CN203518007U - Air-conditioner indoor unit and air-conditioner applying same - Google Patents

Air-conditioner indoor unit and air-conditioner applying same Download PDF

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Publication number
CN203518007U
CN203518007U CN201320461495.9U CN201320461495U CN203518007U CN 203518007 U CN203518007 U CN 203518007U CN 201320461495 U CN201320461495 U CN 201320461495U CN 203518007 U CN203518007 U CN 203518007U
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China
Prior art keywords
heat exchanger
indoor
air
refrigerant
air conditioner
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CN201320461495.9U
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Chinese (zh)
Inventor
闫长林
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GD Midea Air Conditioning Equipment Co Ltd
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Guangdong Midea Refrigeration Equipment Co Ltd
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Abstract

The utility model provides an air-conditioner indoor unit and an air-conditioner applying the same. The air-conditioner indoor unit is at least provided with two indoor heat changers, wherein one of the indoor heat exchanger is a main indoor heat exchanger and is placed on the upper side of an air-conditioner body, and the other indoor heat exchanger is an auxiliary indoor heat exchanger and is placed on the lower side of the air-conditioner body. The air-conditioner is reasonable in structural arrangement, in the heating process, the main indoor heat exchanger, a main cross-flow fan, the auxiliary indoor heat exchanger and an auxiliary cross-flow fan operate simultaneously, the heating comfort of the air-conditioner in a room is improved by reasonably using an air circulation system, the heating effect can be effectively improved, the temperature difference of air at the upper position and air at the lower position in the room is reduced, and the comfort problem of the air-conditioner in the room is effectively solved. The air-conditioner indoor unit and the air-conditioner applying the same are simple in principle, convenient and practical to control and easy to implement.

Description

The air-conditioner of indoor apparatus of air conditioner and application thereof
Technical field
The utility model belongs to air-conditioning technical field, more particularly, relates to a kind ofly can effectively reduce the indoor apparatus of air conditioner of the upper and lower difference in air temperature of air-conditioned room and the air-conditioner of application thereof.
Background technology
The air outlet of existing air-conditioner is all at fuselage upside, air-conditioner is when cooling and warming, and wind can only blow side out by slave with it, and such air-out effect is poor to the comfortableness in room, especially when heating, after wind slave blows side out, because hot-air is lighter than cold air, will cause hot-air to run up with it, the situation that cold air sinks, while causing heating, the upper and lower temperature difference in room is larger, gives a kind of cold sensation of hot pin of user, and user's experience effect is bad.
Utility model content
The purpose of this utility model is to overcome the defect of above-mentioned prior art, a kind of air conditioner room unit is provided, applies the control method of air-conditioner and this air-conditioner of this indoor apparatus of air conditioner, be intended to effectively improve air conditioner heat-production effect, reduce the temperature difference of the upper and lower air in room, improve the comfortableness of air-conditioned room.
For achieving the above object, the technical solution adopted in the utility model is: a kind of indoor apparatus of air conditioner is provided, and this indoor apparatus of air conditioner comprises housing, indoor main heat exchanger and at least one main cross flow fan, also comprises indoor auxiliary heat exchanger and auxiliary cross flow fan;
The upside cavity and the downside cavity that is positioned at its underpart in described housing with the portion of being located thereon, the top of described housing is provided with the quantity upside air outlet identical and that communicate with described upside cavity of quantity and described main cross flow fan, and the bottom of described housing is provided with at least one downside air outlet communicating with described downside cavity;
Described indoor main heat exchanger and described main cross flow fan are positioned at described upside cavity, and described indoor auxiliary heat exchanger and described auxiliary cross flow fan are positioned at described downside cavity, and described indoor main heat exchanger and described indoor auxiliary heat exchanger are connected by refrigerant pipeline.
Further, above-mentioned indoor apparatus of air conditioner also comprises the by-passing valve pipe assembly for described indoor auxiliary heat exchanger is fallen from the refrigerant circulation circuit bypass of air-conditioning system.
