CN209101501U - The indoor unit of air conditioner - Google Patents
The indoor unit of air conditioner Download PDFInfo
- Publication number
- CN209101501U CN209101501U CN201690001616.3U CN201690001616U CN209101501U CN 209101501 U CN209101501 U CN 209101501U CN 201690001616 U CN201690001616 U CN 201690001616U CN 209101501 U CN209101501 U CN 209101501U
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- wind direction
- indoor unit
- refrigerant
- air
- adjustment section
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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
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/36—Responding to malfunctions or emergencies to leakage of heat-exchange fluid
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- 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
- F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- 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
- F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
- F24F1/0073—Indoor units, e.g. fan coil units with means for purifying supplied air characterised by the mounting or arrangement of filters
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air Conditioning Control Device (AREA)
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
Abstract
The indoor unit of air conditioner involved in the utility model uses combustible refrigerant in the refrigerant circuit for constituting refrigeration cycle, the indoor unit of air conditioner includes shell, has and is formed in the suction inlet of front surface lower part, the wind path for being formed in an outlet on front surface top and being connected to suction inlet with outlet；Heat exchanger is arranged in wind path；Air Blast fan is arranged in wind path, makes the flowing that air is generated in wind path；Wind direction adjustment section, is set to outlet, and the air stream being discharged from outlet is synchronized and is divided into both direction up and down；Tubing connection portion, is located at the inside of shell, and the piping of heat exchanger supply combustible refrigerant is connected to each other in tubing connection portion；Refrigerant leak detection mechanism is arranged in shell, detects to the leakage of the combustible refrigerant from tubing connection portion；And control device changes the direction of wind direction adjustment section when detecting the leakage of combustible refrigerant from tubing connection portion based on the information from refrigerant leak detection mechanism.
Description
Technical field
The utility model relates to have the indoor unit of the air conditioner of refrigerant leakage counter-measure functions, wherein above-mentioned refrigerant
Leakage counter-measure functions are controlled to spread the refrigerant of leakage by the air-flow to discharge air.
Background technique
In recent years, it as the refrigerant for replacing R410A, proposes flammable using the less R32 of greenhouse effects of the earth coefficient etc.
The air conditioner of property refrigerant.For combustible refrigerant, specific gravity is heavier than air.In such feature, if refrigerant
Inside indoor unit and the leakage of tubing connection portion position that indoor heat exchanger is connect with outdoor unit, then there is leakage of refrigerant
A possibility that kindling.For example, leaking to the sky for being provided with indoor unit in the case where the air conditioner of the indoor unit with console mode
Between ground periphery refrigerant become be easy to stockpile, be difficult to the form spread.
In order to solve the problems, following technology is proposed as described in Patent Document 1, it may be assumed that refrigerant is detected and is sensed
Device is equipped on inside indoor unit, in the case where refrigerant detection sensor detects leakage, operates indoor fan, to make
The refrigerant of leakage is spread.
Patent document 1: Japanese Unexamined Patent Publication 2015-94566 bulletin
In the technology described in patent document 1, using in the concentration towards ground blowing to prevent the refrigerant of leakage
The method risen.At this time, it may be necessary to consider refrigerant leakage occur indoors machine inside or indoor unit near.Indoors in machine
The refrigerant of portion's leakage is operated by indoor fan and is mixed with air inside unit, and by being discharged outside wind direction indoor unit
It releases.Capture in addition, being inhaled into wind towards the refrigerant flowed out outside indoor unit to indoor unit, and similarly by
Indoor fan is operated inside unit and is mixed with air, thus by releasing outside discharge wind direction indoor unit.
That is, the gas including the refrigerant comprising leakage is blown in the case where wind direction is fixed as one direction in ground
It strokes to a place on ground, so that existing can not expect to expand in narrow space in the technology described in patent document 1
The problem of dissipating effect.
As the countermeasure of the problem, the case where making wind vector is recorded after some period of time in patent document 1.
By make the refrigerant captured not to the ground and to ceiling be discharged, can make refrigerant force diffusion.
However, if the refrigerant that leaks arrives the position for reaching separate suction inlet with the progress of refrigerant leakage, thus
Refrigerant has been stockpiled in the place far from suction inlet, then it is assumed that can not be captured using sucking wind to indoor unit, be caused
Lose effect.
Also, in the case where swinging wind direction, it is believed that the case where being brushed to the ground and brush to ceiling
The advantage of two sides of situation.
However, needing the situation leaked with refrigerant accordingly to make wind direction constantly in the case where single discharge wind
Appropriate variation, therefore, it is considered that being difficult to carry out being capable of swings setting corresponding with the situation of multiplicity.
Utility model content
The utility model is proposed to solve project as described above, and its purpose is to provide one kind to have refrigeration
Agent leaks the indoor unit of the air conditioner of counter-measure functions, and refrigerant leakage counter-measure functions pass through the refrigeration for making to capture from suction inlet
Agent is discharged to the top in space, and synchronously makes that the range that wind is not reached to sucking wind is discharged, and is directed to so as to realize
The advantage of two sides the case where being blown afloat the case where brushing to the ground and to ceiling of refrigerant diffusion.
The indoor unit of air conditioner involved in the utility model is in the refrigerant circuit for constituting refrigeration cycle using flammable
Property refrigerant, the indoor unit of the air conditioner includes shell, has before being formed in the suction inlet of front surface lower part, being formed in
One outlet on surface top and the wind path for being connected to above-mentioned suction inlet with above-mentioned outlet, heat exchanger, setting exist
In above-mentioned wind path；Air Blast fan is arranged in above-mentioned wind path, so that generating the flowing of air in above-mentioned wind path；Wind direction tune
It is whole, it is set to above-mentioned outlet, the air stream being discharged from above-mentioned outlet is synchronously divided into both direction up and down；Match
Pipe jointing part, is located at the inside of above-mentioned shell, and the piping that Xiang Shangshu heat exchanger supplies above-mentioned combustible refrigerant is being piped
Interconnecting piece is connected to each other；Refrigerant leak detection mechanism is arranged in above-mentioned shell, to from the upper of above-mentioned tubing connection portion
The leakage for stating combustible refrigerant is detected；And control device, based on from above-mentioned refrigerant leak detection mechanism
Information when detecting the leakage of above-mentioned combustible refrigerant from above-mentioned tubing connection portion, change the court of above-mentioned wind direction adjustment section
To.
