CN106545988A - Heat exchanger assembly, indoor set and air-conditioner - Google Patents
Heat exchanger assembly, indoor set and air-conditioner Download PDFInfo
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- CN106545988A CN106545988A CN201610974543.2A CN201610974543A CN106545988A CN 106545988 A CN106545988 A CN 106545988A CN 201610974543 A CN201610974543 A CN 201610974543A CN 106545988 A CN106545988 A CN 106545988A
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- Prior art keywords
- heat exchanger
- air
- section
- indoor set
- conditioner
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
- F24F1/0025—Cross-flow or tangential fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of heat exchanger assembly, heat exchanger assembly is used for the indoor set of air-conditioner, and indoor set is formed with air channel, and heat exchanger assembly is used to be arranged in air channel and including First Heat Exchanger, the second heat exchanger and electric expansion valve.Second heat exchanger is located at the weather of at least part of First Heat Exchanger.One-way throttle valve is connected in series the refrigerant flow of the refrigerant flow of First Heat Exchanger and the second heat exchanger.One-way throttle valve is for flowing through the coolant throttle that one-way throttle valve flow to the second heat exchanger from First Heat Exchanger.The invention also discloses a kind of indoor set and air-conditioner.It is capable of achieving to heat and dehumidify simultaneously with the indoor set and air-conditioner of above-mentioned heat exchanger assembly.
Description
Technical field
The present invention relates to air-conditioner technical field, more specifically, is related to a kind of heat exchanger assembly, indoor set and air-conditioning
Device.
Background technology
Current air-conditioner condenses moisture in air to reach the effect of dehumidifying by the heat exchanger absorption refrigeration of indoor set
Really.However, for sombre and wet weather, user is often desirable to air-conditioner and can heat and can dehumidify, existing air-conditioner
Requirement cannot be met.
The content of the invention
Embodiment of the present invention is intended at least solve one of technical problem present in prior art.For this purpose, the present invention is real
The mode of applying needs to provide a kind of heat exchanger assembly, indoor set and air-conditioner.
The heat exchanger assembly of embodiment of the present invention is used for the indoor set of air-conditioner, and the indoor set is formed with air channel, institute
Heat exchanger assembly is stated for being arranged in the air channel and including First Heat Exchanger, the second heat exchanger and electric expansion valve.It is described
Second heat exchanger is located at the weather of at least part of First Heat Exchanger.The one-way throttle valve is connected in series described first and changes
The refrigerant flow of the refrigerant flow of hot device and second heat exchanger.The one-way throttle valve is for from the First Heat Exchanger
Flow through the coolant throttle that the one-way throttle valve flow to second heat exchanger.
In some embodiments, the refrigerant flow of the First Heat Exchanger is longer than the coolant stream of second heat exchanger
Road.
In some embodiments, the refrigerant flow of the First Heat Exchanger and the refrigerant flow of second heat exchanger
Length ratio is 3-10.
In some embodiments, between the First Heat Exchanger and second heat exchanger at intervals of 20-50 millimeters.
Embodiment of the present invention it is used for indoor machine in air-conditioner, the indoor set includes the heat exchange of any of the above-described embodiment
Device assembly.
In some embodiments, the indoor set includes shell, cross flow fan, multiple First Heat Exchanger sections and at least
Individual second heat exchanger section.The air channel is formed in the inside the shell and includes the air inlet and air-out for being formed at the shell
Mouthful.The plurality of First Heat Exchanger section is surrounded the cross flow fan and is correspondingly arranged with the air inlet.Second heat exchanger
Section is alignd with First Heat Exchanger section described at least one setting.
In some embodiments, the First Heat Exchanger section includes lower heat exchanger section, and the second heat exchanger section includes
Heat exchanger section under the auxiliary of setting of aliging with the lower heat exchanger section.The indoor set includes being arranged under the inside the shell and connects
Water pond.Under the lower heat exchanger section and the auxiliary, heat exchanger section is arranged on the top of the lower accepting water disk.
In some embodiments, the First Heat Exchanger section is included in the centre position of the First Heat Exchanger
Heat exchanger section.The second heat exchanger section include aliging with the middle heat exchanger section setting auxiliary in heat exchanger section.
In some embodiments, the First Heat Exchanger section is included in the centre position of the First Heat Exchanger
Heat exchanger section and the tail heat exchanger section being connected with the middle heat exchanger section.The indoor set also includes being arranged on the inside the shell
Upper accepting water disk, the tail heat exchanger section are located at the top of the upper accepting water disk.
The air-conditioner of embodiment of the present invention includes the indoor set described in any of the above-described embodiment.
In some embodiments, the air-conditioner also includes the second electric expansion valve, outdoor heat exchanger and compressor.The
Two electric expansion valves are connected with the refrigerant flow of second heat exchanger.The refrigerant flow of the outdoor heat exchanger and described second
Electric expansion valve connects.The compressor connects the refrigerant flow of the outdoor heat exchanger and the First Heat Exchanger.
