CN203375758U - Refrigerating cycle system - Google Patents
Refrigerating cycle system Download PDFInfo
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- CN203375758U CN203375758U CN201320330935.7U CN201320330935U CN203375758U CN 203375758 U CN203375758 U CN 203375758U CN 201320330935 U CN201320330935 U CN 201320330935U CN 203375758 U CN203375758 U CN 203375758U
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- temperature
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- reheater
- cycle system
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- 238000001816 cooling Methods 0.000 claims description 38
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 229920000742 Cotton Polymers 0.000 claims description 4
- 238000004321 preservation Methods 0.000 claims description 4
- 239000002826 coolant Substances 0.000 abstract description 16
- 230000005540 biological transmission Effects 0.000 abstract 1
- 239000003507 refrigerant Substances 0.000 description 24
- 238000007599 discharging Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 238000004781 supercooling Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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Abstract
The utility model discloses a refrigerating cycle system. The refrigerating cycle system comprises an evaporator, a condenser, a throttling element, a compressor and a reheater, wherein the outlet of the condenser is connected with the inlet of the evaporator; the throttling element is arranged between the outlet of the throttling element and the inlet of the evaporator; the low-temperature inlet of the reheater is connected with the outlet of the evaporator, the low-temperature outlet of the reheater is connected with the inlet of the compressor, the high-temperature inlet of the reheater is connected with the outlet of the compressor, and the high-temperature outlet of the reheater is connected with the inlet of the condenser. High-temperature and high-pressure gaseous coolants discharged from the outlet of the compressor flow between the high-temperature inlet of the reheater and the high-temperature outlet of the reheater; in the reheater, low-temperature and low-pressure coolants flowing out of the outlet of the evaporator can be heated to generate degree of superheat of the low-temperature and low-pressure coolants. Exhausting coolants are gaseous coolants with the highest temperature in the whole refrigerating cycle system, inhaling coolants are gaseous coolants with the lowest temperature in the whole refrigerating cycle system, the temperature difference between the highest temperature and the lowest temperature is extremely high, and accordingly heat transmission is facilitated.
Description
Technical field
The utility model relates to the air-conditioning refrigeration system technical field, in particular to a kind of cooling cycle system.
Background technology
Existing cooling cycle system, when the heat exchange area (heat exchange amount) of design evaporimeter, generally all can consider to increase a part of heat exchange area and produce the degree of superheat of 4～6k to guarantee the evaporator outlet refrigerant, purpose is in order to guarantee that compressor sucks refrigerant and is always gaseous state, prevent the compressor hydraulic compression, jeopardize compressor safety.From heat exchange area (be the material cost of heat exchanger, generally show as the copper pipe consumption) aspect, consider, the cost performance (refrigerating capacity increasing degree/cost increasing degree) of the evaporimeter medium side outlet design degree of superheat is very low.
Therefore, some minitype air conditioners (as domestic air conditioning), adopt reheat vapor cycle to solve this problem usually.Reheat vapor cycle is by condensator outlet refrigerant and evaporator outlet refrigerant, introduces respectively in newly-increased heat exchanger (reheater), and the heat exchange of two-way refrigerant, from the heat radiation of the refrigerant of condensator outlet, obtained coldly, and the complete machine refrigerating capacity slightly has lifting; Refrigerant from evaporator outlet absorbs this part heat radiation, and it is overheated to obtain, and guarantees compressor operating safety.Thus, the degree of superheat of compressor air suction mouth refrigerant, obtain by reheater, directly in evaporimeter, do not produce, and the cost of evaporimeter can be reduced.
But, in whole kind of refrigeration cycle, in compressor air-discharging and breathing process, the temperature of refrigerant is respectively temperature high, minimum in system.The liquid refrigerants of condensator outlet, its temperature is the temperature occupy between compressor air-discharging and suction temperature; The gaseous coolant of evaporator outlet, its temperature approaches the compressor air suction temperature.In reheater, between high temperature side, low temperature side refrigerant, the temperature difference is not very large like this, and heat-transfer effect is to be improved.
The utility model content
The utility model is intended at least solve one of technical problem existed in prior art.
