CN107013461B - Compressor and refrigerating system - Google Patents

Compressor and refrigerating system Download PDF

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Publication number
CN107013461B
CN107013461B CN201710393001.0A CN201710393001A CN107013461B CN 107013461 B CN107013461 B CN 107013461B CN 201710393001 A CN201710393001 A CN 201710393001A CN 107013461 B CN107013461 B CN 107013461B
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China
Prior art keywords
cylinder
compressor
liquid storage
storage cavity
partition plate
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Active
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CN201710393001.0A
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Chinese (zh)
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CN107013461A (en
Inventor
林少坤
陈振华
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Guangdong Meizhi Compressor Co Ltd
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Guangdong Meizhi Compressor Co Ltd
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Priority to CN201710393001.0A priority Critical patent/CN107013461B/en
Publication of CN107013461A publication Critical patent/CN107013461A/en
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Publication of CN107013461B publication Critical patent/CN107013461B/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
    • F04C18/356—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/0092—Removing solid or liquid contaminants from the gas under pumping, e.g. by filtering or deposition; Purging; Scrubbing; Cleaning
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/10—Stators

Abstract

The invention discloses a compressor and a refrigeration system, wherein the compressor comprises: the bearing assembly comprises a cylinder, an upper bearing and a lower bearing, wherein the cylinder, the upper bearing and the lower bearing define a cylinder chamber; the partition plate is arranged in the cylinder cavity to divide the cylinder cavity into a compression cavity and a first liquid storage cavity, an air inlet of the compressor is communicated with the first liquid storage cavity, and the first liquid storage cavity is communicated with the compression cavity. The liquid storage cavity of the compressor is arranged inside the compressor, so that the volume of the compressor is greatly reduced, and the space occupied by the compressor is reduced.