In above-mentioned heat exchanger assembly, indoor set and air-conditioner, when air-conditioner needs to heat and dehumidify simultaneously, by adjusting
The refrigerant flow of air-conditioner, can cause the coolant of High Temperature High Pressure to first pass through First Heat Exchanger, coolant heat release in the First Heat Exchanger,
One-way throttle valve will introduce the second heat exchanger after the coolant throttle flowed out from First Heat Exchanger decompression, and coolant is in the second heat exchanger
Heat absorption.Now, the heat of room air coolant absorption air when through the second heat exchanger, the water vapour in air are condensed into liquid
State is simultaneously separated with air to reach the purpose of dehumidifying, and the air after dehumidifying absorbs the heat that coolant is released when through First Heat Exchanger
Amount, the temperature of air raise to reach the purpose for heating.
The additional aspect and advantage of embodiment of the present invention will be set forth in part in the description, partly by from following
Become obvious in description, or recognized by the practice of embodiment of the present invention.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of embodiment of the present invention is from retouching to embodiment with reference to accompanying drawings below
Will be apparent from stating with it is easy to understand, wherein：
Fig. 1 is the floor map of the indoor set according to embodiment of the present invention；
Fig. 2 is that the system of the air-conditioner according to embodiment of the present invention constitutes schematic diagram；
Fig. 3 is that another system of the air-conditioner according to embodiment of the present invention constitutes schematic diagram；
Fig. 4 is that the another system of the air-conditioner according to embodiment of the present invention constitutes schematic diagram；
Fig. 5 is another floor map of the indoor set according to embodiment of the present invention；
Fig. 6 is the schematic flow sheet of the control method according to embodiment of the present invention；
Fig. 7 is the module diagram of the control device according to embodiment of the present invention；
Fig. 8 is another schematic flow sheet of the control method according to embodiment of the present invention；
Fig. 9 is the another schematic flow sheet of the control method according to embodiment of the present invention；
Figure 10 is another schematic flow sheet of the control method according to embodiment of the present invention；
Figure 11 is the another another schematic flow sheet of the control method according to embodiment of the present invention；
Figure 12 is another another schematic flow sheet of the control method according to embodiment of the present invention.
Main element and symbol description：
Air-conditioner 100, indoor set 10, heat exchanger assembly 12, First Heat Exchanger 122, First Heat Exchanger section 1222, lower heat exchange
Under device section 1224, middle heat exchanger section 1226, tail heat exchanger section 1228, the second heat exchanger 124, the second heat exchanger section 1242, auxiliary
Heat exchanger section 1246, throttling arrangement 126, one-way throttle valve 1262, the first electric expansion valve in heat exchanger section 1244, auxiliary
1264th, air channel 14, air inlet 142, air outlet 144, shell 15, wind guide strip 152, cross flow fan 16, lower accepting water disk 17, upper accepting water
Disk 18, the second electric expansion valve 20, outdoor heat exchanger 30, compressor 40, cross valve 50, control device 60, determining module 62, look into
Look for unit 622, the first control module 64, judging unit 642, the first control unit 644, the second control unit 646, receiver module
66th, the second control module 68, memorizer 80, the first temperature sensor 200, second temperature sensor 300, three-temperature sensor
400。
Specific embodiment
Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the drawings, wherein ad initio
Same or similar element or the element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining Description of Drawings is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In describing the invention, it is to be understood that term " first ", " second " are only used for describing purpose, and can not
It is interpreted as indicating or implying relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " the
One ", the feature of " second " can be expressed or implicitly include one or more feature.In description of the invention
In, " multiple " are meant that two or more, unless otherwise expressly limited specifically.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to be mechanically connected, or electrically connect or can be in communication with each other；Can be joined directly together, it is also possible to by between intermediary
Connect connected, can be connection or the interaction relationship of two elements of two element internals.For the ordinary skill of this area
For personnel, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
Following disclosure provides many different embodiments or example is used for realizing the different structure of the present invention.In order to
Simplify disclosure of the invention, hereinafter to the part of specific examples and be set for description.Certainly, they are only merely illustrative, and
And purpose does not lie in the restriction present invention.Additionally, the present invention can in different examples repeat reference numerals and/or reference letter,
This repetition is for purposes of simplicity and clarity, itself not indicate between discussed various embodiments and/or setting
Relation.Additionally, the invention provides various specific technique and material example, but those of ordinary skill in the art can be with
Recognize the application of other techniques and/or the use of other materials.
Fig. 1 is referred to, the indoor set 10 of embodiment of the present invention is used for air-conditioner 100, and indoor set 10 includes heat exchanger group
Part 12.Indoor set 10 is formed with air channel 14, and heat exchanger assembly 12 is arranged in air channel 14.
