CN100414111C - Noise reduction structure for closed compressor - Google Patents
Noise reduction structure for closed compressor Download PDFInfo
- Publication number
- CN100414111C CN100414111C CNB031298702A CN03129870A CN100414111C CN 100414111 C CN100414111 C CN 100414111C CN B031298702 A CNB031298702 A CN B031298702A CN 03129870 A CN03129870 A CN 03129870A CN 100414111 C CN100414111 C CN 100414111C
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- supporting plate
- casing ontology
- oil storage
- protuberance
- bottom lid
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Abstract
The present invention relates to a noise reduction structure for a closed compressor which comprises a casing body in which an electric structure member and a compressive structure member are arranged, wherein the electric structure member can generate driving force; the compressive structure member is connected with the electric structure member and can inhale, compress and discharge fluid; a bottom cover supporting board can also fix the casing body on an installation surface and support the casing body when the casing body is sealed. The bottom cover supporting board has the structure that an oil storage member which is concave downward is formed in the center of a flat supporting board member, and the oil storage member at least has more than two kinds of different curvature. The present invention not only can eliminate a metal contact sound generated between the members but also simultaneously improve the noise characteristic of the bottom cover supporting board, and thus, the noise of the compressor is obviously lowered. Due to the fact that the installation part of the body is formed with two steps, the vibration can be absorbed, and thereby, the noise is abated.
Description
Technical field
The present invention relates to a kind of support device of hermetic type compressor, or rather, the denoising structure (STRUCTURE FOR REDUCING NOISE OF HERMETICCOMPRESSOR) that relates to a kind of closed rotary compressor, its objective is the supporting plate of supports compressor body is made with some curvature, and reduce vibration thus.
Background technique
As everyone knows, compressor is the equipment that convection cell compresses.Such compressor generally is made of structural components of electric and compression structure parts, and wherein structural components of electric can conduct power, and the dynamic convection body that the compression structure parts can utilize above-mentioned structural components of electric to produce compresses.The compressor that such structural components of electric and compression structure parts are installed in the same airtight casing calls hermetic type compressor.
Be provided with the triangle supporting plate below the casing of hermetic type compressor, can prevent that by above-mentioned triangle supporting plate vibration that structural components of electric and compression structure parts are produced is to refrigerator or air-conditioning conduction.
Fig. 1 and Fig. 2 are the decomposing state side view and the sectional drawing that is in assembled state of existing hermetic type compressor.
As shown in the figure, existing hermetic type compressor comprises: the compression structure parts that compressor case 1, its inside are provided with the structural components of electric that can produce power and are connected on the above-mentioned structural components of electric, can convection cell compress; Triangle supporting plate 2 can hold up certain height to compressor case 1.
The structure of triangle supporting plate 2 is: be dull and stereotyped triangle from plane projection, formed damping rubber cushion mounting hole 2a on each angle, wherein damping rubber cushion (not shown) is installed in order to absorb vibration.Be formed centrally the casing mounting hole 2b that is used for the bottom lid 1c of compressor case 1 insertion and welding in the triangle supporting plate.
Below the process with vibration attenuation in the aforesaid existing hermetic type compressor is elaborated.
At first, if on the structural components of electric that is positioned at compressor case 1 inside, connect power supply, the rotor of so above-mentioned structural components of electric will begin action, and in action, power is conducted to the compression structure parts, the piston that has obtained the compression structure parts of power then can move back and forth or rotatablely move, thereby cold media air is sucked and compression, and then discharge.This a series of course of action can carry out repeatedly.
In such process, structural components of electric and compression structure parts can produce vibration, and such vibration can be conducted to compressor case 1, thus produce " drone " vibrating noise.At this moment, owing to connecting triangle supporting plate 2 in the lower end of compressor case 1, and be provided with the damping rubber cushion (not shown) that can support compressor case 1 from attachment face certain altitude on the angle of this triangle supporting plate 2, therefore can absorb the vibrating noise of aforesaid compressor case 1 by the damping rubber cushion, thereby make its decay.
But in aforesaid existing hermetic type compressor, because the bottom lid 1c and the triangle supporting plate 2 of casing 1 are two parts making separately, they fit together by welding, therefore in the process of assembling, can produce certain clearance between bottom lid 1c and the triangle supporting plate 2.The problem of bringing thus is: when driven compressor, along with the vibration of machine can generation metal friction sound between two parts.
