CN103900148A - Air conditioner internal machine, heat exchanger air guide adjustment device and heat exchanger air guide adjustment method - Google Patents
Air conditioner internal machine, heat exchanger air guide adjustment device and heat exchanger air guide adjustment method Download PDFInfo
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- CN103900148A CN103900148A CN201210568126.XA CN201210568126A CN103900148A CN 103900148 A CN103900148 A CN 103900148A CN 201210568126 A CN201210568126 A CN 201210568126A CN 103900148 A CN103900148 A CN 103900148A
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Abstract
The invention discloses an air conditioner inner machine which comprises a machine shell and a heat exchanger which is arranged in the machine shell, wherein the heat exchanger comprises a plurality of heat exchanging partitions which are divided according to a refrigerant flow path. The invention further comprises a heat exchanger air guide adjustment device which is arranged in the machine shell and is used for adjusting inlet air distribution of the heat exchanger; the heat exchanger air guide adjustment device comprises a temperature measuring element, an air guide blade unit and a controller, wherein the temperature measuring element is arranged corresponding to the heat exchanging partitions and is used for measuring temperature of the heat exchanging partitions; the air guide blade unit comprises an air guide blade which is matched with the machine shell in a rotating mode and a driving device which drives the air guide blade to rotate; the controller controls the driving device to drive the air guide blade to rotate according to temperature data collected by the temperature measuring element. According to the conditioner inner machine, heat exchange efficiency of the heat exchanger is improved, and energy efficiency of the air conditioner is improved. The invention further provides a heat exchanger air guide adjustment device and a heat exchanger air guide adjustment method.
Description
Technical field
The present invention relates to air conditioner technical field, particularly a kind of air-conditioning internal machine, heat exchanger wind-guiding adjusting device and heat exchanger wind-guiding control method.
Background technology
In air conditioner refrigerating process, all there is temperature difference in the pipe temperature that goes out of each refrigerant flow path of heat exchanger.Heat exchanger comprises evaporimeter and condenser etc.Take evaporimeter as example, because the pipe temperature that goes out of each refrigerant flow path of evaporimeter all exists temperature difference, make the refrigerant flow path of evaporimeter have superheated refrigerant stream and band liquid refrigerant flow path, superheated refrigerant stream is that the cold-producing medium in pipe all absorbs heat volatilization for gaseous state, the refrigerant flow path that heat absorption capacity declines greatly, be that cold-producing medium in pipe exists liquid part with liquid refrigerant flow path, absorb heat incomplete.The superheated refrigerant stream heat absorption capacity of evaporimeter is limited, and band liquid refrigerant flow path completely heat absorption volatilization flow back to compressor and again circulate, make the exchange capability of heat of evaporimeter lower.
At present, for making heat exchanger reach maximum exchange capability of heat, need to reduce the temperature difference between pipe temperature that of each refrigerant flow path.Traditional matching process is to regulate the cold medium flux on each road by changing separatory internal diameter capillaceous or length, thereby guarantees out the uniformity of pipe temperature.
But, the refrigerant flow path of heat exchanger regulate be in Performance Match consuming time at most, change a link of machine workload maximum, and the impact of modulated frock, separatory capillary regulating effect gap external and when built-in is larger, capillary of every adjustment, all needs again to freeze.Conventionally be subject to the restriction of shell space and capillary regulating power, exist several refrigerant flow paths to go out pipe temperature on the low side or higher, can reduce equally the heat transfer effect of heat exchanger, thereby make air-conditioning efficiency lower.
Therefore, how to improve the heat exchange efficiency of heat exchanger, improve air-conditioning efficiency, become those skilled in the art's problem demanding prompt solution.
Summary of the invention
In view of this, the invention provides a kind of air-conditioning internal machine, improved the heat exchange efficiency of heat exchanger, improved air-conditioning efficiency.The present invention also provides a kind of heat exchanger wind-guiding adjusting device and heat exchanger wind-guiding control method.
