CN205403228U - Air conditioner refrigerant circulation system and air conditioner - Google Patents
Air conditioner refrigerant circulation system and air conditioner Download PDFInfo
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- CN205403228U CN205403228U CN201620134068.3U CN201620134068U CN205403228U CN 205403228 U CN205403228 U CN 205403228U CN 201620134068 U CN201620134068 U CN 201620134068U CN 205403228 U CN205403228 U CN 205403228U
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Abstract
The utility model relates to an air conditioner refrigerant circulation system and air conditioner, include the compressor, four -way reversing valve, condenser, expansion valve, evaporimeter and the vapour and liquid separator that connect gradually by refrigerant piping, set up the third check valve between the entry of expansion valve and evaporimeter, set up the fourth check valve between the export of evaporimeter and the four -way reversing valve, with fourth check valve and the parallelly connected third branch road of evaporimeter, concatenate the 7th check valve on a third way, with the parallelly connected fourth branch road of evaporimeter and third check valve, concatenate the 8th check valve on the fourth props up the way, refrigerant in the evaporimeter the refrigeration when heating with the equal countercurrent flow of secondary heat transferring medium. The utility model discloses realize full operating mode countercurrent flow, improve the energy efficiency ratio of annual heat pump system work by a wide margin.
Description
Technical field
This utility model relates to a kind of air conditioner coolant blood circulation and air-conditioner, belongs to air-conditioning technique field.
Background technology
Heat pump air conditioner is as a kind of high efficiency air conditioning device, and summer can provide cold, and winter can provide heat, is used in various place more and more.Owing to current refrigeration working medium substitutes current situation, also there is mixed working fluid heat pump, especially R407C working medium in a large number, as the direct Substitute Working Medium of the most frequently used R22, applied range.Relative to other mixed working fluid, R407C working medium has the advantages that temperature glide is very big in condensation, evaporation process, therefore in Heat Pump Design, condenser becomes countercurrent flow pattern extremely important targetedly with evaporator designs.Generally, Heat Pump Design maker can be mainly operate to master with refrigeration modes according to heat pump, or heating mode with heat pump operates to master, under primary operating mode, the secondary media heat exchange such as refrigeration working medium and air is based on countercurrent heat exchange method, and when switching to another kind of pattern, two device heat exchange just become following current heat exchange accordingly, and because the slip temperature of working medium is relatively big, heat exchange efficiency just has and is decreased obviously.
Utility model content
This utility model main purpose is in that to solve the problems referred to above and deficiency, it is provided that one can realize full working scope countercurrent flow, and then improves air conditioner coolant blood circulation and the air-conditioner of annual heat pump work Energy Efficiency Ratio.
For achieving the above object, the technical solution of the utility model is:
A kind of air conditioner coolant blood circulation, including the compressor being sequentially connected with by refrigerant pipeline, four-way change-over valve, condenser, expansion valve, vaporizer and gas-liquid separator, 3rd check valve is set between expansion valve and the entrance of vaporizer, between outlet and the four-way change-over valve of vaporizer, the 4th check valve is set, threeth branch road in parallel with the 4th check valve and vaporizer, 3rd branch road concatenates the 7th check valve, fourth branch road in parallel with vaporizer and the 3rd check valve, 4th branch road concatenates the 8th check valve, coolant in described vaporizer refrigeration and when heating with the equal countercurrent flow of secondary heat exchange medium.
Further, first check valve is set between four-way change-over valve and the entrance of condenser, between outlet and the expansion valve of condenser, the second check valve is set, first branch road in parallel with the first check valve and condenser, concatenation the 5th check valve on the first leg, second branch road in parallel with condenser and the second check valve, concatenates the 6th check valve on the second branch road, the coolant in described condenser refrigeration and when heating with the equal countercurrent flow of secondary heat exchange medium.
Further, described secondary heat exchange medium is air or liquid.
Another technical scheme of the present utility model is:
A kind of air-conditioner, including air conditioner coolant blood circulation as above.