Also, it is preferred that the control device be configured to based on the information from the refrigerant sensor from the piping
When interconnecting piece detects the leakage of the combustible refrigerant, the wind direction adjustment section is controlled, to make air flow point
It is segmented into both direction up and down, and the wind direction edge of bottom blowing air current is made to swing.
Also, it is preferred that the wind direction adjustment section has the left and right wind direction plate for making wind direction along left and right variation, the control device
It is configured to based on detecting the combustible refrigerant from the tubing connection portion from the information of the refrigerant sensor
Leakage when, control the wind direction adjustment section, thus make air stream be divided into up and down both direction, and make air stream along left and right
It swings.
Also, it is preferred that the wind direction adjustment section has the left and right wind direction plate for making wind direction along left and right variation, the left and right wind direction
Plate is configured to centered on the center of the shell and left and right is controlled as different directions, and the control device is constituted
To detect letting out for the combustible refrigerant from the tubing connection portion based on the information from the refrigerant sensor
When leakage, the wind direction adjustment section is controlled, so that air stream be made to be divided into both direction up and down, and air stream is made to be divided into left and right
Both direction.
Also, it is preferred that the wind direction adjustment section has the left and right wind direction plate for making wind direction along left and right variation, the left and right wind direction
Plate is configured to centered on the center of the shell and left and right is controlled as different directions, and the control device is constituted
To detect letting out for the combustible refrigerant from the tubing connection portion based on the information from the refrigerant sensor
When leakage, the wind direction adjustment section is controlled, so that air stream be made to be divided into upper and lower both direction, and air stream is made to control two
Direction is swung.
Also, it is preferably provided with the open-close structure that the suction inlet can be opened and closed, the open-close structure is with the shell
Divide centered on the center of body and by left and right, the control device be configured to control the open-close structure and by the suction inlet
Unilateral side is closed.
Also, it is preferred that the filter winding device that the shell has filter and is wound to the filter, institute
Control device is stated to be configured to control the filter winding device and remove the filter from the wind path.
Also, it is preferred that the wind direction adjustment section is at least made of 3 up-down wind direction boards, the wind direction adjustment section is constituted are as follows:
Air stream is divided into both direction up and down using the 1st wind direction board for being set to most upstream side in 3 up-down wind direction boards,
Utilize the 2nd wind direction board and the 3rd wind direction than the 1st wind direction board downstream of being set in 3 up-down wind direction boards
Plate makes divided air stream not collaborate and become bottom blowing air current and upper blowing gas stream.
The indoor unit of the air conditioner according to involved in the utility model has the air stream for making to be discharged from outlet synchronously
The wind direction adjustment section of upper and lower both direction is branched into, therefore even if combustible refrigerant is leaked from tubing connection portion, can also be had
Effect ground reduces the concentration of combustible refrigerant.
Detailed description of the invention
Fig. 1 be show schematically the indoor unit of air conditioner involved in the embodiments of the present invention 1 structure one
The side view of a example.
Fig. 2 is the structure for indicating to be observed from the front the indoor unit of air conditioner involved in the embodiments of the present invention 1
Main view.
Fig. 3 is to indicate the state after decomposing the indoor unit of air conditioner involved in the embodiments of the present invention 1
Exploded perspective view.
Fig. 4 is by the structure of the outlet part of the indoor unit of air conditioner involved in the embodiments of the present invention 1
The enlarged drawing for amplifying and showing schematically.
Fig. 5 is the both direction for the indoor unit to air conditioner involved in the embodiments of the present invention 1 or more
Synchronize the explanatory diagram that the configuration of wind direction adjustment section when blowing operating is illustrated.
Fig. 6 be indicate air conditioner involved in the embodiments of the present invention 1 indoor unit to above and below both direction
Synchronize the flow chart of the process of processing when blowing operating transfer.
Fig. 7 is by the structure of the outlet part of the indoor unit of air conditioner involved in the embodiments of the present invention 2
The enlarged drawing for amplifying and showing schematically.
Fig. 8 is to blow operating for the left and right of the indoor unit to air conditioner involved in the embodiments of the present invention 2
When wind direction adjustment section the top view that is illustrated of movement.
Fig. 9 is to blow operating for the left and right of the indoor unit to air conditioner involved in the embodiments of the present invention 3
When wind direction adjustment section the top view that is illustrated of movement.
Figure 10 is to indicate the state after decomposing the indoor unit of air conditioner involved in the embodiments of the present invention 4
Exploded perspective view.
Figure 11 be show schematically the indoor unit of air conditioner involved in the embodiments of the present invention 5 structure one
The side view of a example.
Figure 12 be show schematically the indoor unit of air conditioner involved in the embodiments of the present invention 5 structure one
The side view of a example.
Specific embodiment
Hereinafter, being illustrated based on attached drawing to the embodiments of the present invention.In addition, including comprising Fig. 1, following
Attached drawing in, the relationship of the size of each component parts there is a situation where from it is practical different.In addition, including comprising Fig. 1, below
In attached drawing, the part for being labelled with identical appended drawing reference is identical or comparable part therewith, this is in the full text of specification
It is general.Also, the form for the structural element that specification full text is showed only illustrates eventually, and the utility model does not limit
In these records.
Embodiment 1.
Fig. 1 is to show schematically the indoor unit of air conditioner involved in the embodiments of the present invention 1 (hereinafter referred to as
Indoor unit 100) structure an example side view.Fig. 2 is the main view for indicating to be observed from the front the structure of indoor unit 100
Figure.Fig. 3 is the exploded perspective view for indicating the state for decomposing indoor unit 100.Fig. 4 is by the outlet part of indoor unit 100
Structure is amplified and the enlarged drawing that shows schematically.Fig. 5 is when synchronizing to blow operating up and down for the both direction to indoor unit 100
Wind direction adjustment section 70 the explanatory diagram that is illustrated of configuration.Based on FIG. 1 to FIG. 5, the structure of indoor unit 100 is illustrated.
In addition, in fig. 2 it is shown that state after front surface panel 80 and filter 90 are removed.