Particularly, described valve pipe assembly comprises that the first refrigerant divides pipeline, the second refrigerant divides pipeline and is located at described the first refrigerant and divides the first electrically-controlled valve on pipeline and be located at described the second refrigerant and divide the second electrically-controlled valve on pipeline, described the first refrigerant divides one end of pipeline to connect the refrigerant pipeline between described indoor main heat exchanger and described indoor auxiliary heat exchanger, described the second refrigerant divides one end of pipeline to connect described indoor auxiliary heat exchanger, described the first refrigerant divides the other end of pipeline to divide the other end of pipeline to converge for being jointly connected with gas side interface or the liquid side interface of off-premises station with described the second refrigerant.
Or, particularly, described valve pipe assembly comprises that the first refrigerant divides pipeline, the second refrigerant to divide pipeline and a three-way solenoid valve, described the first refrigerant divides one end of pipeline to connect the refrigerant pipeline between described indoor main heat exchanger and described indoor auxiliary heat exchanger, the other end connects first mouth of pipe of described three-way solenoid valve, described the second refrigerant divides one end of pipeline to connect described indoor auxiliary heat exchanger, the other end connects second mouth of pipe of described three-way solenoid valve, and the 3rd mouth of pipe of described three-way solenoid valve is for being connected with gas side interface or the liquid side interface of off-premises station.
Preferably, the area of described indoor auxiliary heat exchanger be less than or equal to described indoor main heat exchanger area 1/3rd.
Preferably, the length of described main cross flow fan is at least the twice of the length of described auxiliary cross flow fan.
Particularly, described indoor main heat exchanger is erect and is arranged, and described indoor auxiliary heat exchanger is erect setting or horizontally set or oblique setting.
Alternatively, described indoor auxiliary heat exchanger is finned heat exchanger or parallel-flow heat exchanger.
The beneficial effect of the indoor apparatus of air conditioner that the utility model provides is: the utility model indoor apparatus of air conditioner is at least provided with two indoor heat exchangers, and one of them is indoor main heat exchanger, at air-conditioner fuselage upside; Another is indoor auxiliary heat exchanger, at air-conditioner fuselage downside, the structural configuration of air-conditioner is more reasonable, while heating, indoor main heat exchanger and main cross flow fan, indoor auxiliary heat exchanger and auxiliary cross flow fan move simultaneously, by rationally utilizing air circulation system to promote the comfortableness that heats of room air conditioner, can effectively improve heating effect, reduce the temperature difference of the upper and lower air in room, effectively solve the comfortableness problem of room air conditioner.
The utility model further provides a kind of air-conditioner, it comprises off-premises station and controller, also comprise above-mentioned indoor apparatus of air conditioner, described indoor set and described off-premises station are connected to form refrigerant circulation circuit by gaseous refrigerant pipe and liquid refrigerants pipe, and described controller is controlled the operation of air-conditioner.
The beneficial effect of the air-conditioner that the utility model provides is: the utility model provides air-conditioner, and its control principle is simple, convenient and practical, than being easier to, realizes;
(1) when air-conditioner is during in refrigerating state, by controlling electrically-controlled valve or three-way solenoid valve, indoor auxiliary heat exchanger bypass is fallen, only have indoor main heat exchanger to work in refrigerant circulation circuit, there is main cross flow fan the front side of indoor main heat exchanger, wind can slave with it side air-out mouth blow out, because cold air can nature sinks after blowing out, so only need main heat exchanger opening chamber in just can reach the refrigeration of expection during its refrigeration, the room comfortableness requirement of air-conditioner also can reach.
(2) when air-conditioner is during in refrigerating state, by controlling electrically-controlled valve or three-way solenoid valve, indoor main heat exchanger and indoor auxiliary heat exchanger are together in series, now indoor main heat exchanger and indoor auxiliary heat exchanger play a role simultaneously, because indoor main heat exchanger is at fuselage upside, indoor auxiliary heat exchanger is at fuselage downside, there is main cross flow fan indoor main heat exchanger front side, and with upside air outlet, indoor auxiliary heat exchanger front side or downside also have auxiliary cross flow fan, also with downside air outlet, while heating like this, wind blows out from upside air outlet and the downside air outlet of fuselage simultaneously, will make like this difference in air temperature up and down in room reduce, avoided hot-air only to rest on the upper space in room and cause a cold situation of warm pin, greatly improved the comfortableness that room air conditioner heats.
