CN105298846A - Compressor for refrigerating device and refrigerating device - Google Patents
Compressor for refrigerating device and refrigerating device Download PDFInfo
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- CN105298846A CN105298846A CN201510644954.0A CN201510644954A CN105298846A CN 105298846 A CN105298846 A CN 105298846A CN 201510644954 A CN201510644954 A CN 201510644954A CN 105298846 A CN105298846 A CN 105298846A
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- refrigeration plant
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Abstract
The invention provides a compressor for a refrigerating device and the refrigerating device, and relates to the technical field of refrigerating devices. In order to solve the problem that when a compressor of an existing refrigerating device is placed backwards or laterally for package or transportation, lubricating oil enters a low-pressure pipeline of a refrigerating system reversely, the compressor and the refrigerating device are invented. The compressor for the refrigerating device comprises a casing, wherein an inner cavity is formed in the casing; an air suction pipe is arranged on the casing; one end of the air suction pipe is located inside the inner cavity, and the other end of the air suction pipe is located outside the casing; one end of the air suction pipe located inside the inner cavity is sleeved with a hose; at least one part of the inner wall of the hose is attached in a natural state; and when the compressor works, a refrigerating agent sucked by the air suction pipe can prop up the attached inner wall of the hose and enters the inner cavity. The compressor for the refrigerating device can be applied to refrigerators or freezers.
Description
Technical field
The present invention relates to technical field of refrigeration equipment, particularly relate to a kind of refrigeration plant compressor and refrigeration plant.
Background technique
Present refrigeration plant (as refrigerator or refrigerator), from user of dispatching from the factory, all needs transport, when long haul or Container Transport, usually because device inside exists compression refrigerating system, and do not allow to put upside down or be sidelong, thus reduce the per cent pack of product, cause cost of transportation higher.
Compression refrigerating system is a circulation loop system, is connected with compressor in this circulation loop system, for low-temp low-pressure vaporous pressurizes refrigerant is become high pressure high temperature vapor.Usually adopt fully closed compressor in refrigeration plant, compressor and motor are assembled together and put into shell by fully closed compressor, and its volume is little, compact structure, can increase the usage space of chiller plant.Be illustrated in figure 1 the structural representation of fully closed compressor, see Fig. 1, fully closed compressor comprises shell 01, cylinder 02, sucking pipe 03 and outlet pipe 04, it is inner that cylinder 02 is arranged at shell 01, cavity between shell 01 and cylinder 02 is inner chamber 05, there is a large amount of lubricant oil 06 in inner chamber 05, for lubricate compressors internal activity parts, reduce the temperature of motor.Sucking pipe 03 is welded on shell 01 wall, and outer end is connected with the muffler of circuit system, and inner end is exposed in inner chamber 05, and the low-temperature low-pressure refrigerant gas in the circulatory system enters this inner chamber 05 by sucking pipe 03; Cylinder 02 is provided with suction port 021 and relief opening 022, gas in inner chamber 05 can enter in cylinder 02 by suction port 021, relief opening 022 is connected with outlet pipe 04, suction port 021 and relief opening 022 place are equipped with valve plate 023, when valve plate 023 is closed, suction port 021 and relief opening 022 all closed, now give gas pressurized by cylinder piston 024, produce high temperature and high pressure gas, then open valve plate corresponding to relief opening 023, high temperature and high pressure gas is expelled in the circulatory system by outlet pipe 04.
Therefore, the reason hindering refrigeration plant to put upside down or to be sidelong is: have a large amount of lubricant oil 06 in the inner chamber 05 of compressor, if compressor is put upside down for a long time or sleeping to put, the lubricant oil 06 in compressor will be made to enter muffler by sucking pipe 03, and then enter refrigerating circuit system, and due to the structural limitations of circulation loop system and long Transport Vibration, even if cause device again long-time static quadrature reactance put, lubricant oil 06 can not rely on its gravity flow to return in compressor completely.Therefore, when putting or crouch the refrigeration plant after putting upside down, after again just putting, in the moment that starting drive runs, produce negative pressure in refrigerating circuit, a large amount of lubricant oil 06 by suck-back in the cylinder 02 of compressor, and due to lubricant oil 06 be liquid, be not easy to be compressed, therefore when cylinder 02 pressurizes, the high pressure in cylinder 02 is passed on valve plate 023, causes valve plate 023 lubricated oily 06 puncture or damage, thus cause product not freeze, product failure.