Indoor unit 100 is the indoor unit of Floot type air conditioner, has the shell 1 of approximately cuboid shape.1 structure of shell
As the ground for being placed in air-conditioning object space, there is the suction inlet 2 for being formed in front surface lower part, the row for being formed in front surface top
Outlet 3 and the wind path 4 for being connected to suction inlet 2 with outlet 3.Moreover, successively being set in the wind path 4 of shell 1 from upstream side
It is equipped with heat exchanger 11 and Air Blast fan 5.In the lower section of heat exchanger 11, it is provided with what reception was generated by heat exchanger 11
The drip tray 30 of dew.In addition, wind path 4 is by from suction inlet 2 via heat exchanger 11 and Air Blast fan 5 and to the row of reaching
The inboard portion for the shell 1 of outlet 3 surrounded by shell 1, and refer to the part of the flow path as air.
Heat exchanger 11 is made of front-surface side heat exchanger 12 and back side heat exchanger 13.Front-surface side heat exchange
Device 12 and back side heat exchanger 13 are, for example, fin tube heat exchanger, are had across specified interval and on a left side for shell 1
Multiple fins for being set side by side in right direction and these fins and these fins are penetrated through on set direction and for refrigerant stream
Enter internal multiple heat conducting pipes.
In addition, front-surface side heat exchanger 12 is configured to from top to lower section and supports or opposes surface side from the front-surface side of shell 1
Inclination.Back side heat exchanger 13 is configured to roll from the back side forward face of shell 1 oblique from top to lower section.That is, preceding
The lower end of surface side heat exchanger 12 is arranged in a manner of close or contact with the lower end of back side heat exchanger 13.It changes
Yan Zhi, front-surface side heat exchanger 12 and back side heat exchanger 13 are configured as follows in wind path 4, it may be assumed that in side view
When observation, interval between the two tends to downstream side from the upstream side of air stream and broadens, becomes V shape.
In addition, front-surface side heat exchanger 12 and back side heat exchanger 13 can for example make being formed as one of the two
Unit and be installed on the inside of shell 1, can also separately be installed on the inside of shell 1.
Air Blast fan 5 is configured at and hands over than heat exchanger 11 by the position in the downstream side of air stream, i.e. specific heat in wind path 4
The position against the top of parallel operation 11.Air Blast fan 5 rotates, so that room air is inhaled into wind path 4 from suction inlet 2.The Interior Space
Gas becomes Air Conditioning in refrigeration operation, by front-surface side heat exchanger 12 and the cooling of back side heat exchanger 13, and
It is discharged from outlet 3.Indoors in the operating of machine 100, by the movement of Air Blast fan 5, towards suction inlet 2, heat exchanger 11,
Air Blast fan 5, outlet 3 generate the circulation of fluid of room air.
In addition, indoor unit 100 is provided with refrigerant sensor 50, as the refrigerant detected to refrigerant leakage
Leak detection mechanism.Refrigerant sensor 50 is for example set in the inside of shell 1 heat exchanger 11 supplying flammable system
The tubing connection portion 51 that the piping of cryogen is connected to each other.Detection information in refrigerant sensor 50 is transported to control
Device 60 processed.Control device 60 based on from refrigerant sensor 50 convey come information judge whether refrigerant is let out
Leakage.In addition, tubing connection portion 51 is the mutual connection of piping for connecting the outdoor unit of heat exchanger 11 and illustration omitted
Part, positioned at the inside of shell 1.
Front surface panel 80 is the part that the front-surface side of shell 1 is made up of installation.It is formed in front surface panel 80
Front surface lower part opening portion become shell 1 suction inlet 2, be formed in the opening portion on the front surface top of front surface panel 80
Outlet 3 as shell 1.In addition, being not particularly limited the shape of front surface panel 80, size, shape of opening portion etc..
Filter 90 is set to the most upstream side of wind path 4 in a manner of being able to carry out replacement, and will be inhaled into wind path 4
The dust that air is included removes.
In the refrigerant circuit of refrigeration cycle for constituting air conditioner involved in present embodiment 1, as refrigerant
Use the lesser combustible refrigerant of greenhouse effects of the earth coefficient.Combustible refrigerant refers to that in the concentration relative to air be regulation
Range when, ignition source can then burn if it exists refrigerant.As such refrigerant, for example, there are HFO1234yf,
The HFC mix refrigerant or propane (R290) of the unitary systems such as HFF1123zf cryogen or above-mentioned unitary system cryogen and R32 etc.
Such hydrocarbon refrigerant etc..In addition, here, micro- combustion property refrigerant is also contained in combustible refrigerant.
Also, indoor unit 100 has wind direction adjustment section 70.Wind direction adjustment section 70 is set to outlet 3, and by with sky
Air flow contacts are to change the direction of air stream or make its branch.The direction of wind direction adjustment section 70 is able to carry out change, according to
Wind direction adjustment section 70 direction and can make direction of air stream, air stream branch's number change.Make wind direction adjustment section 70
Towards when change, as the means of the position, range that reach air stream, the variation of air quantity also can be used.Wind direction
The driving of adjustment section 70 is executed by control device 60.
Wind direction adjustment section 70 is made of the 1st wind direction board 70a, the 2nd wind direction board 70b, the 3rd wind direction board 70c.1st wind direction board
70a, the 2nd wind direction board 70b and the 3rd wind direction board 70c can separately carry out the change of direction.
1st wind direction board 70a is set to the most upstream side of outlet 3.
2nd wind direction board 70b is set to the upstream in the downstream of the 1st wind direction board 70a, the 3rd wind direction board 70c.
3rd wind direction board 70c is set to the most downstream side of outlet 3.
In addition, the 1st wind direction board 70a, the 2nd wind direction board 70b, the 3rd wind direction board 70c are equivalent to " the upper leeward of the utility model
To plate ".
In addition, indoor unit 100 has the control device being uniformly controlled to air conditioner involved in present embodiment 1
60.Control device 60 based on the detected value from each detector such as refrigerant sensor 50, carry out each actuator (Air Blast fan 5,
The driving parts such as wind direction adjustment section 70) control.The hardware as the circuit device for realizing its function of control device 60
It constitutes, it also being capable of the arithmetic unit as microcomputer or CPU and the software sharing that executes on it.
Next, being based on Fig. 4 and Fig. 5, both direction performed by indoor unit 100 is synchronized up and down and blows operating progress
Explanation.
