CN205090588U - Indoor heat transfer structure of air conditioning system and air conditioning system - Google Patents

Indoor heat transfer structure of air conditioning system and air conditioning system Download PDF

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Publication number
CN205090588U
CN205090588U CN201520891264.0U CN201520891264U CN205090588U CN 205090588 U CN205090588 U CN 205090588U CN 201520891264 U CN201520891264 U CN 201520891264U CN 205090588 U CN205090588 U CN 205090588U
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China
Prior art keywords
heat exchanger
indoor heat
indoor
conditioning system
radiation type
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CN201520891264.0U
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Chinese (zh)
Inventor
刘志孝
颜圣绿
王磊
张�浩
刘伯春
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Abstract

The utility model relate to an air conditioner the indoor heat transfer structure of system, including indoor heat exchanger of heat radiation type and the indoor heat exchanger of second, only be in be provided with indoor fan in the indoor heat exchanger of second, the indoor heat exchanger of heat radiation type is parallelly connected or series connection with the indoor heat exchanger of second. The utility model provides an air conditioning system, indoor set adopt mode parallelly connected or that establish ties to add plate heat exchanger, make the temperature reach and keep the temperature through plate heat exchanger after the setting value, close indoor fan to realize the energy -conserving mesh of making an uproar that falls. The travelling comfort that makes air conditioning system gets a promotion.

