CN1474053A - Compressor with flexible air suction path structure - Google Patents
Compressor with flexible air suction path structure Download PDFInfo
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- CN1474053A CN1474053A CNA031367275A CN03136727A CN1474053A CN 1474053 A CN1474053 A CN 1474053A CN A031367275 A CNA031367275 A CN A031367275A CN 03136727 A CN03136727 A CN 03136727A CN 1474053 A CN1474053 A CN 1474053A
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- air intake
- flexible
- intake passage
- compressor
- air suction
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Abstract
The compressor includes air suction hose, air suction path and air suction silencer, and features that the flexible air suction path is used to connect the air suction hose and the air suction silencer so as to make the refrigerant from the air suction hose enter to the air suction cavity via the flexible air suction path and the air suction silencer successively. The flexible air suction path includes flexible hose path, support spring around the flexible hose path and spring hoops to fix the flexible hose path to the support spring. The compressor has great air compressed amount, high performance and less vibration and noise.
Description
Affiliated technical field
The present invention relates to a kind of compressor, especially have the compressor of flexible air intake passage structure.Adopt the compressor of this flexible air intake passage, can change the noise transmission characteristic between low voltage side parts, pipeline and the compressor of refrigeration system, reduce the vibration and the noise of refrigeration system.
Background technique
Be subjected to more and more general attention along with energy-conservation in the world with environmental problem, efficiency and noise are becoming the key factor that influences the compressor market prospects.Adjust the air-breathing mode of compressor, it is that a kind of method that can improve the efficiency of compressor effectively is widely adopted that indirect air-breathing mode is changed over direct air-breathing mode.
So-called direct air-breathing mode, be a kind ofly by air intake passage sucking pipe to be back to refrigeration working medium in the compressor housing and directly to import to air-breathing mode in the air aspiration cavity of compressor, owing in breathing process, reduced the preheating degree of working medium, thereby can improve the volumetric efficiency of compressor.
At present, the air intake passage that is adopted is generally one section and connects spring.This spring needs the necessary rigidity and the tightness of winding, could reasonable refrigeration agent be imported to air aspiration cavity from sucking pipe.Thus, cause compressor big in the vibration of startup, operation and stopping process, noise ratio is higher.Before the air-breathing chamber of compressor, add a silencing apparatus, can partly reduce the vibration and the noise of compressor, but, effectively reduce vibration and noise, will improve the transmission characteristic of the noise and vibration between compressor and other parts of refrigeration system when special, also compare difficulty.Reduce to connect the rigidity of spring, can cause the decline of the actual output of gas of compressor again, thereby have influence on performance index such as the refrigerating capacity of compressor and the coefficient of performance.Connect spring as air intake passage so adopt, can not solve the coefficient of performance that improves compressor and a pair of like this contradiction of vibration and noise that reduces compressor well.
Summary of the invention
One object of the present invention, characteristics and advantage provide the air intake passage structure of one section flexibility, can be used for more easily compressor is transformed into direct air-breathing mode from indirect air-breathing mode, solve the efficiency of the compressor of the indirect air-breathing mode technology of existing employing.
One object of the present invention, characteristics and advantage provide the air intake passage structure of one section flexibility, can use the noise problem of the compressor that solves the direct air-breathing mode technology of existing employing more easily.
One object of the present invention, characteristics and advantage provide the air intake passage structure of one section flexibility, can use the vibration problem of the compressor that solves the direct air-breathing mode technology of existing employing more easily.
One object of the present invention, characteristics and advantage provide the air intake passage structure of one section flexibility, and can be used for more easily is the noise transmission characteristic issues that solves between other parts of the compressor of the direct air-breathing mode technology of existing employing and refrigeration system.
One object of the present invention, characteristics and advantage provide the air intake passage structure of one section flexibility, can be more easily with vibration transmission characteristic and resonance problem between other parts of compressor that solves the direct air-breathing mode technology of existing employing and refrigeration system.
One object of the present invention, characteristics and advantage provide a backflow drag device, between the air suction way and inhaling silencer or air aspiration cavity of flexibility, can use the pressure surge problem of working medium in the compressor air suction chamber of solving existing technology more easily.
