CN203671772U - Air-conditioning system - Google Patents
Air-conditioning system Download PDFInfo
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- CN203671772U CN203671772U CN201320874964.XU CN201320874964U CN203671772U CN 203671772 U CN203671772 U CN 203671772U CN 201320874964 U CN201320874964 U CN 201320874964U CN 203671772 U CN203671772 U CN 203671772U
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- header
- conditioning system
- air
- isocon
- heat exchanger
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 45
- 238000010438 heat treatment Methods 0.000 claims abstract description 33
- 238000005057 refrigeration Methods 0.000 claims abstract description 24
- 239000003507 refrigerant Substances 0.000 claims description 40
- 208000002925 dental caries Diseases 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 12
- 230000000694 effects Effects 0.000 abstract description 21
- 238000009826 distribution Methods 0.000 abstract description 10
- 238000000926 separation method Methods 0.000 abstract 1
- 239000002826 coolant Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The utility model provides an air-conditioning system. A parallel flow heat exchanger is adopted for an indoor heat exchanger, and a flow separation part is arranged in a flow collecting pipe and divides the flow collecting pipe into a plurality of cavities. The air-conditioning system further comprises a flow distribution device formed by a distributor, a flow distribution pipe and a control valve. After the flow collecting pipe is divided into the cavities and the control valve which is cut off during refrigeration and conducted during heating is arranged on the flow distribution pipe, flow distribution during refrigeration of the air-conditioning system and flow distribution during heating of the air-conditioning system are even, the refrigeration and heating effects are greatly improved, meanwhile the temperature of an outlet of the parallel flow heat exchanger can be low in refrigeration, and heating comfort is improved.
Description
Technical field
The utility model belongs to field of air conditioning, relates in particular to a kind of air-conditioning system.
Background technology
The air-conditioning system that prior art provides is according to the inhomogeneous distribution of carrying out flat tube quantity of when refrigeration wind field, one effluent road distribution flat tube quantity of good effect of heat exchange is more, the effluent road distribution flat tube negligible amounts that heat transfer effect is poor, add the impact of the condensed water on outdoor heat exchanger, in the time of refrigeration, whole heat exchanger wind field is just more even, refrigeration is all right, and refrigerating capacity is higher.But in the time heating, owing to there is no the impact of condensed water, the side good effect of heat exchange that flat tube quantity is many, just many compared with other sides of the amount that cold media gas heat release becomes liquid, still shunt flow capillaceous and fix, and cause heating heat exchange very inhomogeneous, the effluent road that flat tube quantity is many is not fully utilized, therefore, the air-conditioning system that prior art provides heating effect in the time meeting refrigeration is poor, heating capacity deficiency.
Utility model content
The purpose of this utility model is to provide a kind of air-conditioning system, is intended to solve the poor problem with heating capacity deficiency of existing air-conditioning system heating effect under the prerequisite that ensures refrigeration.
The utility model is to realize like this, a kind of air-conditioning system, it comprises indoor heat exchanger, throttle mechanism and be connected in described indoor heat exchanger and described throttle mechanism between part flow arrangement, described indoor heat exchanger is parallel-flow heat exchanger, described parallel-flow heat exchanger comprises the first header, the second header being arranged side by side with described the first header, be arranged between described the first header and described the second header and side by side interval some flat tubes and be arranged at the fin between adjacent described flat tube, described in each, the opposite end of flat tube inserts respectively in described the first header and described the second header, described in each, flat tube is connected with described the first header and described the second header, described parallel-flow heat exchanger also comprise be horizontally placed in described the second header some every stream part, described some every stream part the inner chamber of described the second header is separated into some cavitys, some cavitys by one with the first cavity that at most the described flat tube of quantity is connected and form with some the second cavitys that this first cavity separates, described part flow arrangement comprises the distributor with single port side and many mouthfuls of sides, the first isocon being connected with described the first cavity, the second isocon being connected with described the first cavity and be installed on described the first isocon and in when refrigeration cut-off and in the time heating the control valve of conducting and with corresponding and some the 3rd isocons that are connected one by one of the second cavity described in each, the free end of described the first isocon is connected in the single port side of described distributor, the free end of the free end of described the second isocon and described the 3rd isocon is all connected in many mouthfuls of sides of described distributor.
Further, described in each, the length of cavity is increased gradually by one end to the direction of the other end of described the second header, and described in each, in cavity, the longest cavity is described the first cavity being communicated with the described flat tube of maximum quantity.
