CN205090517U - Air conditioner hot water all -in -one machine - Google Patents

Air conditioner hot water all -in -one machine Download PDF

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Publication number
CN205090517U
CN205090517U CN201520807361.7U CN201520807361U CN205090517U CN 205090517 U CN205090517 U CN 205090517U CN 201520807361 U CN201520807361 U CN 201520807361U CN 205090517 U CN205090517 U CN 205090517U
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China
Prior art keywords
heat exchanger
compressor
hot water
electric expansion
expansion valve
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CN201520807361.7U
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Chinese (zh)
Inventor
潘俊
梁祥飞
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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 relates to an air conditioner hot water all -in -one machine, including air conditioner branch road, hot water branch road and outdoor heat exchanger, air conditioner branch road and hot water branch road all with outdoor heat exchanger is connected, the hot water branch road includes water tank heat exchanger, first switching -over valve and the first compressor, the water tank heat exchanger passes through first switching -over valve can with the first compressor's induction port is connected, the first compressor's gas vent passes through first switching -over valve can with outdoor heat exchanger is connected. The utility model provides an air conditioner hot water all -in -one machine through setting up first switching -over valve, makes the refrigerant water tank heat exchanger of flowing through when changing the frost operation, absorb heat accumulation and evaporation rapidly in the water tank, has absorbed thermal refrigerant and has passed through the acting of second compressor and arrange to outdoor side heat exchanger, reaches the purpose of quick defrosting.