Summary of the invention
The present invention considers the existing problem of aforesaid existing hermetic type compressor and designs, and purpose is to provide a kind of denoising structure that can reduce the hermetic type compressor of the metal friction sound that produces between casing and triangle supporting plate.
To achieve these goals, the invention provides a kind of denoising structure of hermetic type compressor, hermetic type compressor comprises casing ontology, upper lid and bottom lid supporting plate, casing ontology inside is provided with structural components of electric and compression structure parts, fluid is sucked, compression, discharge, bottom lid supporting plate, also be fixed on casing ontology on the attachment face in the casing ontology and supported in sealing, oil storage parts have been formed in flat pallet part central authorities to lower recess, and the oil storage parts possess plural different curvature mutually at least, formed body on the lid supporting plate of bottom protuberance has been installed, be used to install casing ontology, the outer ring of body installation protuberance oil storage parts projects upwards from pallet part and forms, and body is installed protuberance will be bent into two steps at least, make the lower end and the pallet part of casing ontology keep certain height poor, and make body installation protuberance have certain elasticity.
In the denoising structure of hermetic type compressor of the present invention, because the bottom lid of the bottom that is used for sealing casing ontology and the supporting plate that is used for supporting the said machine casing body made one, thereby formed bottom lid supporting plate, and the central authorities of above-mentioned bottom lid supporting plate the oil storage parts that possess several different curvature have been formed.Therefore can eliminate the Metal Contact sound that between parts, produces by the present invention,, thereby the noise of compressor is obviously reduced simultaneously owing to improved the noise properties of bottom lid supporting plate.In addition, formed two steps, reduced noise thereby therefore can absorb vibration by this bending part because the body of support machine casing body is installed protuberance.
Description of drawings
Fig. 1 is the side view of the decomposing state of existing hermetic type compressor;
Fig. 2 is the sectional drawing of the assembled state of existing hermetic type compressor;
Side view when Fig. 3 is in decomposing state for hermetic type compressor of the present invention;
Sectional drawing when Fig. 4 is in assembled state for hermetic type compressor of the present invention;
Fig. 5 is the sectional drawing of a part of the oil storage parts of the bottom lid supporting plate in the hermetic type compressor of the present invention;
Fig. 6 is the longitudinal sectional drawing that the body of the bottom lid supporting plate in the hermetic type compressor of the present invention is installed protuberance.
The critical piece description of reference numerals
10: casing 11: casing ontology
12: upper lid (cap) 13: bottom lid supporting plate
13a: pallet part 13b: body is installed protuberance
13c: oil storage (oil) part
Embodiment
Embodiment shown in is with reference to the accompanying drawings described in detail the denoising structure of hermetic type compressor of the present invention below.
Fig. 3 and Fig. 4 are an embodiment's of hermetic type compressor of the present invention decomposing state side view and assembled state sectional drawing, Fig. 5 is the sectional drawing of a part of the oil storage parts of the bottom lid supporting plate in the hermetic type compressor of the present invention, and Fig. 6 is the longitudinal sectional drawing that the body of the bottom lid supporting plate in the hermetic type compressor of the present invention is installed protuberance.
As shown in the figure, hermetic type compressor of the present invention is made of structural components of electric and compression structure parts, and wherein structural components of electric is fixedly mounted on the inside of casing 10, then can produce rotating force if connect power supply.The compression structure parts are connected on the structural components of electric, and are fixed on the inside of said machine casing 10 with structural components of electric, and it can obtain rotating force from structural components of electric, the processing that cold media air is sucked, compresses and discharges.
Casing 10 cylindrical shapes, it is by constituting with lower member, that is: and casing ontology 11, and its internal fixation is installed with above-mentioned structural components of electric and compression structure parts; The upper lid 12 that the top seal of casing ontology 11 is got up; Not only can seal the bottom of casing ontology 11, can also support the bottom lid supporting plate 13 of said machine casing body 11 simultaneously.