Further, described the second header vertically arranges, and one end of described the second header is low side, and the other end of described the second header is high-end.
Further, described every stream part quantity be at least two, this at least two every stream part separate described the second header inner chamber form at least three described cavitys.
Further, described control valve is magnetic valve or stop valve.
Further, described control valve is check valve, this check valve has refrigerant entrance and refrigerant exit, and the refrigerant entrance of this check valve is communicated in described first cavity of described the second header, and the refrigerant exit of described check valve is communicated in the single port side of described distributor.
Further, the caliber of described the first isocon is all larger than the caliber of the caliber of described the second isocon and described the 3rd isocon.
Further, described the first isocon, the second isocon and described the 3rd isocon are capillary.
Further, described air-conditioning system also comprises the second tube connector between the single port side that is connected in the first tube connector on described the first header and is connected in described throttle mechanism and described distributor, and described the first tube connector is communicated in the middle part of described the first header.
Further, described air-conditioning system also comprises cross valve, be connected in the compressor of the first interface of described cross valve, be connected in described cross valve the second interface outdoor heat exchanger and be connected in the gas-liquid separator of the 3rd interface of described cross valve, the 4th interface of described cross valve is connected in an end of described the first tube connector, described gas-liquid separator is connected on described compressor, and described outdoor heat exchanger is connected in described throttle mechanism.
The utility model with respect to the technique effect of prior art is: the indoor heat exchanger in the air-conditioning system that the utility model provides adopts parallel-flow heat exchanger, wherein in a header, arrange every stream part and this header is divided and makes some cavitys, the part flow arrangement that air-conditioning system is made up of distributor, isocon and control valve in addition.In when refrigeration, refrigerant enters distributor and carries out equably assignment of traffic, is wherein provided with the not conducting of isocon of control valve, and refrigerant independently in stream, carries out heat exchange to each by all the other isocons in flat tube, ensures the even shunting effect of best refrigerant; In the time heating, refrigerant carries out heat exchange in flat tube, control valve conducting, the heat exchange of parallel-flow heat exchanger top is better, liquid refrigerants is many, and the stream flow that this flat tube quantity is many increases, and effectively improves heating effect, make heating capacity higher than the parallel-flow heat exchanger that a road isocon is set less in the many streams of flat tube quantity, reach the uniform effect of coolant distribution in the time heating.The air-conditioning system that the utility model provides can be improved refrigeration and heating effect, and while making to heat, the outlet of parallel-flow heat exchanger has a narrow range of temperature simultaneously, improves and heats comfortableness.
Brief description of the drawings
Fig. 1 is the schematic diagram of the air-conditioning system that provides of the utility model embodiment.
Fig. 2 is the indoor heat exchanger applied in the air-conditioning system of Fig. 1 and the installation diagram of part flow arrangement.
Fig. 3 be Fig. 1 air-conditioning system in refrigeration operational mode time schematic diagram.
Schematic diagram when Fig. 4 is operational mode in heating of the air-conditioning system of Fig. 1.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Refer to Fig. 1 and Fig. 2, a kind of air-conditioning system that the utility model embodiment provides, it comprises indoor heat exchanger 10, throttle mechanism 20 and be connected in the part flow arrangement 30 between described indoor heat exchanger 10 and described throttle mechanism 20, described indoor heat exchanger 10 is parallel-flow heat exchanger, described parallel-flow heat exchanger comprises the first header 11, the second header 12 being arranged side by side with described the first header 11, be arranged between described the first header 11 and described the second header 12 and side by side interval some flat tubes 13 and be arranged at the fin 14 between adjacent described flat tube 13, described in each, the opposite end of flat tube 13 inserts respectively in described the first header 11 and described the second header 12, described in each, flat tube 13 is connected with described the first header 11 and described the second header 12.
Described parallel-flow heat exchanger also comprise be horizontally placed in described the second header 12 some every stream part 15, describedly somely every stream part 15, the inner chamber of described the second header 12 is separated into some cavitys 16, some cavitys 16 are by a first cavity 16a who is connected with the described flat tube 13 of maximum quantity and form with some the second cavity 16b that this first cavity 16a separates.Separate every stream part 15 the first cavity 16a and the second cavity 16b that the second header 12 forms, make refrigerant uniform distribution when through parallel-flow heat exchanger, be conducive to realize the uniform effect of heat exchange.
