CN102691660A - Two-stage double-cylinder compressor with high refrigeration performance - Google Patents
Two-stage double-cylinder compressor with high refrigeration performance Download PDFInfo
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- CN102691660A CN102691660A CN2011104224737A CN201110422473A CN102691660A CN 102691660 A CN102691660 A CN 102691660A CN 2011104224737 A CN2011104224737 A CN 2011104224737A CN 201110422473 A CN201110422473 A CN 201110422473A CN 102691660 A CN102691660 A CN 102691660A
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Abstract
The invention discloses a two-stage double-cylinder compressor with high refrigeration performance, and the compressor comprises a motor stator, a rotor, a crank shaft, an upper roller, a lower roller, an upper flange, an upper air cylinder, a separation plate, a lower air cylinder, a lower flange, a lower flange cover plate and a liquid distributor, wherein the crank shaft is provided with the upper roller and the lower roller which are matched with the inner cavities of the upper and lower air cylinders to work; the lower flange cover plate covers the lower end of the lower flange to form an air discharging cavity of the lower air cylinder; the upper air cylinder, the separation plate, the lower air cylinder and the lower flange are provided with two-stage compression channels which are communicated with the air discharging cavity of the lower air cylinder; the liquid distributor is provided with an air suction pipe which is respectively communicated with the upper air cylinder and the lower air cylinder; the upper flange, the upper air cylinder, the separation plate, the lower air cylinder and the lower flange are further provided with single-stage compression channels which are communicated with the air discharging cavity of the lower air cylinder; the lower flange is provided with a plunger reversing device for controlling any one of the two-stage compression channels and the single-stage compression channels to be selectively switched on/off so as to realize that the lower air cylinder selectively participates in compression work; and the air suction pipe of the upper air cylinder is further provided with a stop valve for controlling air suction to be switched on/off.
Description
[technical field]
The present invention relates to the compressor of various working condition work, relate in particular to a kind of secondary duplex cylinder compressor of high refrigeration performance.
[background technique]
Two stage compressor has improved compression ratio through twice compression, is very suitable for the low-temperature heating of heat pump water heater under the high pressure ratio condition, equally also is suitable for the air-conditioning high temperature refrigeration under the high pressure ratio condition.But under specified cooling condition, system needs the compressor low power consumption, and low compression ratio improves Energy Efficiency Ratio, but the secondary compression has produced high pressure ratio, makes the compressor power consumption high, and is unfavorable to specified refrigeration; In addition on the one hand; Two stage compressor second cylinder is air-breathing to be provided by the first cylinder exhaust; The intermittence of the corresponding exhaust of air-breathing continuity (360 degree are all air-breathing) (the 120 degree scope exhausts of only having an appointment) causes second cylinder air-breathing unsaturated, and volumetric efficiency is low; Air-conditioning system reflects the power consumption height, the phenomenon that Energy Efficiency Ratio is low.
[summary of the invention]
The present invention provides a kind of simple in structure, control convenience; Changeable as required is single cylinder single stage compression or the work of twin-tub single stage compression; Can effectively reduce power consumption; Satisfy the performance requirement of the specified refrigeration of high energy efficiency air-conditioning, again can be under other operating modes, the secondary duplex cylinder compressor of performance two stage compressor performance under low-temperature heating or high temperature refrigeration.
In order to realize the foregoing invention purpose, the technological scheme that the present invention adopts is:
A kind of secondary duplex cylinder compressor of high refrigeration performance; Comprise motor stator, rotor, bent axle, go up roller, lower roller, upper flange, upper cylinder, dividing plate, lower cylinder, lower flange, lower flange cover plate and liquor separator; Be equipped with upper and lower roller on the bent axle with upper and lower cylinder inner cavity cooperating; Lower flange cover plate lid is located at the lower end of lower flange and forms lower cylinder exhaust cavity; Offer the secondary pressure channel with the conducting of lower cylinder exhaust cavity on upper cylinder, dividing plate, lower cylinder and the lower flange, liquor separator is provided with the sucking pipe that is communicated with upper cylinder, lower cylinder respectively; Also offer single stage compression passage on upper flange, upper cylinder, dividing plate, lower cylinder and the lower flange with the conducting of lower cylinder exhaust cavity; The one of which selectivity break-make that offers control secondary pressure channel and single stage compression passage on the said lower flange is optionally participated in the plunger reversing arrangement of compression work to realize lower cylinder, also is provided with the stop valve of the air-breathing break-make of control on the sucking pipe of upper cylinder.
