CN102121771A - Air conditioner heat exchange system and air conditioner comprising same - Google Patents

Air conditioner heat exchange system and air conditioner comprising same Download PDF

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Publication number
CN102121771A
CN102121771A CN 201110038989 CN201110038989A CN102121771A CN 102121771 A CN102121771 A CN 102121771A CN 201110038989 CN201110038989 CN 201110038989 CN 201110038989 A CN201110038989 A CN 201110038989A CN 102121771 A CN102121771 A CN 102121771A
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China
Prior art keywords
heat exchange
heat
distributor
exchange system
air
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Pending
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CN 201110038989
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Chinese (zh)
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赵敏
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Individual
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Individual
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Priority to CN 201110038989 priority Critical patent/CN102121771A/en
Publication of CN102121771A publication Critical patent/CN102121771A/en
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Abstract

The invention discloses an air conditioner heat exchange system and an air conditioner comprising the same. The air conditioner heat exchange system comprises a distributor and a heat exchanger consisting of multiple heat exchange units, wherein the distributor is provided with multiple flow splitting holes in one-to-one correspondence and communicated with the heat exchange units; and a throttle valve is arranged between each flow splitting hole and the corresponding heat exchange unit. According to the heat exchange system disclosed by the invention, as the throttle valves are arranged between the heat exchange units and the flow splitting holes of the distributor, by adjusting the throttling aperture of the throttle valves according to the different heat exchange efficiencies of the heat exchange units, the refrigerant of corresponding flow is enabled to pass through the heat exchange units, and the heat exchange efficiency can be maximized.