To achieve these goals, the invention provides a kind of compressor, it comprises sucking pipe, air intake passage, inhaling silencer, it is characterized in that air intake passage is a flexible channel, sucking pipe is connected with inhaling silencer by flexible air intake passage, and feasible refrigeration agent from sucking pipe enters air aspiration cavity through flexible air intake passage, inhaling silencer successively.
Flexible air intake passage comprises flexible tubular passage, supported spring, ring-spring hoop, and the flexible tubular channel sleeve is in supported spring, and the spring band by ring-type is fixed together the tubular conduit cover of flexibility with supported spring.
The flexible tubular passage is made by elastic material.
Connect a backflow drag device between air intake passage and the inhaling silencer.
At supported spring outside parcel one deck Stainless Steel Cloth.
The flexible tubular passage is by silk, line or banded nylon or lamination coating, through weaving or being formed by weaving.
The flexible tubular passage is by silk, line or banded nylon or lamination coating, through weaving or being formed by weaving.
The backflow drag device is the horn mouth structure, and the inlet of horn mouth osculum and silencing apparatus or air aspiration cavity joins, and horn mouth links to each other with flexible air intake passage for big mouthful.
Osculum diameter and big mouthful diameter ratio are in 0.23 to 0.95 scope.
Because compressor of the present invention adopts direct air-breathing mode, air intake passage by one section flexibility between its sucking pipe and inhaling silencer or air aspiration cavity is connected, directly import to the air aspiration cavity of inhaling silencer or compressor by described air intake passage from the refrigeration agent of sucking pipe refrigeration agent, therefore can reduce the preheating degree of the preceding refrigeration agent of compression, can appropriateness improve the actual output of gas of compressor, and improve the coefficient of performance of compressor.Adopt the air intake passage of this flexibility, can also change the noise transmission characteristic between low voltage side parts, pipeline and the compressor of refrigeration system, reduce the vibration and the noise of compressor start, operation and stopping process.
Description of drawings
Fig. 1 is the mounting point schematic representation of flexible air intake passage according to the present invention in compressor housing.
Fig. 2 is a kind of structural representation of the flexible air intake passage that adopts in the compressor.
Fig. 3 is the another kind of structure side schematic representation of flexible air intake passage.
Fig. 4 is the structural representation that is used for the backflow drag device of the flexible air intake passage of the present invention.
Embodiment
Fig. 1 is that flexible air intake passage according to the present invention is at the mounting point of compressor schematic representation.The sucking pipe 3 of compressor is connected with inhaling silencer 1 by flexible air intake passage 2, and feasible refrigeration agent from sucking pipe 3 enters air aspiration cavity through flexible air intake passage 2, backflow drag device 4, inhaling silencer 1 successively.
Fig. 2 represents a kind of structure of flexible air intake passage 2 of the present invention.The flexible tubular channel sleeve 5 that it is made by elastic material is fixed together flexible tubular channel sleeve 5 and supported spring 6 by the spring band 8 of ring-type and the spring band 9 of ring-type 6 li of supported springs.Gentle tubular conduit 5 is by silk, line or banded nylon or lamination coating, through weaving or being formed by weaving.
Fig. 3 represents the another kind of structure of flexible air intake passage 2 of the present invention.It 6 li of supported springs, is connecting spring outside parcel one deck Stainless Steel Cloth 7 by the flexible tubular channel sleeve of being made by elastic material 5, and the spring band 8 by ring-type and the spring band 9 of ring-type are fixed together the tubular conduit cover 5 of flexibility with supported spring 6.Flexible tubular passage 5 is by silk, line or banded nylon or lamination coating, through weaving or being formed by weaving.
In order to reduce the fluctuation of suction side Working medium gas pressure, the invention provides a kind of backflow drag device 4, it is installed between inhaling silencer 1 and the flexible air intake passage 2.