In view of this, the utility model need to provide a kind of cooling cycle system, described cooling cycle system at least goes for the reheat vapor cycle of large-scale unit, reduce the material cost of evaporimeter, perhaps in the situation that do not change evaporimeter, promote evaporimeter heat exchange amount, improve the efficiency of cooling cycle system.
According to embodiment of the present utility model, a kind of cooling cycle system is provided, comprising: evaporimeter; Condenser, the outlet of described condenser is connected with the entrance of described evaporimeter; Restricting element, described restricting element is located between the entrance of the outlet of described condenser and described evaporimeter; Compressor; And reheater, the low temperature entrance of described reheater is connected with the outlet of described evaporimeter, the low temperature outlet of described reheater is connected with the entrance of described compressor, the high temperature entrance of described reheater is connected with the outlet of described compressor, and the high temperature outlet of described reheater is connected with the entrance of described condenser.
Cooling cycle system according to embodiment of the present utility model, what between the high temperature entrance of reheater and high temperature outlet, flow is the HTHP gaseous coolant of discharging from the outlet of compressor, in reheater, the low-temp low-pressure refrigerant that can flow out the outlet of evaporimeter is heated, and makes it produce the degree of superheat.The exhaust refrigerant is the highest gaseous coolant of temperature in whole cooling cycle system, and air-breathing refrigerant is the minimum gaseous coolant of temperature in whole cooling cycle system, and both temperature difference are very big, contributes to conduct heat.
According to an embodiment of the present utility model, the outlet of described compressor separates two branch roads, and one of them branch road is connected with the entrance of described condenser, and another branch road is connected with the high temperature entrance of described reheater.
According to an embodiment of the present utility model, described reheater comprises: cryotronl, and described cryotronl is configured with described low temperature entrance and the outlet of described low temperature; And high-temperature pipe, described high-temperature pipe is configured with described high temperature entrance and the outlet of described high temperature, and described high-temperature pipe is wrapped on the outer wall of described cryotronl.
According to an embodiment of the present utility model, the cross section of described high-temperature pipe is annular or oval ring.
According to an embodiment of the present utility model, the cross section of described high-temperature pipe is annular, and the external diameter of described high-temperature pipe is less than the external diameter of described cryotronl.
According to an embodiment of the present utility model, the outer surface of described cryotronl and the contact position of described high-temperature pipe are provided with the heat conduction glue-line.
According to an embodiment of the present utility model, the outer surface that is wrapped in the high-temperature pipe on described cryotronl is provided with the heat-preservation cotton layer.
According to an embodiment of the present utility model, described high-temperature pipe is wrapped at least two circles on described cryotronl, and the described high-temperature pipe of adjacent two circle is close to and is arranged.
According to an embodiment of the present utility model, described high-temperature pipe is copper pipe.
According to an embodiment of the present utility model, described high-temperature pipe is inner screw thread copper pipe.Additional aspect of the present utility model and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
The accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is the structural representation according to the cooling cycle system of an embodiment of the present utility model;
Fig. 2 is the structural representation according to the cooling cycle system of another embodiment of the present utility model;
Fig. 3 is the structural representation according to the reheater of the cooling cycle system of an embodiment of the present utility model;
Fig. 4 is the cutaway view according to the high-temperature pipe of the cooling cycle system of an embodiment of the present utility model.
Description of reference numerals:
100 cooling cycle systems; 10 compressors; 20 evaporimeters; 30 condensers; 40 reheaters; 90 restricting elements; 41 cryotronls; 42 high-temperature pipes; 411 low temperature entrances; 412 low temperature outlets; 421 high temperature entrances; 422 high temperature outlets; The entrance of 11 compressors; The outlet of 12 compressors; The entrance of 21 evaporimeters; The outlet of 22 evaporimeters; The entrance of 31 condensers; The outlet of 32 condensers; 401 passages.
The specific embodiment
Below describe embodiment of the present utility model in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label means same or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " vertically ", " laterally ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of indications such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second " be only for describing purpose, and can not be interpreted as indication or hint relative importance.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be done broad understanding, for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be also to be electrically connected to; Can be directly to be connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand the concrete meaning of above-mentioned term in the utility model.
As shown in Figure 1, the cooling cycle system 100 according to embodiment of the present utility model comprises: compressor 10, evaporimeter 20, condenser 30, restricting element 90 and reheater 40.