Fig. 2 is referred to, in embodiments of the present invention, heat exchanger assembly 12 includes First Heat Exchanger 122, the second heat exchanger
124 and throttling arrangement 126.Second heat exchanger 124 is located at the weather of at least part of First Heat Exchanger 122.Throttling arrangement 126 is gone here and there
The refrigerant flow of the refrigerant flow and the second heat exchanger 124 of connection connection First Heat Exchanger 122.
In above-mentioned heat exchanger assembly 12, when air-conditioner 100 needs to heat and dehumidify simultaneously, by adjusting air-conditioner
100 refrigerant flow, can cause the coolant of High Temperature High Pressure to first pass through First Heat Exchanger 122, and coolant is put in First Heat Exchanger 122
Heat, throttling arrangement 126 will the coolant throttle that flowed out from First Heat Exchanger 122 reduce pressure after introduce the second heat exchanger 124, coolant is the
Heat absorption in two heat exchangers 124.Now, the heat of room air coolant absorption air when through the second heat exchanger 124, in air
Water vapour be condensed into liquid and separate with air to reach the purpose of dehumidifying, the air after dehumidifying is through First Heat Exchanger
Coolant liberated heat is absorbed when 122, the temperature of air raises to reach the purpose for heating.
Thus, the function of dehumidifying while realizing and heating with the air-conditioner 100 of above-mentioned heat exchanger assembly 12.
The air-conditioner 100 of embodiment of the present invention includes indoor set 10.
Thus, the function of dehumidifying while can realizing and heating with the air-conditioner 100 of indoor set 10.
It is pointed out that in embodiments of the present invention, the second heat exchanger 124 is located at least part of First Heat Exchanger
122 weather, that is to say, that the air through the second heat exchanger 124 can also pass through First Heat Exchanger 122, need at the same time
When heating and dehumidifying, air is relatively low through the temperature after the second heat exchanger 124, when this partial air passes through First Heat Exchanger 122
When, the temperature difference between air and First Heat Exchanger 122 is larger, easily carries out heat exchange with First Heat Exchanger 122, therefore, first
The overall heat exchange efficiency of heat exchanger 122 is higher.
In some embodiments, air-conditioner 100 also includes the second electric expansion valve 20, outdoor heat exchanger 30 and compressor
40。
Second electric expansion valve 20 is connected with the refrigerant flow of the second heat exchanger 124.
The refrigerant flow of outdoor heat exchanger 30 is connected with the second electric expansion valve 20.
The refrigerant flow of the connection of compressor 40 outdoor heat exchanger 30 and First Heat Exchanger 122.
Thus, the second electric expansion valve 20, outdoor heat exchanger 30, compressor 40 can constitute closure with heat exchanger assembly 12
Refrigerant flow, coolant in heat exchanger assembly 12 and outdoor heat exchanger 30 is continued for changing with air and exchanges, held with reaching
The continuous purpose for adjusting room air.
In actual use, the second electric expansion valve 20, outdoor heat exchanger 30 and compressor 40 can collectively form off-premises station,
Off-premises station is generally arranged at outdoor and keeps refrigerant flow to be connected with indoor set 10.
In some embodiments, air-conditioner 100 also includes cross valve 50.
Cross valve 50 is the control valve with four connectivity ports, and four connectivity ports are respectively valve import, the first valve and go out
Mouth, the second valve outlet port and the 3rd valve outlet port.In the inside of cross valve 50, valve import switchably connects the second valve outlet port or the 3rd
One in valve outlet port, and the first valve outlet port then connects another in the second valve outlet port or the 3rd valve outlet port.Of the invention real
Apply in mode, valve import connects the port of export of compressor 40, the first valve outlet port connects the entrance point of compressor 40, the second valve outlet port
The refrigerant flow of connection First Heat Exchanger 122, the 3rd valve outlet port connect the refrigerant flow of outdoor heat exchanger 30.
It is appreciated that air-conditioner 100 can have multiple-working mode, and in embodiments of the present invention, the work of air-conditioner 100
Operation mode at least includes heating dehumidification mode, refrigeration mode and dehumidification mode.In the case where dehumidification mode is heated, air-conditioner 100 makes room
Reduce the relative humidity of room air while interior atmosphere temperature rising.Under refrigeration mode or dehumidification mode, air-conditioner 100 makes room
Reduce the relative humidity of room air while interior air cooling-down.
In the case where dehumidification mode is heated, the second valve outlet port of valve inlet communication, the first valve outlet port connect the 3rd valve outlet port.Coolant from
Compressor 40 enters heat exchanger assembly 12 through cross valve 50 after flowing out, then through the second expansion valve, outdoor heat exchanger 30 and four
Port valve 50 flows back to compressor 40.
Under refrigeration mode or dehumidification mode, the 3rd valve outlet port of valve inlet communication, the first valve outlet port connect the second valve outlet port.
Coolant enters outdoor heat exchanger 30 through cross valve 50 from after the outflow of compressor 40, then through the second expansion valve, heat exchanger assembly
12 and cross valve 50 flow back to compressor 40.