Accompanying drawing explanation
The perspective view that Fig. 1 provides for the utility model indoor apparatus of air conditioner embodiment mono-;
The vertical sectional structure schematic diagram that Fig. 2 provides for the utility model indoor apparatus of air conditioner embodiment mono-;
The horizontal sectional structure schematic diagram that Fig. 3 provides for the utility model indoor apparatus of air conditioner embodiment mono-;
The running status schematic diagram that Fig. 4 provides for the utility model indoor apparatus of air conditioner embodiment mono-;
The perspective view that Fig. 5 provides for the utility model indoor apparatus of air conditioner embodiment bis-;
The vertical sectional structure schematic diagram that Fig. 6 provides for the utility model indoor apparatus of air conditioner embodiment bis-;
The horizontal sectional structure schematic diagram that Fig. 7 provides for the utility model indoor apparatus of air conditioner embodiment bis-;
The principle assumption diagram that Fig. 8 provides for the utility model air-conditioner embodiment mono-;
Theory structure and refrigeration mode running status figure that Fig. 9 provides for the utility model air-conditioner embodiment bis-;
Theory structure and heating mode running status figure that Figure 10 provides for the utility model air-conditioner embodiment bis-;
The principle assumption diagram that Figure 11 provides for the utility model air-conditioner embodiment tri-;
Theory structure and refrigeration mode running status figure that Figure 12 provides for the utility model air-conditioner embodiment tetra-;
Theory structure and heating mode running status figure that Figure 13 provides for the utility model air-conditioner embodiment tetra-;
The principle assumption diagram that Figure 14 provides for the utility model air-conditioner embodiment five;
The control flow chart that the control method embodiment that Figure 15 is the utility model air-conditioner provides.
In figure:
1-indoor apparatus of air conditioner; 11-housing; 111-upside cavity; The indoor main heat exchanger of 121-; The main cross flow fan of 131-; 112-downside cavity; The indoor auxiliary heat exchanger of 122-; The auxiliary cross flow fan of 132-, 1110-upside air outlet; 1120-downside air outlet; 1111-upside air inlet; 1121-downside air inlet; 21-compressor; 22-cross valve; 23-outdoor heat exchanger; 24-electric expansion valve; 101-the first refrigerant divides pipeline, and 102-the second refrigerant divides pipeline; 31-the first electrically-controlled valve; 32-the second electrically-controlled valve; 4-three-way solenoid valve; First mouth of pipe of 41-three-way solenoid valve; Second mouth of pipe of 42-three-way solenoid valve; The 3rd mouth of pipe of 43-three-way solenoid valve.
The specific embodiment
In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect 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.
First-selection, describes the real indoor apparatus of air conditioner providing of the utility model by reference to the accompanying drawings.