Enter in refrigerant pipe to prevent lubricant oil, Chinese patent CN98222671.3 proposes to arrange flow-stop valve in the inner sucking pipe of compressor, the structure of flow-stop valve for arrange a recess bottom sucking pipe, a steel ball is set in this recess, when compressor is just put, because Action of Gravity Field steel ball is deposited in this recess, make sucking pipe pipeline unimpeded; And when compressor tilts to sucking pipe direction, steel ball can move in sucking pipe, to block the air-breathing mouth of pipe, prevent lubricant oil from entering in sucking pipe, play the effect of safety check.But due to when compressor is just put, the top of steel ball, still in sucking pipe, causes inhalation resistance to increase thus, seriously reduces the air-breathing coefficient of compressor, causes the degradation of compressor.And the part being positioned at compressor due to sucking pipe is that one end is fixed, the cantilever beam structure of the other end suspension, and cantilever beam structure cannot provide larger support force, therefore after flow-stop valve being installed on sucking pipe the inner, the heavy burden of overhang can be increased, easily cause sucking pipe to rupture.Simultaneously, this steel ball is actual can not block the air-breathing mouth of pipe completely, its reason is: compressor installs on refrigeration plant, product is sleeping put or be sidelong state under transport for a long time, it is that along with the vibration of the traffic tool is vibrated together, steel ball also can move thereupon, when steel ball is upspring that whole product comprises compressor, lubricant oil will flow in product sucking pipe along recess, and then flows in refrigerant pipe.
Summary of the invention
Embodiments of the invention provide a kind of refrigeration plant compressor, can effectively prevent lubricant oil from entering refrigerant pipe, can prevent from producing inhalation resistance at sucking pipe place during compressor air suction simultaneously, ensure the performance of compressor, and the manufacture cost of compressor can be reduced, prevent sucking pipe from rupturing.
For achieving the above object, The embodiment provides a kind of refrigeration plant compressor, comprise housing, inner chamber is provided with in described housing, described housing is equipped with sucking pipe, one end of described sucking pipe is positioned at described inner chamber, the other end is positioned at outside described housing, one end that described sucking pipe is positioned at described inner chamber is arranged with flexible pipe, described flexible pipe inwall is at least partially fitted in its natural state, when described compressor operating, the refrigeration agent that sucking pipe sucks can strut the inwall of described flexible pipe laminating and enter in described inner chamber.
Embodiments of the invention additionally provide a kind of refrigeration plant, comprise the refrigeration plant compressor described in technique scheme.