Description

A kind of air-conditioning hot water integrated machine
Technical field
The utility model relates to household electrical appliance technical field, particularly a kind of air-conditioning hot water integrated machine.
Background technology
The existing air-conditioning hot water integrated machine with two condensation temperature uses double-compressor parallel technology, can realize separate refrigeration, heat separately, independent water heating, simultaneously refrigeration+water heating, heat+water heating five kinds of operational modes simultaneously.
When winter makes outdoor temperature is lower, all-in-one run heat or water heating pattern time can cause outdoor heat exchanger frosting, frosting can have a strong impact on the heating performance of system, now needs to carry out defrost.The mode that defrost is general is: inside and outside blower fan stops, the conducting state of adjustment four-way change-over valve, make cold-producing medium carry out circulating defrosting by the first compressor, the first reversal valve, outdoor heat exchanger, the second electric expansion valve, the first electric expansion valve, indoor heat exchanger, the first reversal valve, the first compressor successively, complete recovery again of defrosting normally is run.Adopt the heat that defrosts in this way all from compressor work, defrost power consumption is large, and the defrost time is long, and comfort property is poor, and may cause Wet Compression damage compressor.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of air-conditioning hot water integrated machine, makes air conditioning and water heating system possess quick defrosting function.
The air-conditioning hot water integrated machine that the utility model provides, comprise air-conditioning branch road, hot water branch road and outdoor heat exchanger, described air-conditioning branch road is all connected with described outdoor heat exchanger with hot water branch road, described hot water branch road comprises water container heat exchanger, the first reversal valve and the first compressor, described water container heat exchanger can be connected with the air entry of described first compressor by described first reversal valve, and the exhaust outlet of described first compressor can be connected with described outdoor heat exchanger by described first reversal valve.
Preferably, described air-conditioning branch road comprises indoor heat exchanger, the second reversal valve and the second compressor, described air-conditioning branch road and described hot water branch circuit parallel connection.
Preferably, between the air entry and off-premises station of described first compressor, be provided with check valve, only allow refrigerant to flow to described outdoor heat exchanger from the exhaust outlet of described first compressor.
Preferably, one end of described water container heat exchanger, indoor heat exchanger and outdoor heat exchanger is respectively arranged with the first electric expansion valve, the second electric expansion valve and the 3rd electric expansion valve.
Preferably, be also provided with fluid reservoir, one end that described first electric expansion valve, the second electric expansion valve are not connected with heat exchanger with the 3rd electric expansion valve is all connected to described fluid reservoir.
The air-conditioning hot water integrated machine that the utility model provides, by setting up the first reversal valve, make flow of refrigerant through water container heat exchanger when defrost runs, absorb the accumulation of heat in water tank and evaporation rapidly, the cold-producing medium absorbing heat drains into outdoor heat exchanger by the second compressor work, reaches the object of quickly defrosting.
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 hot water integrated machine structural representation.
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.
In prior art, air-conditioning hot water integrated machine uses double-compressor parallel technology, by the conducting state of the duty and the second reversal valve that control the first compressor and the second compressor, air-conditioning hot water integrated machine is enable to realize separate refrigeration, heat separately, independent water heating, refrigeration+water heating simultaneously, heat simultaneously+water heating and defrosting six kinds of operational modes.When defrosting mode in order to reduce the impact on indoor temperature, indoor fan and outdoor fan are all out of service, the second compressor institute work is only utilized to provide heat, energy consumption is higher, defrosting time is longer, comfortableness is poor, and does not run due to indoor fan, and refrigerant may evaporate and not exclusively causes Wet Compression thus cause damage to described second compressor in indoor heat exchanger.
The air-conditioning hot water integrated machine that the utility model provides comprises air-conditioning branch road, hot water branch road and outdoor heat exchanger 7, described air-conditioning branch road and hot water branch circuit parallel connection.Described air-conditioning branch road comprises the second compressor 1, second reversal valve 2, indoor heat exchanger 3 and the first electric expansion valve 4; Described hot water branch road comprises the first compressor 9, first reversal valve 10, water container heat exchanger 11 and the 3rd electric expansion valve 12.The exhaust outlet of described second compressor 1 is connected to the first port D of described second reversal valve 2, and the air entry of described second compressor 1 is connected to the 3rd port S of described second reversal valve 2; Second port E of described second reversal valve 2 is connected with the first end of described indoor heat exchanger 3, and the second end of described indoor heat exchanger 3 is connected with the first end of described first electric expansion valve 4; Second end of described first electric expansion valve 4 is connected (not shown) with the first end of the second electric expansion valve 6 and the 3rd electric expansion valve 12, second end of described second electric expansion valve 6 is connected to the first end of described outdoor heat exchanger 7, and the second end of described outdoor heat exchanger 7 is connected to the 4th port C of described second reversal valve 2; Second end of described 3rd electric expansion valve 12 is connected to the first end of described water container heat exchanger 11, and the second end of described water container heat exchanger 11 is connected to the second port E of described first reversal valve 10; First port D of described first reversal valve 10 and the 3rd port S is connected to exhaust outlet and the air entry of described first compressor 9 respectively, and the 4th port C of described first reversal valve 10 is connected to the 3rd port S of described second reversal valve 2.Preferably, also be provided with check valve 8, the inlet end of described check valve 8 is connected with the 4th port C of described first reversal valve 10, and the outlet side of described check valve 8 is connected with the second end of described outdoor heat exchanger 7, makes refrigerant can only flow to described outdoor heat exchanger 7 by described first reversal valve 10.
In another preferred embodiment, the air-conditioning hot water integrated machine that the utility model provides also comprises fluid reservoir 5, and the second end of described first electric expansion valve 4, the first end of the second electric expansion valve 6 are all communicated with described fluid reservoir 5 with the first end of the 3rd electric expansion valve 12.When the best groundwater increment deviation of the different operational mode of cold-producing medium is excessive, the liquid level in fluid reservoir 5 can be regulated by electric expansion valve, reach the object of regulating system groundwater increment, thus optimization system performance.
The air-conditioning hot water integrated machine that the utility model provides can realize separate refrigeration, heats separately, water heating, simultaneously refrigeration+water heating separately, heats+hot water simultaneously, and common defrost, fast defrost pattern, and carrying out practically mode is as follows:
Separate refrigeration pattern:
Described second compressor 1 works, described first compressor 9 does not work, first port D of described second reversal valve 2 and the 4th port C conducting, second port E and the 3rd port S conducting, described 3rd electric expansion valve 12 ends completely, a standard-sized sheet in described first electric expansion valve 4 and the second electric expansion valve 6, another carries out throttling.The flow direction of refrigerant is: flow to described outdoor heat exchanger 7 by the exhaust outlet of described second compressor 1 by described first reversal valve 2, condensation heat release in described outdoor heat exchanger 7, then after the throttling of described first electric expansion valve 4 or the second electric expansion valve 6, described indoor heat exchanger 3 evaporation endothermic is entered, the last air entry being flowed back to described second compressor 1 by described indoor heat exchanger 3, completes a kind of refrigeration cycle.
Independent heating mode:
Described second compressor 1 works, described first compressor 9 does not work, first port D of described second reversal valve 2 and the second port E conducting, 3rd port S and the 4th port C conducting, described 3rd electric expansion valve 12 ends completely, a standard-sized sheet in described first electric expansion valve 4 and the second electric expansion valve 6, another carries out throttling.The flow direction of refrigerant is: change reversal valve 2 by the exhaust outlet of described second compressor 1 by described first and flow to described indoor heat exchanger 3, condensation heat release in described indoor heat exchanger 3, then after the throttling of described first electric expansion valve 4 or the second electric expansion valve 6, described outdoor heat exchanger 7 evaporation endothermic is entered, the last air entry being flowed back to described second compressor 1 by described outdoor heat exchanger 7, completes one and heats circulation.
Independent water heating pattern:
Described first compressor 9 works, described second compressor 1 does not work, first port D of described first reversal valve 10 and the second port E conducting, 3rd port S and the 4th port C conducting, 3rd port S of described second reversal valve 2 and the 4th port C conducting, described first electric expansion valve 4 ends completely, a standard-sized sheet in described second electric expansion valve 6 and the 3rd electric expansion valve 12, another throttling.The flow direction of refrigerant is: flowed out by the exhaust outlet of described first compressor 9, condensation heat release in described water container heat exchanger 11 is entered by described first reversal valve 10, then after described 3rd electric expansion valve 12 or the second electric expansion valve 6 throttling, described outdoor heat exchanger 7 evaporation endothermic is entered, flow back to the air entry of described first compressor 9 through described second reversal valve 2, complete a water heating circulation.
Refrigeration+water heating pattern simultaneously:
Described first compressor 9 works, described second compressor 1 does not work, first port D of described first reversal valve 10 and the second port E conducting, 3rd port S and the 4th port C conducting, second port E of described second reversal valve 2 and the 3rd port S conducting, described second electric expansion valve 6 ends completely, a standard-sized sheet in described first electric expansion valve 4 and the 3rd electric expansion valve 12, another throttling.The flow direction of refrigerant is: flowed out by the exhaust outlet of described first compressor 9, condensation heat release in described water container heat exchanger 11 is entered by described first reversal valve 10, then enter described indoor heat exchanger 3 through described 3rd electric expansion valve 12 or the first electric expansion valve 4 and carry out evaporation endothermic, flow back to the air entry of described first compressor 9 again through described second reversal valve 2, complete a refrigeration+water heating circulation.
Heat+water heating pattern simultaneously:
Described second compressor 1 and the first compressor 9 work simultaneously, first port D of described second reversal valve 2 and the second port E conducting, 3rd port S and the 4th port C conducting, the first port D of described first reversal valve 10 and the second port E conducting, the 3rd port S and the 4th port C conducting.Described first electric expansion valve 4, the 3rd electric expansion valve 12 throttling, the second electric expansion valve 6 standard-sized sheet, or, described first electric expansion valve 4, the 3rd electric expansion valve 12 standard-sized sheet, the second electric expansion valve 6 throttling.Refrigerant divides two-way to circulate, the flow direction is respectively: the refrigerant that the exhaust outlet of described second compressor 1 flows out flows to described indoor heat exchanger 3 condensation heat release through described second reversal valve 2, after refrigerant flows out from described indoor heat exchanger 3, after described first electric expansion valve 4 or the second electric expansion valve 6 throttling, enter described outdoor heat exchanger 7 evaporation endothermic, then flow back to the air entry of described second compressor 1 or the first compressor 9 through described second reversal valve 2; The refrigerant that the exhaust outlet of described first compressor 9 flows out flows into condensation heat release in described water container heat exchanger 11 through described first reversal valve 10, the refrigerant flowed out in described water container heat exchanger 11 enters evaporation endothermic in described outdoor heat exchanger 7 after described 3rd electric expansion valve 12 or the second electric expansion valve 6 throttling, then enters the air entry of described second compressor 1 or the first compressor 9 through described second reversal valve 2.Complete one and heat+water heating circulation.
Common defrost pattern:
Described second compressor 1 works, described first compressor 9 does not work, first port D of described second reversal valve 2 and the 4th port C conducting, second port E and the 3rd port S conducting, described 3rd electric expansion valve 12 ends completely, a standard-sized sheet in described first electric expansion valve 4 or the second electric expansion valve 6, another throttling.Refrigerant flows to: the refrigerant that the exhaust outlet of described second compressor 1 flows out enters condensation heat release in described outdoor heat exchanger 7 through described second reversal valve 2, in order to accelerate defrost speed, the outdoor fan 71 of described outdoor heat exchanger 7 is closed, the refrigerant flowed out in described outdoor heat exchanger 7 enters described indoor heat exchanger 3 and evaporates after described first electric expansion valve 4 or the second electric expansion valve 6 throttling, in order to reduce the impact of defrosting on indoor temperature, the indoor fan 31 of described indoor heat exchanger 3 is closed, now, described indoor heat exchanger 3 can be considered not heat in absorption chamber, the refrigerant that described indoor heat exchanger 3 flows out flows back to the air entry of described second compressor 1 through described second reversal valve 2, complete a common defrost circulation.
Quick defrost pattern:
Described first compressor 9 works, described second compressor 1 does not work, first port D of described first reversal valve 10 and the 4th port C conducting, second port E and the 3rd port S conducting, described second reversal valve 2 the 3rd port S and the 4th port C conducting, described first electric expansion valve 4 ends completely, a standard-sized sheet in described second electric expansion valve 6 and the 3rd electric expansion valve 12, another throttling.Refrigerant flows to: the refrigerant that described first compressor 9 exhaust outlet flows out flows into described outdoor heat exchanger 7 through described first reversal valve 10 and the second reversal valve 2 first and carries out condensation heat release, the refrigerant flowed out in described outdoor heat exchanger 7 enters in described water container heat exchanger 11 and evaporates after described second electric expansion valve 6 or the 3rd electric expansion valve 12 throttling, the temperature of water in Absorbable rod water tank in refrigerant evaporation process, the refrigerant flowed out in described water container heat exchanger 11 flows back to the air entry of described first compressor 9 through described first reversal valve 10, complete a quick defrost circulation.Preferably, check valve 8 is provided with between 4th port C of described first reversal valve 10 and the second end of described outdoor heat exchanger 7, under making quick defrost pattern, refrigerant is flowed in described outdoor heat exchanger 7 by described check valve 8, thus avoids refrigerant be in atmospheric pressure state by its first port D during described second reversal valve 2 and then impact the reliability of described second reversal valve 2.
When above-mentioned quick defrost MODE of operation, due to the heat of the water in Absorbable rod water tank when refrigerant evaporates in described water container heat exchanger 11, so low during the relatively common defrost pattern of power consumption of described first compressor 9 consumed in whole defrost process, thus total power consumption when reducing defrost.But, because quick defrost pattern needs to absorb the heat of Water in Water Tanks, so, needing when starting quick defrost pattern to guarantee that water temperature in water tank is within limits, being preferably 15 DEG C-55 DEG C.When Water in Water Tanks temperature is lower, for preventing the heat absorbing water from making water temperature cause freezing lower than 0 DEG C, common defrost pattern should be adopted to carry out defrost.
The air-conditioning hot water integrated machine that the utility model provides, by setting up the first reversal valve 10, can realize quick defrost, and the heat of Water in Water Tanks can be utilized in quick defrost process, thus reduce the power consumption of described first compressor 9, and defrost speed can be accelerated, improve comfortableness.
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 (5)