In addition, on the basis of horizontal plane the 2nd wind will be made in such a way that air stream is discharged in upwardly-directed 20 ° or more of range
The situation mobile to plate 70b is defined as blowing.In addition, on the basis of horizontal plane, by the range discharge with 20 ° of downward or more
The situation that the mode of air stream keeps the 3rd wind direction board 70c mobile is defined as down blowing.Also, by be blown on synchronous realize, under the side blown
The situation that formula keeps the 1st wind direction board 70a mobile is defined as synchronizing up and down and blow.
After refrigerant leakage is learnt in detection, indoors in machine 100, keep the running speed of Air Blast fan 5 special when detecting
Value, and synchronize up and down and blow operating.
Firstly, adjusting the court of the 1st wind direction board 70a in a manner of with the air flow parallel generated by the rotation of Air Blast fan 5
To.By so controlling the 1st wind direction board 70a, so that air stream is divided into both direction up and down.It is carried out in air stream
After lower both direction segmentation, wind path does not collaborate and separates.
Air stream after segmentation, which is blown, touches to the 2nd wind direction board 70b being respectively arranged near outlet 3 and the 3rd wind direction board
70c, thus direction variation of the wind direction towards each wind direction board.
Specifically, by being moved upwardly by the 2nd wind direction board 70b, and move the 3rd wind direction board 70c downward, sky can be made
Air-flow be formed as on blow, under the both direction blown, be achieved in both direction and synchronize up and down and blow operating.
It include the refrigerant captured from suction inlet 2 in the air stream being discharged upwards by the 2nd wind direction board 70b,
It is mixed with air by discharging the refrigerant into atmosphere, thus reduces the concentration of refrigerant.
In addition, the mixed gas of the refrigerant and air transported by the air stream being discharged downwards by the 3rd wind direction board 70c
Thus the refrigerant stockpiled is dispelled, makes refrigerant to the range for sucking wind and not reaching is reached with air doping together side on one side
Concentration reduce, or prevent refrigerant from stockpiling.
As described above, can also be led to according to indoor unit 100 even if combustible refrigerant is leaked from tubing connection portion 51
It crosses execution both direction to synchronize up and down and blow operating, to be effectively reduced the concentration of combustible refrigerant.Specifically, leakage
Refrigerant near to suction inlet 2 is caught into shell 1 by the sucking wind generated by the operating of Air Blast fan 5
Portion, and mix with air and concentration is reduced.Later, two parts are divided into from outlet 3 and are released to the outside of shell 1
It puts.The mixed gas of the refrigerant and air that are transported and above blowing is released into atmosphere and then is further mixed with air
It closes, thus concentration further decreases.In addition, the mixed gas for blowing the refrigerant and air that transport under is mixed with air on one side
The miscellaneous range for reaching sucking wind on one side together and not reaching, so that the refrigerant stockpiled be dispelled, or prevents from being accumulated in certain
Position.
Fig. 6 is the stream for indicating the process for synchronizing processing when blowing operating transfer up and down to both direction of indoor unit 100
Cheng Tu.Based on Fig. 6, the process for synchronizing processing when blowing operating transfer up and down to both direction of indoor unit 100 is said
It is bright.
For indoor unit 100 when refrigerant leaks, execution both direction synchronizes up and down blows operating.
Control device 60 is using refrigerant sensor 50 come the case where leakage whether there is or not detection refrigerant (step S101).
In the case where the leakage of refrigerant is not detected, control device 60 executes the detection (step of refrigerant leakage repeatedly
Rapid S101；It is no).
On the other hand, (the step S101 in the case where detecting the leakage of refrigerant；It is), control device 60 determines interior
Whether machine 100 is just blown (step S102).
(the step S102 in the case where being determined as that indoor unit 100 is not blown；It is no), the driving air-supply wind of control device 60
Fan 5 (step S103).
(the step S102 in the case where being determined as that indoor unit 100 is being blown；It is), or drive Air Blast fan
In the case where 5, control device 60 determines whether just to carry out both direction and synchronizes up and down and blow operating (step S104).
Be judged to not carrying out both direction synchronize blow operating in the case where (step S104；It is no), control device 60 is opened
Beginning both direction, which synchronizes, blows operating (step S105).
Determine be positive carry out both direction synchronize blow operating in the case where (step S104；It is), or started two
A direction synchronizes blow operating in the case where, control device 60 is synchronized with both direction to be blowed the judgement of operating and is at the time of end
Benchmark carries out the air-supply operating (step S106) of certain time.For example, executing the fortune of air-supply in 1 hour as illustrated in fig. 6
Turn.Although in addition, as air-supply operating the duration of runs example and be recorded as 1 hour, but not limited to this, air-supply
The time of operating can change as appropriately designed item.
Control device 60 determines whether have passed through stipulated time (step S107).
(the step S107 without the stipulated time；It is no), control device 60 continue time counting until
Until the stipulated time.
On the other hand, (the step S107 in the case where have passed through the stipulated time；It is), control device 60 is made again
Cryogen leak judgement (step S108).
(the step S108 in the case where the leakage of refrigerant is not detected；It is no), control device 60 terminates air-supply (step
S109), and it is transferred to original state.
On the other hand, (the step S108 in the case where detecting the leakage of refrigerant；It is), control device 60 continues to send
Time counting is resetted (step S110), and is transferred to step S106 by wind.
Operating is blowed in addition, synchronizing up and down for both direction, it, also can be by distant other than when refrigerant leaks
It controls the operation of device etc. and carries out or interrupt.By above structure, letting out with combustible refrigerant can be greatly reduced
It leaks and generates leakage of refrigerant risk on fire.
Alternatively, it is also possible to by refrigerant leak detection adjust Air Blast fan 5 air quantity, thus make air-supply influence
Range.Thereby, it is possible to spread the combustible refrigerant having leaked rapidly.
In present embodiment 1, said in case where indoor unit 100 is the indoor unit of Floot type air conditioner
Bright, but not limited to this, such as can also apply to the indoor unit of wall air conditioner.