A kind of refrigeration plant compressor that the embodiment of the present invention provides and refrigeration plant, the one end being positioned at inner chamber due to sucking pipe is arranged with flexible pipe, and this flexible pipe inwall is at least partially fitted in its natural state, therefore when compressor stops refrigeration, and during to sucking pipe lopsidedness, lubricant oil in inner chamber does not enter refrigerant pipe by this flexible pipe, avoids occurring that lubricant oil punctures the phenomenon of valve plate, thus effectively ensure that the refrigeration of refrigeration plant.Thus when casing transport, refrigeration plant can be put upside down or be sidelong, thus improve packaging products in boxes rate, reducing cost of transportation.And when compressor is just being put, and when starting to freeze, continuous print gaseous refrigerant can guarantee that strutting flexible pipe enters in inner chamber by sucking pipe, thus ensure that the performance of compressor, and recess and steel ball are set in sucking pipe compared in prior art, the fabricating cost of the embodiment of the present invention is lower, and manufacture difficulty is less.Meanwhile, due to the lighter weight of flexible pipe, the burden that sucking pipe is positioned at the inner overhang of compressor can not be increased the weight of, sucking pipe therefore can not be made to produce fracture.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of prior art refrigeration plant compressor;
Fig. 2 is the structural representation of embodiment of the present invention refrigeration plant compressor.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In describing the invention, it will be appreciated that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
Refrigeration plant generally includes buttery and refrigeration system, and buttery is used for storing food, and refrigeration system is for reducing the temperature of food storage indoor.In refrigeration plant, refrigeration system is the key affecting refrigeration plant performance in process of container transportation.Refrigeration system comprises compressor, condenser, throttle valve (Small Refrigerating Equipment, general employing capillary tube) and the large parts of vaporizer four, these four large parts connect into a locking system by multiple pipeline, this locking system can take refrigeration agent as media implementation circularly cooling, compressor is the power equipment realizing circularly cooling, for low-temp low-pressure vaporous pressurizes refrigerant is become high pressure high temperature vapor, then by outlet pipe, this high pressure high temperature vapor is delivered to condenser, externally heat release within the condenser, high pressure high temperature vapor becomes high pressure Normal Atmospheric Temperature Liquid through cooling condensation, this high pressure Normal Atmospheric Temperature Liquid is sent into vaporizer and is carried out heat absorption step-down after throttle valve reducing pressure by regulating flow, thus reduce the temperature of food storage indoor, realize the storage of food, Normal Atmospheric Temperature Liquid is become low temperature low pressure gas simultaneously, and sent in compressor by sucking pipe to recycle.
With reference to Fig. 2, Fig. 2 is a specific embodiment of embodiment of the present invention refrigeration plant compressor, the refrigeration plant compressor of the present embodiment comprises housing 1, inner chamber 2 is provided with in described housing 1, described housing 1 is equipped with sucking pipe 3, one end of described sucking pipe 3 is positioned at described inner chamber 2, the other end is positioned at outside described housing 1, one end that described sucking pipe 3 is positioned at described inner chamber 2 is arranged with flexible pipe 4, described flexible pipe 4 inwall is at least partially fitted in its natural state, when described compressor operating, the refrigeration agent that sucking pipe 3 sucks can strut the inwall of described flexible pipe 4 laminating and enter in described inner chamber 2.
A kind of refrigeration plant compressor that the embodiment of the present invention provides, the one end being positioned at inner chamber 2 due to sucking pipe 3 is arranged with flexible pipe 4, and this flexible pipe 4 flexible pipe inwall is at least partially fitted in its natural state, therefore when compressor stops refrigeration, and during to sucking pipe 3 lopsidedness, lubricant oil in inner chamber does not enter refrigerant pipe by this flexible pipe 4, avoids occurring that lubricant oil punctures or damages the phenomenon of valve plate, thus effectively ensure that the refrigeration of refrigeration plant.Thus when casing transport, refrigeration plant can be put upside down or be sidelong, thus improve packaging products in boxes rate, reducing cost of transportation.And when compressor is just being put, and when starting to freeze, continuous print gaseous refrigerant can guarantee that strutting flexible pipe 4 enters in inner chamber 2 by sucking pipe 3, inhalation resistance can not be produced, thus ensure that the performance of compressor, and compared in prior art, recess and steel ball being set in sucking pipe 3, the fabricating cost of embodiment of the present invention refrigeration plant compressor is lower, difficulty is less.Meanwhile, due to the lighter weight of flexible pipe 4, the burden that sucking pipe 3 is positioned at the inner cantilever beam structure of compressor can not be increased the weight of, sucking pipe 3 therefore can not be made to produce fracture.
In the above-described embodiments, cylinder (not shown) is also provided with in the housing 1 of compressor, sucking pipe 3 is welded on the wall of housing 1, outer end is connected with the muffler of circuit system, inner end is exposed in inner chamber 2, and the low-temperature low-pressure refrigerant gas in the circulatory system enters this inner chamber 2 by sucking pipe 3; Cylinder is provided with suction port and relief opening, gas in inner chamber 2 can enter in cylinder by suction port, relief opening is connected with outlet pipe, suction port and exhaust ports are equipped with valve plate, and when valve plate is closed, suction port and relief opening are all closed, now by cylinder piston to gas pressurized, produce high temperature and high pressure gas, then open the valve plate that relief opening is corresponding, high temperature and high pressure gas is expelled in the circulatory system by outlet pipe.