To sum up content, a kind of air conditioner coolant blood circulation described in the utility model and air-conditioner, by arranging multiple check valve in systems, with the equal countercurrent flow of secondary heat exchange medium when making the coolant in condenser and vaporizer in refrigeration and heat, realize full working scope countercurrent flow, the refrigeration working medium advantage when non-azeotropic working mediums such as use R407C becomes apparent from, and heat pump heat exchanging efficiency has bigger lifting, and the Energy Efficiency Ratio of annual heat pump work is greatly improved.
Accompanying drawing explanation
Fig. 1 is this utility model coolant circulating system embodiment one structural representation；
Fig. 2 is this utility model coolant circulating system embodiment two structural representation.
As depicted in figs. 1 and 2, compressor 1, four-way change-over valve 2, condenser 3, expansion valve 4, vaporizer 5, gas-liquid separator 6, first check valve 7, the second check valve 8, the 3rd check valve 9,4th check valve 10, the first branch road 11, the 5th check valve 12, second branch road 13, the 6th check valve 14, the 3rd branch road 15,7th check valve 16, the 4th branch road 17, the 8th check valve 18.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, this utility model is described in further detail:
Embodiment one:
As it is shown in figure 1, a kind of air-conditioner that this utility model provides, including the coolant circulating system that the compressor 1 being sequentially connected with by refrigerant pipeline, four-way change-over valve 2, condenser 3, expansion valve 4, vaporizer 5 and gas-liquid separator 6 form.
First check valve 7 is set between the entrance of four-way change-over valve 2 and condenser 3, between outlet and the expansion valve 4 of condenser 3, the second check valve 8 is set, 3rd check valve 9 is set between the entrance of expansion valve 4 and vaporizer 5, between outlet and the four-way change-over valve 2 of vaporizer 5, the 4th check valve 10 is set.
Line branching between outlet and second check valve 8 of condenser 3 goes out the first branch road 11, the other end of the first branch road 11 accesses in the pipeline between four-way change-over valve 2 and the first check valve 7, namely the first branch road 11 is in parallel with the first check valve 7 and condenser 3, concatenates the 5th check valve 12 on the first branch road 11.
Line branching between second check valve 8 and expansion valve 4 goes out the second branch road 13, the other end of the second branch road 13 accesses in the pipeline between the first check valve 7 and condenser 3 entrance, namely the second branch road 13 is in parallel with condenser 3 and the second check valve 8, concatenates the 6th check valve 14 on the second branch road 13.
Pipeline between four-way change-over valve 2 and the 4th check valve 10 branches out the 3rd branch road 15, the other end of the 3rd branch road 15 accesses in the pipeline between the 3rd check valve 9 and vaporizer 5 entrance, namely the 3rd branch road 15 is in parallel with vaporizer 5 and the 4th check valve 10, concatenates the 7th check valve 16 on the 3rd branch road 15.
The pipeline that vaporizer 5 exports between the 4th check valve 10 branches out the 4th branch road 17, the other end of the 4th branch road 17 accesses in the pipeline between expansion valve 4 and the 3rd check valve 9, namely the 4th branch road 17 is in parallel with vaporizer 5 and the 3rd check valve 9, concatenates the 8th check valve 18 on the 4th branch road 17.
The position of the entrance and exit of condenser 3 and vaporizer 5 arranges when making the coolant in condenser 3 and vaporizer 5 in refrigeration and heat and the equal countercurrent flow of secondary heat exchange medium.Secondary heat exchange medium can think air, it is also possible to for liquid such as water, namely namely condenser 3 and vaporizer 5 can adopt air cooling heat exchanger, it would however also be possible to employ water cooling heat exchanger.
In the present embodiment, the pipeline in vaporizer 5 is divided into two groups of parallel connection, it is also possible to being more than two, often organize the refrigerant inlet of pipeline lower than refrigerant exit, coolant flows from the bottom up in this group pipeline.Condenser 3 adopts one group of pipeline, and the refrigerant inlet of condenser 3 is higher than refrigerant exit, and coolant flows from top to bottom in the pipeline of condenser 3.