Description

Compressor and refrigerating system
Technical Field
The invention relates to the technical field of refrigeration, in particular to a compressor and a refrigeration system.
Background
The cylinder and the lower bearing of the compressor in the related art are cast structures, and the cast structures have poor weldability, so that parts cannot be well welded thereon. In addition, the compressor in the related art is not compact enough, is large in volume, and needs to occupy a large installation space.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the invention provides the compressor, the liquid storage cavity of the compressor is arranged inside the compressor, the volume of the compressor is greatly reduced, and the space occupied by the compressor is reduced.
The invention also provides a refrigerating system with the compressor.
The compressor according to the present invention comprises: the bearing assembly comprises a cylinder, an upper bearing and a lower bearing, wherein the cylinder, the upper bearing and the lower bearing define a cylinder chamber; the partition plate is arranged in the cylinder cavity to divide the cylinder cavity into a compression cavity and a first liquid storage cavity, an air inlet of the compressor is communicated with the first liquid storage cavity, and the first liquid storage cavity is communicated with the compression cavity.
According to the compressor, the cylinder cavity is divided into the first liquid storage cavity and the compression cavity by the partition plate, and the first liquid storage cavity is arranged inside the compressor, so that the volume of the compressor is greatly reduced, and the compressor is prevented from occupying a large amount of installation space.
According to an embodiment of the present invention, the partition plate extends in the circumferential direction and is spaced apart from the inner circumferential surface of the cylinder to define the first reservoir chamber, which is disposed outside the compression chamber.
According to one embodiment of the invention, the partition plate is configured in a ring shape and has a partition plate notch, and the inner side surface of the cylinder is provided with a cylinder boss matched with the partition plate notch, and the cylinder boss is provided with a slide piece mounting groove.
According to an embodiment of the present invention, a cylinder through hole communicating with an intake port of the compressor is provided on the cylinder, a partition plate through hole communicating the first reservoir chamber and the compression chamber is provided on the partition plate, and the cylinder through hole and the partition plate through hole are spaced apart by the cylinder boss.
According to one embodiment of the invention, the partition plate comprises: the upper side plate and the lower side plate are respectively arranged at the upper end and the lower end of the vertical plate and extend outwards;
the vertical plate is spaced apart from an inner circumferential surface of the cylinder, the upper side plate is fixed to the upper bearing, and the lower side plate is fixed to the lower bearing.
According to one embodiment of the invention, the cylinder, the partition plate, the upper bearing and the lower bearing are all made of steel.
According to one embodiment of the invention, the cylinder is made of a profiled steel tube and the partition plate is made of rectangular steel bends.
According to an embodiment of the present invention, the compressor further comprises: the neck shell is arranged below the lower bearing and limits a second liquid storage cavity for the lower bearing, and the first liquid storage cavity is communicated with the second liquid storage cavity.
According to an embodiment of the present invention, the compressor further comprises: the neck hollow shell is arranged below the lower bearing and defines a second liquid storage cavity with the lower bearing, and the first liquid storage cavity is communicated with the second liquid storage cavity;
the first liquid storage cavity is communicated with the second liquid storage cavity through a first communicating hole and a second communicating hole, the first through hole is close to the cylinder through hole, and the second communicating hole is close to the partition plate through hole.
The refrigeration system comprises the compressor, and the refrigeration system has a compact structure and occupies a small space because the refrigeration system comprises the compressor.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of a compressor according to an embodiment of the present invention;
FIG. 2 is a schematic view of a divider plate according to an embodiment of the present invention;
FIG. 3 is a schematic view of a cylinder according to an embodiment of the present invention;
FIG. 4 is a schematic view of a cylinder in cooperation with a divider plate according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view of a cylinder mated with a divider plate in accordance with an embodiment of the present invention;
FIG. 6 is a schematic view of the mating of the cylinder, lower bearing and neck shell according to one embodiment of the present invention;
FIG. 7 is a schematic view of the mating of the cylinder, lower bearing and neck shell according to another embodiment of the present invention.
Reference numerals:
the compressor (100) is provided with a compressor,
a cylinder 110, a cylinder boss 111, a slide-plate mounting groove 104, a cylinder through-hole 105,
the combination of the upper bearing 120, the lower bearing 130,
a partition plate 140, a vertical plate 141, an upper plate 142, a lower plate 143, a partition plate through-hole 144,
the neck part is made of a hollow shell 150,
a compression chamber 101, a first reservoir 102, a partition plate notch 103, a second reservoir 106, an air inlet 107, a first communication hole 108, and a second communication hole 109.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The compressor 100 according to the embodiment of the present invention will be described in detail with reference to fig. 1 to 7.
As shown in fig. 1, a compressor 100 according to an embodiment of the present invention may include a cylinder 110, an upper bearing 120, a lower bearing 130, and a partition plate 140.
Wherein the cylinder 110, the upper bearing 120 and the lower bearing 130 define a cylinder chamber, the partition plate 140 is disposed in the cylinder chamber to partition the cylinder chamber into the compression chamber 101 and the first reservoir chamber 102, the intake port 107 of the compressor 100 communicates with the first reservoir chamber 102, and the first reservoir chamber 102 communicates with the compression chamber 101.
The refrigerant first enters the first reservoir 102 from the inlet 107 of the compressor 100, and after gas-liquid separation in the first reservoir 102, the refrigerant gas enters the compression chamber 101 from the first reservoir 102.
The eccentric shaft and the piston are arranged in the compression cavity 101 and are used for compressing the gaseous refrigerant in the compression cavity 101; the first liquid storage cavity 102 can separate liquid in the refrigerant, and liquid impact caused by the liquid entering the compression cavity 101 is avoided.
Unlike the traditional liquid storage device arranged outside the compressor body, the cylinder chamber is divided into the compression cavity 101 and the first liquid storage cavity 102 by the partition plate 140, the first liquid storage cavity 102 is arranged inside the compressor, and the function of the first liquid storage cavity 102 is the same as that of the traditional liquid storage device.
Because first fluid storage chamber 102 is disposed inside compressor 100, the volume of compressor 100 is greatly reduced, and compressor 100 is prevented from occupying a large amount of installation space.