Description

Air-conditioning heat-exchange system and comprise its air-conditioning
Technical field
The present invention relates to the air-conditioning technical field of heat exchange, relate in particular to a kind of air-conditioning heat-exchange system and comprise its air-conditioning.
Background technology
Present air-conditioning system is that throttling element and distribution member are separately used, in most cases, throttle part is at off-premises station, and is an independent stream throttling basically, fluid after the throttling enters separate system again, by separate system fluid is assigned in each heat exchange unit of heat exchanger.
There are the following problems for existing heat-exchange system: at first, distributor front end import majority is the fluid that gas phase and liquid phase are mixed, because layering can appear in gravity effect, causes the fluid maldistribution, finally causes the heat exchanger heat exchange efficiency lower.Secondly, the design of distributor need reach corresponding uniformity, stability and repeatable requirement, causes manufacturing cost higher.At last, all at present distributors are all according to even shunting design, but heat exchanger is actually uneven to flow requirements.Existing air-condition heat exchanger shape is various, and it normally cooperates with fan realizes heat exchange function, and each heat exchange unit air quantity on the heat exchanger is inequality, so the heat exchange of each heat exchange unit load is also different.
Because the inhomogeneities of heat exchange unit, prior art personnel are often by adjusting the purpose that the tube side formula reaches uniform heat exchange of walking of heat exchange unit, not only workload is very big, nor can reach fully evenly, and heat exchanger generally can only be brought into play 90~95% heat exchange efficiency.
Summary of the invention
The invention provides a kind of air-conditioning heat-exchange system, solved existing air-conditioning heat-exchange system because the distributor distributing fluids is even, and the required fluid of each heat exchange unit of heat exchanger is inhomogeneous, finally causes the lower problem of heat exchange efficiency.
A kind of air-conditioning heat-exchange system, comprise distributor and the heat exchanger of forming by some heat exchange units, described distributor is provided with the tap hole that some and heat exchange unit are corresponding one by one and be communicated with, and is provided with choke valve between described each tap hole and the heat exchange unit corresponding with it.
Described distributor comprises distributing pipe, and tap hole is arranged on the tube wall of distributing pipe, and choke valve is fixed on the distributing pipe.
Described choke valve is the fixation type throttle valve or is unidirectional recreation room choke valve.
A kind of air-conditioning comprises compressor, the outdoor heat exchange series indoor heat-exchange system of unifying, and described indoor heat-exchange system, outdoor heat-exchange system or their both structures are:
Comprise distributor and the heat exchanger of being made up of some heat exchange units, described distributor is provided with the tap hole that some and heat exchange unit are corresponding one by one and be communicated with, and is provided with choke valve between described each tap hole and the heat exchange unit corresponding with it.
The pipeline that described outdoor heat exchange series is unified between the indoor heat-exchange system is provided with throttling element, this throttling element is born a part of throttling action or is not played throttling action, distributor of the present invention plays other a part of throttling action, because the adaptability difference of different type of machines, the most of situation of dispensing arrangement is welded on the heat exchanger, in case determine seldom to adjust, and different type of machines has difference a little to the demand of overall throttling, adjust whole restriction effect so need this throttling element, by adjusting the throttle diameter of throttling element, can adjust the throttling ratio between distributor and the throttling element, be that only throttling element or distributor play restriction effect under the extreme case.
Heat-exchange system of the present invention is arranged on choke valve between heat exchange unit and the distributor tap hole, therefore can be according to the heat exchange efficiency difference of heat exchange unit, by adjusting the throttle diameter of choke valve, allow the refrigerant of corresponding discharge pass through heat exchange unit, can be so that the heat exchange efficiency maximization.
Air-conditioning of the present invention has been removed traditional throttling element, by the choke valve on the heat-exchange system refrigerant is carried out throttling, owing to can adjust the aperture of choke valve, so refrigerant can be realized distribution according to need.
Description of drawings
Fig. 1 is the structural representation of heat-exchange system distributor of the present invention;
Fig. 2 is the explosive view of unidirectional movable choke valve;
Fig. 3 is the profile of choke valve shown in Figure 2;
Fig. 4 is the explosive view of fixation type throttle valve;
Fig. 5 is the profile of choke valve shown in the figure;
Fig. 6 all has the air-conditioning system structural representation of distributor shown in Figure 1 for the indoor heat exchange series outdoor heat-exchange system of unifying;
Fig. 7 commands the air-conditioning system structural representation of distributor shown in Figure 1 for indoor heat exchange series only;
Fig. 8 commands the air-conditioning system structural representation of distributor shown in Figure 1 for outdoor heat exchange series only.
The specific embodiment
As shown in Figure 1, a kind of distributor of air-conditioning heat exchange medium, this distributor comprises distributing pipe 11, distributing pipe 11 1 ends are entrance point, other end sealing, tube wall is provided with some tap holes, and each tap hole place is welded with a choke valve 12.This choke valve can be unidirectional movable choke valve or fixation type throttle valve.
As shown in Figures 2 and 3, a kind of unidirectional movable choke valve, the valve body 100 that comprises tubulose, be provided with valve seat 111 in the valve body 100, the opening 115 and the slideway 114 that have dead in line on the valve seat 111 and be interconnected are provided with movably tape spool to the spool 112 of aperture 116 in the slideway 114, spool 112 and slideway 114 inner chamber interference fits, and an end sphere fitted seal that is connected opening 115 with slideway 114 can certainly be that the linear sealing of other shape cooperates, as the conical surface etc.Slideway 114 is provided with pod apertures 118 near the sidewall of openings 115, leaves the gap that is communicated with pod apertures 118 between valve seat 111 outer walls at slideway 114 places and the valve interior wall.Slideway 114 is away from the radially reducing of an end of opening 115, spool 112 carried out spacing, prevents that it from deviating from.
Close slideway 114 radially reducing one end is provided with screen pack 117, prevents that foreign matter from entering valve body 100, stops up the duct.Can be separately independently between screen pack 117 and the valve seat 111, also can be to fuse, and some application requirements is than higher place, and screen pack all will be installed in two ends, the place that some application requirements is low, and screen pack can not installed.Spool 112 two ends are equipped with chamfering, by chamfering guiding fluid, change the noise that causes because of violent sectional area when the minimizing fluid flows through.
As shown in Figure 4 and Figure 5, a kind of fixation type throttle valve comprises the valve body 200 of tubulose being fixed with screen pack 201 and the tape spool spool 202 to aperture 203 in the valve body 200 that spool 202 outer walls are provided with groove and cooperate with valve body 200 inner wall sealings.This choke valve can be realized bidirectional throttle.
As shown in Figure 6, a kind of air-conditioning system, comprise compressor 1, outdoor heat-exchange system 2, indoor heat-exchange system 3, low pressure valve 5 and high pressure valve 6, heat-exchange system is made up of heat exchanger 21 and distributor 22, the heat exchanger of present embodiment is a conventional products, it generally comprises some heat exchange units, and heat exchange unit generally is made up of the tubulation of conducting heat exchanging fluid medium and the radiating fin on the tubulation outer wall, has an outlet and an import.Distributor is selected said structure for use, and each tap hole on the distributor is corresponding one by one with single heat exchange unit, and is communicated with by choke valve, needs also can set up conduit as design.That is to say between each tap hole and the corresponding heat exchange unit and be provided with a choke valve.Because the aperture of choke valve is adjustable, therefore can be according to the heat exchange efficiency of heat exchange unit, according to distributing needs to design the throttle diameter of each choke valve, choke valve is selected unidirectional movable choke valve for use.
Can set up a throttling element 4 between outdoor heat-exchange system 2 and the indoor heat-exchange system 3, this throttling element is born a part of throttling action or is not played throttling action, makes above-mentioned heat-exchange system can adapt to different types of air conditioners.
As shown in Figure 7 and Figure 8, another kind of air-conditioning system, this air-conditioning system have only been installed above-mentioned distributor on indoor heat exchanger or outdoor heat exchanger, and the choke valve on the distributor is selected the fixation type throttle valve for use.

