CN105241124A - Refrigeration device - Google Patents
Refrigeration device Download PDFInfo
- Publication number
- CN105241124A CN105241124A CN201510647032.5A CN201510647032A CN105241124A CN 105241124 A CN105241124 A CN 105241124A CN 201510647032 A CN201510647032 A CN 201510647032A CN 105241124 A CN105241124 A CN 105241124A
- Authority
- CN
- China
- Prior art keywords
- compressor
- muffler
- check valve
- air intake
- intake duct
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The invention provides a refrigeration device and relates to the technical field of refrigeration equipment. By means of the refrigeration device, the problems that in order to upend or sidelong place a refrigeration device to put the refrigeration device into a container or for transportation, a designed anti-oil-return compressor is large in size and high in production cost in the prior art are solved. The refrigeration device comprises a compressor and an evaporator. An air suction pipe penetrates through a shell body of the compressor. The end, located outside the shell body of the compressor, of the air suction pipe is connected with the evaporator through an air return pipe. The refrigeration device further comprises a check valve. The check valve is in series connection with the air return pipe or in series connection between the air return pipe and the air suction pipe. The inlet end of the check valve is communicated with the evaporator. The outlet end of the check valve is communicated with the compressor. The refrigeration device can be used for a refrigerator or a freezer.
Description
Technical field
The present invention relates to technical field of refrigeration equipment, particularly relate to a kind of refrigerating plant.
Background technology
Present refrigerating plant (as refrigerator or refrigerator), from user of dispatching from the factory, all needs transport, when transporting vanning, 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 closed circuit system, is connected with compressor in this closed circuit system, for low-temp low-pressure vaporous pressurizes refrigerant is become high pressure high temperature vapor.Usually adopt fully closed compressor in refrigerating plant, compressor and motor are assembled together and put into shell by fully closed compressor, and its volume is little, compact conformation, can increase refrigeration space.Be illustrated in figure 1 the structural representation of fully closed compressor, see Fig. 1, fully closed compressor comprises shell 01, cylinder 02, air intake duct 03 and blast pipe 04, it is inner that cylinder 02 is arranged at shell 01, it is inner chamber 05 between shell 01 and cylinder 02, there is a large amount of lubricating oil 06 in inner chamber 05, for lubricate compressors internal activity parts, reduce the temperature of motor.Air intake duct 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 gas in the circulatory system enters this inner chamber 05 by air intake duct 03; Cylinder 02 is provided with air inlet 021 and exhaust outlet 022, gas in inner chamber 05 can enter in cylinder 02 by air inlet 021, exhaust outlet 022 is connected with blast pipe 04, air inlet 021 and exhaust outlet 022 place are equipped with valve plate 023, when valve plate 023 is closed, air inlet 021 and exhaust outlet 022 all closed, now give gas pressurized by cylinder piston 024, produce high temperature and high pressure gas, then open the corresponding valve plate 023 of exhaust outlet 022, high temperature and high pressure gas is expelled in the circulatory system by blast pipe 04.
Therefore, the reason hindering refrigerating plant to put upside down or to be sidelong is: have a large amount of lubricating oil 06 in the inner chamber 05 of compressor, if compressor is put upside down for a long time or sleeping to put, the lubricating oil 06 in compressor will be made to enter muffler by air intake duct 03, and then enter refrigerating circuit system, and due to the structure restriction of closed circuit system and long Transport Vibration, even if cause device again for a long time static quadrature reactance put, lubricating oil 06 can not rely on its gravity current to return in compressor completely.Therefore, in the moment that starting drive runs, produce negative pressure in refrigerating circuit, a large amount of lubricating oil 06 by suck-back in the cylinder 02 of compressor, and due to lubricating 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 to puncture, thus cause product not freeze, product failure.
Enter in refrigeration piping to prevent lubricating oil, Chinese patent CN98222671.3 proposes to arrange flow-stop valve in the inner air intake duct of compressor, the structure of flow-stop valve for arrange a recess bottom air intake duct, 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 air intake duct pipeline unimpeded; And when compressor tilts to air intake duct direction, steel ball can move into air intake duct, to block the air-breathing mouth of pipe, prevent lubricating oil from entering in air intake duct, play the effect of check-valves.But because this flow-stop valve is arranged at compressor inside, therefore compressor inner space is occupied, be unfavorable for reaching compressor Miniaturization Design object, and put upside down in order to refrigerating plant meets or be sidelong demand, need special inside customized that the compressor of flow-stop valve is set, thus improve the cost of manufacture of refrigerating plant.Meanwhile, the part being positioned at compressor due to air intake duct is that one end is fixed, the cantilever beam structure of other end suspension, and cantilever beam structure cannot provide larger support force, therefore after flow-stop valve being installed on air intake duct the inner, the heavy burden of cantilever beam can be increased, easily cause air intake duct to rupture.
