CN202326244U - Rotary compressor and air conditioner - Google Patents

Rotary compressor and air conditioner Download PDF

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Publication number
CN202326244U
CN202326244U CN 201120516231 CN201120516231U CN202326244U CN 202326244 U CN202326244 U CN 202326244U CN 201120516231 CN201120516231 CN 201120516231 CN 201120516231 U CN201120516231 U CN 201120516231U CN 202326244 U CN202326244 U CN 202326244U
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CN
China
Prior art keywords
slide plate
chamber
cylinder
rotary compressor
vane slot
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN 201120516231
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Chinese (zh)
Inventor
余冰
李志鹏
王伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhuhai Gree Energy Saving Environmental Protection Refrigeration Technology Research Center Co Ltd
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Zhuhai Gree Energy Saving Environmental Protection Refrigeration Technology Research Center Co Ltd
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Filing date
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Priority to CN 201120516231 priority Critical patent/CN202326244U/en
Application granted granted Critical
Publication of CN202326244U publication Critical patent/CN202326244U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model provides a rotary compressor and an air conditioner. The rotary compressor comprises a first air cylinder, a second air cylinder and a control mechanism, wherein the second air cylinder is provided with a sliding sheet groove and an air suction hole; a sliding sheet is arranged in the sliding sheet groove; the air suction hole is positioned in the first side of the sliding sheet; the control mechanism is arranged inside the second air cylinder and comprises a first chamber and/or a second chamber; the first chamber is formed on the first side of the sliding sheet facing the air suction hole; the second chamber is formed on the second side of the sliding sheet which is away from the air suction hole; the first chamber on the first side of the sliding sheet groove is communicated with the air suction hole and the sliding groove respectively; and the second chamber on the second side of the sliding sheet which is away from the air suction hole is communicated with a valve chamber positioned at the first end of the sliding sheet and the sliding groove respectively. The rotary compressor has a simple structure, and the capacity of the compressor can be changed reliably.