As described above, indoor unit 100 is in the refrigerant circuit for constituting cooling cycle system using there is flammable refrigeration
Agent, indoor unit 100 have: shell 1, have and are formed in the suction inlet 2 of front surface lower part, are formed in one of front surface top
Outlet 3 and the wind path 4 for being connected to suction inlet 2 with outlet 3；Heat exchanger 11 is arranged in wind path 4；Air-supply wind
Fan 5 is arranged in wind path 4 and generates in wind path 4 flowing of air；Tubing connection portion 51 is located at the inside of shell 1,
The piping that heat exchanger 11 supplies combustible refrigerant is connect with tubing connection portion 51 each other；And wind direction adjustment section 70,
It is set to outlet 3, the air stream being discharged from outlet 3 is synchronously divided into both direction up and down.
Therefore, according to indoor unit 100, due to wind direction adjustment section 70, even if so combustible refrigerant connects from piping
Socket part 51 leaks, and also can be performed can be realized for brushing the case where brushing to the ground and to ceiling in refrigerant diffusion
Refrigerant leakage counter-measure functions, the i.e. both direction of the advantage of two sides of situation synchronizes up and down blows operating, so as to effective
The concentration of ground reduction combustible refrigerant.
In addition, indoor unit 100 includes refrigerant leak detection mechanism (refrigerant sensor 50), it is arranged in shell 1
It is interior, combustible refrigerant is detected from the case where leakage of tubing connection portion 51；And control device 60, according to making by oneself
The information of cryogen leak detection mechanism changes wind direction tune when detecting the leakage of combustible refrigerant from tubing connection portion 51
Whole 70 direction.
Therefore, according to indoor unit 100, the mixed gas of the refrigerant and air that are transported and above blowing is discharged into atmosphere
It is mixed out and then further with air and concentration is further decreased, in addition, blowing the refrigerant and sky transported under
The mixed gas of gas reaches the range that sucking wind does not reach while with air doping together, thus the refrigeration that will be stockpiled
Agent dispels, or prevents from being accumulated in certain position.
In addition, control device 60 is detecting combustible refrigerant from tubing connection portion 51 for indoor unit 100
When leakage, the air quantity of Air Blast fan 5 is adjusted.
Therefore, according to indoor unit 100, the coverage of the air-supply of Air Blast fan 5 can be made to change, can make leakage can
Combustion property refrigerant is spread rapidly.
In addition, wind direction adjustment section 70 is by least three wind direction board (the 1st wind direction board 70a, the 2nd for indoor unit 100
Wind direction board 70b, the 3rd wind direction board 70c) it constitutes.
Therefore, it according to indoor unit 100, is adjusted by the direction to 3 wind direction boards, to not have especially complex
Structure is just able to carry out both direction and synchronizes up and down and blow operating.
In addition, utilizing the 1st wind direction board 70a for being set to most upstream side in 3 wind direction boards for indoor unit 100
Air stream is divided into both direction up and down, and utilizes being set to than the 1st wind direction board 70a downstream in 3 wind direction boards
The 2nd wind direction board 70b and the 3rd wind direction board 70c collaborate the air stream after segmentation not and blow under being formed as and on blow.
Therefore, according to indoor unit 100, by adjusting the direction of 3 wind direction boards configured from upstream side to downstream side, thus
It realizes that efficient both direction synchronizes up and down and blows operating.
In addition, shell 1 is console mode for indoor unit 100.
Therefore, according to indoor unit 100, effect is especially played when combustible refrigerant leaks to ground.
Embodiment 2.
Fig. 7 is by indoor unit (the hereinafter referred to as indoor unit of air conditioner involved in the embodiments of the present invention 2
101) structure of outlet part is amplified and the enlarged drawing that shows schematically.Fig. 8 is blown for the left and right to indoor unit 101
The top view for sending the movement of the wind direction adjustment section 71 when operating to be illustrated.Based on Fig. 7 and Fig. 8, to the structure of indoor unit 101
And movement is illustrated.
In addition, be illustrated centered on the difference of embodiment 1 in present embodiment 2, for implementation
The identical part of mode 1, marks identical appended drawing reference and omits the description.
In the embodiment 1, to having at least three wind direction board (the 1st wind direction board 70a, the 2nd wind direction board 70b, the 3rd wind direction board
Indoor unit 100 70c) is illustrated, but in present embodiment 2, to having at least three wind direction board (the 1st wind direction board
70a, the 2nd wind direction board 70b, the 3rd wind direction board 70c) and vertically the indoor unit 101 of wind direction board 71d is illustrated.
As shown in Figure 7 and Figure 8, indoor unit 101 has wind direction adjustment section 71.Wind direction adjustment section 71 in embodiment 1
The middle wind direction adjustment section 70 illustrated is identical, is set to outlet 3, and the court by changing air stream with air streams contact
To or make its branch.The direction of wind direction adjustment section 71 can change, and can make air according to the direction of wind direction adjustment section 71
The direction of stream, branch's number of air stream generate variation.When the direction to wind direction adjustment section 71 changes, as making air stream
The variation of air quantity also can be used in the means of the position, range arrived.The driving of wind direction adjustment section 71 is by control device 60
It executes.
Wind direction adjustment section 71 is by the 1st wind direction board 70a, the 2nd wind direction board 70b, the 3rd wind direction board 70c and vertical wind direction board
71d is constituted.For the 1st wind direction board 70a, the 2nd wind direction board 70b and the 3rd wind direction board 70c, that as described in embodiment 1
Sample.
Vertical wind direction board 71d is set to than the 1st wind direction board 70a, the 2nd wind direction board 70b and the 3rd wind direction board 70c on the lower
The position of side.
Vertical wind direction board 71d is arranged in the vertical mode of the wind path 4 relative to indoor unit 101.
In addition, vertical wind direction board 71d is equivalent to " the left and right wind direction plate " of the utility model.
As shown in figure 8, vertical wind direction board 71d can rotate in the horizontal direction relative to wind path 4.Accordingly, with respect to level
Direction has angled vertical wind direction board 71d and air streams contact, so as to change down the air stream blown in left-right direction
Flow direction.It is identical as indoor unit 100 for other structures.
Therefore, according to indoor unit 101, due to wind direction adjustment section 71, so even if combustible refrigerant connects from piping
Socket part 51 leaks, also can with both direction up and down synchronize blow operating ordinatedly, execute under further making the wind direction that blows along left
The operating of right swing, the air stream that can be blown under in broader range conveys, when so as to realize shorter
Interior refrigerant diffusion.
Embodiment 3.
