CN105221424A - Rotary compressor and there is its heat pump - Google Patents
Rotary compressor and there is its heat pump Download PDFInfo
- Publication number
- CN105221424A CN105221424A CN201510737107.9A CN201510737107A CN105221424A CN 105221424 A CN105221424 A CN 105221424A CN 201510737107 A CN201510737107 A CN 201510737107A CN 105221424 A CN105221424 A CN 105221424A
- Authority
- CN
- China
- Prior art keywords
- piston
- rotary compressor
- compressor
- cylinder
- compressor according
- 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
Abstract
The invention discloses a kind of rotary compressor and there is its heat pump.Rotary compressor comprises: housing, cylinder, bent axle, piston and slide plate, and cylinder is located in housing, is provided with cylinder chamber and vane slot in cylinder.Bent axle is through cylinder chamber, and bent axle has the eccentric part being positioned at cylinder chamber.Piston is hollow-core construction, and piston jacket is on eccentric part.Slide plate is reciprocally located in vane slot slidably, and the tip of slide plate contacts with the periphery wall of piston.According to the rotary compressor of the embodiment of the present invention, piston weight can be greatly reduced, piston cost reduces, the main equilibrium block counterweight of compressor can reduce by half, reduce the eccentric mass of compressor to improve compressor reliability, also reduce the useless power consumption that high speed piston running produces simultaneously, improve compressor performance.
Description
Technical field
The present invention relates to compressor field, especially relate to a kind of rotary compressor and there is its heat pump.
Background technique
Rolling piston in compressor is in the eccentric part of bent axle, the quality of piston forms the major component of eccentric mass, the epitrochanterian counterweight of weight of piston and the centrifugal inertia force produced with the compressor eccentric mass of axis decentraction, thus affect the reliability of compressor.
The function of piston is transferring power (inner circle), pressurized gas (cylindrical), structure compression chamber (cylindrical), end face seal (upper and lower end face), changes the sliding friction of slide plate tip into rolling friction, and piston self carries out revolution and rotation produces useless power consumption, power consumption is relevant to piston weight.The weight of the piston of the compressor of correlation technique is large, price is high, unfavorable to compressor performance aspect.
Summary of the invention
The present invention is intended to solve one of technical problem in correlation technique at least to a certain extent.
For this reason, the present invention proposes a kind of rotary compressor, reduces the eccentric mass of compressor to improve compressor reliability, also reduces the useless power consumption that high speed piston running produces, improves compressor performance.
The present invention also proposes a kind of heat pump with above-mentioned rotary compressor.
According to the rotary compressor of the embodiment of the present invention, comprising: housing; Cylinder, described cylinder is located in described housing, is provided with cylinder chamber and vane slot in described cylinder; Bent axle, described bent axle is through described cylinder chamber, and described bent axle has the eccentric part being positioned at described cylinder chamber; Piston, described piston is hollow-core construction, and described piston jacket is on described eccentric part; Slide plate, described slide plate is reciprocally located in described vane slot slidably, and the tip of described slide plate contacts with the periphery wall of described piston.
According to the rotary compressor of the embodiment of the present invention, be hollow-core construction by making piston, piston weight can be greatly reduced, piston cost reduces, the main equilibrium block counterweight of compressor can reduce by half, reduce the eccentric mass of compressor to improve compressor reliability, also reduce the useless power consumption that high speed piston running produces simultaneously, improve compressor performance.
In some embodiments of the invention, described piston is corrosion resistant plate spinning goods.
In some embodiments of the invention, described piston is foundry goods.
In some embodiments of the invention, the connecting sewing synthesizing described piston is positioned at the upper chamfering of the inner circle of described piston or lower chamfering place.
In some embodiments of the invention, be filled with gas in the cavity of described piston, the pressure of described gas is between the pressure of inspiration(Pi) and exhaust pressure of described rotary compressor.
In some embodiments of the invention, described piston is provided with the through hole of the cavity be communicated with in described piston.
Further, described through hole is positioned at the connecting sewing place synthesizing described piston.
In some embodiments of the invention, described rotary compressor is high back pressure compressor in housing, and described vane slot is communicated with the space in described housing.
In some embodiments of the invention, described cylinder is one or more.
According to the heat pump of the embodiment of the present invention, comprise rotary compressor according to the above embodiment of the present invention.
According to the heat pump of the embodiment of the present invention, by being provided with above-mentioned rotary compressor, piston weight can be greatly reduced, piston cost reduces, the main equilibrium block counterweight of compressor can reduce by half, reduce the eccentric mass of compressor to improve compressor reliability, also reduce the useless power consumption that high speed piston running produces simultaneously, improve compressor performance.
Accompanying drawing explanation
Fig. 1 is the sectional drawing of the rotary compressor according to the embodiment of the present invention.