Summary of the invention
Embodiments of the invention provide a kind of refrigerating plant, on the basis keeping the original size of compressor and cost of manufacture, can realize putting upside down or being sidelong vanning, improve packaging products in boxes rate, reduce cost of transportation, and muffler can be avoided to produce fracture.
For achieving the above object, The embodiment provides a kind of refrigerating plant, comprise compressor and evaporimeter, described compressor housing is equipped with air intake duct, described air intake duct is positioned at the external one end of described compression case and is connected by muffler with described evaporimeter, also comprises check valve, and described check valve is serially connected with on described muffler or is serially connected with between described muffler and described air intake duct, the arrival end of described check valve is communicated with described evaporimeter, and the port of export is communicated with described compressor.
A kind of refrigerating plant that the embodiment of the present invention provides, evaporimeter is connected by muffler with compressor, and particularly, evaporimeter is connected with muffler, and muffler is connected with the air intake duct on compressor.Be serially connected with on described muffler due to check valve or be serially connected with between described muffler and described air intake duct, and the arrival end of check valve is communicated with described evaporimeter, the port of export is communicated with described compressor, and therefore, check valve only allows the medium in muffler to flow to compressor by evaporimeter.Thus, when refrigerating plant is to air intake duct lopsidedness, check valve can prevent a large amount of lubricating oil in inner chamber from being flowed into by muffler in the pipeline of evaporimeter and other end connection, thus stop lubricating oil to enter cylinder, avoid occurring that lubricating oil punctures the phenomenon of valve plate, and then effectively ensure that the refrigeration of refrigerating plant.Thus, when casing transport, the refrigerating plant of the embodiment of the present invention can be put upside down or be sidelong, thus improve packaging products in boxes rate, reducing cost of transportation.And, because check valve is in compressor outside, therefore without the need to carrying out operation improving in compressor inside, can keep original compressor arrangement size and cost of manufacture constant.Meanwhile, be serially connected with on described muffler due to described check valve or be serially connected with between described muffler and described air intake duct, all there is support at the two ends of check valve, and therefore structure is comparatively firm, can reduce the risk that fracture occurs muffler.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical 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 fully closed compressor;
Fig. 2 is the structural representation of embodiment of the present invention refrigerating plant.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical 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.
Refrigerating 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 refrigerating plant, refrigeration system is the key affecting refrigerating plant performance in process of container transportation.Refrigeration system comprises compressor and evaporimeter, evaporimeter is arranged at the inside of buttery, compressor case is equipped with air intake duct, air intake duct is connected with evaporimeter by muffler, when being freezed by refrigeration system, refrigerant liquid heat absorption evaporation after step-down in refrigeration system is become low-temp low-pressure steam by evaporimeter, endothermic process makes the food temperature in buttery reduce, low-temp low-pressure steam enters compressor inner chamber respectively by muffler and air intake duct, is compressed to wait for entering in cylinder; When compressor is to air intake duct lopsidedness, in inner chamber, a large amount of lubricating oil easily enters muffler by air intake duct, and then enters in the refrigeration pipings such as evaporimeter, causes product not freeze, product failure.
With reference to Fig. 2, Fig. 2 is a specific embodiment of embodiment of the present invention refrigerating plant, the refrigerating plant of the present embodiment comprises compressor 1 and evaporimeter 2, described compressor housing is equipped with air intake duct, one end that described air intake duct is positioned at outside described compressor 1 housing is connected by muffler 4 with described evaporimeter 2, also comprise check valve 3, described check valve 3 is serially connected with on described muffler 4 or is serially connected with between described muffler 4 and described air intake duct, the arrival end of described check valve 3 is communicated with described evaporimeter 2, and the port of export is communicated with described compressor 1.