Description

The indoor heat exchange structure of a kind of air-conditioning system and air-conditioning system
Technical field
The utility model relates to apparatus of air conditioning technical field, particularly the indoor heat exchange structure of a kind of air-conditioning system and air-conditioning system.
Background technology
Air-conditioned room original room load is large; operation of air conditioner is in maximum speed oepration at full load; along with running time extends; room load demand reduces; now air-conditioning rotating speed is in low speed state operation; this is the operation logic of convertible frequency air-conditioner common at present, and fixed machine frequently meets room load change by intermittent startup-shutdown.The varying duty control mode of these two kinds of modes all needs the blower fan long period to operate, and operation power consumption is large, and the large comfortableness of noise is not good.
Utility model content
In view of this, the purpose of this utility model is to provide the indoor heat exchange structure of a kind of air-conditioning system and air-conditioning system, to solve the technical problems such as air-conditioning system power consumption in prior art is large, noise is large.
According to first aspect of the present utility model, provide a kind of air-conditioning system indoor heat exchange structure, comprise heat radiation type indoor heat exchanger and the second indoor heat exchanger, only in described second indoor heat exchanger, be provided with indoor fan; Described heat radiation type indoor heat exchanger is in parallel with the second indoor heat exchanger or connect.
Preferably, described heat radiation type indoor heat exchanger and the parallel connection of the second indoor heat exchanger, the side of described heat radiation type indoor heat exchanger is provided with first throttle valve, and the side of described second indoor heat exchanger is provided with second throttle.
Preferably, described heat radiation type indoor heat exchanger is connected with the second indoor heat exchanger, and the connecting pipeline of described heat radiation type indoor heat exchanger and the second indoor heat exchanger is provided with the 3rd choke valve.
Preferably, described heat radiation type indoor heat exchanger and the second indoor heat exchanger are respectively arranged with one.
Preferably, on the wall that described heat radiation type indoor heat exchanger is disposed in the interior.
Preferably, described heat radiation type indoor heat exchanger is plate type heat exchanger.
According to second aspect of the present utility model, provide a kind of air-conditioning system, comprise above-mentioned indoor heat exchange structure.
The air-conditioning system that the utility model provides, indoor set adopts mode that is in parallel or series connection to set up plate type heat exchanger, keeps temperature, close chamber's inner blower after making temperature reach setting value by plate type heat exchanger, thus the object realizing energy-saving and noise-reducing.The comfortableness of air-conditioning system is got a promotion.
Accompanying drawing explanation
By referring to the description of accompanying drawing to the utility model embodiment, above-mentioned and other objects of the present utility model, feature and advantage will be more clear, in the accompanying drawings:
Fig. 1 is the utility model air-conditioning system first embodiment schematic diagram;
Fig. 2 is the utility model air-conditioning system second embodiment schematic diagram;
Fig. 3 is the utility model air-conditioning system workflow diagram.
Detailed description of the invention
Hereinafter with reference to accompanying drawing, various embodiment of the present utility model is described in more detail.In various figures, identical element adopts same or similar Reference numeral to represent.For the sake of clarity, the various piece in accompanying drawing is not drawn in proportion.
As shown in Figure 1, 2, the air-conditioning system that the utility model provides comprises indoor set and off-premises station, described off-premises station comprises compressor 1, four-way change-over valve 2, outdoor heat exchanger 3, the outlet of described compressor 1 is connected to the first port of described four-way change-over valve 2, and the entrance of described compressor 1 is connected to the 3rd port of described four-way change-over valve 2; Second port of described four-way change-over valve 2 is connected to the first end of described outdoor heat exchanger 3, and the second end of described outdoor heat exchanger 3 is connected with described indoor set first end, and described indoor set second end is connected with described four-way change-over valve 2 the 4th port.
Described indoor set comprises heat radiation type indoor heat exchanger 4, second indoor heat exchanger 5 and choke valve, and preferably, described heat radiation type indoor heat exchanger 4 is plate type heat exchanger, and described second indoor heat exchanger 5 is fin-tube type heat exchanger.Described second indoor heat exchanger 5 is also provided with indoor fan 51.Described heat radiation type indoor heat exchanger 4 and the separate setting of the second indoor heat exchanger 5, on described heat radiation type indoor heat exchanger 4 wall disposed in the interior, preferably, attractive in appearance in order to indoor, house desigh or installation site and the pipeline connection space of described heat radiation type indoor heat exchanger 4 need be reserved when carrying out interior decoration.Described heat radiation type indoor heat exchanger 4 and the second indoor heat exchanger 5 can select two kinds of different modes to be connected, and by the duty controlling described heat radiation type indoor heat exchanger 4 and the second indoor heat exchanger 5, different working modes is realized to different chamber's internal loading, and then play the object of energy-saving and noise-reducing.
The workflow of system as shown in Figure 3, it is heavy-duty service pattern when system just starts, temperature can be made to reach setting value fast, underrun pattern is converted to after temperature reaches setting value, detected temperatures value simultaneously, if the deviation of temperature and setting value exceedes when setting deviate, system is transformed into heavy-duty service pattern, if do not exceed setting deviate, keeps underrun pattern.Preferably, described setting deviate is 0.5 ~ 2 DEG C.
Concrete connected mode and the corresponding control method thereof of described heat radiation type indoor heat exchanger 4 and the second indoor heat exchanger 5 are respectively:
Embodiment one:
As shown in Figure 1, described heat radiation type indoor heat exchanger 4 is in parallel with the second indoor heat exchanger 5: the first end of described heat radiation type indoor heat exchanger 4 is connected to the second end of described first throttle valve 6, the first end of described second indoor heat exchanger 5 is connected to the second end of described second throttle 7, and the first end of described first throttle valve 6 and second throttle 7 is all connected to the second end of described outdoor heat exchanger 3; Second end of described heat radiation type indoor heat exchanger 4 and the second indoor heat exchanger 5 is all connected to the 4th port of described four-way change-over valve 2.
Control method:
When needs are to when freezing in room, during firm startup, system is high loaded process pattern, first port of described four-way change-over valve 2 and the second port conducting, 3rd port and the 4th port conducting, the high pressure gaseous refrigerant of discharging in described compressor 1 enters described outdoor heat exchanger 3 condensation heat release, the outdoor fan 31 of described outdoor heat exchanger 3 is opened and is in high rotary speed working state, strengthen the heat transfer effect of described outdoor heat exchanger 3, described first throttle valve 6 aperture is less, described second throttle 7 aperture is larger, refrigerant mainly enters described second indoor heat exchanger 5 evaporation endothermic, and described indoor fan 51 is opened, strengthen the heat transfer effect of described second indoor heat exchanger 5, realize indoor fast cooling.After indoor temperature is reduced to design temperature, system is converted to low load operation pattern, described first throttle valve 6 aperture increases, described second throttle 7 aperture reduces, and close described indoor fan 51, described outdoor fan 31 is converted to low speed state simultaneously, described compressor 1 is converted to low speed state, now, refrigerant main in described heat radiation type indoor heat exchanger 4 evaporation endothermic, keep indoor temperature by described heat radiation type indoor heat exchanger 4.Because described indoor fan 51 is closed, described outdoor fan 31 and compressor 1 rotating speed lower, so system energy consumption is lower, and indoor do not have noise, and comfort level is better.
When detect indoor temperature and design temperature deviation exceed set deviate time, system is converted to high loaded process pattern again, is again converted to low load operation pattern after reaching design temperature.
When needs are to when heating in room, switch the conducting state of described four-way change-over valve 2, make the first port and the 4th port conducting, the second port and the 3rd port conducting of described four-way change-over valve 2.Heavy-duty service pattern and first throttle valve 6 described under underrun pattern, second throttle 7, indoor fan 51 are identical with during refrigeration with the duty of outdoor fan 31.
Embodiment two:
As shown in Figure 2, described heat radiation type indoor heat exchanger 4 is connected with the second indoor heat exchanger 5: the first end of described heat radiation type indoor heat exchanger 4 is connected to the second end of described 3rd choke valve 8, and the first end of described 3rd choke valve 8 is connected to the second end of described outdoor heat exchanger 3; Second end of described heat radiation type indoor heat exchanger 4 is connected to the first end of described second indoor heat exchanger 5, and the second end of described second indoor heat exchanger 5 is connected to the 4th port of described four-way change-over valve 2.
Control method:
When needs are to when freezing in room, during firm startup, system is high loaded process pattern, first port of described four-way change-over valve 2 and the second port conducting, 3rd port and the 4th port conducting, the gaseous coolant of discharging in described compressor 1 enters described outdoor heat exchanger 3 condensation heat release, the outdoor fan 31 of described outdoor heat exchanger 3 is opened and is in high rotary speed working state, strengthen the heat transfer effect of described outdoor heat exchanger 3, described 3rd choke valve 8 aperture is larger, refrigerant successively enters described heat radiation type indoor heat exchanger 4 and the second indoor heat exchanger 5 evaporation endothermic, and described indoor fan 51 is opened, the heat exchange efficiency of described second indoor heat exchanger 5 is higher, the object of indoor fast cooling is realized mainly through described second indoor heat exchanger 5.After indoor temperature is reduced to design temperature, system is converted to low load operation pattern, and described 3rd choke valve 8 aperture reduces or keeps former aperture, closes described indoor fan 51, described outdoor fan 31 is converted to low speed state, and described compressor 1 is converted to low speed state.Because now described indoor fan 51 is closed, the heat exchange efficiency of described second indoor heat exchanger 5 is lower, describedly main keeps indoor temperature by described heat radiation type indoor heat exchanger 4.Because described indoor fan 51 is closed, described outdoor fan 31 and compressor 1 rotating speed lower, so system energy consumption is lower, and indoor do not have noise, and comfort level is better.
When detect the deviation of indoor temperature and design temperature exceed set deviate time, system is converted to high loaded process pattern again, is again converted to low load operation pattern after reaching design temperature.
When needs are to when heating in room, switch the conducting state of described four-way change-over valve 2, make the first port and the 4th port conducting, the second port and the 3rd port conducting of described four-way change-over valve 2.Heavy-duty service pattern is identical with during refrigeration with the duty of the 3rd choke valve 8 described under underrun pattern, indoor fan 51, outdoor fan 31 and compressor 1.
The utility model air-conditioning system is by arranging described heat radiation type indoor heat exchanger 4 at indoor set, and control the duty of described choke valve and indoor fan 51, outdoor fan 31 and compressor 1, realize heavy-duty service pattern and the underrun pattern of system.Can environmentally temperature switch between two kinds of operational modes, and during underrun, energy consumption is low, noiselessness, improves the comfortableness of air-conditioning system.
Should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.
Last it is noted that obviously, above-described embodiment is only for the utility model example is clearly described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of amplifying out or variation be still among protection domain of the present utility model.