Fig. 2 is the schematic diagram of the piston according to the embodiment of the present invention;
Fig. 3 is the sectional drawing of the piston according to the embodiment of the present invention.
Reference character:
Rotary compressor 100, housing 1,
Cylinder 2, cylinder chamber 20, vane slot 21;
Bent axle 3, eccentric part 30,
Piston 4, cavity 40, through hole 41, upper chamfering 42, lower chamfering 43,
Slide plate 5,
Motor 6, rotor 60, stator 61,
Outlet pipe 7.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristics.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In describing the invention, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
Describe the rotary compressor 100 according to the embodiment of the present invention in detail below with reference to Fig. 1-Fig. 3, wherein rotary compressor 100 can be single cylinder rotary compressor or multi-cylinder rotary compressor, and namely cylinder 2 can be one or more.Will also be appreciated that rotary compressor 100 can also be low back pressure compressor in high back pressure compressor in housing or housing.
According to the rotary compressor 100 of the embodiment of the present invention, comprising: housing 1, cylinder 2, bent axle 3, piston 4 and slide plate 5.Its middle shell 1 can be provided with outlet pipe 7.In the example of fig. 1, outlet pipe 7 is communicated with the space in housing 1, and that is, the rotary compressor 100 shown in Fig. 1 is high back pressure compressor in housing.
Cylinder 2 is located in housing 1, is provided with cylinder chamber 20 and vane slot 21 in cylinder 2.Bent axle 3 is through cylinder chamber 20, and bent axle 3 has the eccentric part 30 being positioned at cylinder chamber 20.Piston 4 is hollow-core construction, that is, has cavity 40 in piston 4, is enclosed within eccentric part 30 to drive rotation by eccentric part 30 outside piston 4.As shown in Figure 3, piston 4 has inner circle wall and periphery wall, has cavity 40 between inner circle wall and periphery wall.Be understandable that, the wall thickness of piston 4 should meet piston semi-finals degree and to require and the structural design of piston 4 should meet requirement of withstand voltage (being generally the pressure reduction of air-breathing and exhaust).
Slide plate 5 is reciprocally located in vane slot 21 slidably, and the tip of slide plate 5 contacts with the periphery wall of piston 4.As shown in Figure 1, rotary compressor 100 also comprises motor 6, and motor 6 comprises stator 61 and rotor 60, and stator 61 is fixed on the inner circle wall of housing 1, and rotor 60 is located in stator 61 rotationally, is enclosed within bent axle 3 and rotates with driving crank 3 outside rotor 60.
Because the piston of existing rotary compressor generally adopts solid casting, weight is large, price is high, piston is in the eccentric part of bent axle, the quality of piston forms the major component of eccentric mass, reduces piston weight and can reduce epitrochanterian counterweight, decrease cost, decrease the centrifugal inertia force produced with the compressor eccentric mass of axis decentraction simultaneously, thus improve the reliability of compressor.On the other hand, the function of piston is transferring power (inner circle), pressurized gas (cylindrical), structure compression chamber (cylindrical), end face seal (upper and lower end face), changes the sliding friction of slide plate tip into rolling friction, and piston self carries out revolution and rotation produces useless power consumption, power consumption is relevant to piston weight, unfavorable to compressor performance aspect.
The present invention is by the design of box type piston 4, piston 4 weight can be greatly reduced (from the THICKNESS CALCULATION of existing piston, approximately can reduce the weight about half), piston 4 cost reduces, the main equilibrium block counterweight of compressor can reduce by half, simultaneously the box type piston 4 of proper wall thickness and surface treatment, keep piston semi-finals degree, hardness and wear resistance.The eccentric mass reducing compressor improves compressor reliability, also reduces compressor piston 4 simultaneously and to run up the useless power consumption produced, improve compressor performance.
According to the rotary compressor 100 of the embodiment of the present invention, by making piston 4 for hollow-core construction, piston 4 weight can be greatly reduced, piston 4 cost reduces, the main equilibrium block counterweight of compressor can reduce by half, reduce the eccentric mass of compressor to improve compressor reliability, also reduce piston 4 simultaneously and to run up the useless power consumption produced, raising compressor performance.
In some embodiments of the invention, piston 4 is corrosion resistant plate spinning goods.Particularly, piston 4 can be the smart part of technological forming half, the surface treatments such as nitriding and fine grinding, meet cylinder 2 internal differential pressure require and cylinder 2, slide plate 5 tip wear away requirement.It is appreciated of course that the processing technology of piston 4 is not limited thereto, such as piston 4 can also be foundry goods, and particularly, piston 4 can be castings of gray cast iron or powder metallurgy foundry goods.