Fig. 4 represents the structure of backflow drag device 4 of the present invention.Backflow drag device 4 is the horn mouth structure, and the inlet of horn mouth osculum and silencing apparatus 1 joins.The ratio of big mouthful of diameter B of the horn mouth osculum diameter A of backflow drag device 4 and horn mouth is in 0.23 to 0.95 scope.
Backflow drag device 4 can be used as the part of inhaling silencer 1, with the other parts once injection moulding of silencing apparatus 1.Also molding and forming separately.
Adopt flexible air intake passage structure shown in Figure 2, the diameter of flexible tubular passage 5 is 8mm in the supported spring 6, in the ingress of inhaling silencer 1, assembles backflow drag device 4 shown in Figure 4, the horn mouth osculum diameter A of backflow drag device 4 is 2mm-6mm, and big mouthful of diameter B of horn mouth is 8mm.In the mounting point of compressor, three reciprocating type freezer compressors of crank-connecting rod that swept volume is 12.62cm3 have been assembled according to flexible air intake passage 2 shown in Figure 1 and backflow drag device 4.According to GB/T 9098-1996 specified test, the testing experiment that described three compressors are carried out the results are shown in Table 1
Table 1
| The 1# experimental prototype | The 2# experimental prototype | The 3# experimental prototype | With reference to type | |
| Refrigerating capacity (W) | 390.6 | 388.3 | 392.0 | 386 |
| Input power (W) | 278.8 | 279.1 | 276.0 | 283.8 |
| C.O.P | 1.40 | 1.39 | 1.42 | 1.36 |
| Electric current (A) | 1.44 | 1.46 | 1.44 | 1.50 |
| Noise dB (A) | 41.8 | 41.3 | 41.6 | 44.2 |
| Illustrate: the refrigeration working medium that experimental prototype uses is R134a, and lubricant oil is Ester VG22; The approved product that reference prototype provides for former factory, except that the air intake passage difference, other parts are identical with experimental prototype (also making on former factory production line). | ||||
The flexible air intake passage structure that adopts Fig. 3 to represent, the diameter of flexible tubular passage 5 is 8mm in the supported spring 6, ingress at inhaling silencer 1, the backflow drag device 4 of erection drawing 4 expressions, the horn mouth osculum diameter A of backflow drag device 4 is 3mm-7.6mm, the big mouthful diameter B of horn mouth is 8mm, and flexible air intake passage of representing according to Fig. 12 and backflow drag device 4 have assembled three reciprocating type freezer compressors of crank-connecting rod that swept volume is 5.58cm3 in the mounting point of compressor.According to GB/T 9098-1996 specified test, the testing experiment that described three compressors are carried out the results are shown in Table 2.
Table 2
| The 1# experimental prototype | The 2# experimental prototype | The 3# experimental prototype | With reference to type | |
| Refrigerating capacity (W) | 168.2 | 166.4 | 167.7 | 140.1 |
| Input power (W) | 130.2 | 127.2 | 129.8 | 138.2 |
| C.O.P | 1.31 | 1.26 | 1.29 | 1.01 |
| Electric current (A) | 0.70 | 0.67 | 0.69 | 0.76 |
| Noise dB (A) | 37.1 | 35.6 | 36.2 | 36.7 |
| Illustrate: the refrigeration working medium that experimental prototype uses is R134a, and lubricant oil is Ester VG22; The approved product that reference prototype provides for former factory, except that air-breathing mode with air intake passage is different, other parts are identical with experimental prototype (also making on former factory production line). | ||||
The flexible air intake passage structure that adopts Fig. 2 to represent, the diameter of flexible tubular passageway is 8mm in the supported spring 6, ingress at inhaling silencer 1, the backflow drag device 4 of erection drawing 4 expressions, the horn mouth osculum diameter A of backflow drag device 4 is 3mm-7.6mm, the big mouthful diameter B of horn mouth is 8mm, and flexible air intake passage of representing according to Fig. 12 and backflow drag device 4 are in the mounting point of compressor, and having assembled three swept volumes is 9.18cm
3The reciprocating type freezer compressor of crank-connecting rod.According to GB/T 9098-1996 specified test, the testing experiment that described three compressors are carried out the results are shown in Table 3.