Thus, by controlling to switch the connected relation between the connectivity port of cross valve 50, it is possible to achieve air-conditioner 100 is not
With the switching of mode of operation, various demands of user are met.
Fig. 3 is referred to, in embodiments of the invention 1, throttling arrangement 126 is one-way throttle valve 1262.When coolant is from
When one heat exchanger 122 flows through one-way throttle valve 1262 and flow to the second heat exchanger 124, one-way throttle valve 1262 plays throttling to coolant
The effect of decompression.It is when coolant flows through one-way throttle valve 1262 from the second heat exchanger 124 flow to First Heat Exchanger 122, unidirectional to save
Stream valve 1262 does not play expenditure and pressure to coolant.
Thus, can realize heating the effect of dehumidifying with the air-conditioner 100 of heat exchanger assembly 12.
Fig. 4 is referred to, in embodiments of the invention 2, throttling arrangement 126 is the first electric expansion valve 1264.First is electric
Sub- expansion valve 1264 can have different apertures under the driving of automatically controlled signal, and different apertures causes the first electric expansion valve
1264 can play the role of different expenditure and pressures to the coolant for flowing through the first electric expansion valve 1264.Specifically, remove heating
Under wet model, the aperture of the first expansion valve is less, then the refrigerant pressure for flowing through the second heat exchanger 124 is less.
Thus, the aperture by adjusting the first electric expansion valve 1264, can be with the air-conditioner 100 of heat exchanger assembly 12
Realization heats the effect of dehumidifying.
Further, as the effect of the expenditure and pressure of the first electric expansion valve 1264 is not affected by path direction, therefore
Can also run in a heating mode with the above-mentioned air-conditioner 100 of the first electric expansion valve 1264, in a heating mode, air-conditioning
Device 100 makes room air heat up, but will not be to indoor air dehumidification, for relatively dry and sombre indoor environment is more suitable for.
In some embodiments, the refrigerant flow of First Heat Exchanger 122 is longer than the refrigerant flow of the second heat exchanger 124.
So so that in the case where dehumidification mode is heated, air passes through First Heat Exchanger 122 and second in priority to air-conditioner 100
Temperature after heat exchanger 124 is raised.
It is appreciated that in order to reach the purpose that can also be heated while dehumidifying, First Heat Exchanger 122 heats energy to air
Power is needed more than the second heat exchanger 124 to refrigerating capacity during air dewetting, and the refrigerant flow due to First Heat Exchanger 122 with
The refrigerant flow series connection of the second heat exchanger 124, that is to say, that the coolant for flowing through First Heat Exchanger 122 and the second heat exchanger 124 is total
Amount is identical, and the refrigerant flow that therefore, it can setting First Heat Exchanger 122 is longer than the refrigerant flow of the second heat exchanger 124 so that empty
Adjust device 100 in the case where dehumidification mode is heated, the purpose for heating after air through heat exchanger component 12, can be reached.
In embodiments of the present invention, the refrigerant flow of First Heat Exchanger 122 is longer than the refrigerant flow of the second heat exchanger 124
Refer to the heat exchange coil of First Heat Exchanger 122 length be longer than the second heat exchanger 124 heat exchange coil length.
In some embodiments, the length of the refrigerant flow of the refrigerant flow of First Heat Exchanger 122 and the second heat exchanger 124
Degree is than being 3-10.
So, it is ensured that in the case where dehumidification mode is heated, the heating capacity of First Heat Exchanger 122 and the second heat exchanger 124 are removed
Wet ability can reach preferably balance, and First Heat Exchanger 122 had not only had preferable effect on moisture extraction but also had preferable heating effect.
In some embodiments, between First Heat Exchanger 122 and the second heat exchanger 124 at intervals of 20-50 millimeters.
So so that in the case where dehumidification mode is heated, First Heat Exchanger 122 will not be produced to the temperature of the second heat exchanger 124
Too much influence and cause water vapour condense in the second heat exchanger 124, meanwhile, also so that what heat exchanger assembly 12 was occupied
Space is unlikely to too big.
It should be noted that the interval between above-mentioned First Heat Exchanger 122 and the second heat exchanger 124 refers to first changing
The distance between immediate face between hot device 122 and the second heat exchanger 124.In embodiments of the present invention, as shown in figure 1,
Second heat exchanger 124 is in tabular, on First Heat Exchanger 122 with second heat exchanger 124 corresponding one section be also in tabular and with
Second heat exchanger 124 is parallel, therefore the interval between First Heat Exchanger 122 and the second heat exchanger 124 is First Heat Exchanger 122
The distance between with 124 immediate plane of the second heat exchanger.
Referring again to Fig. 1, the indoor set 10 of embodiment of the present invention also includes shell 15 and cross flow fan 16.14 shape of air channel
Into in shell 15, air channel 14 includes air inlet 142 and the air outlet 144 for being formed at shell 15.
First Heat Exchanger 122 includes multiple First Heat Exchanger sections 1222, and multiple First Heat Exchanger sections 1222 surround through-flow wind
Machine 16 and it is correspondingly arranged with air inlet 142.