As it is shown in figure 1, during refrigerating operaton:
Coolant is compressed into high temperature and high pressure gas through compressor 1, high-pressure side and the first check valve 7 then through four-way change-over valve 2 flow into condenser 3, coolant in condenser 3 from top to bottom, flow from left to right, finally flow out from the outlet of the condenser 3 of bottom, the flow direction of this process air is to flow from right to left, and coolant carries out countercurrent flow in condenser 3 with air, and then cooling becomes highly pressurised liquid.Coolant throttles into the biphase liquid of low temperature through the second check valve 8, expansion valve 4 after flowing out from condenser 3, vaporizer 5 is flowed into through 9 points of two-way of the 3rd check valve, coolant in vaporizer 5 from bottom to up, flow from right to left, finally flow out from the outlet of the vaporizer 5 on top, the flow direction of this process air is to flow from left to right, coolant carries out countercurrent flow with air in vaporizer 5, and then intensification becomes low-pressure gas, through the 4th check valve 10, the low-pressure side of four-way change-over valve 2, gas-liquid separator 6, finally flow back to compressor 1, circulate realization refrigeration with this.
During heating operation:
nullCoolant is compressed into high temperature and high pressure gas through compressor 1，High-pressure side and 16 points of two-way of the 7th check valve then through four-way change-over valve 2 flow into vaporizer 5，Coolant in vaporizer 5 from bottom to up、Flow from right to left，Finally flow out from the outlet of the vaporizer 5 on top，The flow direction of this process air is to flow from left to right，Coolant carries out countercurrent flow with air in vaporizer 5，And then cooling becomes highly pressurised liquid，Coolant enters expansion valve 4 through the 8th check valve 18 after flowing out from vaporizer 5，Expanded valve 4 throttles into the biphase liquid of low temperature，Condenser 3 is flowed into through the 6th check valve 14，Coolant in condenser 3 from top to bottom，Flow from left to right，Finally flow out from the outlet of the condenser 3 of bottom，The flow direction of this process air is to flow from right to left，Coolant carries out countercurrent flow with air in condenser 3，And then intensification becomes low-pressure gas，Through the 5th check valve 12、The low-pressure side of four-way change-over valve 2、Gas-liquid separator 6，Finally flow back to compressor 1，Circulate realization with this to heat.
Embodiment two:
It is the reduced form of embodiment one, as in figure 2 it is shown, the coolant circulating system that the compressor 1, four-way change-over valve 2, condenser 3, expansion valve 4, vaporizer 5 and the gas-liquid separator 6 that include being sequentially connected with by refrigerant pipeline form.
Wherein, four-way change-over valve 2 is connected with the entrance of condenser 3, and the outlet of condenser 3 is connected with expansion valve 4, arranges the 3rd check valve 9 between the entrance of expansion valve 4 and vaporizer 5, arranges the 4th check valve 10 between outlet and the four-way change-over valve 2 of vaporizer 5.
Pipeline between four-way change-over valve 2 and the 4th check valve 10 branches out the 3rd branch road 15, the other end of the 3rd branch road 15 accesses in the pipeline between the 3rd check valve 9 and vaporizer 5 entrance, namely the 3rd branch road 15 is in parallel with vaporizer 5 and the 4th check valve 10, concatenates the 7th check valve 16 on the 3rd branch road 15.
The pipeline that vaporizer 5 exports between the 4th check valve 10 branches out the 4th branch road 17, the other end of the 4th branch road 17 accesses in the pipeline between expansion valve 4 and the 3rd check valve 9, namely the 4th branch road 17 is in parallel with vaporizer 5 and the 3rd check valve 9, concatenates the 8th check valve 18 on the 4th branch road 17.