Description

Rotary compressor and air conditioner
Technical field
The utility model relates to the Compressor Technology field, in particular to a kind of rotary compressor and air conditioner.
Background technique
Rotary compressor of the prior art, its enclosure interior is made up of electric machine assembly and pump assembly.As shown in Figure 1; Pump assembly provides power through bent axle by motor, and bent axle is provided with two eccentric parts, and first roller (piston) and second roller are installed respectively on the eccentric part; Roller is under bent axle drives; First slide plate 11 ' is loaded onto in motion in first cylinder 10 ' and second cylinder 20 ' respectively respectively in the cylinder and second slide plate, 21 ', the first slide plate, 11 ' afterbody is equipped with spring 12 '; Make first slide plate 11 ' and first roller keep in touch state constantly, second slide plate, 21 ' afterbody cavity and compressor cavity are connected.
Behind compressor start, because first slide plate 11 ' closely contacts with first roller, both are divided into air aspiration cavity and compression chamber with first cylinder, 10 ' inner space jointly; Rotation along with first roller; That first cylinder 10 ' constantly carries out is air-breathing, compression, exhaust, in the enclosure interior cavity, has formed high pressure, and second slide plate, 21 ' front end is in the air inlet low-pressure state; Afterbody is in the high pressure gas; Under the effect of pressure at two ends difference, second slide plate 21 ' and second roller also are in tight contact condition, and two cylinders of compressor begin to work simultaneously.
Above-mentioned frequency-changeable compressor increases because pump housing internal gas is revealed when low frequency is moved, and electric efficiency reduces simultaneously, and compressor COP (coefficient of performance) descends rapidly, has limited the limit of power of compressor.Thereby can switching through single twin-tub running, the varying capacity frequency-changeable compressor realizes that the different air displacemenies switchings of compressor obtain bigger limit of power; Running is compared with the twin-tub low frequency; Adopt the single cylinder high frequency to operate at and reach when hanging down refrigeration (or heating) ability; Can obtain higher energy efficiency, adopt the running of twin-tub high frequency then can obtain (heating) ability of freezing rapidly.
The model utility content
The utility model aims to provide a kind of have rotary compressor and air conditioner simple in structure, as to realize reliable transfiguration.
To achieve these goals, an aspect according to the utility model provides a kind of rotary compressor; Comprise: first cylinder and second cylinder, second cylinder has vane slot and suction port, is provided with slide plate in the vane slot; Suction port is positioned at first side of slide plate; Rotary compressor also comprises: control mechanism, be arranged on the inside of second cylinder, and control mechanism comprises: first chamber and/or second chamber; First chamber is arranged on first side of slide plate towards suction port; Second chamber is arranged on second side that slide plate deviates from suction port, and first chamber that is arranged on slide plate first side is communicated with suction port and vane slot, and second chamber that is arranged on second side that deviates from suction port is communicated with valve chamber that is arranged on the vane slot end and vane slot.
Further, be provided with magnetic part in the enclosure interior of second cylinder, magnetic part is positioned at second side that deviates from suction port of slide plate.
Further, the distance between magnetic part and the vane slot is greater than or equal to 0.2mm.
Further, magnetic part is a magnet.
Further, magnetic part corresponds to satisfied following formula: the F of magnetic force of slide plate B=Δ P*S, wherein, F BBe the magnetic force of magnetic part, Δ P is first side of slide plate and the pressure difference between second side, and S is first chamber or second chamber opening area towards vane slot.
Further, the active force of magnetic part and slide plate satisfies formula: μ * F B>K* Δ P 1* S 1, wherein, μ is the friction factor of slide plate and vane slot, Δ P 1Be the gas pressure difference of the compressor chamber and second cylinder interior, S 1Be the end area of slide plate, K is safety coefficient and K>=1.5.
Further, valve chamber is communicated with the cylinder inner cavity of second cylinder, second roller of second end of slide plate in second cylinder.
Another aspect according to the utility model; A kind of air conditioner is provided; Comprise rotary compressor and liquor separator; Rotary compressor be above-mentioned in each rotary compressor, rotary compressor has outlet pipe, outlet pipe links to each other with the suction tude of second cylinder of rotary compressor through three-way valve.
Further, liquor separator has first outlet and second outlet, and first outlet links to each other with first cylinder of rotary compressor through first bend pipe of giving vent to anger, and second exports through second bend pipe of giving vent to anger and link to each other with three-way valve.