For achieving the above object, the invention provides following technical scheme:
A kind of air-conditioning internal machine, comprise casing and be arranged at the heat exchanger in described casing, described heat exchanger comprises multiple heat exchange subregions of dividing according to refrigerant flow path, also comprises and being arranged in described casing, for the heat exchanger wind-guiding adjusting device that regulates heat exchanger air intake to distribute;
Described heat exchanger wind-guiding adjusting device comprises:
Setting corresponding to described heat exchange subregion, for measuring the temperature element of described heat exchange subregion temperature;
Wind blade unit, the drive unit that described wind blade unit comprises the wind blade being rotatably assorted with described casing and drives described wind blade to rotate;
The controller that drives described wind blade to rotate according to drive unit described in the temperature data control of described temperature element collection.
Preferably, described heat exchanger wind-guiding adjusting device also comprises the support of the air inlet that is arranged on described casing, and described wind blade rotates and is arranged on described support.
Preferably, described support is fixedly connected with the screen pack of described air-conditioning internal machine.
Preferably, the quantity of described wind blade unit and the quantity of described heat exchange subregion is identical and with the corresponding setting one by one of described heat exchange subregion.
Preferably, the wind-guiding coincidence value P of adjacent two described wind blade unit is greater than the tube pitch of described heat exchanger and is less than the described tube pitch of 1.5 times;
Wherein, wind-guiding coincidence value P is the width of the extraneous wind of adjacent two described wind blade unit guides at the coincidence area of described heat exchanger.
Preferably, described temperature element is arranged at the refrigerant exit end of described multiple heat exchange subregions.
Preferably, described drive unit comprises the linkage being connected with described wind blade and drives the motor of described linkage motion, described motor and the communication connection of described controller;
On described linkage, be provided with multiple described wind blades.
The present invention also provides a kind of heat exchanger wind-guiding adjusting device, and multiple heat exchange subregions of dividing according to refrigerant flow path of heat exchanger carry out wind-guiding, comprising:
Be used for the support of the air inlet that is arranged on described air-conditioning internal machine;
With the corresponding setting of described multiple heat exchange subregions, for measuring the temperature element of described heat exchange subregion temperature;
Wind blade unit, described wind blade unit comprises the drive unit that rotation is arranged at the wind blade on described support and drives described wind blade to rotate;
The controller that drives described wind blade to rotate according to drive unit described in the temperature data control of described temperature element collection.
Preferably, described drive unit comprises the linkage being connected with described wind blade and drives the motor of described linkage motion, described motor and the communication connection of described controller;
On described linkage, be provided with multiple described wind blades.
The present invention also provides a kind of heat exchanger wind-guiding control method, when described heat exchanger during in refrigerating state the wind-guiding wind direction of heat exchanger regulate, comprise step:
1) each heat exchange subregion temperature T of detection heat exchanger
n;
2) calculate each heat exchange subregion temperature T
nabsolute difference △ T with preset temperature T
n;
3) as △ T
n=︱ T
nwhen-T ︱≤△ T, remain stationary;
As △ T
n=︱ T
n-T ︱ > △ T and T
nwhen > T, adjust the angle of inclination of the wind blade corresponding with this heat exchange subregion, to reduce the air quantity of this heat exchange subregion;
As △ T
n=︱ T
n-T ︱ > △ T and T
nwhen < T, adjust the angle of inclination of the wind blade corresponding with this heat exchange subregion, to increase the air quantity of this heat exchange subregion;
Wherein, described heat exchange subregion is the region of dividing according to the refrigerant flow path of described heat exchanger, and △ T is that allowable temperature is poor.
Preferably, described step 1) specifically comprises: after described air-conditioning system start operation preset time t, detect the heat exchange subregion temperature T of heat exchanger
n.
Preferably, after described step 3), also comprise step 4): after described air-conditioning system operation preset interval time △ t, enter step 1).
Preferably, after described step 3), also comprise step 5): as △ T
n=︱ T
nwhen-T ︱ > △ T, after described air-conditioning system operation preset interval time △ t, enter step 1); As △ T
n=︱ T
nwhen-T ︱≤△ T, finish the operation at the angle of inclination that regulates described wind blade.