A kind of refrigerating plant that the embodiment of the present invention provides, evaporimeter 2 is connected by muffler 4 with compressor 1, and particularly, evaporimeter 2 is connected with muffler 4, and muffler 4 is connected with the air intake duct on compressor 1.Be serially connected with on described muffler 4 due to described check valve 3 or be serially connected with between described muffler 4 and described air intake duct, and the arrival end of check valve 3 is communicated with described evaporimeter 2, the port of export is communicated with described compressor 1, thus only allows the medium in muffler 4 to flow to compressor 1 by evaporimeter 2.Therefore when refrigerating plant inclination certain angle is placed, check valve 3 can prevent the lubricating oil in inner chamber from flowing in the pipeline of evaporimeter 2 and other end connection by muffler 4, lubricating oil is stoped to enter cylinder, avoid occurring that lubricating oil punctures the phenomenon of valve plate, thus effectively ensure that the refrigeration of refrigerating plant.Thus when casing transport, the refrigerating plant of the embodiment of the present invention can be put upside down or be sidelong, thus improve packaging products in boxes rate, reducing cost of transportation.And to be in compressor 1 outside due to check valve 3, therefore can keep original compressor 1 physical dimension and cost of manufacture constant.Meanwhile, be serially connected with on described muffler 4 due to described check valve 3 or be serially connected with between described muffler 4 and described air intake duct, all there is support at the two ends of check valve 3, and therefore structure is comparatively firm, can reduce the risk that muffler 4 produces fracture.
Be illustrated in figure 2 refrigerating system figure, refrigeration system comprises compressor 1, condenser 6 and choke valve 5 (Small Refrigerating Equipment, general employing capillary), evaporimeter 2, check valve 3 and muffler 4, above-mentioned each parts connect into a closed system by multiple pipeline, this closed system can take cold-producing medium as media implementation circularly cooling, compressor 1 is for realizing the power-equipment of circularly cooling, for low-temp low-pressure vaporous pressurizes refrigerant is become high pressure high temperature vapor, then by blast 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 evaporimeter 2 and is carried out heat absorption step-down after choke valve reducing pressure by regulating flow, thus reduce the temperature of refrigerating plant inside, realize the refrigeration of food, Normal Atmospheric Temperature Liquid is become low temperature low pressure gas simultaneously, and sent in compressor 1 by air intake duct to recycle.
In order to reduce the possibility of lubricating oil suck-back to cylinder, preferably, check valve 3 is arranged near compressor 1, to shorten the length of the muffler 4 between check valve 3 and compressor 1 as far as possible, thus prevent from entering too much lubricating oil in muffler 4, thus reduce the possibility of lubricating oil suck-back to cylinder.
The caliber of muffler 4 is generally 6 millimeters or 8 millimeters, in order to make up the flow resistance that check valve 3 causes, suitably caliber can be increased, such as, being originally that the caliber of 6 millimeters can be increased to and is greater than 6 millimeters and is less than 8 millimeters, is originally that the caliber of 8 millimeters can be increased to and is greater than 8 millimeters and is less than 10 millimeters.Preferably, inch standard pipe can be selected, such as, can select to adopt caliber to be that the pipe of 6.35 millimeters or 7.94 millimeters substitutes the pipe that original caliber is 6 millimeters, selection employing caliber is that the pipe of 9.52 millimeters substitutes the pipe that original caliber is 8 millimeters, to make up the flow resistance that check valve 3 causes.
Wherein, check valve 3 can be serially connected with on muffler 4 in the horizontal direction, and two ends are welded with muffler 4, or is serially connected with between described muffler 4 and described air intake duct, and one end is welded with muffler 4, and the other end welds with described air intake duct.Vertically can also be serially connected with on muffler 4 or be serially connected with between described muffler 4 and described air intake duct.When adopting the first scheme above-mentioned, because check valve 3 self has certain gravity, and horizontally disposed muffler 4 is more weak at the support force of vertical direction, therefore easily causes muffler 4 to be out of shape.Therefore, in order to avoid the problems referred to above, preferably check valve 3 is vertically serially connected with on muffler 4, and two ends are welded with muffler 4; Or be serially connected with between described muffler 4 and described air intake duct, one end is welded with muffler 4, and the other end welds with described air intake duct.Thus form entirety with muffler 4 and described air intake duct, intensity can be guaranteed, muffler 4 still can not be out of shape or rupture under long-time transport turbulent conditions, when check valve 3 is vertically connected in series simultaneously, horizontal range between check valve 3 and compressor 1 is shorter, thus reaches the object of saving compressor installing space.
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 (7)
1. a refrigerating plant, comprise compressor and evaporimeter, it is characterized in that, described compressor housing is equipped with air intake duct, described air intake duct is positioned at the external one end of described compression case and is connected by muffler with described evaporimeter, also comprises check valve, and described check valve is serially connected with on described muffler or is serially connected with between described muffler and described air intake duct, the arrival end of described check valve is communicated with described evaporimeter, and the port of export is communicated with described compressor.
2. refrigerating plant according to claim 1, is characterized in that, described check valve is arranged near described compressor.