Said plunger reversing arrangement comprises pressure spring, plunger, pressure control pipe and is opened in the plunger hole on the lower flange; Pressure spring and plunger are installed in the plunger hole from inside to outside successively; Pressure control pipe is installed in the plunger hole port of lower flange outer rim and optionally is communicated with the high pressure side or the low voltage side of compressor; The pressure spring fixed end is provided with the low-pressure channel that is communicated with the lower cylinder intakeport in the said plunger hole, and the plunger hole middle part is provided with the inlet hole that is communicated with the lower cylinder exhaust cavity of lower flange downside; Said secondary pressure channel and single stage compression passage are offered secondary compressing hole and the single stage compression hole that is communicated with plunger hole respectively at the lower flange upside, offer alternative control inlet hole on the corresponding plunger and are communicated with circular groove with the one of which in secondary compressing hole, single stage compression hole.
Said plunger also is provided with the projection that cooperates with pressure spring with the pressure spring joint.
The invention has the beneficial effects as follows:
The present invention moves through the plunger in the pressure control pipe control lower flange plunger hole, and when pressure control pipe was pressurized gas, the plunger in the plunger hole moved to left; The exhaust passage of lower cylinder is changed; Directly pass lower cylinder, dividing plate, upper cylinder and upper flange, promptly directly arrive through the single stage compression passage and go up baffler, the stop valve on the sucking pipe of upper cylinder is opened simultaneously; After the air-breathing compression of upper cylinder; Through directly exhaust behind the lower cylinder, realize the twin-tub single stage compression, satisfy specified refrigeration demand; When pressure control pipe is low pressure; Stop valve on the sucking pipe of upper cylinder is closed simultaneously; The elastic force of pressure spring moves to right plunger, and the air intake passage of the upper cylinder of two stage compressor is opened, and promptly the secondary pressure channel connects; Make compressor recover normal two stage compressor function, satisfy the air-conditioning high temperature refrigeration of heat pump water heater under low-temperature heating under the high pressure ratio condition and high pressure ratio condition.
[description of drawings]
Fig. 1 is a structure sectional view of the present invention;
Fig. 2 is a secondary pressure channel of the present invention working principle enlarged view when connecting;
Fig. 3 is a secondary pressure channel of the present invention plunger reversing arrangement working state cutaway view Amplified image when connecting;
Fig. 4 is a single stage compression passage of the present invention plunger reversing arrangement working state cutaway view Amplified image when connecting;
Fig. 5 is the structural representation of lower flange of the present invention;
Fig. 6 is the A-A sectional view among Fig. 5;
Fig. 7 is the B-B sectional view among Fig. 5.
[embodiment]
Extremely shown in Figure 7 like Fig. 1; A kind of secondary duplex cylinder compressor of high refrigeration performance; Comprise motor stator 1, rotor 2, bent axle 3, go up roller 4, lower roller 5, upper flange 6, upper cylinder 7, dividing plate 8, lower cylinder 9, lower flange 10, lower flange cover plate 11 and liquor separator 12; Be equipped with upper and lower roller (4,5) on the bent axle 3 with upper and lower cylinder (7,9) inner chamber cooperating; Lower flange cover plate 11 lids are located at the lower end of lower flange 10 and form lower cylinder exhaust cavity 13; Offer the secondary pressure channel 14 with 13 conductings of lower cylinder exhaust cavity on upper cylinder 7, dividing plate 8, lower cylinder 9 and the lower flange 10, liquor separator 12 is provided with the sucking pipe 15 that is communicated with upper cylinder 7, lower cylinder 9 respectively; Also offer single stage compression passage 16 on upper flange 6, upper cylinder 7, dividing plate 8, lower cylinder 9 and the lower flange 10 with 13 conductings of lower cylinder exhaust cavity; Offer control secondary pressure channel 14 on the said lower flange 10 and optionally participate in the plunger reversing arrangement 17 of compression work to realize lower cylinder 9, also be provided with the stop valve 18 of the air-breathing break-make of control on the sucking pipe 15 of upper cylinder 7 with the one of which selectivity break-make of single stage compression passage 16.