According to the compressor 100 of the embodiment of the invention, the cylinder chamber is divided into the first liquid storage chamber 102 and the compression chamber 101 by the partition plate 140, and the first liquid storage chamber 102 is arranged inside the compressor 100, so that the volume of the compressor 100 is greatly reduced, and the compressor 100 is prevented from occupying a large amount of installation space.
In some embodiments of the present invention, as shown in fig. 1-2, 4-7, the partition plate 140 extends in the circumferential direction and is spaced apart from the inner circumferential surface of the cylinder 110 to define the first reservoir chamber 102, and the first reservoir chamber 102 is disposed outside the compression chamber 101. That is, the first reservoir chamber 102 is constructed in a ring-shaped or arc-shaped structure, and the compression chamber 101 is disposed inside the first reservoir chamber 102.
Specifically, the partition plate 140 is configured in a ring shape and has a partition plate notch 103, an inner side surface of the cylinder 110 is provided with a cylinder boss 111 fitted with the partition plate notch 103, and the cylinder boss 111 is provided with a vane mounting groove 104. Because the periphery of the compression cavity 101 is provided with the first liquid storage cavity 102, in order to facilitate the matching of the slide sheet on the cylinder 110 and the piston to compress the refrigerant gas, the cylinder 110 is provided with a cylinder bulge 111 on the inner side surface, and the cylinder bulge 111 extends inwards.
Further, as shown in fig. 5, a cylinder through hole 105 communicating with an intake port 107 of the compressor 100 is provided on the cylinder 110, a partition plate through hole 144 communicating the first reservoir chamber 102 with the compression chamber 101 is provided on the partition plate 140, and the cylinder through hole 105 and the partition plate through hole 144 are spaced apart by a cylinder boss 111.
That is, the refrigerant introduced into the first reservoir 102 from the cylinder through hole 105 must completely pass through the space of the first reservoir 102 before entering the compression chamber 101 from the partition plate through hole 144. Therefore, the path of the refrigerant in the first liquid storage cavity 102 is lengthened, the gas-liquid separation effect of the first liquid storage cavity 102 is improved, and the gas-liquid separation efficiency of the first liquid storage cavity 102 is higher.
In some embodiments of the present invention, as shown in fig. 2, the separation plate 140 is configured in an "n" shape, and the separation plate 140 includes a vertical plate 141, an upper side plate 142, and a lower side plate 143, wherein the upper side plate 142 is disposed at an upper end of the vertical plate 141 and extends outward, and the lower side plate 143 is disposed at a lower end of the vertical plate 141 and extends outward.
The vertical plate 141 is spaced apart from the inner circumferential surface of the cylinder 110, the upper side plate 142 is fixed to the upper bearing 120, and the lower side plate 143 is fixed to the lower bearing 130. Alternatively, the upper side plate 142 is welded to the upper bearing 120, and the lower side plate 143 is welded to the lower bearing 130.
In some embodiments of the present invention, the outer circumferential edge of the upper side plate 142 and the outer circumferential edge of the lower side plate 143 are welded and fixed to the inner circumferential surface of the cylinder 110, respectively.
In some embodiments of the present invention, the cylinder 110, the partition plate 140, the upper bearing 120, and the lower bearing 130 are made of steel. Thereby, the welding performance of the cylinder 110, the partition plate 140, the upper bearing 120 and the lower bearing 130 is improved, and the welding therebetween is more firm and easy.
Further, the cylinder 110 is made of a special-shaped steel pipe, and the partition plate 140 is bent from rectangular steel. Because the special-shaped steel pipe and the rectangular steel are standard parts, the cylinder 110 and the partition plate 140 are easy to form, and the production efficiency of the cylinder 110 and the partition plate 140 is improved.
In some embodiments of the present invention, as shown in fig. 6-7, the compressor 100 further includes a neck shell 150, the neck shell 150 being disposed below the lower bearing 130 and defining the second reservoir 106 with the lower bearing 130, the first reservoir 102 being in communication with the second reservoir 106. The volume of the liquid storage cavity is increased by the second liquid storage cavity 106, and the first liquid storage cavity 102 and the second liquid storage cavity 106 can better perform gas-liquid separation on the refrigerant.
The shape of the neck shell 150 is not limited in the present invention, as long as the second reservoir chamber 106 is defined between the neck shell 150 and the lower bearing 130.
The first liquid storage cavity 102 and the second liquid storage cavity 106 can be communicated through a first communication hole 108 and a second communication hole 109, refrigerant gas can enter the second liquid storage cavity 106 from the first liquid storage cavity 102 through the first communication hole 108, and after gas-liquid separation is carried out on the refrigerant entering the second liquid storage cavity 106, the refrigerant can enter the first liquid storage cavity 102 from the second liquid storage cavity 106 through the second communication hole 109 and then enters the compression cavity 101. The first communication hole 108 and the second communication hole 109 may be provided on the lower bearing 130.
Alternatively, the first communication hole 108 is provided near the cylinder through hole 105, and the second communication hole 109 is provided near the partition plate through hole 144. Therefore, a part of the refrigerant entering the first reservoir chamber 102 from the cylinder through hole 105 can directly enter the second reservoir chamber 106 through the first through hole 108, and then the refrigerant enters the first reservoir chamber 102 from the second through hole after gas-liquid separation is performed in the second reservoir chamber 106, and then directly enters the compression chamber 101 through the partition plate through hole 144. Therefore, the gas-liquid separation efficiency of the refrigerant is improved, and the space of the first liquid storage cavity 102 and the space of the second liquid storage cavity 106 can be fully utilized.
The cylinder 110 may be made of low carbon steel and configured in a deformed circular tube shape, and a radial minimum thickness of the cylinder 110 is 3mm or more.
The inner sidewall of the cylinder 110 may closely contact with a partition plate 140 having a circular arc shape, the partition plate 140 may have an n-shaped or rectangular cross section, and the partition plate 140 may have a wall thickness of 0.2mm or more to satisfy the internal pressure of the compressor 100.
The lower bearing 130 may be formed by spinning a steel plate, a minimum thickness of the lower bearing 130 is greater than or equal to 3mm, and one or more through holes are formed in the lower bearing 130 and used for communicating the first reservoir 102 and the second reservoir 106.
The neck hollow shell 150 and the lower bearing 130 define a second liquid storage cavity 106, and the thickness of the neck hollow shell 150 is greater than or equal to 0.2 mm.
A refrigeration system of an embodiment of the present invention is briefly described below.
The refrigeration system according to the embodiment of the present invention includes the compressor 100 in the above-described embodiment, and since the refrigeration system according to the embodiment of the present invention includes the compressor 100 in the above-described embodiment, the refrigeration system is compact in structure and occupies a small space.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (9)