Wherein, the position that hose inner wall is fitted naturally can be positioned in the middle part of flexible pipe or flexible pipe away from one end of described sucking pipe, when the position of hose inner wall laminating is positioned in the middle part of flexible pipe, because one end inwall of flexible pipe away from described sucking pipe is not fitted, therefore when compressor stops refrigeration, and during to sucking pipe 3 lopsidedness, the lubricant oil in inner chamber has the end entering flexible pipe 4 opening on a small quantity, therefore there is the inwall strutting flexible pipe 4 and enter the risk of refrigerant pipe.In order to avoid above-mentioned defect, preferably the position that hose inner wall is fitted naturally is arranged at flexible pipe 4 one end away from described sucking pipe 3, lubricant oil can be stoped thus to enter in flexible pipe 4.
In the above-described embodiments, if flexible pipe 4 is long, when compressor cooling air-breathing, the end of flexible pipe 4 easily props up the miscellaneous part (as cylinder, motor etc.) of inner chamber 2 inside, thus cause flexible pipe 4 end to produce inhalation resistance, reduce the performance of compressor.Therefore, in order to avoid the problems referred to above, preferably the length of flexible pipe 4 is less than or equal to 100 millimeters, preferably be less than or equal to 50 millimeters, this length is less than the distance in compressor between sucking pipe 3 end to adjacent component, effectively can prevent from flexible pipe 4 end from contacting with miscellaneous part to offset, thus prevent inhalation resistance, ensure that the performance of compressor.
Wherein, if the thickness of flexible pipe 4 is excessive, be difficult to ensure that flexible pipe 4 is fitted completely away from the inwall of one end of sucking pipe 3, the gap that easy generation is certain, therefore when compressor is to sucking pipe 3 lopsidedness, a small amount of lubricant oil easily enters flexible pipe from flexible pipe 4 gap of not fitting, and then enter in sucking pipe 3 and refrigerant pipe, increase the possibility that lubricant oil punctures valve plate, and when compressor cooling air-breathing, the thickness of flexible pipe 4 is larger, in opposing sucking pipe 3, to support the power of large flexible pipe 4 larger for gas, make gas can not strut flexible pipe 4 completely, thus cause certain inhalation resistance, reduce the performance of compressor.Therefore, in order to avoid the problems referred to above, the thickness of flexible pipe 4 should be less than or equal to 0.5 millimeter, the thickness of preferred flexible pipe 4 is less than or equal to 0.1 millimeter, and flexible pipe 4, can when compressor stops refrigeration in this thickness range, flexible pipe 4 is fitted completely away from one end inwall of sucking pipe 3, and when compressor cooling, flexible pipe 4 is strutted by gas in sucking pipe 3 completely, to ensure the performance of compressor.
Because flexible pipe 4 is positioned at compressor inside, the temperature of compressor inside is higher, and therefore flexible pipe 4 need be made by exotic material, and preferably, flexible pipe 4 can tolerate the temperature of more than 150 degree.And for the ease of realizing the folding of flexible pipe 4 away from one end of sucking pipe 3, flexible pipe 4 preferably adopts heat-resisting soft plastic production.
Particularly, can the making material of preferred flexible pipe 4 be polyamide 66, polysulfones, polyarylsulfone (PAS) or polyether sulfone.
The embodiment of the present invention additionally provides a kind of refrigeration plant, comprises the refrigeration plant compressor described in above-described embodiment.