Embodiment mono-
See also Fig. 1 to Fig. 4 and Fig. 8, the existing indoor apparatus of air conditioner 1 that the utility model embodiment mono-is provided describes.This kind of indoor apparatus of air conditioner 1 comprises housing 11, indoor main heat exchanger and main cross flow fan 131, wherein, main cross flow fan 131 at least arranges one, also two or more can be set according to actual needs, in the present embodiment diagram, main cross flow fan 131 arranges two, more crucial, this kind of indoor apparatus of air conditioner 1 is provided with indoor auxiliary heat exchanger and auxiliary cross flow fan 132, particularly, the upside cavity 111 and the downside cavity 112 that is positioned at its underpart in housing 11 with the portion of being located thereon, it is identical with the quantity of main cross flow fan 131 that the top of housing 11 is provided with quantity, and the upside air outlet 1110 communicating with upside cavity 111, in the present embodiment diagram, corresponding with main cross flow fan 131 quantity, upside air outlet 1110 also arranges two, certainly, also be provided with upside cavity 111 simultaneously and communicate, upside air inlet 1111 for air intake, the bottom of housing 11 is provided with downside cavity 112 and communicates, downside air outlet 1120 for air intake, in this enforcement, downside air outlet 1120 arranges one, certainly, yet be provided with the downside air inlet 1121 communicating with downside cavity 112 simultaneously, this upside air outlet 1110 and downside air outlet 1120 are at least established one, also can be as required two or more, indoor main heat exchanger and main cross flow fan 131 are arranged in upside cavity 111, indoor auxiliary heat exchanger and auxiliary cross flow fan 132 are arranged in downside cavity 112, and indoor main heat exchanger and indoor auxiliary heat exchanger are connected by refrigerant pipeline, can be connected to form refrigerant circulation circuit by refrigerant pipeline and off-premises station.
In the present embodiment, main cross flow fan 131 is vertical setting, and auxiliary cross flow fan 132 is horizontally set, and main cross flow fan 131 is at the upside of auxiliary cross flow fan 132.Certainly, in other embodiments, indoor auxiliary heat exchanger 122 also can horizontally set or oblique setting.And for indoor auxiliary heat exchanger 122, can be finned heat exchanger, also can select parallel-flow heat exchanger.
The beneficial effect of the indoor apparatus of air conditioner 1 that the utility model provides is: the utility model indoor apparatus of air conditioner 1 is at least provided with two indoor heat exchangers, and one of them is indoor main heat exchanger 121, at air-conditioner fuselage upside, another is indoor auxiliary heat exchanger 122, at air-conditioner fuselage downside, the structural configuration of air-conditioner is also more reasonable, by rationally utilizing air circulation system to promote the comfortableness that heats of room air conditioner, during air-conditioner operation heating mode, its upside air outlet 1110 and downside air outlet 1120 all can go out hot blast, can effectively improve heating effect, reduce the temperature difference of the upper and lower air in room, avoid existing air-conditioner only at the upside of indoor set 1, to set out air port and caused while heating the hot-air top in air-conditioned room and cause a cold situation of warm pin all the time, effectively solve the comfortableness problem of room air conditioner while heating.
Embodiment bis-
Refer to Fig. 1 to Fig. 4, Fig. 9 and Figure 10, the present embodiment is with the difference of implementing one: above-mentioned indoor apparatus of air conditioner 1 also comprises the by-passing valve pipe assembly for indoor auxiliary heat exchanger 122 is fallen from the refrigerant circulation circuit bypass of air-conditioning system.Specifically, in the present embodiment, valve pipe assembly comprises that the first refrigerant divides pipeline 101, the second refrigerant divides pipeline 102 and is located at the first refrigerant and divides the first electrically-controlled valve 31 on pipeline 101 and be located at the second refrigerant and divide the second electrically-controlled valve 32 on pipeline 102, wherein, automatic control for convenience of controller, the first electrically-controlled valve 31 and the second electrically-controlled valve 32 be take magnetic valve as good, it can certainly be other electrically-controlled valve with refrigerant break-make, as electric expansion valve etc., the first refrigerant divides the interior main heat exchanger 121 of one end junction chamber of pipeline 101 and the refrigerant pipeline between indoor auxiliary heat exchanger 122, the second refrigerant divides one end junction chamber of pipeline 102 interior auxiliary heat exchanger 122, the first refrigerant divides the other end of pipeline 101 to divide the other end of pipeline 102 to converge for being jointly connected with the gas side interface of off-premises station with the second refrigerant.
In the present embodiment, in order to coordinate refrigeration and refrigerating capacity while heating, guarantee the comfortableness of air-conditioned room, the area of indoor auxiliary heat exchanger 122 be preferably less than or equal to indoor main heat exchanger 121 area 1/3rd; The length of main cross flow fan 131 is preferably at least the twice of the length of auxiliary cross flow fan 132.