Extremely shown in Figure 7 like Fig. 3; Said plunger reversing arrangement 17 comprises pressure spring 170, plunger 171, pressure control pipe 172 and is opened in the plunger hole 173 on the lower flange 10; Pressure spring 170 is installed in the plunger hole 173 with plunger 171 from inside to outside successively; Pressure control pipe 172 is installed in plunger hole 173 ports of lower flange 10 outer rims and optionally is communicated with the high pressure side or the low voltage side of compressor; Pressure spring 170 fixed ends are provided with the low-pressure channel 19 that is communicated with lower cylinder 9 intakepories in the said plunger hole 173; Also be provided with the projection 1710 that cooperates with pressure spring 170 at plunger 171 with pressure spring 170 joints, plunger hole 173 middle parts are provided with the inlet hole 20 that is communicated with the lower cylinder exhaust cavity 13 of lower flange 10 downsides; Wherein, Secondary pressure channel 14 is offered the secondary compressing hole 140 and single stage compression hole 160 that is communicated with plunger hole 173 with single stage compression passage 16 respectively at lower flange 10 upsides, offers the circular groove 1711 that alternative control inlet hole 20 is communicated with the one of which in secondary compressing hole 140, single stage compression hole 160 on the corresponding plunger 171.
During work, the plunger 171 in pressure control pipe 172 control lower flanges 10 plunger holes 173 moves, when pressure control pipe 172 is pressurized gas (as shown in Figure 4); Stop valve 18 on the sucking pipe of upper cylinder 7 is opened; Plunger 171 in the plunger hole 173 moves to left, and the exhaust passage of lower cylinder 9 is changed, the pressurized gas in the lower cylinder exhaust cavity 13; Behind the circular groove 1711 and single stage compression hole 160 of inlet hole on the lower flange 20 through plunger 171 right sides; Directly pass on lower cylinder 9, dividing plate 8, upper cylinder 7 and the upper flange 6 the single stage compression passage 16 that forms and arrive and go up baffler 21, make the air-breathing compression of upper cylinder 7 after, through lower cylinder 9 backs without the direct exhaust of compression; Realize the twin-tub single stage compression, satisfy specified refrigeration demand; When pressure control pipe 172 was low pressure, at this moment, the stop valve 18 on the sucking pipe of upper cylinder 7 was closed; The elastic force of pressure spring 170 moves to right plunger 171; The air intake passage of the upper cylinder 7 of two stage compressor is opened, and promptly secondary pressure channel 14 connects, corresponding closing being communicated with of lower cylinder exhaust cavity 13 and single stage compression passage 16; Pressurized gas in the lower cylinder exhaust cavity 13; Behind the circular groove 1711 and secondary compressing hole 140 of inlet hole on the lower flange 20 through plunger 171 left sides, the pressurized gas in the lower cylinder 9 gets into upper cylinder 7 through secondary pressure channel 14, after upper cylinder 7 secondary compression, discharges again; Make compressor recover normal two stage compressor function, satisfy the air-conditioning high temperature refrigeration of heat pump water heater under low-temperature heating under the high pressure ratio condition and high pressure ratio condition.
The above embodiment just is preferred embodiment of the present invention; Be not to limit practical range of the present invention with this; Be arranged on like opening and closing device on the lower flange of compressor, the equivalence that all shapes according to the present invention, structure and principle are done changes, and all should be covered by in protection scope of the present invention.