Particularly, the outlet 32 of condenser 30 can be connected with the entrance 21 of evaporimeter 20.Restricting element 90 is located between the entrance 21 of the outlet 32 of condenser 30 and evaporimeter 20.The low temperature entrance 411 of reheater 40 is connected with the outlet 22 of evaporimeter 20, the low temperature outlet 412 of reheater 40 is connected with the entrance 11 of compressor 10, the high temperature entrance 421 of reheater 40 is connected with the outlet 12 of compressor 10, and the high temperature outlet 422 of reheater 40 is connected with the entrance 31 of condenser 30.
Cooling cycle system according to embodiment of the present utility model, what between the high temperature entrance 421 of reheater 40 and high temperature outlet 422, flow is the HTHP gaseous coolant of discharging from the outlet 12 of compressor 10, in reheater 40, the low-temp low-pressure refrigerant that can flow out the outlet 22 of evaporimeter 20 is heated, and makes it produce the degree of superheat.The exhaust refrigerant is the highest gaseous coolant of temperature in whole cooling cycle system 100, and air-breathing refrigerant is the minimum gaseous coolant of temperature in whole cooling cycle system 100, and both temperature difference are very big, contributes to conduct heat.
Be understandable that, the cooling cycle system 100 of embodiment of the present utility model is by changing the position of reheater 40 in cooling cycle system 100, make the degree of superheat (4～6k) of the entrance 11 refrigerants needs of compressor 10, by reheater 40, complete, be specially adapted to dry evaporator 20, this setup improves evaporimeter 20 tube internal heat exchange coefficients, and cold medium flux increases, evaporating temperature improves, and the complete machine refrigerating capacity raises.And, after adopting this cooling cycle system 100, if do not consider to promote refrigerating capacity, can suitably reduce the heat exchange area of dry evaporator 20, thereby reach cost-effective purpose.
As shown in Figure 2, according to an embodiment of the present utility model, the outlet 12 of compressor 10 can separate two branch roads, and one of them branch road is connected with the entrance 31 of condenser 30, and another branch road is connected with the high temperature entrance 421 of reheater 40.Thus, compressor 10 can provide the HTHP gaseous coolant to reheater 40 and condenser 20 simultaneously.Thus, can control the amount that enters the refrigerant in reheater 40.Be understandable that, in the pipeline that can be connected with condenser 20 with reheater 40 at compressor 10, the magnetic valve (not shown) be set, can be controlled the break-make of two above-mentioned branch roads.
As shown in Figure 3, according to an embodiment of the present utility model, described reheater 40 comprises cryotronl 41 and high-temperature pipe 42.Particularly, cryotronl 41 is configured with low temperature entrance 411 and low temperature outlet 412; High-temperature pipe 42 is configured with high temperature entrance 421 and high temperature outlet 422, and high-temperature pipe 42 can be wrapped on the outer wall of cryotronl 41.Thus, can make to carry out heat exchange between high-temperature pipe 42 and cryotronl 41.
Cooling cycle system 100 according to embodiment of the present utility model, the temperature difference between the interior exhaust refrigerant of high-temperature pipe 42 and the air-breathing refrigerant of cryotronl 41 is very big, make the heat transfer effect of high-temperature pipe 42 be better than existing, be arranged on otherwise the reheater 40 in cooling cycle system 100, in addition, at the interior mobile exhaust refrigerant of high-temperature pipe 42, enter after being cooled in condenser 30 and continue heat exchange, reduced to a certain extent the load of condenser 30, the outlet 32 refrigerant degree of supercoolings of condenser 30 also lifting to a certain extent, the complete machine refrigerating capacity of cooling cycle system 100 also can promote to some extent because of the degree of supercooling increase.
As shown in Figure 4, according to an embodiment of the present utility model, high-temperature pipe 42 cross sections can be annular or oval ring.For example, the cross section of high-temperature pipe 42 is oval, thus, can improve the contact area of high-temperature pipe 42 and cryotronl 41.According to an embodiment of the present utility model, the cross section of high-temperature pipe 42 is oval, and its inside can arrange a plurality of passages 401, thus, can improve the heat transfer effect of high-temperature pipe 42.