Preferably, in described step 3), as △ T
n=︱ T
n-T ︱ > △ T and T
nwhen > T, the air quantity that reduces described heat exchange subregion is specially: the temperature T of heat exchange subregion described in more adjacent upper
n-1temperature T with heat exchange subregion described in adjacent next
n+1,
Work as T
n-1> T
n+1time, adjust the angle of inclination of described wind blade, to heat exchange subregion guiding air intake wind direction described in adjacent next;
Work as T
n-1< T
n+1time, adjust the angle of inclination of described wind blade, to heat exchange subregion guiding air intake wind direction described in adjacent upper.
Can find out from above-mentioned technical scheme, air-conditioning internal machine provided by the invention, increase the heat exchanger wind-guiding adjusting device that regulates heat exchanger air intake to distribute, by measuring the heat exchange subregion temperature of heat exchanger and heat exchange subregion temperature being passed to controller, sent the driving signal of accessory drive operation by controller, to adjust the angle of inclination of the wind blade that is positioned at air inlet, the part that changes heat exchanger is subject to air quantity, temperature on heat exchanger is uniformly distributed, reduce the intake of overheated heat exchange subregion, increase the intake with liquid heat exchange subregion, and then the heat exchange efficiency of raising heat exchanger, improve air conditioner refrigeration effect and air-conditioning efficiency.
The present invention also provides heat exchanger wind-guiding adjusting device and the heat exchanger wind-guiding control method in a kind of above-mentioned air-conditioning internal machine, because above-mentioned air-conditioning internal machine has above-mentioned effect, heat exchanger wind-guiding adjusting device provided by the invention and heat exchanger wind-guiding control method also should have same technique effect, introduce no longer one by one at this.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the air-conditioning internal machine that Fig. 1 provides for the embodiment of the present invention;
The structural representation of the heat exchanger wind-guiding adjusting device that Fig. 2 provides for the embodiment of the present invention;
The air intake control area schematic diagram of the heat exchanger wind-guiding adjusting device that Fig. 3 provides for the embodiment of the present invention.
The specific embodiment
The invention discloses a kind of air-conditioning internal machine, improved the heat exchange efficiency of heat exchanger, improved air-conditioning efficiency.The present invention also provides a kind of heat exchanger wind-guiding adjusting device and heat exchanger wind-guiding control method.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Please refer to Fig. 1, Fig. 2 and Fig. 3, the structural representation of the air-conditioning internal machine that Fig. 1 provides for the embodiment of the present invention; The structural representation of the heat exchanger wind-guiding adjusting device that Fig. 2 provides for the embodiment of the present invention; The air intake control area schematic diagram of the heat exchanger wind-guiding adjusting device that Fig. 3 provides for the embodiment of the present invention.
The embodiment of the present invention provides a kind of air-conditioning internal machine, comprise casing 7 and be arranged at the heat exchanger 6 in casing 7, heat exchanger 6 comprises multiple heat exchange subregions of dividing according to refrigerant flow path, it is characterized in that, also comprise and being arranged in casing 7, for the heat exchanger wind-guiding adjusting device that regulates heat exchanger air intake to distribute; Heat exchanger wind-guiding adjusting device comprises: setting corresponding to heat exchange subregion, for measuring the temperature element 4 of heat exchange subregion temperature; Wind blade unit 3, wind blade unit 3 comprises the wind blade 31 being rotatably assorted with casing 7 and the drive unit that drives wind blade 31 to rotate; The controller 5 that the temperature data accessory drive gathering according to temperature element 4 drives wind blade 31 to rotate.
It should be noted that, by corresponding one by one with the temperature element 4 of equal number multiple heat exchange subregions of heat exchanger, and by each temperature element 4, each heat exchange subregion is carried out to thermometric.