Because the compressor used in the refrigeration plant of the present embodiment is identical with the compressor provided in each embodiment of above-mentioned refrigeration plant compressor, therefore the two can solve identical technical problem, and reaches identical Expected Results.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (9)
1. a refrigeration plant compressor, comprise housing, be provided with inner chamber in described housing, described housing is equipped with sucking pipe, one end of described sucking pipe is positioned at described inner chamber, the other end is positioned at outside described housing, it is characterized in that, one end that described sucking pipe is positioned at described inner chamber is arranged with flexible pipe, and described flexible pipe inwall is at least partially fitted in its natural state, when described compressor operating, the refrigeration agent that sucking pipe sucks can strut the inwall of described flexible pipe laminating and enter in described inner chamber.
2. refrigeration plant compressor according to claim 1, is characterized in that, described flexible pipe is fitted in its natural state away from the inwall of one end of described sucking pipe.
3. refrigeration plant compressor according to claim 1 and 2, is characterized in that, the length of described flexible pipe is less than or equal to 100 millimeters.
4. refrigeration plant compressor according to claim 3, is characterized in that, the length of described flexible pipe is less than or equal to 50 millimeters.
5. refrigeration plant compressor according to claim 1 and 2, is characterized in that, the thickness of described flexible pipe is less than or equal to 0.5 millimeter.
6. refrigeration plant compressor according to claim 5, is characterized in that, the thickness of described flexible pipe is less than or equal to 0.1 millimeter.
7. refrigeration plant compressor according to claim 1 and 2, is characterized in that, described flexible pipe is heat-resisting soft plastic material.
8. refrigeration plant compressor according to claim 1 and 2, is characterized in that, the making material of described flexible pipe is polyamide 66, polysulfones, polyarylsulfone (PAS) or polyether sulfone.
9. a refrigeration plant, is characterized in that, comprises the refrigeration plant compressor according to any one of claim 1 ~ 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510644954.0A CN105298846A (en) | 2015-09-30 | 2015-09-30 | Compressor for refrigerating device and refrigerating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510644954.0A CN105298846A (en) | 2015-09-30 | 2015-09-30 | Compressor for refrigerating device and refrigerating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105298846A true CN105298846A (en) | 2016-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510644954.0A Pending CN105298846A (en) | 2015-09-30 | 2015-09-30 | Compressor for refrigerating device and refrigerating device |
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| Country | Link |
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| CN (1) | CN105298846A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US996588A (en) * | 1909-09-02 | 1911-06-27 | Nat Carbonated Liquid Co | Combined union and check valve. |
| CN2342333Y (en) * | 1998-10-16 | 1999-10-06 | 吴义国 | Inclinable household refrigerator compressor |
| US6305420B1 (en) * | 1997-07-22 | 2001-10-23 | Federal-Mogul Technology Limited | Head gasket with a check valve |
| CN2694070Y (en) * | 2004-04-06 | 2005-04-20 | 胡善明 | Air inlet valve part for water-saving toilet flushing equipment |
| CN201561166U (en) * | 2009-11-14 | 2010-08-25 | 裕东（中山）机械工程有限公司 | Pneumatic check valve |
| CN104696197A (en) * | 2015-03-20 | 2015-06-10 | 马鞍山市博浪热能科技有限公司 | Check valve and compressor system with same |
-
2015
- 2015-09-30 CN CN201510644954.0A patent/CN105298846A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US996588A (en) * | 1909-09-02 | 1911-06-27 | Nat Carbonated Liquid Co | Combined union and check valve. |
| US6305420B1 (en) * | 1997-07-22 | 2001-10-23 | Federal-Mogul Technology Limited | Head gasket with a check valve |
| CN2342333Y (en) * | 1998-10-16 | 1999-10-06 | 吴义国 | Inclinable household refrigerator compressor |
| CN2694070Y (en) * | 2004-04-06 | 2005-04-20 | 胡善明 | Air inlet valve part for water-saving toilet flushing equipment |
| CN201561166U (en) * | 2009-11-14 | 2010-08-25 | 裕东（中山）机械工程有限公司 | Pneumatic check valve |
| CN104696197A (en) * | 2015-03-20 | 2015-06-10 | 马鞍山市博浪热能科技有限公司 | Check valve and compressor system with same |
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Application publication date: 20160203 |
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| RJ01 | Rejection of invention patent application after publication |