Table 3
| The 1# experimental prototype | The 2# experimental prototype | The 3# experimental prototype | With reference to type | |
| Refrigerating capacity (W) | 279.6 | 272.5 | 276.8 | 271.7 |
| Input power (W) | 214.4 | 208.6 | 211.0 | 213.2 |
| C.O.P | 1.33 | 1.29 | 1.31 | 1.27 |
| Electric current (A) | 1.28 | 1.23 | 1.25 | 1.27 |
| Noise dB (A) | 41.8 | 40.3 | 41.3 | 43.9 |
| Illustrate: the refrigeration working medium that experimental prototype uses is R134a, and lubricant oil is Ester VG22; The approved product that reference prototype provides for former factory, except that the air intake passage difference, other parts are identical with experimental prototype (also making on former factory production line). | ||||
The flexible air intake passage structure that adopts Fig. 2 to represent, the diameter of the flexible tubular passage 5 in the supported spring 6 is 8mm, ingress at inhaling silencer 1, the backflow drag device 4 of erection drawing 4 expressions, the horn mouth osculum diameter A of backflow drag device 4 is 2mm-4.6mm, the big mouthful diameter B of horn mouth is 6mm, and flexible air intake passage of representing according to Fig. 12 and backflow drag device 4 are in the mounting point of compressor, and having assembled three swept volumes is 2.96cm
3The reciprocating type freezer compressor of slip pipe.According to GB/T 9098-1996 specified test, the testing experiment that described three compressors are carried out the results are shown in Table 4.
Table 4
| The 1# experimental prototype | The 2# experimental prototype | The 3# experimental prototype | With reference to type | |
| Refrigerating capacity (W) | 90.2 | 86.1 | 88.7 | 78.5 |
| Input power (W) | 90.2 | 88.2 | 89.8 | 89.0 |
| C.O.P | 1.00 | 0.97 | 0.99 | 0.88 |
| Electric current (A) | 0.57 | 0.56 | 0.56 | 0.57 |
| Noise dB (A) | 36.2 | 34.4 | 35.7 | 36.1 |
| Illustrate: the refrigeration working medium that experimental prototype uses is R134a, and lubricant oil is Ester VG22; The approved product that reference prototype provides for former factory, except that the air intake passage difference, other parts are identical with experimental prototype (also making on former factory production line). | ||||
The flexible air intake passage structure that adopts Fig. 3 to represent, the diameter of flexible tubular conduit 5 is 8mm in the supported spring 6, ingress at inhaling silencer 1, the backflow drag device 4 of erection drawing 4 expressions, the horn mouth osculum diameter A of backflow drag device 4 is 3.6mm-7.2mm, the big mouthful diameter B of horn mouth is 8mm, and flexible air intake passage of representing according to Fig. 12 and backflow drag device 4 are in the mounting point of compressor, and having assembled three swept volumes is 7.88cm
3The reciprocating type freezer compressor of crank-connecting rod.According to GB/T 9098-1996 specified test, the testing experiment that described three compressors are carried out the results are shown in Table 5.
Table 5
| The 1# experimental prototype | The 2# experimental prototype | The 3# experimental prototype | With reference to type | |
| Refrigerating capacity (W) | 241.6 | 237.5 | 239.8 | 237.7 |
| Input power (W) | 180.4 | 178.6 | 179.4 | 183.2 |
| C.O.P | 1.34 | 1.33 | 1.336 | 1.30 |
| Electric current (A) | 1.22 | 1.21 | 1.22 | 1.27 |
| Noise dB (A) | 39.6 | 37.5 | 38.4 | 41.7 |
| Illustrate: the refrigeration working medium that experimental prototype uses is R134a, and lubricant oil is EsterVG22; The approved product that reference prototype provides for former factory, except that the air intake passage difference, other parts are identical with experimental prototype (also making on former factory production line). | ||||
By above different sizes, 5 embodiments' of different structure experimental test result sees, adopts the air intake passage of flexibility provided by the invention, can appropriateness improve the actual output of gas of compressor, and improve the coefficient of performance of compressor.Adopt the air intake passage of flexibility provided by the invention, can change the noise transmission characteristic between low voltage side parts, pipeline and the compressor of refrigeration system, reduce compressor noise.