3. refrigerating plant according to claim 1, is characterized in that, the caliber of described muffler is greater than 6 millimeters and is less than 8 millimeters.
4. refrigerating plant according to claim 3, is characterized in that, the caliber of described muffler is 6.35 millimeters or 7.94 millimeters.
5. refrigerating plant according to claim 1, is characterized in that, the caliber of described muffler is greater than 8 millimeters and is less than 10 millimeters.
6. refrigerating plant according to claim 5, is characterized in that, the caliber of described muffler is 9.52 millimeters.
7. refrigerating plant according to claim 1, is characterized in that, described check valve is vertically serially connected with on described muffler, and the two ends of described check valve are welded with described muffler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510647032.5A CN105241124A (en) | 2015-09-30 | 2015-09-30 | Refrigeration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510647032.5A CN105241124A (en) | 2015-09-30 | 2015-09-30 | Refrigeration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105241124A true CN105241124A (en) | 2016-01-13 |
Family
ID=55038866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510647032.5A Pending CN105241124A (en) | 2015-09-30 | 2015-09-30 | Refrigeration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105241124A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630832A (en) * | 2017-10-20 | 2018-01-26 | 烟台蓝德空调工业有限责任公司 | A kind of high evaporating temperature centrifugal compressor extract system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2240130Y (en) * | 1995-05-18 | 1996-11-13 | 上海冰箱压缩机股份有限公司 | Composite liquid reservoir for rotary refrigerator compressor |
| JP2010175110A (en) * | 2009-01-28 | 2010-08-12 | Hoshizaki Electric Co Ltd | Cooling storage |
| 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 |
| CN104728086A (en) * | 2013-12-19 | 2015-06-24 | 青岛东昌源仪器有限公司 | Energy-saving compressor |
-
2015
- 2015-09-30 CN CN201510647032.5A patent/CN105241124A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2240130Y (en) * | 1995-05-18 | 1996-11-13 | 上海冰箱压缩机股份有限公司 | Composite liquid reservoir for rotary refrigerator compressor |
| JP2010175110A (en) * | 2009-01-28 | 2010-08-12 | Hoshizaki Electric Co Ltd | Cooling storage |
| CN104728086A (en) * | 2013-12-19 | 2015-06-24 | 青岛东昌源仪器有限公司 | Energy-saving compressor |
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630832A (en) * | 2017-10-20 | 2018-01-26 | 烟台蓝德空调工业有限责任公司 | A kind of high evaporating temperature centrifugal compressor extract system |
| CN107630832B (en) * | 2017-10-20 | 2023-10-13 | 烟台蓝德空调工业有限责任公司 | High evaporating temperature centrifugal compressor air extraction system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102713463B (en) | Refrigeration storage in refrigerant vapor compression system | |
| JP6235467B2 (en) | Condenser / evaporator for cooling device and method thereof | |
| CN105579787A (en) | Refrigeration cycle device | |
| JP2014517249A (en) | Cooling system and cooling method | |
| CN104142033B (en) | A kind of carbon dioxide refrigeration apparatus structure | |
| JP2010520985A (en) | Refrigerant charge storage | |
| JPWO2014045394A1 (en) | Refrigeration equipment | |
| CN105333599A (en) | Air replenishing and enthalpy increasing air conditioning system | |
| CN104380015A (en) | Refrigerator | |
| WO2021008331A1 (en) | Heat pump unit | |
| CN105241124A (en) | Refrigeration device | |
| CN105202830A (en) | Three-device integrated device | |
| CN100439826C (en) | Refrigerator | |
| CN209910083U (en) | Power heat pipe multi-connected air conditioner all-in-one machine | |
| JP5975706B2 (en) | Accumulator and refrigeration cycle apparatus | |
| CN206488521U (en) | A kind of gas-liquid separator of compatible Subcooled heat recovery function | |
| CN204783682U (en) | Air conditioning system's compressor and air conditioning system who has this compressor | |
| CN203719220U (en) | Compressing and condensing unit | |
| CN104976122B (en) | The compressor of air-conditioning system and the air-conditioning system with the compressor | |
| US20210215410A1 (en) | Cooling system with flooded low side heat exchangers | |
| CN106225286A (en) | A kind of overlapping refrigerating cycle system | |
| CN103277946A (en) | Roll-bond evaporator and refrigerator with same | |
| CN105135768A (en) | Refrigeration equipment and control method thereof | |
| CN105222424A (en) | A kind of gas-liquid separation device | |
| CN217274981U (en) | Refrigerating system and refrigerator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160113 |