Claims (7)

1. the indoor heat exchange structure of air-conditioning system, is characterized in that, comprise heat radiation type indoor heat exchanger and the second indoor heat exchanger, only in described second indoor heat exchanger, be provided with indoor fan; Described heat radiation type indoor heat exchanger is in parallel with the second indoor heat exchanger or connect.
2. the indoor heat exchange structure of air-conditioning system according to claim 1, it is characterized in that, described heat radiation type indoor heat exchanger and the parallel connection of the second indoor heat exchanger, the side of described heat radiation type indoor heat exchanger is provided with first throttle valve, and the side of described second indoor heat exchanger is provided with second throttle.
3. the indoor heat exchange structure of air-conditioning system according to claim 1, it is characterized in that, described heat radiation type indoor heat exchanger is connected with the second indoor heat exchanger, and the connecting pipeline of described heat radiation type indoor heat exchanger and the second indoor heat exchanger is provided with the 3rd choke valve.
4. the indoor heat exchange structure of the air-conditioning system according to any one of claim 1-3, it is characterized in that, described heat radiation type indoor heat exchanger and the second indoor heat exchanger are respectively arranged with one.
5. the indoor heat exchange structure of the air-conditioning system according to any one of claim 1-3, is characterized in that, on the wall that described heat radiation type indoor heat exchanger is disposed in the interior.
6. the indoor heat exchange structure of air-conditioning system according to claim 5, it is characterized in that, described heat radiation type indoor heat exchanger is plate type heat exchanger.
7. an air-conditioning system, is characterized in that, comprises the indoor heat exchange structure described in any one of claim 1-6.
CN201520891264.0U 2015-11-09 2015-11-09 Indoor heat transfer structure of air conditioning system and air conditioning system Active CN205090588U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105318522A (en) * 2015-11-09 2016-02-10 珠海格力电器股份有限公司 Air conditioning system indoor heat exchanging structure, air conditioning system and control method of air conditioning system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105318522A (en) * 2015-11-09 2016-02-10 珠海格力电器股份有限公司 Air conditioning system indoor heat exchanging structure, air conditioning system and control method of air conditioning system
CN105318522B (en) * 2015-11-09 2018-12-25 珠海格力电器股份有限公司 Heat exchange structure, air-conditioning system and its control method in a kind of air-conditioning system room

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