Claims (5)

1. air-conditioning heat-exchange system, comprise distributor and the heat exchanger of forming by some heat exchange units, described distributor is provided with the tap hole that some and heat exchange unit are corresponding one by one and be communicated with, and it is characterized in that, is provided with choke valve between described each tap hole and the heat exchange unit corresponding with it.
2. air-conditioning heat-exchange system according to claim 1 is characterized in that described distributor comprises distributing pipe, and tap hole is arranged on the tube wall of distributing pipe, and choke valve is fixed on the distributing pipe.
3. air-conditioning heat-exchange system according to claim 1 is characterized in that, described choke valve is the fixation type throttle valve or is unidirectional movable choke valve.
4. air-conditioning comprises compressor, the outdoor heat exchange series indoor heat-exchange system of unifying, and it is characterized in that described indoor heat-exchange system, outdoor heat-exchange system or their both structures are:
Comprise distributor and the heat exchanger of being made up of some heat exchange units, described distributor is provided with the tap hole that some and heat exchange unit are corresponding one by one and be communicated with, and is provided with choke valve between described each tap hole and the heat exchange unit corresponding with it.
5. air-conditioning according to claim 4 is characterized in that, the pipeline that described outdoor heat exchange series is unified between the indoor heat-exchange system is provided with throttling element.
CN 201110038989 2011-02-16 2011-02-16 Air conditioner heat exchange system and air conditioner comprising same Pending CN102121771A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201110038989 CN102121771A (en) 2011-02-16 2011-02-16 Air conditioner heat exchange system and air conditioner comprising same

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Application Number Priority Date Filing Date Title
CN 201110038989 CN102121771A (en) 2011-02-16 2011-02-16 Air conditioner heat exchange system and air conditioner comprising same

Publications (1)

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CN102121771A true CN102121771A (en) 2011-07-13

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106288550A (en) * 2016-05-04 2017-01-04 儒正(上海)节能设备有限公司 Coolant and/or flow rate of heat medium adjusting means
CN107543340A (en) * 2017-07-20 2018-01-05 广东美的暖通设备有限公司 Throttling and shunt assembly and air conditioner
CN106052214B (en) * 2016-06-13 2018-07-17 上海交通大学 Independent flow path heat pump type air conditioner system
CN108679272A (en) * 2018-07-03 2018-10-19 华霆(合肥)动力技术有限公司 A kind of non-return structure and device for storing liquid

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2670858Y (en) * 2003-11-11 2005-01-12 王德元 High-efficient separatnig structure for air-cooled heat-pump
CN201122022Y (en) * 2007-12-10 2008-09-24 广东恒基金属制品实业有限公司 Bidirectional throttle junction valve
CN201396997Y (en) * 2009-04-24 2010-02-03 宁波奥克斯电气有限公司 Refrigerant distribution device of air conditioner
CN201417050Y (en) * 2009-06-02 2010-03-03 广东美的电器股份有限公司 Shunting device of one-connected-more air-conditioning system
CN201532062U (en) * 2009-11-17 2010-07-21 海信(山东)空调有限公司 One-way movable type throttle valve and air conditioner installed with same
CN202002410U (en) * 2011-02-16 2011-10-05 赵敏 Air-conditioner heat exchanging system and air conditioner including same

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2670858Y (en) * 2003-11-11 2005-01-12 王德元 High-efficient separatnig structure for air-cooled heat-pump
CN201122022Y (en) * 2007-12-10 2008-09-24 广东恒基金属制品实业有限公司 Bidirectional throttle junction valve
CN201396997Y (en) * 2009-04-24 2010-02-03 宁波奥克斯电气有限公司 Refrigerant distribution device of air conditioner
CN201417050Y (en) * 2009-06-02 2010-03-03 广东美的电器股份有限公司 Shunting device of one-connected-more air-conditioning system
CN201532062U (en) * 2009-11-17 2010-07-21 海信(山东)空调有限公司 One-way movable type throttle valve and air conditioner installed with same
CN202002410U (en) * 2011-02-16 2011-10-05 赵敏 Air-conditioner heat exchanging system and air conditioner including same

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106288550A (en) * 2016-05-04 2017-01-04 儒正(上海)节能设备有限公司 Coolant and/or flow rate of heat medium adjusting means
CN106288550B (en) * 2016-05-04 2022-06-28 儒正(上海)节能设备有限公司 Refrigerant and/or heating medium flow regulating device
CN106052214B (en) * 2016-06-13 2018-07-17 上海交通大学 Independent flow path heat pump type air conditioner system
CN107543340A (en) * 2017-07-20 2018-01-05 广东美的暖通设备有限公司 Throttling and shunt assembly and air conditioner
CN108679272A (en) * 2018-07-03 2018-10-19 华霆(合肥)动力技术有限公司 A kind of non-return structure and device for storing liquid

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Application publication date: 20110713