CN101900449B - Refrigeration cycle system using propane as cooling medium - Google Patents
Refrigeration cycle system using propane as cooling medium Download PDFInfo
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- CN101900449B CN101900449B CN 200910085833 CN200910085833A CN101900449B CN 101900449 B CN101900449 B CN 101900449B CN 200910085833 CN200910085833 CN 200910085833 CN 200910085833 A CN200910085833 A CN 200910085833A CN 101900449 B CN101900449 B CN 101900449B
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- propane
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- cooling cycle
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Abstract
The invention discloses a refrigeration cycle system using propane as a cooling medium, and relates to a cooling medium cyclic refrigeration system. The system comprises a compressor, a reversing valve, a condenser, an expansion valve and an evaporator which are orderly connected by a pipeline. The cycle system has two types, i.e. an integral type and a split type. Indoor unit and outdoor unit of the air conditioner and the pipeline in the integral type cycle system are made into an integral body without connecting pieces. The indoor air conditioner and the cycle pipeline in the split type cycle system are made into an integral body without connecting pieces. The cooling medium refrigeration cycle system has the advantages of energy saving, safety, environmental protection and low cost.
Description
Technical field
The present invention relates to the refrigerant circulation refrigeration system, be specifically related to a kind of propane that adopts as the cooling cycle system of refrigerant.
Background technology
The course of work of existing air-conditioner is that refrigerant circulates in the connecting line at compressor, reversal valve, condenser, expansion valve, evaporimeter.Under refrigeration mode, compressor is discharged the gaseous coolant of HTHP, pass through four-way change-over valve, enter in the condenser of off-premises station, the gaseous coolant of HTHP is cooled to lower the temperature in condenser becomes liquid refrigerant, because the drag losses of refrigerant in condenser, the pressure of refrigerant decreases, refrigerant passes through capillary or expansion valve or restricting element reducing pressure by regulating flow again, become the gas-liquid mixed attitude refrigerant of low-temp low-pressure, refrigerant is flowed through behind high-pressure stop valve and the refrigerant circulation pipeline again, enter the evaporimeter of indoor set, the refrigerant evaporation (process of refrigerastion that exchanges with room air) of absorbing heat in indoor set is again by low-pressure shutoff valve and refrigerant circulation pipeline, through four-way change-over valve, get back to compressor, finish the refrigerant circulation process of air-conditioner, under heating mode, by the commutation of four-way change-over valve, the loop direction of refrigerant in system is just in time opposite.
Existing air-conditioning wherein employed refrigerant be freon (R22) mostly or adopt (R502) that this class cold-producing medium is serious to large depletion of the ozone layer wherein, and R22 refrigerant large usage quantity in kind of refrigeration cycle.Propane (R290) belongs to carbon-hydrogen refrigerant not to be destroyed fully to ozone layer, and greenhouse effects are also very little, the real cold-producing medium that belongs to now environmental protection, angle from environmental protection, the nearly all country in the whole world is for the first dress of R290 cold-producing medium on new refrigeration plant, and the use in the after-sales service process all without limits.Yet, because R290 is inflammable, usually only be used for the less cryogenic refrigeration equipment of filling amount, perhaps as be mixed a kind of component of refrigerant of low temperature.How the R290 refrigerant applications has been become the problem that described field urgent need will solve in air-conditioner.
Summary of the invention
The object of the invention is to overcome problems of the prior art, design a kind of can be with the technical problem of propane (R290) refrigerant applications in cooling cycle system, make described employing propane as the cooling cycle system of refrigerant, it is safe and reliable to have use procedure, refrigerant in the circulatory system is difficult for leaking, the coolant circulating system operating pressure is lower, and the refrigerant consumption is less.
For achieving the above object, technical scheme of the present invention is to adopt a kind of propane that adopts as the cooling cycle system of refrigerant, in this system, comprise the compressor, reversal valve, condenser, expansion valve, the evaporimeter that connect successively via pipeline, the described circulatory system is divided into the monoblock type circulatory system or detachable circulation system, indoor apparatus of air conditioner in the described monoblock type circulatory system, air-conditioner outdoor unit and described pipeline are made one and are not provided with connector in the middle of whole, and the indoor apparatus of air conditioner in the described detachable circulation system is made a whole centre with described circulation line and is not provided with connector.
Wherein, can be provided with the fast-connecting type connector between the indoor apparatus of air conditioner in described detachable circulation system and the described circulation line.
Wherein, the inner U-shaped pipe external diameter of described condenser or evaporimeter is 5mm-7mm.
Wherein, the refrigerant circulation passage in described condenser and/or the evaporimeter is the U-shaped coil pipe or is parallel microchannel.
Wherein, described microchannel is formed in the intermediate layer of stacked conducting plate, and the internal diameter of described microchannel is 0.4-1.6mm.
Wherein, near described evaporimeter and described pipeline, be provided with whether several have leakage phenomenon for detection of described refrigerant gas sensor.