In lid supporting plate 13 structures of bottom, at first formed pallet part 13a, its profile roughly is equilateral triangle from plane projection.The body that has formed the annular that projects upwards in the central authorities of pallet part 13a is installed protuberance 13b, and the internal diameter of annular is basic identical with the internal diameter of casing ontology 11.In addition, the inside that body is installed protuberance 13b has formed the oil storage parts 13c that is used for storing oil (oil), and the inside that it installs protuberance from body forms to the certain degree of depth of lower recess.
Pallet part 13a is a writing board shape, is provided with damping rubber cushion mounting hole 13d on its each angle respectively, and the damping rubber cushion is inserted and secured in these damping rubber cushion mounting holes.The effect of damping rubber cushion is: can absorb vibration to compressor case 10 in attachment face upper support certain height.
Body is installed protuberance as shown in Figure 5, and for lower end and the pallet part 13a that makes casing ontology 11 keeps certain height poor, its outer surface has been bent into 2 steps.And have certain elasticity in order to make this body that protuberance 13b is installed, also can be bent into acute angle or obtuse angle to it.
In addition, with respect to the vibration of compressor, possess higher rigidity in order to make body that protuberance 13b is installed, the center that preferably makes its center and casing ontology 11 from plane projection point-blank.
The peak that oil storage parts 13c installs protuberance 13b from body forms to the certain degree of depth of lower recess, and is radial symmetry.In addition, oil storage parts 13c preferably as shown in Figure 6, its first half preferably has different curvature with Lower Half, so just can reduce the vibration.
What the part same as the prior art in the accompanying drawing adopted is identical symbol.
Action effect to the denoising structure of closed compressor of the present invention is elaborated below.
At first, if on the structural components of electric of compressor, connect power supply, so above-mentioned structural components of electric will produce driving force, and driving force conducted to the compression structure parts, the piston of compression structure parts can move back and forth in cylinder or rotatablely move thus, thereby cold media air is sucked and compression, and then discharge.This a series of course of action can carry out repeatedly.At this moment, though structural components of electric and compression structure parts can produce vibration owing to driving, this vibration is eliminated thereby can be absorbed by above-mentioned damping rubber cushion after bottom lid supporting plate 13 is given in conduction.Therefore by said structure, the vibrating noise of compressor can obtain subduing of certain degree.
In addition, by the bottom lid supporting plate 13 that bottom lid and supporting plate are made of one, can eliminate because of the Metal Contact sound between two parts that cause by welding method assembling bottom lid and supporting plate.
In addition, made 2 stepped form, therefore can absorb vibration by such parts because the body of bottom lid supporting plate 13 is installed protuberance 13b.The curved surface that particularly forms oil storage parts 13c has a plurality of different curvature, therefore can improve the noise properties of bottom lid supporting plate 13, thereby reduce the noise of compressor.
On the other hand, when the assemble compressible machine, earlier structural components of electric and compression structure parts be inserted and secured on casing ontology 1 interior after, again said machine casing body 11 is placed on the body installation protuberance 13b of bottom lid supporting plate 13c, and in this state upper lid 12 is covered at the top of said machine casing body 11, with the method for welding that bottom lid supporting plate 13 is fixing simultaneously with the junction of casing ontology 11 with the junction and the upper lid 12 of casing ontology 11 then.Here, because bottom lid supporting plate 13 makes bottom lid and supporting plate form one, therefore with by the method for welding the form that two parts couple together is compared, not only can improve reliability, simultaneously owing to reduced welding process, thereby can also enhance productivity.In addition, because upper lid 12 and bottom lid supporting plate 13 can be realized welding simultaneously, need not carry out during assembling operations such as casing ontology 11 upsets, therefore can make assembling procedure become simpler, can also improve the reliability and the production efficiency of products of assembling simultaneously.
In addition, because the body of bottom lid supporting plate 13 is installed the high high-crowned form that protuberance 12 has been made 2 steps, therefore when welding, make welding gun (torch) approaching easily, processing ease carries out, be more prone to thereby assembly operation is become, and can also improve the manufacturing efficiency of compressor thus.