The indoor apparatus of air conditioner 1 that the present embodiment provides, can be according to air-conditioner when freezing and heating two different conditions, controlling respectively the opening and closing of indoor main heat exchanger 121 and indoor auxiliary heat exchanger 122, and the opening and closing of main cross flow fan 131 and auxiliary cross flow fan 132.
When refrigeration: the first electrically-controlled valve 31 is opened, the second electrically-controlled valve 32 is closed, like this, only have the first refrigerant to divide pipeline 101 open-minded, the flow direction of refrigerant is shown in the arrow in Fig. 9, now, only indoor main heat exchanger 121 and main cross flow fan 131 operation of working, and indoor auxiliary heat exchanger 122 bypass are fallen, make 132 of indoor auxiliary heat exchanger 122 and auxiliary cross flow fans in stopped status, there is main cross flow fan 131 indoor main heat exchanger 121 front sides, wind can slave with it side air-out mouth 1110 blow out, because cold air can nature sinks after blowing out, so only need main heat exchanger 121 in opening chamber just can reach the refrigeration of expection during its refrigeration, the room comfortableness of air-conditioner requires also can reach,
While heating: the first electrically-controlled valve 31 is closed, the second electrically-controlled valve 32 is opened, like this, just indoor main heat exchanger 121 and indoor auxiliary heat exchanger 122 are together in series, the flow direction of refrigerant is shown in the arrow in Figure 10, now, indoor main heat exchanger 121 and main cross flow fan 131, the operation of simultaneously working of indoor auxiliary heat exchanger 122 and auxiliary cross flow fan 132, because indoor main heat exchanger 121 is at fuselage upside, indoor auxiliary heat exchanger 122 is at fuselage downside, there is main cross flow fan 131 indoor main heat exchanger 121 front sides, and be provided with upside air outlet 1110, indoor auxiliary heat exchanger 122 front sides or downside also have auxiliary cross flow fan 132, also be provided with downside air outlet 1120, while heating like this, wind blows out from upside air outlet 1110 and the downside air outlet 1120 of fuselage simultaneously, will make like this difference in air temperature up and down in room reduce, greatly improved the comfortableness that room air conditioner heats.
Embodiment tri-
Please Figure 11 and Fig. 9 or Figure 10 are contrasted, the present embodiment is with embodiment bis-differences: the first refrigerant divides the other end of pipeline 101 to divide the other end of pipeline 102 to converge for being jointly connected with the liquid side interface of off-premises station with the second refrigerant, rather than be connected with gas side interface, other structure and principle are all identical with embodiment bis-, repeat no more herein.
Embodiment tetra-
Refer to Fig. 1 to Fig. 4, and Figure 12 to Figure 13, in above-mentioned by-passing valve pipe assembly, the first electrically-controlled valve 31 and the second electrically-controlled valve 32 replace by a three-way solenoid valve 4.
Specifically, valve pipe assembly comprises that the first refrigerant divides pipeline 101, the second refrigerant to divide pipeline 102 and a three-way solenoid valve 4, the first refrigerant divides the interior main heat exchanger 121 of one end junction chamber of pipeline 101 and the refrigerant pipeline between indoor auxiliary heat exchanger 122, the other end connects first mouth of pipe 41 of three-way solenoid valve 4, the second refrigerant divides one end junction chamber of pipeline 102 interior auxiliary heat exchanger 122, the other end connects second mouth of pipe 42 of three-way solenoid valve 4, and the 3rd mouth of pipe 43 of three-way solenoid valve 4 is connected for the gas side interface with off-premises station.
Equally, the indoor apparatus of air conditioner 1 that the present embodiment provides, can according to air-conditioner when freezing and heating two different conditions, control respectively the opening and closing of indoor main heat exchanger 121 and indoor auxiliary heat exchanger 122, and the opening and closing of main cross flow fan 131 and auxiliary cross flow fan 132.