In the technological scheme of the utility model; Rotary compressor comprises: first cylinder and second cylinder, and second cylinder has vane slot and suction port, is provided with slide plate in the vane slot; Suction port is positioned at first side of slide plate; Rotary compressor also comprises: control mechanism, be arranged on the inside of second cylinder, and control mechanism comprises: first chamber and/or second chamber; First chamber is arranged on first side of slide plate towards suction port; Second chamber is arranged on second side that slide plate deviates from suction port, and first chamber that is arranged on slide plate first side is communicated with suction port and vane slot, and second chamber that is arranged on second side that deviates from suction port is communicated with valve chamber that is arranged on the vane slot end and vane slot.
The rotary compressor of the utility model; Offer first chamber that is communicated with vane slot at slide plate towards first side of suction port or second side that deviates from suction port; Offer second chamber that is communicated with vane slot at opposition side; Making a concerted effort of the active force that slide plate is produced through the gas in first chamber and second chamber, slide plate is rested in the vane slot or with second roller contact, and then control the working state of second cylinder.The rotary compressor of the utility model is simple in structure, can realize that compressor changes capacity reliably.
Description of drawings
The Figure of description that constitutes the application's a part is used to provide the further understanding to the utility model, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 shows the cross-sectional schematic of rotary compressor of the prior art;
Fig. 2 shows embodiment one the cross-sectional schematic of second cylinder of the rotary compressor of the utility model;
Fig. 3 shows embodiment two the cross-sectional schematic of second cylinder of the rotary compressor of the utility model;
Fig. 4 shows embodiment three first working state schematic representation of second cylinder of the rotary compressor of the utility model;
Fig. 5 shows second working state schematic representation of second cylinder of the rotary compressor of Fig. 4;
Fig. 6 shows embodiment's the schematic representation of first working state of rotary compressor of the air conditioner of the utility model, wherein shows the gas flow under first working state;
Fig. 7 shows embodiment's the schematic representation of second working state of rotary compressor of the air conditioner of the utility model, wherein shows the gas flow under second working state.
Embodiment
Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.Below with reference to accompanying drawing and combine embodiment to specify the utility model.
Referring to Fig. 2, as can be seen from the figure, embodiment one rotary compressor comprises: first cylinder and second cylinder 20; Wherein, second cylinder 20 has vane slot and suction port 29, is provided with slide plate 21 in the vane slot; Suction port 29 is positioned at first side of slide plate 21; Rotary compressor also comprises: control mechanism, and this control mechanism is arranged on the inside of second cylinder 20, comprising: first chamber 22; First chamber 22 is arranged on first side of slide plate 21 towards suction port 29, and first chamber 22 that is arranged on slide plate 21 first sides is communicated with suction port 29 and vane slot.
Referring to Fig. 3, as can be seen from the figure, embodiment two rotary compressor comprises: first cylinder and second cylinder 20; Wherein, second cylinder 20 has vane slot and suction port 29, is provided with slide plate 21 in the vane slot; Suction port 29 is positioned at first side of slide plate 21; Rotary compressor also comprises: control mechanism, and this control mechanism is arranged on the inside of second cylinder 20, comprising: second chamber 23; Second chamber 23 is arranged on second side that slide plate 21 deviates from suction port 29, and second chamber 23 that is arranged on second side that deviates from suction port 29 is communicated with valve chamber that is arranged on the vane slot end 26 and vane slot.
Referring to Fig. 4, as can be seen from the figure, embodiment three rotary compressor comprises: first cylinder and second cylinder 20; Wherein, second cylinder 20 has vane slot and suction port 29, is provided with slide plate 21 in the vane slot; Suction port 29 is positioned at first side of slide plate 21; Rotary compressor also comprises: control mechanism, and this control mechanism is arranged on the inside of second cylinder 20, comprising: first chamber 22 and second chamber 23; First chamber 22 is arranged on first side of slide plate 21 towards suction port 29; First chamber 22 that is arranged on slide plate 21 first sides is communicated with suction port 29 and vane slot, and second chamber 23 is arranged on second side that slide plate 21 deviates from suction port 29, and second chamber 23 that is arranged on second side that deviates from suction port 29 is communicated with valve chamber that is arranged on the vane slot end 26 and vane slot.
The rotary compressor of the foregoing description; Making a concerted effort of the active force that slide plate 21 is produced through the gas in first chamber 22 and/or second chamber 23; Slide plate 21 is rested in the vane slot or with second roller 25 contact, and then control the working state of second cylinder 20.The rotary compressor of the utility model is simple in structure, can realize that compressor changes capacity reliably.