Wherein, be provided with the coolant charging port at the described pipeline that is connected with described condenser, described coolant charging port seals described coolant charging port with ultrasonic bonding behind coolant charging, or adds the described coolant charging port of bonded adhesives that is used for bonded metal in described coolant charging port.
Wherein, be arranged on the interior electrical equipment control part of distance described coolant circulating system 30cm～50cm scope, be electrically connected on the device, scribble fluid sealant on the circuit board.
Wherein, described fluid sealant is epoxy resin.
Wherein, described gas sensor is connected with the control circuit of control coolant circulating system, and described control circuit is connected with alarm, and described alarm is used for propane leakage situation is reported to the police.
Advantage of the present invention and beneficial effect are: this employing propane is as the cooling cycle system of refrigerant, because propane (R290) belongs to carbon-hydrogen refrigerant ozone layer is not destroyed fully, and greenhouse effects are also very little, and to have the feature of environmental protection good.Owing to refrigerant consumption in the whole circulatory system is less, refrigerant circulation is little simultaneously, and refrigerating efficiency is high, good energy-conserving effect.This circulatory system has again that to adopt integral body be structure as far as possible, interface seldom in the circulatory system, refrigerant is difficult for leaking, and near coolant circulating system, be provided with several gas sensors and alarm, in case leakage has occured in refrigerant, the timely power alarm of system's meeting has adopted cold welding to connect the mode of technique or adhesive sealing port in coolant charging mouth end simultaneously, has overcome the inflammable and explosive defective of propane (R290).Therefore, this coolant circulating system also has characteristics safe and reliable to operation.Namely this system has energy-conservation, safety, environmental protection, advantage with low cost.
Description of drawings
Fig. 1 is that the present invention adopts propane as the system architecture schematic diagram of the cold circulatory system of refrigerant list;
Fig. 2 is that the present invention adopts propane as the system architecture schematic diagram of the hot and cold circulatory system of refrigerant;
Fig. 3 is that the present invention adopts propane as the structural representation of microchannel in the cooling cycle system of refrigerant;
Fig. 4 is the A-A cutaway view among Fig. 3.
Among the figure: 1, pipeline; 2, compressor; 3, reversal valve; 4, condenser; 5, expansion valve; 6, evaporimeter; 7, microchannel; 8, gas sensor; 9, coolant charging port.
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is further described.Following examples only are used for technical scheme of the present invention more clearly is described, and can not limit protection scope of the present invention with this.
Shown in accompanying drawing 1～4, the technical scheme of implementation of the present invention is:
A kind of employing propane (R290) is as the cooling cycle system of refrigerant, in this system, comprise the compressor 2 that connects successively via pipeline 1, reversal valve 3, condenser 4, expansion valve 5, evaporimeter 6, the described circulatory system is divided into the monoblock type circulatory system or detachable circulation system, in order to reduce the possibility of secondary refrigerant leakage as far as possible, with the indoor apparatus of air conditioner in the described monoblock type circulatory system, air-conditioner outdoor unit and described pipeline 1 are made the integral body that a centre is not provided with connector, for example make window air conditioner, same in order to reduce the possibility of secondary refrigerant leakage as far as possible, indoor apparatus of air conditioner and described circulation line 1 in the described detachable circulation system can be made the integral body that a centre is not provided with connector, outdoor a jointing be arranged between 1 of the pipeline in this integral body and the off-premises station.
On the basis of embodiment 1, the present invention in described detachable circulation system indoor apparatus of air conditioner and described circulation line 1 between can be provided with the connector of fast-connecting type good airproof performance, this joint also has good sealing, owing to be that fast-connecting type inserts namely that namely to connect refrigerant leakage rate in the grafting process very little.
On the basis of embodiment 1 or 2, the present invention is in order to reduce the consumption of refrigerant as far as possible, and the inner U-shaped pipe external diameter of described condenser or evaporimeter is 5mm-7mm.
On the basis of embodiment 3, the present invention is in order to reduce the consumption of refrigerant as far as possible, and the refrigerant circulation passage in described condenser 4 and/or the evaporimeter 6 is the U-shaped coil pipe or is parallel microchannel 7.
On the basis of embodiment 4, the present invention is in order to reduce the consumption of refrigerant as far as possible, described microchannel 7 is formed in the intermediate layer of stacked conducting plate, be that microchannel 7 is the vacancy parts in the intermediate layer of stacked conducting plate, vacancy partly is flat hole or circular hole shape, the high wide of described flat hole can be inconsistent, and the best internal diameter of described microchannel 7 is 1.2mm.
On the basis of embodiment 1 or 2, the present invention is in order to be the safety of coolant circulating system operation, near described evaporimeter and described pipeline, the position that secondary refrigerant leakage might occur is provided with whether several have leakage phenomenon for detection of described refrigerant gas sensor 8.
On the basis of embodiment 1 or 2, the present invention is provided with coolant charging port 9 at the described pipeline 1 that is connected with described condenser 4, described coolant charging port 9 adopts ultrasonic welding process to seal described coolant charging port 9 behind coolant charging, or adds the described coolant charging port 9 of bonded adhesives that is used for bonded metal at described coolant charging port 9 places.