As shown in Figure 3, according to an embodiment of the present utility model, the cross section of high-temperature pipe 42 can be also annular, and the external diameter of high-temperature pipe 42 is less than the external diameter of cryotronl 41.Thus, adopt the less high-temperature pipe 42 of external diameter can make the area of contact between high-temperature pipe 42 and cryotronl 41 increase, be conducive to increase the heat exchange amount between high-temperature pipe 42 and cryotronl 41.
According to an embodiment of the present utility model, the outer surface of cryotronl 41 and high-temperature pipe 42 contact positions are provided with heat conduction glue-line (not shown).The outer surface that is wrapped in the high-temperature pipe 42 on cryotronl 41 is provided with the heat-preservation cotton layer.Thus, the heat conduction glue-line is set and can contributes to conduct heat, high-temperature pipe 42 tightly can be wrapped up with the heat-preservation cotton layer in the outside of high-temperature pipe 42.
According to an embodiment of the present utility model, high-temperature pipe 42 can be wrapped at least two circles on cryotronl 41, and adjacent two circle high-temperature pipes 42 are close to and are arranged.For example, high-temperature pipe 42 can be copper pipe, and high-temperature pipe 42 can closely be spirally wound on cryotronl 41 outer surfaces a few so that high-temperature pipe 42 forms a conveyor screw.This spirochetal rotation circle footpath (internal diameter) is exactly the external diameter of cryotronl 41.According to an embodiment of the present utility model, in order to improve heat exchange efficiency, high-temperature pipe 42 can be also inner screw thread copper pipe.
According to an embodiment of the present utility model, if the caliber of high-temperature pipe 42 is less, the flow of exhaust gaseous coolant can be on the low side, high-temperature pipe 42 heat exchange amounts can reduce, and therefore can increase the quantity of high-temperature pipe 42, for example, according to an embodiment of the present utility model, high-temperature pipe 42 can be at least two.Be understandable that, the unit of part cooling cycle system 100, the operating mode of compressor 10 operations is very extensive, and compressor 10 height pressure reduction alter a great deal, and in small pressure difference, exhaust and the air-breathing refrigerant temperature difference are less.For this type of situation, can adopt above-mentioned at least two high-temperature pipes 42 of employing in cooling cycle system 100.Cooling cycle system 100 according to embodiment of the present utility model, utilize SIMULATION OF REFRIGERATION software, a dry type heat exchanger (heat exchange area is fixed) simulated as the unit of evaporimeter, just like drawing a conclusion:
After adopting this patent design reheat vapor cycle, complete machine refrigerating capacity/power/COP/ cold medium flux/evaporating temperature, amplification separately: 2.67%, 0.29%, 7.79%, 2.42%, 0.64 ℃.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that, in the situation that do not break away from principle of the present utility model and aim can be carried out multiple variation, modification, replacement and modification to these embodiment, scope of the present utility model is limited by claim and equivalent thereof.
Claims (10)
1. a cooling cycle system, is characterized in that, comprising:
Evaporimeter;
Condenser, the outlet of described condenser is connected with the entrance of described evaporimeter;
Restricting element, described restricting element is located between the entrance of the outlet of described condenser and described evaporimeter;
Compressor; And
Reheater, the low temperature entrance of described reheater is connected with the outlet of described evaporimeter, the low temperature outlet of described reheater is connected with the entrance of described compressor, the high temperature entrance of described reheater is connected with the outlet of described compressor, and the high temperature outlet of described reheater is connected with the entrance of described condenser.
2. cooling cycle system according to claim 1, is characterized in that, the outlet of described compressor separates two branch roads, and one of them branch road is connected with the entrance of described condenser, and another branch road is connected with the high temperature entrance of described reheater.
3. cooling cycle system according to claim 1, is characterized in that, described reheater comprises:
Cryotronl, described cryotronl is configured with described low temperature entrance and the outlet of described low temperature; And
High-temperature pipe, described high-temperature pipe is configured with described high temperature entrance and the outlet of described high temperature, and described high-temperature pipe is wrapped on the outer wall of described cryotronl.
4. cooling cycle system according to claim 3, is characterized in that, the cross section of described high-temperature pipe is annular or oval ring.