Described part flow arrangement 30 comprises the distributor 31 with single port side 31a and many mouthfuls of side 31b, the first isocon 32 being connected with described the first cavity 16a, the second isocon 33 being connected with described the first cavity 16a and be installed on described the first isocon 32 and in when refrigeration cut-off and the control valve 34 of conducting in the time heating and with corresponding and some the 3rd isocons 35 that are connected one by one of the second cavity 16b described in each, the free end of described the first isocon 32 is connected in the single port side 31a of described distributor 31, the free end of the free end of described the second isocon 33 and described the 3rd isocon 35 is all connected in many mouthfuls of side 31b of described distributor 31.While heating in when refrigeration cut-off the control valve 34 of conducting at the single port side 31a of distributor 31 toward cut-off on the path of the first cavity 16a and at the first cavity 16a toward conducting on the path of the single port side 31a of distributor 31.
The utility model with respect to the technique effect of prior art is: the indoor heat exchanger 10 in the air-conditioning system that the utility model provides adopts parallel-flow heat exchanger, wherein in a header, arrange every stream part 15 and this header is divided and makes some cavitys 16, the part flow arrangement 30 that air-conditioning system is made up of distributor 31, isocon and control valve 34 in addition.In the time of refrigeration, refrigerant enters distributor 31 and carries out equably assignment of traffic, is wherein provided with the not conducting of isocon of control valve 34, refrigerant by all the other isocons to each independently in stream, in flat tube 13, carry out heat exchange, ensure the even shunting effect of best refrigerant; In the time heating, refrigerant carries out heat exchange in flat tube 13, control valve 34 conductings, the heat exchange of parallel-flow heat exchanger top is better, liquid refrigerants is many, and the stream flow that these flat tube 13 quantity are many increases, and effectively improves heating effect, make heating capacity higher than the parallel-flow heat exchanger that a road isocon is set less in the many streams of flat tube 13 quantity, reach the uniform effect of coolant distribution in the time heating.The air-conditioning system that the utility model provides can be improved refrigeration and heating effect, and while making to heat, the outlet of parallel-flow heat exchanger has a narrow range of temperature simultaneously, improves and heats comfortableness.
Further, described in each, the length of cavity 16 is increased gradually by one end to the direction of the other end of described the second header 12, and described in each, in cavity 16, the longest cavity 16 is described the first cavity 16a being communicated with the described flat tube 13 of maximum quantity.Further, described the second header 12 vertically arranges, and one end of described the second header 12 is low side 12a, and the other end of described the second header 12 is high-end 12b.The second cavity 16b is different, and it is upper, and each cavity 16 being separated into every stream part 15 is increased gradually by the end to the length on top, under Action of Gravity Field, beneath refrigerant is many, and the refrigerant of top is few, so arranges and just can make refrigerant uniform distribution in each flat tube 13.
Further, described every stream part 15 quantity be at least two, this at least two every stream part 15 separate described the second header 12 inner chamber form at least three described cavitys 16.Said structure all can improve refrigeration and heating effect.In the present embodiment, the described quantity every stream part 15 is two, and the quantity of described cavity 16 is three.
Further, described control valve 34 is magnetic valve or stop valve.Understandably, described control valve 34 has the valve body of gate-controlled switch or one-way conduction function for other.In the present embodiment, described control valve 34 is check valve, this check valve has refrigerant entrance 34a and refrigerant exit 34b, the refrigerant entrance 34a of this check valve is communicated in the described first cavity 16a of described the second header 12, and the refrigerant exit 34b of described check valve is communicated in the single port side 31a of described distributor 31.In actual use, parallel-flow heat exchanger top air quantity is larger, the first cavity 16a is arranged on top, flat tube 13 quantity that the first cavity 16a is corresponding are more, one road isocon is set in this stream more, and on this isocon, check valve is set, the refrigerant direction of check valve is that the second header 12 is to distributor 31 conductings.Under the prerequisite of refrigeration that ensures parallel-flow heat exchanger, parallel-flow heat exchanger refrigerant in the time heating is evenly shunted, thereby improved heating effect, and outlet is had a narrow range of temperature, heat comfortableness thereby improve.
Further, the caliber of described the first isocon 32 is all larger than the caliber of the caliber of described the second isocon 33 and described the 3rd isocon 35.Further, described the first isocon 32, described the second isocon 33, described the 3rd isocon 35 are capillary.The caliber that first isocon 32 employing ratio the second isocons 33 and the 3rd isocon 35 are larger, is conducive to reduce the circulating resistance of the first isocon 32, thereby realizes better heating effect.