Preferably, rotary compressor also comprises magnetic part 24, and magnetic part 24 is arranged on the enclosure interior of second cylinder 20 and is positioned at second side of slide plate 21.In the rotary compressor of present embodiment, gas and 24 pairs of slide plates 21 of magnetic part in first chamber 22 produce directed force F respectively B1And F B, and through power F B1With power F BThe position of making a concerted effort to control slide plate 21 control the working state of second cylinder 20, this can make slide plate 21 produce with vane slot with joint efforts and contact, increase or minimizing slide plate 21 and vane slot between frictional force; When slide plate 21 is positioned at vane slot fully, when frictional force greater than the two ends of slide plate 21 stressed make a concerted effort the time, slide plate 21 is close in the vane slot; Break away from second roller 25; The compression chamber 28 of second cylinder 20 connects with air aspiration cavity 27, and second cylinder 20 is in idling conditions, and first cylinder works independently; When frictional force less than the two ends of slide plate 21 stressed make a concerted effort the time, slide plate 21 closely contact with second roller 25, second cylinder 20 is in running order, realizes and works first cylinder time.
To shown in Figure 5, when control mechanism was two chambers, first chamber 22 and second chamber 23 were separately positioned on the both sides of slide plate 21 like Fig. 4.First chamber 22 is positioned at first side of slide plate 21 near suction port 29, is communicated with respectively with suction port 29 and vane slot, forms low pressure chamber; When second chamber 23 is positioned at second side that slide plate 21 deviates from suction port 29, be communicated with respectively with valve chamber 26 and vane slot, form hyperbaric chamber.This set makes slide plate 21 in directed force F B1And F BThe directed force F of the outer gas to second chamber 23 that also arrived B2, can better control the stress of slide plate 21, slide plate 21 is rested in the vane slot or with second roller contact.
According to the embodiment of the utility model, a kind of air conditioner also is provided, comprise rotary compressor and liquor separator.Rotary compressor in the air conditioner of present embodiment is connected with outlet pipe 1 and liquor separator 2 when work; On the liquor separator 2 the first bend pipe 4a that gives vent to anger links to each other with first cylinder 10, and the bend pipe 4b that gives vent to anger of second on the bypass tube 3 on the outlet pipe on 1, the liquor separator 2 all is communicated with three-way valve 6 with the suction tude 5 of second cylinder 20.As shown in Figure 6, when rotary compressor carries out the single cylinder state to the switching of twin-tub state, regulate three-way valve 6, make second give vent to anger bend pipe 4b and suction tude 5 connections, bypass tube 3 ends; At this moment, first cylinder 10 is in running order, makes the compressor space form high back pressure; In the cylinder inner cavity of second cylinder 20 and the low pressure chamber is low-pressure admission, and valve chamber 26 is interior with hyperbaric chamber to be high pressure gas; The high and low pressure intracavity gas acts on the (F that makes a concerted effort to slide plate 21 B1-F B2) and the directed force F of 24 pairs of slide plates 21 of magnetic part BIn the opposite direction, cancel each other the stressed F of slide plate 21 first ends AMuch larger than the stressed F of second end aAt F A, F a, F B, F B1And F B2Under the acting in conjunction, slide plate 21 closely contacts with second roller 25 of second cylinder interior 20, makes second cylinder 20 form working staties, realizes that first cylinder 10 and second cylinder 20 are simultaneously in running order.
As shown in Figure 7, when rotary compressor carries out the twin-tub state to single cylinder state switchover operation, regulate three-way valve 6, bypass tube 3 and suction tude 5 are connected, the second bend pipe 4b that gives vent to anger ends; Be all high pressure gas in inner chamber, low pressure chamber, valve chamber 26 and the hyperbaric chamber of second cylinder at this moment; After slide plate 21 got into vane slot fully, the gas in low pressure chamber and the hyperbaric chamber satisfied F to the active force of slide plate 21 B1-F B2≈ 0, and first end of slide plate 21 and second end be stressed to satisfy F A≈ F a, slide plate 21 is in the directed force F of magnetic part 24 BEffect under, be close on the sidewall of vane slot, break away from second roller 25, compression chamber 28 and air aspiration cavity 27 are connected, second cylinder is in idling conditions, realizes working independently of first cylinder.
In the present embodiment, the distance between magnetic part 23 and the vane slot is greater than or equal to 0.2mm.Preferably, magnetic part 24 is selected magnet for use, and is with low cost, easy to use.When single cylinder moved, the magnetic force that magnetic part 24 corresponds to slide plate 21 satisfied following formula: F B=Δ P*S, wherein, F BBe the magnetic force of magnetic part 24, Δ P is first side of slide plate 21 and the pressure difference between second side, and S is first chamber 22 or second chamber 23 opening area towards vane slot.On the other hand, when twin-tub moved, magnetic part 24 satisfied formula with the active force of slide plate 21: μ * F B>K* Δ P 1* S 1, wherein, μ is the friction factor of slide plate 21 and vane slot, Δ P 1Be the gas pressure difference of the compressor chamber and second cylinder interior, S 1Be the end area of slide plate 21, K is a safety coefficient, K>=1.5.This set can farthest reduce 24 pairs of slide plates 21 of magnetic part in the influence in when motion, can guarantee that slide plate 21 can rest in the vane slot when static reliably simultaneously.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.