As shown in Figure 3, the inner circle of piston 4 has upper chamfering 42 and lower chamfering 43, and further, the connecting sewing of synthesis piston 4 is positioned at upper chamfering 42 or lower chamfering 43 place of the inner circle of piston 4.Thus do not affect the assembling of piston 4 fine finishing and piston 4.
According to some embodiments of the present invention, be filled with gas in the cavity 40 of piston 4, the pressure of gas is between the pressure of inspiration(Pi) and exhaust pressure of rotary compressor 100.Be understandable that, the span of the pressure of inspiration(Pi) of rotary compressor 100 and the span of exhaust pressure are determined, the pressure of suitable gas therefore can be selected to make it between pressure of inspiration(Pi) and exhaust pressure.Preferably, the stability of gas is high, such as, pour into the stabilizing gas (such as refrigerant) of the coefficient of heat transfer than metal difference.It is appreciated of course that, can also be normal pressure in the cavity 40 of piston 4.
Preferably, as shown in Figure 2, piston 4 is provided with the through hole 41 of the cavity 40 be communicated with in piston 4, thus by arranging through hole 41, the cavity 40 of piston 4 being connected with compressor internal high pressure, suitably can reducing the requirement of withstand voltage of piston 4.As shown in Figure 2, in preferred embodiments more of the present invention, the connecting sewing place of synthesis piston 4 is provided with the through hole 41 of the cavity 40 be communicated with in piston 4, thus is convenient to the machine shaping of piston 4.
As shown in Figure 1, in some embodiments of the invention, rotary compressor 100 is high back pressure compressor in housing, and vane slot 21 is communicated with the space in housing 1, thus make the pressure in vane slot 21 be high pressure, can ensure that the tip of slide plate 5 is only against on the periphery wall of piston 4 all the time.
According to the heat pump of the embodiment of the present invention, comprise rotary compressor 100 according to the above embodiment of the present invention.Wherein heat pump can be the coolant circulating system such as air conditioner, on-board air conditioner.
According to the heat pump of the embodiment of the present invention, by being provided with above-mentioned rotary compressor 100, piston 4 weight can be greatly reduced, piston 4 cost reduces, the main equilibrium block counterweight of compressor can reduce by half, reduce the eccentric mass of compressor to improve compressor reliability, also reduce piston 4 simultaneously and to run up the useless power consumption produced, raising compressor performance.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection or each other can communication; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this specification or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (10)
1. a rotary compressor, is characterized in that, comprising:
Housing;
Cylinder, described cylinder is located in described housing, is provided with cylinder chamber and vane slot in described cylinder;
Bent axle, described bent axle is through described cylinder chamber, and described bent axle has the eccentric part being positioned at described cylinder chamber;
Piston, described piston is hollow-core construction, and described piston jacket is on described eccentric part;
Slide plate, described slide plate is reciprocally located in described vane slot slidably, and the tip of described slide plate contacts with the periphery wall of described piston.
2. rotary compressor according to claim 1, is characterized in that, described piston is corrosion resistant plate spinning goods.
3. rotary compressor according to claim 1, is characterized in that, described piston is foundry goods.
4. rotary compressor according to claim 1, is characterized in that, the connecting sewing synthesizing described piston is positioned at the upper chamfering of the inner circle of described piston or lower chamfering place.
5. rotary compressor according to claim 1, is characterized in that, is filled with gas in the cavity of described piston, and the pressure of described gas is between the pressure of inspiration(Pi) and exhaust pressure of described rotary compressor.
6. the rotary compressor according to any one of claim 1-5, is characterized in that, described piston is provided with the through hole of the cavity be communicated with in described piston.
7. rotary compressor according to claim 6, is characterized in that, described through hole is positioned at the connecting sewing place synthesizing described piston.
8. rotary compressor according to claim 1, is characterized in that, described rotary compressor is high back pressure compressor in housing, and described vane slot is communicated with the space in described housing.
9. rotary compressor according to claim 1, is characterized in that, described cylinder is one or more.