The invention provides a kind of air intake passage of compressor flexibility, also can be used for more easily compressor is transformed into direct air-breathing mode from indirect air-breathing mode, thereby make the refrigerating capacity of compressor and the coefficient of performance obtain by a relatively large margin raising.Adopt the air intake passage of flexibility provided by the invention, compressor is transformed into direct air-breathing mode from indirect air-breathing mode after, the vibration of compressor and noise can maintain on the level of the original indirect air-breathing mode of compressor basically.
The present invention discusses to the reciprocating type totally-enclosed compressor of refrigerator system, but also applicable to all compressors of any structure of any occasion.
Claims (9)
1. compressor, it comprises sucking pipe (3), air intake passage (2), inhaling silencer (1), it is characterized in that air intake passage (2) is a flexible channel, sucking pipe (3) is connected with inhaling silencer (1) by flexible air intake passage (2), and feasible refrigeration agent from sucking pipe (3) passes through flexible air intake passage (2) successively, inhaling silencer (1) enters air aspiration cavity.
2. compressor according to claim 1, it is characterized in that, flexible air intake passage (2) comprises flexible tubular passage (5), supported spring (6), ring-spring hoop (8,9), flexible tubular passage (5) is enclosed within supported spring (6) lining, spring band (8,9) by ring-type is fixed together the tubular conduit cover (5) of flexibility with supported spring (6).
3. compressor according to claim 2 is characterized in that, described flexible tubular passage (5) is made by elastic material.
4. compressor according to claim 1 is characterized in that, connects a backflow drag device (4) between air intake passage (2) and inhaling silencer.
5. compressor according to claim 2 is characterized in that, at supported spring (6) outside parcel one deck Stainless Steel Cloth (7).
6. compressor according to claim 3 is characterized in that, flexible tubular passage (5) is by silk, line or banded nylon or lamination coating, through weaving or being formed by weaving.
7. compressor according to claim 5 is characterized in that, flexible tubular passage (5) is by silk, line or banded nylon or lamination coating, through weaving or being formed by weaving.
8. compressor according to claim 4 is characterized in that the backflow drag device is the horn mouth structure, and the inlet of horn mouth osculum and silencing apparatus or air aspiration cavity joins, and horn mouth links to each other with flexible air intake passage (2) for big mouthful.
9. compressor according to claim 8 is characterized in that, osculum diameter and big mouthful diameter ratio are in 0.23 to 0.95 scope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN03136727A CN100596322C (en) | 2003-05-21 | 2003-05-21 | Compressor with flexible air suction path structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN03136727A CN100596322C (en) | 2003-05-21 | 2003-05-21 | Compressor with flexible air suction path structure |
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| Publication Number | Publication Date |
|---|---|
| CN1474053A true CN1474053A (en) | 2004-02-11 |
| CN100596322C CN100596322C (en) | 2010-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN03136727A Expired - Fee Related CN100596322C (en) | 2003-05-21 | 2003-05-21 | Compressor with flexible air suction path structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103017268A (en) * | 2012-12-10 | 2013-04-03 | 海信科龙电器股份有限公司 | Outdoor machine for air conditioner |
| CN110145451A (en) * | 2019-05-27 | 2019-08-20 | 上海常盛汽车配件有限公司 | A kind of the end cap connection structure and its welding procedure of vacuum pump |
-
2003
- 2003-05-21 CN CN03136727A patent/CN100596322C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103017268A (en) * | 2012-12-10 | 2013-04-03 | 海信科龙电器股份有限公司 | Outdoor machine for air conditioner |
| CN110145451A (en) * | 2019-05-27 | 2019-08-20 | 上海常盛汽车配件有限公司 | A kind of the end cap connection structure and its welding procedure of vacuum pump |
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| Publication number | Publication date |
|---|---|
| CN100596322C (en) | 2010-03-31 |
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Granted publication date: 20100331 Termination date: 20140521 |