (21) is arranged between the outlet of described the first liquor separator (41) and the suction port of described the 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 the first liquor separator (41) is connected with described intakeport (14), and the outlet of described the first liquor separator (41) is connected with the suction port of described the first cylinder (11); The import of described the second liquor separator (42) is connected with described intakeport (14), and the outlet of described the second liquor separator (42) is connected with the suction port of described the second cylinder (12).
5. double-cylinder variable-capacity compressor according to claim 4, is characterized in that,
Described the first solenoid valve (21) is arranged between described intakeport (14) and the import of described the second liquor separator (42), described the second solenoid valve (22) one end is connected with described exhaust outlet of compressor (13), and the other end of described the second solenoid valve (22) is connected between the import and described the first solenoid valve (21) of described the second liquor separator (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201420188364.2U CN203796564U (en) | 2014-04-17 | 2014-04-17 | Double-cylinder variable-capacitance compressor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420188364.2U CN203796564U (en) | 2014-04-17 | 2014-04-17 | Double-cylinder variable-capacitance compressor |
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| CN201420188364.2U Expired - Lifetime CN203796564U (en) | 2014-04-17 | 2014-04-17 | Double-cylinder variable-capacitance compressor |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104632581A (en) * | 2014-11-28 | 2015-05-20 | 珠海格力节能环保制冷技术研究中心有限公司 | Double-cylinder two-stage compressor and air conditioner system |
| CN104747443A (en) * | 2015-03-26 | 2015-07-01 | 广东美芝制冷设备有限公司 | Double-stage compressor and refrigerating equipment with same |
| CN104763634A (en) * | 2015-04-22 | 2015-07-08 | 广东美芝制冷设备有限公司 | Double-graded compressor and refrigeration equipment with same |
| CN105020138A (en) * | 2014-04-17 | 2015-11-04 | 珠海格力节能环保制冷技术研究中心有限公司 | Two-cylinder positive displacement compressor and control method |
| CN105485012A (en) * | 2016-01-11 | 2016-04-13 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotary compressor and variable-capacitance control method thereof |
| CN105756930A (en) * | 2014-12-19 | 2016-07-13 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor |
| CN106152638A (en) * | 2015-03-30 | 2016-11-23 | 上海日立电器有限公司 | The compressor of the double reservoir of a kind of twin-tub and the compressor of the many reservoirs of multi-cylinder |
| CN106593869A (en) * | 2015-10-16 | 2017-04-26 | 珠海格力节能环保制冷技术研究中心有限公司 | Two-stage variable-capacity compressor and air conditioning system provided with same |
| CN109269052A (en) * | 2018-09-20 | 2019-01-25 | 珠海格力电器股份有限公司 | Air-conditioning system and its control method |
| US10941955B2 (en) | 2017-10-27 | 2021-03-09 | Dometic Sweden Ab | Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle |
| US11254183B2 (en) | 2017-08-25 | 2022-02-22 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
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2014
- 2014-04-17 CN CN201420188364.2U patent/CN203796564U/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105020138A (en) * | 2014-04-17 | 2015-11-04 | 珠海格力节能环保制冷技术研究中心有限公司 | Two-cylinder positive displacement compressor and control method |
| CN104632581A (en) * | 2014-11-28 | 2015-05-20 | 珠海格力节能环保制冷技术研究中心有限公司 | Double-cylinder two-stage compressor and air conditioner system |
| CN105756930A (en) * | 2014-12-19 | 2016-07-13 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor |
| CN104747443A (en) * | 2015-03-26 | 2015-07-01 | 广东美芝制冷设备有限公司 | Double-stage compressor and refrigerating equipment with same |
| CN106152638A (en) * | 2015-03-30 | 2016-11-23 | 上海日立电器有限公司 | The compressor of the double reservoir of a kind of twin-tub and the compressor of the many reservoirs of multi-cylinder |
| CN104763634A (en) * | 2015-04-22 | 2015-07-08 | 广东美芝制冷设备有限公司 | Double-graded compressor and refrigeration equipment with same |
| CN104763634B (en) * | 2015-04-22 | 2018-01-16 | 广东美芝制冷设备有限公司 | Double-stage compressor and there is its refrigeration plant |
| CN106593869A (en) * | 2015-10-16 | 2017-04-26 | 珠海格力节能环保制冷技术研究中心有限公司 | Two-stage variable-capacity compressor and air conditioning system provided with same |
| CN106593869B (en) * | 2015-10-16 | 2018-07-17 | 珠海格力节能环保制冷技术研究中心有限公司 | Twin-stage positive displacement compressor and air-conditioning system with it |
| CN105485012A (en) * | 2016-01-11 | 2016-04-13 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotary compressor and variable-capacitance control method thereof |
| US11254183B2 (en) | 2017-08-25 | 2022-02-22 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
| US11919363B2 (en) | 2017-08-25 | 2024-03-05 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
| US10941955B2 (en) | 2017-10-27 | 2021-03-09 | Dometic Sweden Ab | Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle |
| CN109269052A (en) * | 2018-09-20 | 2019-01-25 | 珠海格力电器股份有限公司 | Air-conditioning system and its control method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Granted publication date: 20140827 |
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| CX01 | Expiry of patent term |