Fig. 9 is (hereinafter referred to as indoor for the indoor unit to air conditioner involved in the embodiments of the present invention 3
Machine 102) wind direction adjustment section 71 of left and right when blowing operating the top view that is illustrated of movement.Based on Fig. 9, to indoor unit
102 structure and movement are illustrated.
In addition, be illustrated centered on the difference of embodiment 1,2 in present embodiment 3, for implementation
Mode 1,2 identical parts, mark identical appended drawing reference and omit the description.
In embodiment 2, to having at least three wind direction board (the 1st wind direction board 70a, the 2nd wind direction board 70b, the 3rd wind direction board
70c) and the indoor unit 101 of vertical wind direction board 71d is illustrated, but in present embodiment 3, to instead of vertical wind direction board
71d and have the vertical wind direction board 72e in the 1st driven independently of each other, the 2nd vertical wind direction board 72f indoor unit 102 carry out
Explanation.
As shown in figure 9, indoor unit 102 has wind direction adjustment section 72.Wind direction adjustment section 72 and illustrated in the embodiment 1
Wind direction adjustment section 70 it is identical, be set to outlet 3, and by the direction for changing air stream with air streams contact or make
Its branch.Wind direction adjustment section 72 direction can change, according to wind direction adjustment section 72 direction and can make air stream direction,
Branch's number of air stream changes.To wind direction adjustment section 72 direction change when, as arrive air stream position, model
The means of variation are enclosed, the variation of air quantity also can be used.The driving of wind direction adjustment section 72 is executed by control device 60.
Wind direction adjustment section 72 is by the 1st wind direction board 70a, the 2nd wind direction board 70b, the 3rd wind direction board 70c, the 1st vertical wind direction board
The vertical wind direction board 72f of 72e and the 2nd is constituted.For the 1st wind direction board 70a, the 2nd wind direction board 70b and the 3rd wind direction board 70c,
As illustrated in embodiment 1.
The vertical wind direction board illustrated in the vertical wind direction board 72f of 1st vertical wind direction board 72e and the 2nd and embodiment 2
71d is identical, is set to than the 1st wind direction board 70a, the position of the 2nd wind direction board 70b and the 3rd wind direction board 70c on the lower.
The side vertical wind direction board 72f of 1st vertical wind direction board 72e and the 2nd vertical with the wind path 4 relative to indoor unit 101
Formula setting.
In addition, the vertical wind direction board 72f of the 1st vertical wind direction board 72e and the 2nd is equivalent to the " left and right wind direction of the utility model
Plate ".
As shown in figure 9, the vertical wind direction board 72f of the 1st vertical wind direction board 72e and the 2nd can be along level side relative to wind path 4
To rotation, and the change of direction can be carried out each independently.Has angled 1st vertically-supplying air accordingly, with respect to horizontal direction
To the vertical wind direction board 72f of plate 72e and the 2nd and air streams contact, so as to the air stream blown under making flow direction along a left side
Right direction change.In addition, the vertical wind direction board 72f of the 1st vertical wind direction board 72e and the 2nd can rotate each independently, therefore
The vertical wind direction board 72f of 1 vertical wind direction board 72e and the 2nd with respectively different angle rotations, so as to by air stream along left and right
Both direction segmentation.It is identical as indoor unit 100 or indoor unit 101 for other structures.
Therefore, according to indoor unit 102, due to wind direction adjustment section 72, so even if combustible refrigerant connects from piping
Socket part 51 leaks, also can with both direction up and down synchronize blow operating cooperatively, execute the wind direction edge further blown by under
The operating of left and right segmentation, the air stream so as to blow under in broader range convey, and thus, it is possible to realize more
Refrigerant diffusion in short time.In addition, being divided by the air stream that will be blown down along left and right, capable of also being dropped according to indoor unit 102
Low discharge wind becomes the short-circuit cycle of sucking wind with keeping intact, so as to more efficiently capture leakage refrigeration from suction inlet 2
Agent.
In addition, the vertical wind direction board 72f of the 1st vertical wind direction board 72e and the 2nd is each independently by control direction, but can also
To be controlled as identical direction, so that whole wind direction edge be made to swing.It therefore, also can be with according to indoor unit 102
It is synchronized above and below both direction and blows operating cooperatively, further execute the operating that the whole edge of the wind direction blown under making swings,
Air stream so as to blow under in broader range conveys, and the refrigerant that can be realized in shorter time expands
It dissipates.
Embodiment 4.
Figure 10 is to indicate that the indoor unit of air conditioner involved in the embodiments of the present invention 4 is (hereinafter referred to as indoor
Machine 103) decompose state exploded perspective view.Based on Figure 10, the structure and movement of indoor unit 103 are illustrated.
In addition, illustrated centered on the difference with Embodiments 1 to 3 in present embodiment 4, for embodiment party
The identical part of formula 1~3, marks identical appended drawing reference and omits the description.In addition, though having wind direction tune with indoor unit 103
It is shown in case where whole 70, but can also have wind direction adjustment section 71 or wind direction adjustment section 72 by machine 103 indoors.
In the embodiment 1, the indoor unit 100 that suction inlet 2 is formed in front surface panel 80 is illustrated, but
In present embodiment 4, has front surface panel (the hereinafter referred to as front surface panel of open-close structure in suction inlet 2 to having
83) indoor unit 103 is illustrated.
As shown in Figure 10, indoor unit 103 is equipped with that have can be to the front surface face for the open-close structure that suction inlet 2 is opened and closed
Plate 83.Open-close structure can block the suction inlet 2 of front surface panel 83, by divided 1st opening and closing in center in shell 1
Device 83a and the 2nd shutter 83b is constituted.The driving of open-close structure is executed by control device 60.In addition, for other structures,
It is identical as indoor unit 100, indoor unit 101 or indoor unit 102.
1st shutter 83a and the 2nd shutter 83b learns the leakage of refrigerant based on detection and is opened and closed by control.Example
Such as, it in the case where tubing connection portion 51 detects refrigerant leakage, will be opened close to the 2nd of the side of the leakage position of refrigerant the
It closes device 83b to open wide, the 1st shutter 83a that will be far from the side of the leakage position of refrigerant is closed.In this way, complete with suction inlet 2
It comparing when not being closed, being risen by closing the side of suction inlet 2 so as to make to suck the speed of the air stream of wind, it can
It will concentrate close to the air in the region of refrigerant leakage position and be more rapidly sucked into.