The air-conditioning internal machine that the embodiment of the present invention provides, increase the heat exchanger wind-guiding adjusting device that regulates heat exchanger 6 air intakes to distribute, by measuring the heat exchange subregion temperature of heat exchanger 6 and heat exchange subregion temperature being passed to controller 5, sent the driving signal of accessory drive operation by controller 5, to adjust the angle of inclination of the wind blade 31 that is positioned at air inlet, the part that changes heat exchanger is subject to air quantity, temperature on heat exchanger is uniformly distributed, reduce the intake of overheated heat exchange subregion, increase the intake with liquid heat exchange subregion, and then the heat exchange efficiency of raising heat exchanger, improve air conditioner refrigeration effect and improved the efficiency of air-conditioning.
With the heat exchanger when the refrigerating state, evaporimeter is example, as △ T
n=︱ T
nwhen-T ︱≤△ T, controller 5 is controlled wind blade 31 and is remained stationary; As △ T
n=︱ T
n-T ︱ > △ T and T
nwhen > T, controller 5 is adjusted the angle of inclination of the wind blade 31 corresponding with this heat exchange subregion, to reduce the air quantity of this heat exchange subregion; As △ T
n=︱ T
n-T ︱ > △ T and T
nwhen < T, controller 5 is adjusted the angle of inclination of the wind blade 31 corresponding with this heat exchange subregion, to increase the air quantity of this heat exchange subregion.Wherein, T
nheat exchange subregion temperature, T is preset temperature, △ T
nfor absolute difference, △ T is that allowable temperature is poor.
Heat exchanger wind-guiding adjusting device also comprises the support 1 of the air inlet that is arranged on casing 7, and wind blade 31 rotates and is arranged on support 1.By support 1 being installed on to the air inlet of casing 7, wind blade 31 is adjusted to the air intake wind direction that is entered indoor apparatus of air conditioner by the air inlet of casing 7 and contact with heat exchanger 6.Also wind blade 31 can be rotated and is arranged at the air inlet place of casing 7 or support 1 is placed in casing 7 to setting corresponding to heat exchanger 6.
Enter air-conditioning inside in order to reduce extraneous dust or impurity by air-conditioning internal machine air inlet, conventionally at the air inlet of air-conditioning internal machine, grid is set, i.e. screen pack 2.For the ease of installing, preferably support 1 is fixedly connected with the screen pack 2 of air-conditioning internal machine.As shown in Figure 1, support 1 is installed to screen pack 2 towards the one side in air-conditioning internal machine outside, towards the one side of air-conditioning internal machine inner side, wind blade 31 is installed.
As shown in Figure 2, the quantity of wind blade unit 3 is identical with the quantity of the heat exchange subregion of heat exchanger 6, and multiple wind blades unit 3 is corresponding one by one with multiple heat exchange subregions.
Because heat exchanger 6 has multiple refrigerant flow paths, and multiple refrigerant flow path is arranged in order along the length direction of heat exchanger 6, makes to have on heat exchanger 6 region at multiple refrigerant flow paths place, i.e. heat exchange subregion.Because the quantity of the quantity of wind blade unit 3 and the heat exchange subregion of heat exchanger 6 is identical, and the heat exchange subregion corresponding setting one by one of wind blade unit 3 and heat exchanger 6, make a wind blade unit 3 corresponding with a heat exchange subregion, adjust wind blade unit 3 by the temperature of measuring this heat exchange subregion, and then complete the adjustment that is subject to air quantity to this heat exchange subregion.
As shown in Figure 3, the wind-guiding coincidence value P of adjacent wind blade unit 3 is greater than the tube pitch of heat exchanger and is less than the tube pitch of 1.5 times;
Wherein, wind-guiding coincidence value P is the width that adjacent two wind blade unit 3 guide the coincidence area of extraneous wind on heat exchanger 6.In adjacent two wind blade unit 3, wind blade unit 3 above slopes downwardly into the limit, the limit that is inclined upwardly of wind blade unit 3 below, it guides extraneous wind, and through the coincidence area of heat exchanger 6, the width on the windward side of heat exchanger 6 is wind-guiding coincidence value P.Wherein, the downward-sloping extreme angles of the wind blade 31 in wind blade unit 3 is the first angle of inclination r
n1, the acclivitous extreme angles of wind blade 31 is the second angle of inclination r
n2, the angle of inclination adjusting range of wind blade 31 is r
n1~ r
n2.