Claims (3)
1. the denoising structure of a hermetic type compressor, the casing of hermetic type compressor comprises casing ontology, upper lid and bottom lid supporting plate, casing ontology inside is provided with structural components of electric and compression structure parts, structural components of electric produces driving force, the compression structure parts are connected on the structural components of electric, fluid is sucked, compression, discharge, bottom lid supporting plate also is fixed on casing ontology on the attachment face in the sealing casing ontology and is supported, it is characterized in that: formed oil storage parts (13c) to lower recess in described flat pallet part (13a) central authorities, and oil storage parts (13c) have plural at least different curvature mutually, formed body on the bottom lid supporting plate (13) protuberance (13b) has been installed, body is installed protuberance (13b) casing ontology (10) is installed, the outer ring of body installation protuberance (13b) oil storage parts (13c) projects upwards from pallet part (13a) and forms, and body is installed protuberance (13b) will be bent into two steps at least, make the lower end and the pallet part (13a) of casing ontology (11) keep certain height poor, and make body installation protuberance (13b) have certain elasticity.
2. the denoising structure of hermetic type compressor according to claim 1 is characterized in that: the center of described oil storage parts (13c) center and casing ontology (11) from plane projection point-blank.
3. the denoising structure of hermetic type compressor according to claim 2, it is characterized in that: the profile of described bottom lid supporting plate (13) roughly is equilateral triangle from plane projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031298702A CN100414111C (en) | 2003-05-22 | 2003-05-22 | Noise reduction structure for closed compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031298702A CN100414111C (en) | 2003-05-22 | 2003-05-22 | Noise reduction structure for closed compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1548759A CN1548759A (en) | 2004-11-24 |
| CN100414111C true CN100414111C (en) | 2008-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031298702A Expired - Fee Related CN100414111C (en) | 2003-05-22 | 2003-05-22 | Noise reduction structure for closed compressor |
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| Country | Link |
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| CN (1) | CN100414111C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113422461B (en) * | 2021-06-24 | 2023-07-18 | 浙江定能电机科技有限公司 | Self-buffering permanent magnet motor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07133777A (en) * | 1993-11-08 | 1995-05-23 | Sanyo Electric Co Ltd | Internal high pressure type compressor |
| US5496160A (en) * | 1995-07-03 | 1996-03-05 | Tecumseh Products Company | Scroll compressor having a suction check valve |
| CN2228561Y (en) * | 1995-07-13 | 1996-06-05 | 朱致永 | Fully-automatic chemical energy high-pressure air pump |
| JP2002098083A (en) * | 2000-09-27 | 2002-04-05 | Sanyo Electric Co Ltd | Internal intermediate pressure type multistage compression rotary compressor |
| CN1381675A (en) * | 2001-04-16 | 2002-11-27 | 韩国株式会社斯地卡思贝 | Manufacture method of air compressor casing |
| JP2003097472A (en) * | 2001-09-27 | 2003-04-03 | Sanyo Electric Co Ltd | Rotary compressor |
| CN1412441A (en) * | 2001-10-12 | 2003-04-23 | 乐金电子(天津)电器有限公司 | High-low pressure zone separation mechanism for vortex compressor |
-
2003
- 2003-05-22 CN CNB031298702A patent/CN100414111C/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07133777A (en) * | 1993-11-08 | 1995-05-23 | Sanyo Electric Co Ltd | Internal high pressure type compressor |
| US5496160A (en) * | 1995-07-03 | 1996-03-05 | Tecumseh Products Company | Scroll compressor having a suction check valve |
| CN2228561Y (en) * | 1995-07-13 | 1996-06-05 | 朱致永 | Fully-automatic chemical energy high-pressure air pump |
| JP2002098083A (en) * | 2000-09-27 | 2002-04-05 | Sanyo Electric Co Ltd | Internal intermediate pressure type multistage compression rotary compressor |
| CN1381675A (en) * | 2001-04-16 | 2002-11-27 | 韩国株式会社斯地卡思贝 | Manufacture method of air compressor casing |
| JP2003097472A (en) * | 2001-09-27 | 2003-04-03 | Sanyo Electric Co Ltd | Rotary compressor |
| CN1412441A (en) * | 2001-10-12 | 2003-04-23 | 乐金电子(天津)电器有限公司 | High-low pressure zone separation mechanism for vortex compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1548759A (en) | 2004-11-24 |
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| CF01 | Termination of patent right due to non-payment of annual fee |