Therefore, according to indoor unit 103, since there is open-close structure in suction inlet 2, even if so combustible refrigerant is from matching
Pipe jointing part 51 leak, also can with both direction up and down synchronize blow operating cooperatively, will be close to refrigerant leakage position
Region air concentrate and be more rapidly sucked into, can be realized in shorter time refrigerant diffusion.
Embodiment 5.
Figure 11 and Figure 12 is the indoor unit for showing schematically air conditioner involved in the embodiments of the present invention 5
The side view of one example of the structure of (hereinafter referred to as indoor unit 104).Based on Figure 11 and Figure 12, to the knot of indoor unit 104
Structure and movement are illustrated.
In addition, be illustrated centered on the difference with Embodiments 1 to 4 in present embodiment 5, for implementation
The identical part of mode 1~4, marks identical appended drawing reference and omits the description.In addition, having wind direction adjustment with indoor unit 104
It is shown in case where portion 70, but can also have wind direction adjustment section 71 or wind direction adjustment section 72 by machine 103 indoors.
In present embodiment 5, the indoor unit 104 for having filter winding device 91 is illustrated, wherein filter
The filter 90 that winding device 91 can remove the dust for being included by the air sucked in wind path 4 is wound.In Figure 11
In, the state that filter 90 is not wound by filter winding device 91 is shown, in fig. 12 it is shown that filter 90 is filtered
The state that device winding device 91 is wound.
As shown in figs. 11 and 12, indoor unit 104 has filter winding device 91 in shell 1.Filter winding dress
91 are set to be configured to be wound filter 90.The driving of filter winding device 91 is executed by control device 60.In addition,
It is identical as indoor unit 100, indoor unit 101, indoor unit 102 or indoor unit 103 for other structures.
Filter winding device 91 is learnt the leakage of refrigerant based on detection and is driven by control.For example, detecting system
In the case that cryogen leaks, filter winding device 91 is wound filter 90, and filter 90 is removed (figure from wind path 4
11 → Figure 12).In this way, increase the speed for sucking the air stream of wind there is no barrier in wind path 4, it can be more
It is rapidly sucked into.
Therefore, according to indoor unit 104, having can be to the filter winding device 91 that filter 90 is wound, therefore
Even if combustible refrigerant from tubing connection portion 51 leak, also can with both direction up and down synchronize blow operating cooperatively,
Filter 90 is removed from wind path 4, can be realized the refrigerant diffusion in shorter time.
The explanation of appended drawing reference
1... shell；2... suction inlet；3... outlet；4... wind path；5... Air Blast fan；11... heat exchanger；
12... front-surface side heat exchanger；13... back side heat exchanger；30... drip tray；50... refrigerant sensor；51...
Tubing connection portion；60... control device；70... wind direction adjustment section；The 1st wind direction board of 70a...；The 2nd wind direction board of 70b...；
The 3rd wind direction board of 70c...；71... wind direction adjustment section；The vertical wind direction board of 71d...；72... wind direction adjustment section；72e... the 1st hangs down
Straight wind direction board；The vertical wind direction board of 72f... the 2nd；80... front surface panel；83... front surface panel；83a... the 1st is opened and closed
Device；The 2nd shutter of 83b...；90... filter；91... filter winding device；100... indoor unit；101... in room
Machine；102... indoor unit；103... indoor unit；104... indoor unit.
Claims (12)
1. a kind of indoor unit of air conditioner uses combustible refrigerant in the refrigerant circuit for constituting refrigeration cycle,
The indoor unit of the air conditioner is characterized in that, comprising:
Shell has the suction inlet for being formed in front surface lower part, is formed in an outlet on front surface top and by institute
State the wind path that suction inlet is connected to the outlet；
Heat exchanger is arranged in the wind path；
Air Blast fan is arranged in the wind path, is constructed so as to generate the flowing of air in the wind path；
Wind direction adjustment section is set to the outlet, is configured to the synchronous Ground Split of the air stream being discharged from the outlet
For upper and lower both direction；
Tubing connection portion, is located at the inside of the shell, and Xiang Suoshu heat exchanger supplies the piping of the combustible refrigerant
It is connected to each other in the tubing connection portion；
Refrigerant sensor is arranged in the shell, is configured to the flammable system from the tubing connection portion
The leakage of cryogen is detected；And
Control device consists of and is detecting institute from the tubing connection portion based on the information from the refrigerant sensor
When stating the leakage of combustible refrigerant, the direction of the wind direction adjustment section is changed.
2. the indoor unit of air conditioner according to claim 1, which is characterized in that
The control device is configured to based on detecting from the information of the refrigerant sensor from the tubing connection portion
When the leakage of the combustible refrigerant, the wind direction adjustment section is controlled, so that air stream be made to be divided into two up and down
Direction, and the wind direction edge of bottom blowing air current is made to swing.
3. the indoor unit of air conditioner according to claim 1, which is characterized in that
The wind direction adjustment section has the left and right wind direction plate for making wind direction along left and right variation,
The control device is configured to based on detecting from the information of the refrigerant sensor from the tubing connection portion
When the leakage of the combustible refrigerant, the wind direction adjustment section is controlled, so that air stream is made to be divided into both direction up and down, and
And air stream edge is made to swing.
4. the indoor unit of air conditioner according to claim 1, which is characterized in that
The wind direction adjustment section has the left and right wind direction plate for making wind direction along left and right variation,
The left and right wind direction plate is configured to centered on the center of the shell and left and right is controlled as different directions,
The control device is configured to based on detecting from the information of the refrigerant sensor from the tubing connection portion
When the leakage of the combustible refrigerant, the wind direction adjustment section is controlled, so that air stream is made to be divided into both direction up and down, and
And air stream is made to be divided into left and right both direction.
5. the indoor unit of air conditioner according to claim 1, which is characterized in that
The wind direction adjustment section has the left and right wind direction plate for making wind direction along left and right variation,
The left and right wind direction plate is configured to centered on the center of the shell and left and right is controlled as different directions,
The control device is configured to based on detecting from the information of the refrigerant sensor from the tubing connection portion
When the leakage of the combustible refrigerant, the wind direction adjustment section is controlled, so that air stream is made to be divided into both direction up and down, and
And swing air stream in left and right both direction.