Further, described air-conditioning system also comprises the second tube connector 42 between the single port side 31a that is connected in the first tube connector 41 on described the first header 11 and is connected in described throttle mechanism 20 and described distributor 31, and described the first tube connector 41 is communicated in the middle part of described the first header 11.When refrigerating operaton, refrigerant is through the second tube connector 42, distribute and enter parallel-flow heat exchanger and carry out heat exchange by distributor 31, then refrigerant gathers in the first tube connector 41, enter into other links of air-conditioning system by the first tube connector 41, the control valve 34 on the isocon being wherein connected with the first cavity 16a ends.When heating operation, refrigerant enters parallel-flow heat exchanger by the first tube connector 41 and carries out heat exchange, there is liquid refrigerants through control valve 34 and and in the second tube connector 42, gather other links that enter air-conditioning system, wherein control valve 34 conductings through the refrigerant of distributor 31.
Further, described air-conditioning system also comprises cross valve 50, be connected in the compressor 60 of the first interface 51 of described cross valve 50, be connected in described cross valve 50 the second interface 52 outdoor heat exchanger 70 and be connected in the gas-liquid separator 80 of the 3rd interface 53 of described cross valve 50, the 4th interface 54 of described cross valve 50 is connected in an end of described the first tube connector 41, described gas-liquid separator 80 is connected on described compressor 60, and described outdoor heat exchanger 70 is connected in described throttle mechanism 20.
Please refer to Fig. 3, the mobile direction of refrigerant when arrow instruction is freezed in figure.The operational mode of air-conditioning system in refrigeration, compressor 60 starts, and discharges the gas coolant of HTHP through cross valve 50, enters outdoor heat exchanger 70, emits heat, and the liquid coolant that is condensed into middle temperature high pressure enters throttle mechanism 20; The two-phase refrigerant that becomes low-temp low-pressure through throttling action enters the part flow arrangement 30 of parallel-flow heat exchanger 10, absorbs heat, flashes to the gas coolant of low-temp low-pressure; Through cross valve 50, get back to compressor 60, complete kind of refrigeration cycle, in kind of refrigeration cycle, refrigerant enters in the second header 12 by the second isocon 33, the 3rd isocon 35 through distributor 31 again, and refrigerant can not entered in the second header 12 by the first isocon 32, control valve 34 is in not on-state.
Please refer to Fig. 4, the mobile direction of refrigerant when arrow instruction heats in figure.The operational mode of air-conditioning system in heating, compressor 60 starts, and discharges the gas coolant of HTHP through cross valve 50, enters the part flow arrangement 30 of parallel-flow heat exchanger 10, emits heat; The liquid coolant that is condensed into middle temperature high pressure enters throttle mechanism 20; The two-phase refrigerant that becomes low-temp low-pressure through throttling action enters outdoor heat exchanger 70, absorbs heat, flashes to the gas coolant of low-temp low-pressure; Through cross valve 50, get back to compressor 60, complete and heat circulation, heating in circulation, refrigerant is conductings at control valve 34.
In sum, whether the air-conditioning system that the utility model provides can improve refrigeration and heating effect by the conducting of control valve 34, and while making to heat, the outlet of parallel-flow heat exchanger has a narrow range of temperature simultaneously, improves and heats comfortableness.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. an air-conditioning system, it comprises indoor heat exchanger, throttle mechanism and be connected in described indoor heat exchanger and described throttle mechanism between part flow arrangement, it is characterized in that: described indoor heat exchanger is parallel-flow heat exchanger, described parallel-flow heat exchanger comprises the first header, the second header being arranged side by side with described the first header, be arranged between described the first header and described the second header and side by side interval some flat tubes and be arranged at the fin between adjacent described flat tube, described in each, the opposite end of flat tube inserts respectively in described the first header and described the second header, described in each, flat tube is connected with described the first header and described the second header, described parallel-flow heat exchanger also comprise be horizontally placed in described the second header some every stream part, described some every stream part the inner chamber of described the second header is separated into some cavitys, some cavitys by one with the first cavity that at most the described flat tube of quantity is connected and form with some the second cavitys that this first cavity separates, described part flow arrangement comprises the distributor with single port side and many mouthfuls of sides, the first isocon being connected with described the first cavity, the second isocon being connected with described the first cavity and be installed on described the first isocon and in when refrigeration cut-off and in the time heating the control valve of conducting and with corresponding and some the 3rd isocons that are connected one by one of the second cavity described in each, the free end of described the first isocon is connected in the single port side of described distributor, the free end of the free end of described the second isocon and described the 3rd isocon is all connected in many mouthfuls of sides of described distributor.