The position of the entrance and exit of vaporizer 5 arranges when making the coolant in vaporizer 5 in refrigeration and heat and the equal countercurrent flow of secondary heat exchange medium.During a condenser 3 operating mode countercurrent flow wherein, for following current heat exchange under another operating mode, the direction that namely coolant flows in condenser 3 is identical with the direction of secondary heat exchange media flow.
As in figure 2 it is shown, during refrigerating operaton:
Coolant is compressed into high temperature and high pressure gas through compressor 1, high-pressure side then through four-way change-over valve 2 flows into condenser 3, coolant in condenser 3 from top to bottom, flow from left to right, finally flow out from the outlet of the condenser 3 of bottom, the flow direction of this process air is to flow from right to left, and coolant carries out countercurrent flow in condenser 3 with air, and then cooling becomes highly pressurised liquid.Coolant throttles into the biphase liquid of low temperature through expansion valve 4 after flowing out from condenser 3, vaporizer 5 is flowed into through 9 points of two-way of the 3rd check valve, coolant in vaporizer 5 from bottom to up, flow from right to left, finally flow out from the outlet of the vaporizer 5 on top, the flow direction of this process air is to flow from left to right, coolant carries out countercurrent flow with air in vaporizer 5, and then intensification becomes low-pressure gas, through the 4th check valve 10, the low-pressure side of four-way change-over valve 2, gas-liquid separator 6, finally flow back to compressor 1, circulate realization refrigeration with this.
During heating operation:
nullCoolant is compressed into high temperature and high pressure gas through compressor 1，High-pressure side and 16 points of two-way of the 7th check valve then through four-way change-over valve 2 flow into vaporizer 5，Coolant in vaporizer 5 from bottom to up、Flow from right to left，Finally flow out from the outlet of the vaporizer 5 on top，The flow direction of this process air is to flow from left to right，Coolant carries out countercurrent flow with air in vaporizer 5，And then cooling becomes highly pressurised liquid，Coolant enters expansion valve 4 through the 8th check valve 18 after flowing out from vaporizer 5，Expanded valve 4 throttles into the biphase liquid of low temperature and flows into condenser 3，Coolant in condenser 3 from bottom to up，Flow from right to left，Finally flow out from the outlet of the condenser 3 on top，The flow direction of this process air is to flow from right to left，Coolant carries out following current heat exchange with air in condenser 3，And then intensification becomes low-pressure gas，Low-pressure side through four-way change-over valve 2、Gas-liquid separator 6，Finally flow back to compressor 1，Circulate realization with this to heat.
Simplified way in the present embodiment, mainly for the conventional heat pump system carrying out countercurrent flow design with refrigeration modes, owing to now cooling condenser area is relatively very big, when switching to heat pump working condition and running, cooling condenser becomes to heat uses vaporizer, it is much bigger that the relatively cooling vaporizer of its heat absorption capacity becomes the emission capacity heating use condenser, the exchange capability of heat improving the latter is more important, therefore only carries out heating switching by the adverse current of the former following current heat exchange form of condenser and transforms the heating capacity that can be effectively improved heat pump.
Equally, if heat pump mainly runs on heating condition in the whole year, it is few that cooling condition runs the time, then the mode of such heat pump conventional design condenser and vaporizer is that two devices run in a counter-current configuration in a heating mode, now when applying the present embodiment and simplifying design, preferential to heating the enforcement transformation of heat exchange tube of evaporator road, energy-saving effect is easier to embody.
As it has been described above, in conjunction with the plan content given by accompanying drawing, it is possible to derive similar technical scheme.In every case it is the content without departing from technical solutions of the utility model, any simple modification, equivalent variations and modification above example made according to technical spirit of the present utility model, all still fall within the scope of technical solutions of the utility model.