10. a heat pump, is characterized in that, comprises the rotary compressor according to any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510737107.9A CN105221424B (en) | 2015-11-02 | 2015-11-02 | Rotary compressor and there is its heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510737107.9A CN105221424B (en) | 2015-11-02 | 2015-11-02 | Rotary compressor and there is its heat pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105221424A true CN105221424A (en) | 2016-01-06 |
| CN105221424B CN105221424B (en) | 2017-12-12 |
Family
ID=54990608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510737107.9A Active CN105221424B (en) | 2015-11-02 | 2015-11-02 | Rotary compressor and there is its heat pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105221424B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464988A (en) * | 2016-02-02 | 2016-04-06 | 安徽美芝精密制造有限公司 | Bearing of compressor and compressor |
| CN105822551A (en) * | 2016-05-17 | 2016-08-03 | 广东美芝制冷设备有限公司 | Pump of compressor and compressor with pump |
| CN107165826A (en) * | 2017-06-28 | 2017-09-15 | 广东美芝制冷设备有限公司 | The pump assembly and compressor of compressor |
| CN114215753A (en) * | 2021-12-20 | 2022-03-22 | 珠海格力电器股份有限公司 | Crankshaft, pump body structure, compressor and air conditioner |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101963154A (en) * | 2009-07-23 | 2011-02-02 | 三菱电机株式会社 | Rotary compressor, its manufacture method and device |
| CN102128168A (en) * | 2010-01-15 | 2011-07-20 | 广东美芝制冷设备有限公司 | Rotation type compressor |
| CN102644597A (en) * | 2011-02-16 | 2012-08-22 | 广东美芝制冷设备有限公司 | Double-cylinder rotary compressor |
| CN203348031U (en) * | 2013-07-05 | 2013-12-18 | 杭州江东内燃机配件有限公司 | Air-conditioning variable-displacement compressor piston |
| JP2014185564A (en) * | 2013-03-22 | 2014-10-02 | Toshiba Carrier Corp | Multi-cylinder rotary compressor and refrigeration cycle device |
| CN205136001U (en) * | 2015-11-02 | 2016-04-06 | 安徽美芝精密制造有限公司 | Rotary compressor and have its heat pump system |
-
2015
- 2015-11-02 CN CN201510737107.9A patent/CN105221424B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101963154A (en) * | 2009-07-23 | 2011-02-02 | 三菱电机株式会社 | Rotary compressor, its manufacture method and device |
| CN102128168A (en) * | 2010-01-15 | 2011-07-20 | 广东美芝制冷设备有限公司 | Rotation type compressor |
| CN102644597A (en) * | 2011-02-16 | 2012-08-22 | 广东美芝制冷设备有限公司 | Double-cylinder rotary compressor |
| JP2014185564A (en) * | 2013-03-22 | 2014-10-02 | Toshiba Carrier Corp | Multi-cylinder rotary compressor and refrigeration cycle device |
| CN203348031U (en) * | 2013-07-05 | 2013-12-18 | 杭州江东内燃机配件有限公司 | Air-conditioning variable-displacement compressor piston |
| CN205136001U (en) * | 2015-11-02 | 2016-04-06 | 安徽美芝精密制造有限公司 | Rotary compressor and have its heat pump system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464988A (en) * | 2016-02-02 | 2016-04-06 | 安徽美芝精密制造有限公司 | Bearing of compressor and compressor |
| CN105822551A (en) * | 2016-05-17 | 2016-08-03 | 广东美芝制冷设备有限公司 | Pump of compressor and compressor with pump |
| CN107165826A (en) * | 2017-06-28 | 2017-09-15 | 广东美芝制冷设备有限公司 | The pump assembly and compressor of compressor |
| CN114215753A (en) * | 2021-12-20 | 2022-03-22 | 珠海格力电器股份有限公司 | Crankshaft, pump body structure, compressor and air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105221424B (en) | 2017-12-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105221424A (en) | Rotary compressor and there is its heat pump | |
| CN104963868A (en) | Rotary compressor and crankshaft thereof | |
| CN104976123A (en) | Multi-cylinder rotary compressor | |
| CN205533224U (en) | Rotary compressor's pump body subassembly and have its rotary compressor | |
| CN103746473A (en) | Motor for compressor and compressor with motor | |
| JP2014196714A (en) | Multicylinder rotary compressor | |
| CN205136001U (en) | Rotary compressor and have its heat pump system | |
| CN205036580U (en) | Multi -cylinder rotary compressor | |
| CN105041650A (en) | Double-cylinder rotary compressor | |
| CN203500015U (en) | Crankshaft for rotary compressor and rotary compressor with crankshaft | |
| CN105201844A (en) | Rotary compressor | |
| CN204941960U (en) | For rotary compressor compressing mechanism and there is its rotary compressor | |
| CN105736372B (en) | Rotary compressor | |
| CN205036576U (en) | Double -cylinder rotary compressor | |
| CN205089618U (en) | Multi -cylinder rotary compressor | |
| CN105201845A (en) | Rotary compressor | |
| CN204627984U (en) | Compression mechanical part and there is its twin-tub rotation-type compressor | |
| CN105257508A (en) | Crankshaft for compressor and compressor with crankshaft | |
| CN205911852U (en) | Rotor for motor, motor and compressor | |
| CN205089614U (en) | Rotary compressor | |
| CN105003526B (en) | Rotary compressor and its crankshaft | |
| CN105114312A (en) | Double-cylinder rotating compressor | |
| CN204900249U (en) | Double -cylinder rotary compressor | |
| CN208845360U (en) | Twin-tub rotation-type compressor and crankshaft for twin-tub rotation-type compressor | |
| CN204532830U (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 |