6. the indoor unit of air conditioner according to any one of claims 1 to 5, which is characterized in that
Have the open-close structure that the suction inlet can be opened and closed,
The open-close structure is divided centered on the center of the shell and by left and right,
The control device is configured to control the open-close structure and close the unilateral side of the suction inlet.
7. the indoor unit of air conditioner according to any one of claims 1 to 5, which is characterized in that
The filter winding device that the shell has filter and is wound to the filter,
The control device is configured to control the filter winding device and remove the filter from the wind path.
8. the indoor unit of air conditioner according to claim 6, which is characterized in that
The filter winding device that the shell has filter and is wound to the filter,
The control device is configured to control the filter winding device and remove the filter from the wind path.
9. the indoor unit of air conditioner according to any one of claims 1 to 5, which is characterized in that
The wind direction adjustment section is at least made of 3 up-down wind direction boards,
The wind direction adjustment section is constituted are as follows:
Air stream is divided into two up and down using the 1st wind direction board for being set to most upstream side in 3 up-down wind direction boards
Direction,
Utilize the 2nd wind direction board and the 3rd than the 1st wind direction board downstream that is set in 3 up-down wind direction boards
Wind direction board makes divided air stream not collaborate and become bottom blowing air current and upper blowing gas stream.
10. the indoor unit of air conditioner according to claim 6, which is characterized in that
The wind direction adjustment section is at least made of 3 up-down wind direction boards,
The wind direction adjustment section is constituted are as follows:
Air stream is divided into two up and down using the 1st wind direction board for being set to most upstream side in 3 up-down wind direction boards
Direction,
Utilize the 2nd wind direction board and the 3rd than the 1st wind direction board downstream that is set in 3 up-down wind direction boards
Wind direction board makes divided air stream not collaborate and become bottom blowing air current and upper blowing gas stream.
11. the indoor unit of air conditioner according to claim 7, which is characterized in that
The wind direction adjustment section is at least made of 3 up-down wind direction boards,
The wind direction adjustment section is constituted are as follows:
Air stream is divided into two up and down using the 1st wind direction board for being set to most upstream side in 3 up-down wind direction boards
Direction,
Utilize the 2nd wind direction board and the 3rd than the 1st wind direction board downstream that is set in 3 up-down wind direction boards
Wind direction board makes divided air stream not collaborate and become bottom blowing air current and upper blowing gas stream.
12. the indoor unit of air conditioner according to claim 8, which is characterized in that
The wind direction adjustment section is at least made of 3 up-down wind direction boards,
The wind direction adjustment section is constituted are as follows:
Air stream is divided into two up and down using the 1st wind direction board for being set to most upstream side in 3 up-down wind direction boards
Direction,
Utilize the 2nd wind direction board and the 3rd than the 1st wind direction board downstream that is set in 3 up-down wind direction boards
Wind direction board makes divided air stream not collaborate and become bottom blowing air current and upper blowing gas stream.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016059864 | 2016-03-28 | ||
| JPPCT/JP2016/059864 | 2016-03-28 | ||
| PCT/JP2016/085734 WO2017168834A1 (en) | 2016-03-28 | 2016-12-01 | Indoor unit for air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209101501U true CN209101501U (en) | 2019-07-12 |
Family
ID=59963897
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201690001616.3U Active CN209101501U (en) | 2016-03-28 | 2016-12-01 | The indoor unit of air conditioner |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6641457B2 (en) |
| CN (1) | CN209101501U (en) |
| WO (1) | WO2017168834A1 (en) |
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|---|---|---|---|---|
| WO2024066240A1 (en) * | 2022-09-28 | 2024-04-04 | 海信空调有限公司 | Air conditioner and control method therefor |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113272597B (en) * | 2019-01-18 | 2023-04-04 | 三菱电机株式会社 | Air conditioner and control method |
| WO2020220658A1 (en) * | 2019-04-29 | 2020-11-05 | 广东美的制冷设备有限公司 | Air conditioner indoor unit |
| CN109974090A (en) * | 2019-04-29 | 2019-07-05 | 广东美的制冷设备有限公司 | Air conditioner |
| EP3974735A1 (en) * | 2020-09-25 | 2022-03-30 | Daikin Industries, Ltd. | Indoor unit of a heat pump |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS481995U (en) * | 1971-05-25 | 1973-01-11 | ||
| JPS60122014A (en) * | 1983-12-02 | 1985-06-29 | Hitachi Ltd | Strainer |
| JPS60228829A (en) * | 1984-04-27 | 1985-11-14 | Hitachi Ltd | Air filter device |
| JPH0735948U (en) * | 1993-11-29 | 1995-07-04 | 船井電機株式会社 | Air conditioner |
| JP2006029702A (en) * | 2004-07-16 | 2006-02-02 | Daikin Ind Ltd | Air conditioner |
| KR101356486B1 (en) * | 2007-01-26 | 2014-01-29 | 엘지전자 주식회사 | Air conditioner |
| JP5422953B2 (en) * | 2007-11-12 | 2014-02-19 | ダイキン工業株式会社 | Indoor unit for air conditioner |
| JP2012013348A (en) * | 2010-07-02 | 2012-01-19 | Panasonic Corp | Air conditioner |
| EP2835586B1 (en) * | 2012-03-01 | 2020-09-16 | Mitsubishi Electric Corporation | Floor-type air conditioner |
| JP5804027B2 (en) * | 2013-11-14 | 2015-11-04 | ダイキン工業株式会社 | Air conditioner indoor unit |
| JP6222252B2 (en) * | 2015-03-30 | 2017-11-01 | ダイキン工業株式会社 | Air conditioner indoor unit |
-
2016
- 2016-12-01 CN CN201690001616.3U patent/CN209101501U/en active Active
- 2016-12-01 JP JP2018508373A patent/JP6641457B2/en active Active
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|---|---|---|---|---|
| WO2024066240A1 (en) * | 2022-09-28 | 2024-04-04 | 海信空调有限公司 | Air conditioner and control method therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017168834A1 (en) | 2017-10-05 |
| JPWO2017168834A1 (en) | 2018-10-18 |
| JP6641457B2 (en) | 2020-02-05 |
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