5. cooling cycle system according to claim 3, is characterized in that, the cross section of described high-temperature pipe is annular, and the external diameter of described high-temperature pipe is less than the external diameter of described cryotronl.
6. cooling cycle system according to claim 3, is characterized in that, the outer surface of described cryotronl and the contact position of described high-temperature pipe are provided with the heat conduction glue-line.
7. cooling cycle system according to claim 3, is characterized in that, the outer surface that is wrapped in the high-temperature pipe on described cryotronl is provided with the heat-preservation cotton layer.
8. cooling cycle system according to claim 3, is characterized in that, described high-temperature pipe is wrapped at least two circles on described cryotronl, and the described high-temperature pipe of adjacent two circle is close to and is arranged.
9. cooling cycle system according to claim 3, is characterized in that, described high-temperature pipe is copper pipe.
10. cooling cycle system according to claim 9, is characterized in that, described high-temperature pipe is inner screw thread copper pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320330935.7U CN203375758U (en) | 2013-06-08 | 2013-06-08 | Refrigerating cycle system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320330935.7U CN203375758U (en) | 2013-06-08 | 2013-06-08 | Refrigerating cycle system |
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| CN203375758U true CN203375758U (en) | 2014-01-01 |
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| CN201320330935.7U Expired - Lifetime CN203375758U (en) | 2013-06-08 | 2013-06-08 | Refrigerating cycle system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236146A (en) * | 2013-06-08 | 2014-12-24 | 重庆美的通用制冷设备有限公司 | Refrigerating circulation system |
| CN104729134A (en) * | 2015-04-07 | 2015-06-24 | 合肥华凌股份有限公司 | Refrigerating system for refrigerator and refrigerator with same |
| CN105890246A (en) * | 2015-02-13 | 2016-08-24 | 旺矽科技股份有限公司 | Adaptive Temperature Control System For Cooling Working Fluid |
| CN105928232A (en) * | 2016-06-17 | 2016-09-07 | 上海初远环保科技有限公司 | Heat transfer machine |
| CN107513475A (en) * | 2017-07-05 | 2017-12-26 | 杭州千岛湖啤酒有限公司 | A kind of Beer Brewage refrigerant energy conserving system |
| CN108548345A (en) * | 2018-05-18 | 2018-09-18 | 珠海格力电器股份有限公司 | Heat pump system and control method thereof |
| CN109812900A (en) * | 2019-03-22 | 2019-05-28 | 广东美的制冷设备有限公司 | Air conditioner, progress control method and computer readable storage medium |
| CN115751823A (en) * | 2022-12-22 | 2023-03-07 | 珠海格力电器股份有限公司 | Anti-condensation system of air return pipe and refrigerator |
-
2013
- 2013-06-08 CN CN201320330935.7U patent/CN203375758U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236146A (en) * | 2013-06-08 | 2014-12-24 | 重庆美的通用制冷设备有限公司 | Refrigerating circulation system |
| CN104236146B (en) * | 2013-06-08 | 2016-12-28 | 重庆美的通用制冷设备有限公司 | Cooling cycle system |
| CN105890246A (en) * | 2015-02-13 | 2016-08-24 | 旺矽科技股份有限公司 | Adaptive Temperature Control System For Cooling Working Fluid |
| CN104729134A (en) * | 2015-04-07 | 2015-06-24 | 合肥华凌股份有限公司 | Refrigerating system for refrigerator and refrigerator with same |
| CN105928232A (en) * | 2016-06-17 | 2016-09-07 | 上海初远环保科技有限公司 | Heat transfer machine |
| CN107513475A (en) * | 2017-07-05 | 2017-12-26 | 杭州千岛湖啤酒有限公司 | A kind of Beer Brewage refrigerant energy conserving system |
| CN108548345A (en) * | 2018-05-18 | 2018-09-18 | 珠海格力电器股份有限公司 | Heat pump system and control method thereof |
| CN109812900A (en) * | 2019-03-22 | 2019-05-28 | 广东美的制冷设备有限公司 | Air conditioner, progress control method and computer readable storage medium |
| CN115751823A (en) * | 2022-12-22 | 2023-03-07 | 珠海格力电器股份有限公司 | Anti-condensation system of air return pipe and refrigerator |
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