1. A compressor, comprising:
the bearing assembly comprises a cylinder, an upper bearing and a lower bearing, wherein the cylinder, the upper bearing and the lower bearing define a cylinder chamber;
the partition plate is arranged in the cylinder cavity to divide the cylinder cavity into a compression cavity and a first liquid storage cavity, an air inlet of the compressor is communicated with the first liquid storage cavity, and the first liquid storage cavity is communicated with the compression cavity;
the partition plate includes: the upper side plate and the lower side plate are respectively arranged at the upper end and the lower end of the vertical plate and extend outwards;
the vertical plate is spaced apart from an inner circumferential surface of the cylinder, the upper side plate is fixed to the upper bearing, and the lower side plate is fixed to the lower bearing.
2. The compressor of claim 1, wherein the divider plate extends circumferentially and is spaced from an inner circumferential surface of the cylinder to define the first fluid reservoir, the first fluid reservoir being disposed outside of the compression chamber.
3. The compressor of claim 1, wherein the partition plate is configured in a ring shape and has a partition plate notch, and an inner side surface of the cylinder is provided with a cylinder boss engaged with the partition plate notch, the cylinder boss being provided with a vane mounting groove.
4. The compressor of claim 3, wherein the cylinder is provided with a cylinder through-hole communicating with an intake port of the compressor, the partition plate is provided with a partition plate through-hole communicating the first reservoir chamber and the compression chamber, and the cylinder through-hole and the partition plate through-hole are spaced apart by the cylinder boss.
5. The compressor of claim 1, wherein the cylinder, the partition plate, the upper bearing, and the lower bearing are all made of steel.
6. The compressor of claim 5, wherein the cylinder is made of a deformed steel pipe, and the partition plate is bent from a rectangular steel.
7. The compressor of claim 1, further comprising: the neck shell is arranged below the lower bearing and limits a second liquid storage cavity for the lower bearing, and the first liquid storage cavity is communicated with the second liquid storage cavity.
8. The compressor of claim 4, further comprising: the neck hollow shell is arranged below the lower bearing and defines a second liquid storage cavity with the lower bearing, and the first liquid storage cavity is communicated with the second liquid storage cavity;
the first liquid storage cavity is communicated with the second liquid storage cavity through a first communicating hole and a second communicating hole, the first communicating hole is close to the cylinder through hole, and the second communicating hole is close to the partition plate through hole.
9. A refrigeration system comprising a compressor as claimed in any one of claims 1 to 8.
CN201710393001.0A 2017-05-27 2017-05-27 Compressor and refrigerating system Active CN107013461B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710393001.0A CN107013461B (en) 2017-05-27 2017-05-27 Compressor and refrigerating system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710393001.0A CN107013461B (en) 2017-05-27 2017-05-27 Compressor and refrigerating system

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CN107013461B true CN107013461B (en) 2020-02-11

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CN108826768A (en) * 2018-07-23 2018-11-16 珠海格力节能环保制冷技术研究中心有限公司 A kind of fluid machinery and the heat exchange equipment with it

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JPH04171279A (en) * 1990-10-31 1992-06-18 Daikin Ind Ltd Enclosed type compressor
CN102997521A (en) * 2011-09-19 2013-03-27 安徽美芝精密制造有限公司 Liquid storage structure of rotary compressor
CN204729301U (en) * 2015-05-21 2015-10-28 广东美芝制冷设备有限公司 For rotary compressor compressing mechanism and there is its rotary compressor
CN104989646B (en) * 2015-07-20 2017-03-29 广东美芝制冷设备有限公司 Rotary compressor
CN105090026B (en) * 2015-07-20 2017-10-24 广东美芝制冷设备有限公司 Rotary compressor
CN206830448U (en) * 2017-05-27 2018-01-02 广东美芝制冷设备有限公司 Compressor and refrigeration system

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