Claims (4)
1. an air conditioner coolant blood circulation, including the compressor being sequentially connected with by refrigerant pipeline, four-way change-over valve, condenser, expansion valve, vaporizer and gas-liquid separator, it is characterized in that: the 3rd check valve is set between expansion valve and the entrance of vaporizer, between outlet and the four-way change-over valve of vaporizer, the 4th check valve is set, threeth branch road in parallel with the 4th check valve and vaporizer, 3rd branch road concatenates the 7th check valve, fourth branch road in parallel with vaporizer and the 3rd check valve, 4th branch road concatenates the 8th check valve, coolant in described vaporizer refrigeration and when heating with the equal countercurrent flow of secondary heat exchange medium.
2. air conditioner coolant blood circulation according to claim 1, it is characterized in that: the first check valve is set between four-way change-over valve and the entrance of condenser, between outlet and the expansion valve of condenser, the second check valve is set, first branch road in parallel with the first check valve and condenser, concatenation the 5th check valve on the first leg, second branch road in parallel with condenser and the second check valve, second branch road concatenates the 6th check valve, the coolant in described condenser refrigeration and when heating with the equal countercurrent flow of secondary heat exchange medium.
3. air conditioner coolant blood circulation according to claim 1 and 2, it is characterised in that: described secondary heat exchange medium is air or liquid.
4. an air-conditioner, it is characterised in that: include the air conditioner coolant blood circulation as described in any one of claim 1-3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620134068.3U CN205403228U (en) | 2016-02-23 | 2016-02-23 | Air conditioner refrigerant circulation system and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620134068.3U CN205403228U (en) | 2016-02-23 | 2016-02-23 | Air conditioner refrigerant circulation system and air conditioner |
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| CN205403228U true CN205403228U (en) | 2016-07-27 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106440451A (en) * | 2016-08-26 | 2017-02-22 | 珠海格力电器股份有限公司 | Heat pump system and car with same |
| CN106500389A (en) * | 2016-10-08 | 2017-03-15 | 华中科技大学 | A kind of refrigeration system for being suitable for non-azeotropic refrigerant |
| CN106931685A (en) * | 2017-02-24 | 2017-07-07 | 青岛海尔空调器有限总公司 | Air-conditioning heat exchanger and its control method |
| CN107131673A (en) * | 2017-06-16 | 2017-09-05 | 上海加冷松芝汽车空调股份有限公司 | A kind of automobile heat pump refrigeration system |
| CN107543432A (en) * | 2017-09-08 | 2018-01-05 | 广东芬尼克兹节能设备有限公司 | Double-tube heat exchanger and heat pump |
| CN111023366A (en) * | 2019-12-18 | 2020-04-17 | 宁波奥克斯电气股份有限公司 | Bidirectional countercurrent heat exchange system, bidirectional countercurrent heat exchange method and air conditioner |
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2016
- 2016-02-23 CN CN201620134068.3U patent/CN205403228U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106440451A (en) * | 2016-08-26 | 2017-02-22 | 珠海格力电器股份有限公司 | Heat pump system and car with same |
| CN106500389A (en) * | 2016-10-08 | 2017-03-15 | 华中科技大学 | A kind of refrigeration system for being suitable for non-azeotropic refrigerant |
| CN106931685A (en) * | 2017-02-24 | 2017-07-07 | 青岛海尔空调器有限总公司 | Air-conditioning heat exchanger and its control method |
| CN107131673A (en) * | 2017-06-16 | 2017-09-05 | 上海加冷松芝汽车空调股份有限公司 | A kind of automobile heat pump refrigeration system |
| CN107543432A (en) * | 2017-09-08 | 2018-01-05 | 广东芬尼克兹节能设备有限公司 | Double-tube heat exchanger and heat pump |
| CN107543432B (en) * | 2017-09-08 | 2024-03-22 | 广东芬尼克兹节能设备有限公司 | Double-pipe heat exchanger and heat pump |
| CN111023366A (en) * | 2019-12-18 | 2020-04-17 | 宁波奥克斯电气股份有限公司 | Bidirectional countercurrent heat exchange system, bidirectional countercurrent heat exchange method and air conditioner |
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