Second heat exchanger 124 includes at least one the second heat exchanger section for aliging setting with First Heat Exchanger section 1222
1242。
Thus, air enters shell 15, multiple First Heat Exchanger sections from air inlet 142 under the driving of cross flow fan 16
1222 are arranged around cross flow fan 16 so that all air necessarily pass First Heat Exchanger 122, the heat exchange efficiency of indoor set 10 compared with
It is high.
In addition, the second heat exchanger 124 includes at least one the second heat exchanger for aliging setting with First Heat Exchanger section 1222
Section 1242 so that heat exchanger assembly 12 is easily arranged in shell 15.
In actual use, under the driving of cross flow fan 16, air is inhaled in shell 15 from air inlet 142.Air
Heat exchanger assembly 12 is passed through along air channel 14, it is in the second heat exchanger section 1242 and 1222 corresponding position of First Heat Exchanger section, empty
Gas successively passes through the second heat exchanger section 1242 and First Heat Exchanger section 1222 to reach cross flow fan 16, and in remaining position, air is straight
Connect through First Heat Exchanger section 1222 and reach cross flow fan 16.Cross flow fan 16 drives air to discharge shell 15 from air outlet 144.
In some embodiments, shell 15 includes wind guide strip 152, and wind guide strip 152 is arranged at air outlet 144.Wind-guiding
Bar 152 moves to change the air outlet angle of air outlet 144.
In some embodiments, First Heat Exchanger section 1222 includes lower heat exchanger section 1224, the second heat exchanger section 1242
Including heat exchanger section 1244 under the auxiliary of setting of aliging with lower heat exchanger section 1224.Indoor set 10 includes being arranged in shell 15
Under lower accepting water disk 17, lower heat exchanger section 1224 and auxiliary, heat exchanger section 1244 is arranged on the top of lower accepting water disk 17.
Thus, facilitate lower accepting water disk 17 to collect and being formed in lower heat exchanger section 1224 and aiding in cold in lower heat exchanger section 1244
Solidifying water.
In embodiments of the present invention, lower heat exchanger section 1224 and heat exchanger section 1244 under auxiliary are in be vertically arranged, with
Condensed water is facilitated to flow in lower accepting water disk 17, the side of lower accepting water disk 17 is set to generally U-shaped in order to contain condensed water.
Fig. 5 is referred to, in some embodiments, First Heat Exchanger section 1222 is included in First Heat Exchanger 122
Between position middle heat exchanger section 1226.Second heat exchanger section 1242 include aliging with middle heat exchanger section 1226 setting auxiliary in change
Hot device section 1246.
Thus, as First Heat Exchanger 122 is arranged on and 142 corresponding position of air inlet, heat exchanger section 1246 in auxiliary
Align with the centre position of First Heat Exchanger 122, it is ensured that in air and auxiliary
Heat exchanger section 1246 is fully contacted so that air-conditioner 100 has preferable dehumidifying effect in the case where dehumidification mode is heated.
In some embodiments, First Heat Exchanger section 1222 is included in the centre position of First Heat Exchanger 122
Heat exchanger section 1226 and the tail heat exchanger section 1228 being connected with middle heat exchanger section 1226.Indoor set 10 also includes upper accepting water disk 18,
Upper accepting water disk 18 is arranged in shell 15, and tail heat exchanger section 1228 is located at the top of upper accepting water disk 18.
Thus, facilitating upper accepting water disk 18 to collect the condensed water being formed in tail heat exchanger section 1228.
Specifically, tail heat exchanger section 1228 is at an acute angle with middle heat exchanger section 1226 or right angle is arranged and the angle folded by the two with
Cross flow fan 16 is relative, so that First Heat Exchanger 122 can preferably surround cross flow fan 16, the totality for improving indoor set 10 is changed
The thermal efficiency.
In embodiments of the present invention, the side of upper accepting water disk 18 is set to generally U-shaped in order to contain condensed water.
Fig. 6 is referred to, the control method of embodiment of the present invention is used for control using the heat exchanger group in above-described embodiment 2
The air-conditioner 100 of part 12.Control method includes step：
S10：Existing dew point temperature is determined according to current indoor temperature and target relative humidity；With
S20：According to the aperture of the first electric expansion valve of existing dew point temperature control 1264.
Fig. 7 is referred to, the control device 60 of embodiment of the present invention includes validating that 62 module of module and the first control module
64.The control method of embodiment of the present invention can be realized by the control device 60 of embodiment of the present invention.
The air-conditioner 100 of embodiment of the present invention includes control device 60.
Specifically, the step of the control method of embodiment of the present invention, S10 can be realized by module 62 is confirmed, step S20
Can be realized by the first control module 64.That is, it is relatively warm according to current indoor temperature and target to confirm that module 62 can be used for
Degree confirms existing dew point temperature.First control module 64 can be used for according to the first electric expansion valve of existing dew point temperature control 1264
Aperture.