Claims (3)
1. the secondary duplex cylinder compressor of a high refrigeration performance; Comprise motor stator, rotor, bent axle, go up roller, lower roller, upper flange, upper cylinder, dividing plate, lower cylinder, lower flange, lower flange cover plate and liquor separator; Be equipped with upper and lower roller on the bent axle with upper and lower cylinder inner cavity cooperating; Lower flange cover plate lid is located at the lower end of lower flange and forms lower cylinder exhaust cavity; Offer the secondary pressure channel with the conducting of lower cylinder exhaust cavity on upper cylinder, dividing plate, lower cylinder and the lower flange, liquor separator is provided with the sucking pipe that is communicated with upper cylinder, lower cylinder respectively; It is characterized in that: also offer single stage compression passage on upper flange, upper cylinder, dividing plate, lower cylinder and the lower flange with the conducting of lower cylinder exhaust cavity; The one of which selectivity break-make that offers control secondary pressure channel and single stage compression passage on the said lower flange is optionally participated in the plunger reversing arrangement of compression work to realize lower cylinder, also is provided with the stop valve of the air-breathing break-make of control on the sucking pipe of upper cylinder.
2. according to the secondary duplex cylinder compressor of the said a kind of high refrigeration performance of claim 1; It is characterized in that; Said plunger reversing arrangement comprises pressure spring, plunger, pressure control pipe and is opened in the plunger hole on the lower flange; Pressure spring and plunger are installed in the plunger hole from inside to outside successively; Pressure control pipe is installed in the plunger hole port of lower flange outer rim and optionally is communicated with the high pressure side or the low voltage side of compressor, and the pressure spring fixed end is provided with the low-pressure channel that is communicated with the lower cylinder intakeport in the said plunger hole, and the plunger hole middle part is provided with the inlet hole that is communicated with the lower cylinder exhaust cavity of lower flange downside; Said secondary pressure channel and single stage compression passage are offered secondary compressing hole and the single stage compression hole that is communicated with plunger hole respectively at the lower flange upside, offer alternative control inlet hole on the corresponding plunger and are communicated with circular groove with the one of which in secondary compressing hole, single stage compression hole.
3. according to the secondary duplex cylinder compressor of the said a kind of high refrigeration performance of claim 1, it is characterized in that said plunger also is provided with the projection that cooperates with pressure spring with the pressure spring joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110422473.7A CN102691660B (en) | 2011-12-15 | 2011-12-15 | Two-stage double-cylinder compressor with high refrigeration performance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110422473.7A CN102691660B (en) | 2011-12-15 | 2011-12-15 | Two-stage double-cylinder compressor with high refrigeration performance |
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| CN102691660A true CN102691660A (en) | 2012-09-26 |
| CN102691660B CN102691660B (en) | 2014-12-24 |
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| CN201110422473.7A Active CN102691660B (en) | 2011-12-15 | 2011-12-15 | Two-stage double-cylinder compressor with high refrigeration performance |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014189093A1 (en) * | 2013-05-24 | 2014-11-27 | 三菱電機株式会社 | Heat pump device |
| CN104806524A (en) * | 2015-05-13 | 2015-07-29 | 广东美芝制冷设备有限公司 | Rotating compressor assembly |
| 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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| GB2251656A (en) * | 1990-11-21 | 1992-07-15 | Matsushita Electric Ind Co Ltd | Rotary positive displacement multi-stage compressor. |
| JP2002317784A (en) * | 2001-04-19 | 2002-10-31 | Matsushita Electric Ind Co Ltd | Rotary two-stage compressor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2014189093A1 (en) * | 2013-05-24 | 2014-11-27 | 三菱電機株式会社 | Heat pump device |
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| CN104806524A (en) * | 2015-05-13 | 2015-07-29 | 广东美芝制冷设备有限公司 | Rotating compressor assembly |
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| 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 |
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| CN102691660B (en) | 2014-12-24 |
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