Claims (9)

1. rotary compressor comprises:
First cylinder (10) and second cylinder (20), said second cylinder (20) have vane slot and suction port (29), are provided with slide plate (21) in the said vane slot, and said suction port (29) is positioned at first side of said slide plate (21),
It is characterized in that said rotary compressor also comprises:
Control mechanism is arranged on the inside of said second cylinder (20), and said control mechanism comprises:
First chamber (22) and/or second chamber (23); Said first chamber (22) is arranged on first side of said slide plate (21) towards said suction port (29); Said second chamber (23) is arranged on second side that said slide plate (21) deviates from said suction port (29); First chamber (22) that is arranged on said slide plate (21) first sides is communicated with said suction port (29) and said vane slot, is arranged on second chamber (23) that said slide plate (21) deviates from second side of suction port (29) and is communicated with valve chamber that is arranged on the vane slot end (26) and said vane slot.
2. rotary compressor according to claim 1 is characterized in that, is provided with magnetic part (24) in the enclosure interior of said second cylinder (20), and said magnetic part (24) is positioned at second side that deviates from said suction port (29) of said slide plate (21).
3. rotary compressor according to claim 2 is characterized in that, the distance between said magnetic part (24) and the said vane slot is greater than or equal to 0.2mm.
4. rotary compressor according to claim 3 is characterized in that, said magnetic part (24) is a magnet.
5. rotary compressor according to claim 4 is characterized in that, the magnetic force that said magnetic part (24) corresponds to said slide plate (21) satisfies following formula:
F B=ΔP*S,
Wherein, said F BBe the magnetic force of said magnetic part (24), said Δ P is first side of slide plate (21) and the pressure difference between second side, and said S is said first chamber (22) or said second chamber (23) opening area towards said vane slot.
6. rotary compressor according to claim 4 is characterized in that, said magnetic part (24) satisfies formula with the active force of said slide plate (21):
μ*F B>K*ΔP 1*S 1
Wherein, said μ is the friction factor of slide plate (21) and vane slot, said Δ P 1Be the gas pressure difference of the compressor chamber and second cylinder interior, said S 1Be the end area of slide plate (21), said K is safety coefficient and K>=1.5.
7. rotary compressor according to claim 1 is characterized in that, said valve chamber (26) is communicated with the cylinder inner cavity of second cylinder, second roller (25) of second end of said slide plate (21) in said second cylinder (20).
8. air conditioner; Comprise rotary compressor and liquor separator (2); It is characterized in that; Said rotary compressor is each described rotary compressor in the claim 1 to 7, and said rotary compressor has outlet pipe (1), and said outlet pipe (1) links to each other with the suction tude (5) of second cylinder (20) of said rotary compressor through three-way valve (6).
9. air conditioner according to claim 8; It is characterized in that; Said liquor separator (2) has first outlet and second outlet; Said first outlet links to each other with first cylinder (10) of said rotary compressor through first bend pipe (4a) of giving vent to anger, and said second exports through second bend pipe (4b) of giving vent to anger and link to each other with said three-way valve (6).
CN 201120516231 2011-12-12 2011-12-12 Rotary compressor and air conditioner Expired - Lifetime CN202326244U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201120516231 CN202326244U (en) 2011-12-12 2011-12-12 Rotary compressor and air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201120516231 CN202326244U (en) 2011-12-12 2011-12-12 Rotary compressor and air conditioner

Publications (1)

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CN202326244U true CN202326244U (en) 2012-07-11

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103161729A (en) * 2011-12-12 2013-06-19 珠海格力节能环保制冷技术研究中心有限公司 A rotary compressor and an air conditioner
CN103511264A (en) * 2013-08-01 2014-01-15 广东美芝制冷设备有限公司 Rotary compressor
CN106089706A (en) * 2016-08-15 2016-11-09 珠海格力节能环保制冷技术研究中心有限公司 Rotary type compressor pump body provided therewith assembly and rotary compressor

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103161729A (en) * 2011-12-12 2013-06-19 珠海格力节能环保制冷技术研究中心有限公司 A rotary compressor and an air conditioner
CN103161729B (en) * 2011-12-12 2015-10-28 珠海格力节能环保制冷技术研究中心有限公司 Rotary compressor and air conditioner
CN103511264A (en) * 2013-08-01 2014-01-15 广东美芝制冷设备有限公司 Rotary compressor
CN103511264B (en) * 2013-08-01 2016-03-16 广东美芝制冷设备有限公司 Rotary compressor
CN106089706A (en) * 2016-08-15 2016-11-09 珠海格力节能环保制冷技术研究中心有限公司 Rotary type compressor pump body provided therewith assembly and rotary compressor
CN106089706B (en) * 2016-08-15 2018-03-30 珠海格力节能环保制冷技术研究中心有限公司 Rotary type compressor pump body provided therewith component and rotary compressor

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GR01 Patent grant
C14 Grant of patent or utility model
CX01 Expiry of patent term

Granted publication date: 20120711

CX01 Expiry of patent term