On the basis of embodiment 1 or 2, the present invention is in order to prevent electric component issuable spark in running, with on the electrical equipment control part that is arranged in the described coolant circulating system 50cm scope, on the electrical connection device, scribble fluid sealant and/or static-free glue on the circuit board.
On the basis of embodiment 8, fluid sealant of the present invention can be epoxy resin.
Embodiment 10
On the basis of embodiment 6, gas sensor 8 of the present invention is connected with the control circuit of control coolant circulating system operation, and described control circuit is connected with alarm, and described alarm is used for propane leakage situation is reported to the police.
The above only is preferred embodiment of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. one kind is adopted propane as the cooling cycle system of refrigerant, it is characterized in that, in this system, comprise the compressor, reversal valve, condenser, expansion valve, the evaporimeter that connect successively via pipeline, the described circulatory system is divided into the monoblock type circulatory system or detachable circulation system, indoor apparatus of air conditioner in the described monoblock type circulatory system, air-conditioner outdoor unit and described pipeline are made one and are not provided with connector in the middle of whole, and the indoor apparatus of air conditioner in the described detachable circulation system is made a whole centre with described pipeline and is not provided with connector; Refrigerant circulation passage in described condenser and/or the evaporimeter is the U-shaped coil pipe or is parallel microchannel that described microchannel is formed in the intermediate layer of stacked conducting plate, and the internal diameter of described microchannel is 1.2mm.
2. employing propane as claimed in claim 1 is characterized in that as the cooling cycle system of refrigerant, and the external diameter of the inner U-shaped coil pipe of described condenser or evaporimeter is 5mm-7mm.
3. employing propane as claimed in claim 1 is characterized in that as the cooling cycle system of refrigerant, is provided with whether several have leakage phenomenon for detection of described refrigerant gas sensor near described evaporimeter and described pipeline.
4. employing propane as claimed in claim 1 is as the cooling cycle system of refrigerant, it is characterized in that, be provided with the coolant charging port at the described pipeline that is connected with described condenser, described coolant charging port seals described coolant charging port with ultrasonic bonding behind coolant charging, or the bonded adhesives that adds for bonded metal in described coolant charging port seals described coolant charging port.
5. employing propane as claimed in claim 1 is characterized in that as the cooling cycle system of refrigerant, is arranged on the electrical equipment control part in distance described coolant circulating system 30cm ~ 50cm scope, is electrically connected on the device, scribbles fluid sealant on the circuit board.
6. employing propane as claimed in claim 5 is characterized in that as the cooling cycle system of refrigerant, and described fluid sealant is epoxy resin.
7. employing propane as claimed in claim 3 is as the cooling cycle system of refrigerant, it is characterized in that, described gas sensor is connected with the control circuit of control coolant circulating system, and described control circuit is connected with alarm, and described alarm is used for propane leakage situation is reported to the police.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910085833 CN101900449B (en) | 2009-06-01 | 2009-06-01 | Refrigeration cycle system using propane as cooling medium |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910085833 CN101900449B (en) | 2009-06-01 | 2009-06-01 | Refrigeration cycle system using propane as cooling medium |
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| CN101900449A CN101900449A (en) | 2010-12-01 |
| CN101900449B true CN101900449B (en) | 2013-04-24 |
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| CN 200910085833 Active CN101900449B (en) | 2009-06-01 | 2009-06-01 | Refrigeration cycle system using propane as cooling medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2589900A1 (en) | 2010-07-02 | 2013-05-08 | Panasonic Corporation | Air conditioner |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112936634A (en) * | 2021-02-02 | 2021-06-11 | 新沂市星辰新材料科技有限公司 | Dispersion and homogenization equipment for preparing PVC (polyvinyl chloride) terminator and working method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1067496A (en) * | 1992-06-11 | 1992-12-30 | 冯淳 | The integral air conditioner of elasticity junction chamber endosome and outdoor body |
| CN1529108A (en) * | 1997-12-16 | 2004-09-15 | ���µ�����ҵ��ʽ���� | Air-conditioner using combustible refrigrant |
| CN100423243C (en) * | 2003-10-20 | 2008-10-01 | 中国科学院广州能源研究所 | Miniature efficient self-circulating electronic cooler |
-
2009
- 2009-06-01 CN CN 200910085833 patent/CN101900449B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1067496A (en) * | 1992-06-11 | 1992-12-30 | 冯淳 | The integral air conditioner of elasticity junction chamber endosome and outdoor body |
| CN1529108A (en) * | 1997-12-16 | 2004-09-15 | ���µ�����ҵ��ʽ���� | Air-conditioner using combustible refrigrant |
| CN100423243C (en) * | 2003-10-20 | 2008-10-01 | 中国科学院广州能源研究所 | Miniature efficient self-circulating electronic cooler |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2589900A1 (en) | 2010-07-02 | 2013-05-08 | Panasonic Corporation | Air conditioner |
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| CN101900449A (en) | 2010-12-01 |
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