Thus, the aperture of control method and control device 60 by the first electric expansion valve 1264 of control so that air-conditioner
100 can work in the case where dehumidification mode is heated.
Fig. 8 is referred to, further, control method also included step S00 before step S10：Receiving user's input with
Into heating dehumidification mode.
Control device 60 also includes receiver module 66, and step S30 can be realized by receiver module 66.That is, receiving
Module 66 can be used for receiving user's input and heat dehumidification mode to enter.
In embodiments of the present invention, user input can be the instruction of user's input immediately, and specifically, user input can
Being touch or pressing on 100 panel of air-conditioner of selection operation of the user on the remote control of air-conditioner 100 or user
Operation.
In addition, user input can also be the operational order that user pre-sets, such as when indoor temperature is taken the photograph less than 10
Family name's degree and relative humidity are considered as automatically user input and enter the instruction for heating dehumidification mode when being higher than 90%, and air-conditioner 100
Into heat dehumidification mode enabled instruction can user pre-set.
Certainly, in other embodiments, by other forms, user input can realize that this is not restricted.
Specifically, current indoor temperature can be detected by the first temperature sensor 200, and the first temperature sensor 200 can be with
On the outer surface of the housing for being disposed in the interior machine 10.
In embodiments of the present invention, target relative humidity refers to that room air Jing air-conditioners 100 are heating dehumidification mode tune
Relative humidity after section.The target relative humidity can be independently to be arranged by user, it is preferable that target relative humidity can be
30% to 80%, so that the humidity of air is moderate, it is ensured that the comfortableness of human body.
Fig. 9 is referred to, in some embodiments, step S10 includes step：
S101：Set up the inquiry table of indoor temperature, relative humidity and dew point temperature；With
S102：Existing dew point temperature is searched according to current indoor temperature and target relative humidity in inquiry table.
Referring again to Fig. 7, in some embodiments, air-conditioner 100 includes memorizer 80, and memorizer 80 can be used for depositing
The inquiry table of indoor temperature, relative humidity and the dew point temperature set up in storage step S101.Confirm that module 62 includes searching unit
622, searching unit 622 can be used to realize step S102.That is, searching unit 622 can be according to current indoor temperature and mesh
Mark relative humidity searches existing dew point temperature in inquiry table.
It is appreciated that some target relative humidity will be reached under different indoor temperatures, can there are different dew points
Temperature, and inquiry table provides the one-to-one relation of three.Inquiry table can be after the indoor detection of experiment draws each data
It is setting up or being calculated by fitting formula and set up.Table 1 gives the inquiry of indoor temperature, relative humidity and dew point temperature
The partial content of table.
Table 1
Specifically, searching unit 622 receives what the detection of the first temperature sensor 200 was obtained in implementation steps S102, first
Current indoor temperature and read user setting target relative humidity, then in inquiry table search obtain corresponding current dew
Point temperature.
Figure 10 is referred to, in some embodiments, step S20 includes step：
S201：Judge existing dew point temperature whether more than 0 degree Celsius；
S202：The aperture of the first electric expansion valve 1264 is controlled so that second when existing dew point temperature is more than 0 degree Celsius
The temperature of heat exchanger 124 reaches existing dew point temperature；With
S203：The aperture of the first electric expansion valve 1264 is controlled when existing dew point temperature is not more than 0 degree Celsius so that the
The temperature of two heat exchangers 124 reaches preset temperature.
Referring again to Fig. 7, in some embodiments, the first control module 64 includes that the control of judging unit 642, first is single
Unit 644 and the second control unit 646.Step S201 can be implemented by judging unit 642, and step S202 can be by the first control unit
644 implement, and step S203 can be implemented by the second control unit 646.That is, judging unit 642 can be used to judge current dew
Whether point temperature is more than 0 degree Celsius.First control unit 644 can be used to the is controlled when existing dew point temperature is more than 0 degree Celsius
The aperture of one electric expansion valve 1264 is so that the temperature of the second heat exchanger 124 reaches existing dew point temperature.Second control unit 646
Can be used to control the aperture of the first electric expansion valve 1264 so that the second heat exchanger when existing dew point temperature is not more than 0 degree Celsius
124 temperature reaches preset temperature.
It should be noted that the temperature of above-mentioned second heat exchanger 124 refers to the heat exchange coil in the second heat exchanger 124
Temperature.In embodiments of the present invention, for the ease of monitoring the temperature of the second heat exchanger 124, can be in the second heat exchanger 124
Setting second temperature sensor 300 on coil pipe is changed, second temperature sensor 300 is used for the heat exchange disk for detecting the second heat exchanger 124
The temperature of pipe.
It is appreciated that the effect in order to reach dehumidifying, the temperature of the second heat exchanger 124 is needed less than current indoor temperature,
Water vapour in air is condensed into aqueous water when through the second heat exchanger 124 to the cold afterwards.