When refrigeration: first mouth of pipe 41 of three-way solenoid valve 4 is communicated with the 3rd mouth of pipe 43, like this, only have the first refrigerant to divide pipeline 101 open-minded, the flow direction of refrigerant is shown in the arrow in Figure 12, now, only indoor main heat exchanger 121 and main cross flow fan 131 operation of working, and indoor auxiliary heat exchanger 122 bypass are fallen, make 132 of indoor auxiliary heat exchanger 122 and auxiliary cross flow fans in stopped status, there is main cross flow fan 131 indoor main heat exchanger 121 front sides, wind can slave with it side air-out mouth 1110 blow out, because cold air can nature sinks after blowing out, so only need main heat exchanger 121 in opening chamber just can reach the refrigeration of expection during its refrigeration, the room comfortableness of air-conditioner requires also can reach,
While heating: second mouth of pipe 42 of three-way solenoid valve 4 is communicated with the 3rd mouth of pipe 43, like this, just indoor main heat exchanger 121 and indoor auxiliary heat exchanger 122 are together in series, the flow direction of refrigerant is shown in the arrow in Figure 13, now, indoor main heat exchanger 121 and main cross flow fan 131, the operation of simultaneously working of indoor auxiliary heat exchanger 122 and auxiliary cross flow fan 132, because indoor main heat exchanger 121 is at fuselage upside, indoor auxiliary heat exchanger 122 is at fuselage downside, there is main cross flow fan 131 indoor main heat exchanger 121 front sides, and be provided with upside air outlet 1110, indoor auxiliary heat exchanger 122 front sides or downside also have auxiliary cross flow fan 132, also be provided with downside air outlet 1120, while heating like this, wind blows out from upside air outlet 1110 and the downside air outlet 1120 of fuselage simultaneously, will make like this difference in air temperature up and down in room reduce, greatly improved the comfortableness that room air conditioner heats.
Embodiment five
Please Figure 14 and Figure 12 or Figure 13 are contrasted and can be learnt, the difference of the present embodiment and embodiment tetra-is, the 3rd mouth of pipe 43 of three-way solenoid valve 4 is connected for the liquid side interface with off-premises station, rather than be connected with gas side interface, other structure and principle are all identical with embodiment tetra-, repeat no more herein
Embodiment six to embodiment ten
See also Fig. 5 to Fig. 7 simultaneously, contrast known: the difference of these embodiment and above-described embodiment one to five is: the quantity of main cross flow fan 131 and upside air outlet 1110 is all made as one, and cross flow fan is comprised of a tubular wine wheel.All the other structures are all corresponding identical with each above-mentioned embodiment, repeat no more herein.
Next, by reference to the accompanying drawings, real air-conditioner and the control method thereof providing of the utility model described.
Refer to Fig. 9 to Figure 14, the utility model further provides a kind of air-conditioner, it comprises off-premises station and controller, also comprise above-mentioned indoor apparatus of air conditioner 1, indoor set 1 is connected to form refrigerant circulation circuit with off-premises station by gaseous refrigerant pipe and liquid refrigerants pipe, and the operation of air-conditioner is controlled by controller.Specifically, off-premises station comprises compressor 21, cross valve 22, indoor heat exchanger 23, the throttle part 24 connecting by refrigerant pipeline.
Through combination, the utility model air-conditioner at least also has above-mentioned ten kinds of embodiments, the wherein embodiment bis-to five of corresponding indoor apparatus of air conditioner 1 and embodiment six to ten, the control method of the air-conditioner that these embodiment provide is as follows, the scheme that the utility model indoor apparatus of air conditioner 1 embodiment bis-or embodiment tri-provide of take is example, refer to Fig. 1 to Fig. 4, Fig. 9, Figure 10 and Figure 15, this kind of control method comprises following control flow:
Start, the compressor 21 in off-premises station starts;
The operational mode of controller judgement air-conditioning, and according to following logic operation:
See Fig. 9, if refrigeration mode: open the first electrically-controlled valve 31 and close the second electrically-controlled valve 32; Open main cross flow fan 131, close auxiliary cross flow fan 132; By controlling electrically-controlled valve or three-way solenoid valve 4, indoor auxiliary heat exchanger 122 bypass are fallen, only have indoor main heat exchanger 121 to work in refrigerant circulation circuit, there is main cross flow fan 131 front side of indoor main heat exchanger 121, wind can slave with it side air-out mouth 1110 blow out, because cold air can nature sinks after blowing out, so only need main heat exchanger 121 in opening chamber just can reach the refrigeration of expection during its refrigeration, the room comfortableness of air-conditioner requires also can reach.