2. air-conditioning system as claimed in claim 1, it is characterized in that: described in each, the length of cavity is increased gradually by one end to the direction of the other end of described the second header, and described in each, in cavity, the longest cavity is described the first cavity being communicated with the described flat tube of maximum quantity.
3. air-conditioning system as claimed in claim 2, is characterized in that: described the second header vertically arranges, and one end of described the second header is low side, and the other end of described the second header is high-end.
4. the air-conditioning system as described in claim 1-3 any one, is characterized in that: described every stream part quantity be at least two, this at least two every stream part separate described the second header inner chamber form at least three described cavitys.
5. the air-conditioning system as described in claim 1-3 any one, is characterized in that: described control valve is magnetic valve or stop valve.
6. the air-conditioning system as described in claim 1-3 any one, it is characterized in that: described control valve is check valve, this check valve has refrigerant entrance and refrigerant exit, the refrigerant entrance of this check valve is communicated in described first cavity of described the second header, and the refrigerant exit of described check valve is communicated in the single port side of described distributor.
7. the air-conditioning system as described in claim 1-3 any one, is characterized in that: the caliber of described the first isocon is all larger than the caliber of the caliber of described the second isocon and described the 3rd isocon.
8. the air-conditioning system as described in claim 1-3 any one, is characterized in that: described the first isocon, the second isocon and described the 3rd isocon are capillary.
9. the air-conditioning system as described in claim 1-3 any one, it is characterized in that: described air-conditioning system also comprises the second tube connector between the single port side that is connected in the first tube connector on described the first header and is connected in described throttle mechanism and described distributor, and described the first tube connector is communicated in the middle part of described the first header.
10. air-conditioning system as claimed in claim 9, it is characterized in that: described air-conditioning system also comprises cross valve, be connected in the compressor of the first interface of described cross valve, be connected in described cross valve the second interface outdoor heat exchanger and be connected in the gas-liquid separator of the 3rd interface of described cross valve, the 4th interface of described cross valve is connected in an end of described the first tube connector, described gas-liquid separator is connected on described compressor, and described outdoor heat exchanger is connected in described throttle mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320874964.XU CN203671772U (en) | 2013-12-26 | 2013-12-26 | Air-conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320874964.XU CN203671772U (en) | 2013-12-26 | 2013-12-26 | Air-conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203671772U true CN203671772U (en) | 2014-06-25 |
Family
ID=50968061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320874964.XU Expired - Lifetime CN203671772U (en) | 2013-12-26 | 2013-12-26 | Air-conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203671772U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107178889A (en) * | 2017-05-27 | 2017-09-19 | 青岛海尔空调器有限总公司 | Indoor apparatus of air conditioner |
| CN104279709B (en) * | 2014-10-08 | 2017-12-19 | 美的集团股份有限公司 | Control method, device and the air conditioner of air conditioner |
| CN111256383A (en) * | 2018-11-30 | 2020-06-09 | 深圳麦克维尔空调有限公司 | Composite heat exchanger and heat exchange system with same |
-
2013
- 2013-12-26 CN CN201320874964.XU patent/CN203671772U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104279709B (en) * | 2014-10-08 | 2017-12-19 | 美的集团股份有限公司 | Control method, device and the air conditioner of air conditioner |
| CN107178889A (en) * | 2017-05-27 | 2017-09-19 | 青岛海尔空调器有限总公司 | Indoor apparatus of air conditioner |
| CN107178889B (en) * | 2017-05-27 | 2020-04-24 | 青岛海尔空调器有限总公司 | Indoor unit of air conditioner |
| CN111256383A (en) * | 2018-11-30 | 2020-06-09 | 深圳麦克维尔空调有限公司 | Composite heat exchanger and heat exchange system with same |
| CN111256383B (en) * | 2018-11-30 | 2021-11-05 | 深圳麦克维尔空调有限公司 | Composite heat exchanger and heat exchange system with same |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140625 |
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| CX01 | Expiry of patent term |