Specifically, the aperture by controlling the first electric expansion valve 1264 can be adjusted and flow through the cold of the second heat exchanger 124
The pressure of matchmaker, the heat exchange efficiency of the coolant of different pressures in the second heat exchanger 124 are different, and then can control the second heat exchanger
124 temperature, such as, when needing to reduce the temperature of the second heat exchanger 124, can control opening for the first electric expansion valve 1264
Degree reduces.
In practical operation, can pass through to observe the temperature that obtain of detection of second temperature sensor 300, and continuously adjust the
The aperture of one electric expansion valve 1264 is so that the temperature of the second heat exchanger 124 reaches desired value.
In step S202, when existing dew point temperature is more than 0 degree Celsius, by controlling opening for the first electric expansion valve 1264
So that the temperature of the second heat exchanger 124 reaches dew point temperature, the air now after the dehumidifying of the second heat exchanger 124 is relatively wet for degree
Degree can reach target relative humidity.
In step S203, when existing dew point temperature is not more than 0 degree Celsius, by controlling the first electric expansion valve 1264
Aperture is so that the temperature of the second heat exchanger 124 reaches preset temperature.Wherein preset temperature can be that air-conditioner 100 is set when dispatching from the factory
Put.
As at ambient pressure, the freezing point of aqueous water is 0 degree Celsius, when existing dew point temperature is not more than 0 degree Celsius, such as
Fruit adjusts the aperture of the first electric expansion valve 1264 makes the temperature of the second heat exchanger 124 reach existing dew point temperature, then be condensate in
Aqueous water on second heat exchanger 124 may freeze and hinder the coolant of the second heat exchanger 124 and air to carry out heat exchange, lead
Cause the effect of dehumidifying bad.
In some embodiments, preset temperature is -1 to 3 degree Celsius.
Preferably, preset temperature is 1 degree Celsius.Thus, preventing condensed water from solidifying frosting in the second heat exchanger 124.
Figure 11 is referred to, in some embodiments, control method also includes step：
S30：According to current outdoor temperature, current indoor temperature, the frequency of compressor 40 and the first electric expansion valve 1264
Aperture control the second electric expansion valve 20 aperture.
Referring again to Fig. 2, in some embodiments, control device 60 also includes the second control module 68.Step S30 can
Implemented by the second control module 68.That is, the second control module 68 can be used for according to current outdoor temperature, current indoor temperature
The aperture of degree, the frequency of compressor 40 and the first electric expansion valve 1264 controls the aperture of the second electric expansion valve 20.
Specifically, three-temperature sensor 400 can be set on air-conditioner outdoor unit, and three-temperature sensor 400 is used for
Detection obtains current outdoor temperature.Current indoor temperature can be obtained by the detection of the first temperature sensor 200, the frequency of compressor 40
Conversion after the rotating speed of detectable compressor 40 is obtained, and the aperture of the first electric expansion valve 1264 can obtain the second control unit 646
For controlling the data of the aperture of the first electric expansion valve 1264 to obtain the aperture of the first electric expansion valve 1264, it is also possible to straight
The position of valve element of the first electric expansion valve 1264 of detection is connect to obtain the aperture of the first electric expansion valve 1264.
In actual use, current outdoor temperature, current indoor temperature, the frequency of compressor 40, the first electric expansion valve
The corresponding relation of the aperture of 1264 aperture and the second electric expansion valve 20 is in advance after laboratory is debugged, in air-conditioner
100 are arranged when dispatching from the factory, and the second control module 68 is controlled after the aperture of second electric expansion valve 20 is obtained according to corresponding relation matching
Make the second electric expansion valve 20.
It is appreciated that the air-conditioner 100 with the heat exchanger assembly 12 of the embodiment of the present invention 2 also has remaining Working mould
Formula, such as dehumidification mode, heating mode and refrigeration mode.Refer to Figure 12 in some embodiments, control method also includes
Step：
S01：Receiving user's input is with dehumidification mode or heating mode or refrigeration mode；
S02：The aperture for controlling the first electric expansion valve 1264 is standard-sized sheet；With
S03：According to current outdoor temperature, current indoor temperature, the frequency of compressor 40 and the first electric expansion valve 1264
Aperture control the second electric expansion valve 20 aperture.
In some embodiments, step S01 can be realized by receiver module 66 that step S02 can be by the first control module 64
Realize, step S03 can be realized by the second control module 68.That is, receiver module 66 can be additionally used in receiving user's input with
Into one in dehumidification mode or heating mode or refrigeration mode.It is swollen that first control module 64 can be additionally used in the first electronics of control
The aperture of swollen valve 1264 is standard-sized sheet.Second control module 68 is can be additionally used according to current outdoor temperature, current indoor temperature, compression
The aperture of the frequency of machine 40 and the first electric expansion valve 1264 controls the aperture of the second electric expansion valve 20.
Thus, air-conditioner 100 can work under various different mode of operations, to meet the different demands of user.Tool
The mode that the mode of the enforcement control method of body is worked in the case where dehumidification mode is heated to control air-conditioner 100 is similar, and here is no longer
Repeat.