See Figure 10, if heating mode: open the second electrically-controlled valve 32 and close the first electrically-controlled valve 31; Open main cross flow fan 131 and auxiliary cross flow fan 132.By controlling electrically-controlled valve or three-way solenoid valve 4, indoor main heat exchanger 121 and indoor auxiliary heat exchanger 122 are together in series, now indoor main heat exchanger 121 and indoor auxiliary heat exchanger 122 play a role simultaneously, while heating like this, wind blows out from upside air outlet 1110 and the downside air outlet 1120 of fuselage simultaneously, will make like this difference in air temperature up and down in room reduce, avoid hot-air only to rest on the upper space in room and cause a cold situation of warm pin, greatly improved the comfortableness that room air conditioner heats.
As the scheme that adopts the utility model indoor apparatus of air conditioner 1 embodiment tetra-or embodiment five to provide, adopt three-way solenoid valve 4 to substitute two electrically-controlled valve, now, its control mode is specially:
Referring to Figure 12, if refrigeration mode is communicated with first mouth of pipe 41 and the 3rd mouth of pipe 43 of three-way solenoid valve 4; Effect with open the first electrically-controlled valve 31 and close the second electrically-controlled valve 32 identical;
Referring to Figure 13, if refrigeration mode is communicated with second mouth of pipe 42 and the 3rd mouth of pipe 43 of three-way solenoid valve 4; Effect with open the second electrically-controlled valve 32 and close the first electrically-controlled valve 31 identical.
The utility model provides the control method control principle of air-conditioner simple, convenient and practical, than being easier to, realizes.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications 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 (18)

1. indoor apparatus of air conditioner, comprises housing, indoor main heat exchanger and at least one main cross flow fan, it is characterized in that: also comprise indoor auxiliary heat exchanger and auxiliary cross flow fan;
The upside cavity and the downside cavity that is positioned at its underpart in described housing with the portion of being located thereon, the top of described housing is provided with the quantity upside air outlet identical and that communicate with described upside cavity of quantity and described main cross flow fan, and the bottom of described housing is provided with at least one downside air outlet communicating with described downside cavity;
Described indoor main heat exchanger and described main cross flow fan are positioned at described upside cavity, and described indoor auxiliary heat exchanger and described auxiliary cross flow fan are positioned at described downside cavity, and described indoor main heat exchanger and described indoor auxiliary heat exchanger are connected by refrigerant pipeline.
2. indoor apparatus of air conditioner as claimed in claim 1, is characterized in that: also comprise the by-passing valve pipe assembly for described indoor auxiliary heat exchanger is fallen from the refrigerant circulation circuit bypass of air-conditioning system.
3. indoor apparatus of air conditioner as claimed in claim 2, it is characterized in that: described valve pipe assembly comprises that the first refrigerant divides pipeline, the second refrigerant divides pipeline and is located at described the first refrigerant and divides the first electrically-controlled valve on pipeline and be located at described the second refrigerant and divide the second electrically-controlled valve on pipeline, described the first refrigerant divides one end of pipeline to connect the refrigerant pipeline between described indoor main heat exchanger and described indoor auxiliary heat exchanger, described the second refrigerant divides one end of pipeline to connect described indoor auxiliary heat exchanger, described the first refrigerant divides the other end of pipeline to divide the other end of pipeline to converge for being jointly connected with gas side interface or the liquid side interface of off-premises station with described the second refrigerant.