1. an air-conditioning hot water integrated machine, comprise air-conditioning branch road, hot water branch road and outdoor heat exchanger, described air-conditioning branch road is all connected with described outdoor heat exchanger with hot water branch road, it is characterized in that, described hot water branch road comprises water container heat exchanger, the first reversal valve and the first compressor, described water container heat exchanger can be connected with the air entry of described first compressor by described first reversal valve, and the exhaust outlet of described first compressor can be connected with described outdoor heat exchanger by described first reversal valve.
2. air-conditioning hot water integrated machine according to claim 1, is characterized in that, described air-conditioning branch road comprises indoor heat exchanger, the second reversal valve and the second compressor, described air-conditioning branch road and described hot water branch circuit parallel connection.
3. air-conditioning hot water integrated machine according to claim 1 and 2, is characterized in that, between the air entry and off-premises station of described first compressor, be provided with check valve, only allows refrigerant to flow to described outdoor heat exchanger from the exhaust outlet of described first compressor.
4. air-conditioning hot water integrated machine according to claim 2, is characterized in that, one end of described water container heat exchanger, indoor heat exchanger and outdoor heat exchanger is respectively arranged with the first electric expansion valve, the second electric expansion valve and the 3rd electric expansion valve.
5. air-conditioning hot water integrated machine according to claim 4, is characterized in that, is also provided with fluid reservoir, and one end that described first electric expansion valve, the second electric expansion valve are not connected with heat exchanger with the 3rd electric expansion valve is all connected to described fluid reservoir.
CN201520807361.7U 2015-10-16 2015-10-16 Air conditioner hot water all -in -one machine Active CN205090517U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107525174A (en) * 2017-08-17 2017-12-29 青岛海信日立空调系统有限公司 A kind of multi-online air-conditioning system and its control method
CN105276706B (en) * 2015-10-16 2018-12-11 珠海格力电器股份有限公司 A kind of air-conditioning hot water integrated machine and its control method
CN110160291A (en) * 2018-02-06 2019-08-23 中山深宝电器制造有限公司 A kind of low temperature heating machine defrosting control program

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105276706B (en) * 2015-10-16 2018-12-11 珠海格力电器股份有限公司 A kind of air-conditioning hot water integrated machine and its control method
CN107525174A (en) * 2017-08-17 2017-12-29 青岛海信日立空调系统有限公司 A kind of multi-online air-conditioning system and its control method
CN110160291A (en) * 2018-02-06 2019-08-23 中山深宝电器制造有限公司 A kind of low temperature heating machine defrosting control program
CN110160291B (en) * 2018-02-06 2021-04-13 中山深宝电器制造有限公司 Defrosting control scheme for low-temperature heating machine

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