In the description of this specification, reference term " embodiment ", " some embodiments ", " schematically enforcement
Mode ", " example ", " specific example ", or the description of " some examples " etc. mean what is described with reference to the embodiment or example
Specific features, structure, material or feature are contained at least one embodiment or example of the present invention.In this specification
In, identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.And, the concrete spy of description
Levy, structure, material or feature can be combined in one or more any embodiment or example in an appropriate manner.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two, such as two, three
It is individual etc., unless otherwise expressly limited specifically.
Although embodiments of the present invention have been shown and described above, it is to be understood that above-mentioned embodiment is
Exemplary, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be right
Above-mentioned embodiment is changed, changes, replacing and modification.
Claims (11)
1. a kind of heat exchanger assembly, for the indoor set of air-conditioner, the indoor set is formed with air channel, and the heat exchanger assembly is used
In be arranged in the air channel and including：
First Heat Exchanger；
Positioned at the second heat exchanger of the weather of at least part of First Heat Exchanger；With
It is connected in series the one-way throttle valve of the refrigerant flow of the refrigerant flow and second heat exchanger of the First Heat Exchanger, institute
One-way throttle valve is stated for the coolant that the one-way throttle valve flow to second heat exchanger being flowed through from the First Heat Exchanger
Throttling.
2. heat exchanger assembly as claimed in claim 1, it is characterised in that the refrigerant flow of the First Heat Exchanger is longer than described
The refrigerant flow of the second heat exchanger.
3. heat exchanger assembly as claimed in claim 1, it is characterised in that the refrigerant flow of the First Heat Exchanger and described
The length ratio of the refrigerant flow of two heat exchangers is 3-10.
4. heat exchanger assembly as claimed in claim 1, it is characterised in that the First Heat Exchanger and second heat exchanger it
Between at intervals of 20-50 millimeters.
5. a kind of indoor set, for air-conditioner, it is characterised in that the indoor set is included such as claim 1-4 any one institute
The heat exchanger assembly stated.
6. indoor set as claimed in claim 5, it is characterised in that the indoor set includes：
Shell, the air channel are formed in the inside the shell and include the air inlet and air outlet for being formed at the shell；With
Cross flow fan；
The First Heat Exchanger includes around the cross flow fan and with the air inlet the multiple First Heat Exchangers being correspondingly arranged
Section；
Second heat exchanger is included being alignd with First Heat Exchanger section described at least one second heat exchanger section of setting.
7. indoor set as claimed in claim 6, it is characterised in that the First Heat Exchanger section includes lower heat exchanger section, described
Second heat exchanger section include aliging with the lower heat exchanger section setting auxiliary under heat exchanger section,
The indoor set includes the lower accepting water disk for being arranged on the inside the shell；
Under the lower heat exchanger section and the auxiliary, heat exchanger section is arranged on the top of the lower accepting water disk.
8. indoor set as claimed in claim 6, it is characterised in that the First Heat Exchanger section is included positioned at the described first heat exchange
The middle heat exchanger section in the centre position of device；The second heat exchanger section include aliging with the middle heat exchanger section setting auxiliary in
Heat exchanger section.
9. indoor set as claimed in claim 6, it is characterised in that the First Heat Exchanger section is included positioned at the described first heat exchange
The middle heat exchanger section in the centre position of device and the tail heat exchanger section being connected with the middle heat exchanger section；
The indoor set also includes the upper accepting water disk for being arranged on the inside the shell, and the tail heat exchanger section is located at the upper accepting water disk
Top.
10. a kind of air-conditioner, it is characterised in that including indoor set as claimed in claim 5.
11. air-conditioners as claimed in claim 10, it is characterised in that the air-conditioner also includes：
The second electric expansion valve being connected with the refrigerant flow of second heat exchanger；
Outdoor heat exchanger, the refrigerant flow of the outdoor heat exchanger are connected with second electric expansion valve；With
Compressor, the compressor connect the refrigerant flow of the outdoor heat exchanger and the First Heat Exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610974543.2A CN106545988A (en) | 2016-10-28 | 2016-10-28 | Heat exchanger assembly, indoor set and air-conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610974543.2A CN106545988A (en) | 2016-10-28 | 2016-10-28 | Heat exchanger assembly, indoor set and air-conditioner |
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| CN106545988A true CN106545988A (en) | 2017-03-29 |
Family
ID=58394117
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| CN201610974543.2A Pending CN106545988A (en) | 2016-10-28 | 2016-10-28 | Heat exchanger assembly, indoor set and air-conditioner |
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| CN107166522A (en) * | 2017-05-27 | 2017-09-15 | 青岛海尔空调器有限总公司 | Wall-hanging air conditioner indoor unit |
| CN107631464A (en) * | 2017-09-13 | 2018-01-26 | 珠海格力电器股份有限公司 | Heat exchanger assembly, design method thereof and air conditioner |
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