4. indoor apparatus of air conditioner as claimed in claim 2, it is characterized in that: described valve pipe assembly comprises that the first refrigerant divides pipeline, the second refrigerant divides pipeline and a three-way solenoid valve, described the first refrigerant divides one end of pipeline to connect the refrigerant pipeline between described indoor main heat exchanger and described indoor auxiliary heat exchanger, the other end connects first mouth of pipe of described three-way solenoid valve, described the second refrigerant divides one end of pipeline to connect described indoor auxiliary heat exchanger, the other end connects second mouth of pipe of described three-way solenoid valve, the 3rd mouth of pipe of described three-way solenoid valve is for being connected with gas side interface or the liquid side interface of off-premises station.
5. the indoor apparatus of air conditioner as described in claim 1 to 4 any one, is characterized in that: the area of described indoor auxiliary heat exchanger be less than or equal to described indoor main heat exchanger area 1/3rd.
6. the indoor apparatus of air conditioner as described in claim 1 to 4 any one, is characterized in that: the length of described main cross flow fan is at least the twice of the length of described auxiliary cross flow fan.
7. indoor apparatus of air conditioner as claimed in claim 5, is characterized in that: the length of described main cross flow fan is at least the twice of the length of described auxiliary cross flow fan.
8. the indoor apparatus of air conditioner as described in claim 1 to 4 any one, is characterized in that: described indoor main heat exchanger is erect and arranged, and described indoor auxiliary heat exchanger is erect setting or horizontally set or oblique setting.
9. indoor apparatus of air conditioner as claimed in claim 5, is characterized in that: described indoor main heat exchanger is erect and arranged, and described indoor auxiliary heat exchanger is erect setting or horizontally set or oblique setting.
10. indoor apparatus of air conditioner as claimed in claim 6, is characterized in that: described indoor main heat exchanger is erect and arranged, and described indoor auxiliary heat exchanger is erect setting or horizontally set or oblique setting.
11. indoor apparatus of air conditioner as described in claim 1 to 4 any one, is characterized in that: described indoor auxiliary heat exchanger is finned heat exchanger or parallel-flow heat exchanger.
12. indoor apparatus of air conditioner as claimed in claim 5, is characterized in that: described indoor auxiliary heat exchanger is finned heat exchanger or parallel-flow heat exchanger.
13. indoor apparatus of air conditioner as claimed in claim 6, is characterized in that: described indoor auxiliary heat exchanger is finned heat exchanger or parallel-flow heat exchanger.
14. indoor apparatus of air conditioner as claimed in claim 7, is characterized in that: described indoor auxiliary heat exchanger is finned heat exchanger or parallel-flow heat exchanger.
15. indoor apparatus of air conditioner as claimed in claim 8, is characterized in that: described indoor auxiliary heat exchanger is finned heat exchanger or parallel-flow heat exchanger.
16. indoor apparatus of air conditioner as claimed in claim 9, is characterized in that: described indoor auxiliary heat exchanger is finned heat exchanger or parallel-flow heat exchanger.
17. indoor apparatus of air conditioner as claimed in claim 10, is characterized in that: described indoor auxiliary heat exchanger is finned heat exchanger or parallel-flow heat exchanger.
18. air-conditioners, comprise off-premises station and controller, it is characterized in that: also comprise the indoor apparatus of air conditioner as described in claim 1 to 17 any one, described indoor set and described off-premises station are connected to form refrigerant circulation circuit by gaseous refrigerant pipe and liquid refrigerants pipe, and described controller is controlled air-conditioner operation.
CN201320461495.9U 2013-07-30 2013-07-30 Air-conditioner indoor unit and air-conditioner applying same Expired - Lifetime CN203518007U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103411269A (en) * 2013-07-30 2013-11-27 广东美的制冷设备有限公司 Air conditioner, indoor unit thereof and method for controlling air conditioner

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103411269A (en) * 2013-07-30 2013-11-27 广东美的制冷设备有限公司 Air conditioner, indoor unit thereof and method for controlling air conditioner
CN103411269B (en) * 2013-07-30 2016-06-08 广东美的制冷设备有限公司 Indoor apparatus of air conditioner, the air-conditioner of application and control method thereof

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