Preferably, temperature element 4 is arranged at the refrigerant exit end of heat exchange subregion.Wherein, temperature element 4 is connected with the heat exchanger tube of the refrigerant exit end of heat exchange subregion.
Preferably, drive unit comprises: the linkage 32 being connected with wind blade 31; The motor 33 that driven linkage 32 is moved, motor 33 communicates to connect with controller 5.
Preferably, motor 33 is stepper motor, and this stepper motor and linkage 32 are connected, and preferably has a stable drive ratio between the two, to reduce the rotational angle of wind blade 31.
On linkage 32, be provided with multiple wind blades 31.Linkage 32 can be set to chain, this chain engages with the gear on multiple wind blades 31, and this chain engages with the gear of motor 33 outputs, is rotated and is driven chain to rotate, and drive multiple wind blades 31 to rotate by motor 33; Also linkage 32 can be set to the connecting rod circumferential fixing with multiple wind blades 31, and on this connecting rod, be arranged at the travelling gear that motor 33 is in transmission connection, rotate and drive connecting rods to rotate by motor 33, thereby the multiple wind blades 31 that make rotate.As shown in Figure 3, the wind blade 31 angle of inclination adjusting ranges in the wind blade unit 3 in the present embodiment are r
n1~ r
n2, the wind-guiding coverage of wind blade unit 3 is F
n.
Also can single wind blade 31 is corresponding one by one with single motor 33, do not do concrete restriction at this.
Wherein, heat exchanger 6 can be in-line heat exchanger, can be also V font heat exchanger.And wind blade 31 can be flat blade, it can be also arc shaped blade.
The embodiment of the present invention also provides a kind of heat exchanger wind-guiding adjusting device, and multiple heat exchange subregions of dividing according to refrigerant flow path of heat exchanger 6 carry out wind-guiding, comprising: for being arranged on the support 1 of air inlet of air-conditioning internal machine; Setting corresponding to multiple heat exchange subregions, for measuring the temperature element 4 of heat exchange subregion temperature; Wind blade unit 3, wind blade unit 3 comprises the drive unit that rotation is arranged at the wind blade 31 on support 1 and drives wind blade 31 to rotate; The controller 5 that the temperature data accessory drive gathering according to temperature element 4 drives wind blade 31 to rotate.
With the heat exchanger when the refrigerating state, evaporimeter is example, as △ T
n=︱ T
nwhen-T ︱≤△ T, controller 5 is controlled wind blade 31 and is remained stationary; As △ T
n=︱ T
n-T ︱ > △ T and T
nwhen > T, controller 5 is adjusted the angle of inclination of the wind blade 31 corresponding with this heat exchange subregion, to reduce the air quantity of this heat exchange subregion; As △ T
n=︱ T
n-T ︱ > △ T and T
nwhen < T, controller 5 is adjusted the angle of inclination of the wind blade 31 corresponding with this heat exchange subregion, to increase the air quantity of this heat exchange subregion.Wherein, T
nheat exchange subregion temperature, T is preset temperature, △ T
nfor absolute difference, △ T is that allowable temperature is poor.
It should be noted that, by corresponding one by one with the temperature element 4 of equal number multiple heat exchange subregions of heat exchanger 6, each heat exchange subregion is carried out to thermometric.
Because above-mentioned air-conditioning internal machine has above-mentioned effect, the heat exchanger wind-guiding adjusting device being applied in above-mentioned air-conditioning internal machine also should have same technique effect, introduces no longer one by one at this.
Preferably, drive unit comprises: the linkage 32 being connected with wind blade 31; The motor 33 that driven linkage 32 is moved, motor 33 communicates to connect with controller 5.
Preferably, motor 33 is stepper motor, and this stepper motor and linkage 32 are connected, and preferably has a stable drive ratio between the two, to reduce the rotational angle of wind blade 31.
On linkage 32, be provided with multiple wind blades 31.Linkage 32 can be set to chain, this chain engages with the gear on multiple wind blades 31, and this chain engages with the gear of motor 33 outputs, is rotated and is driven chain to rotate, and drive multiple wind blades 31 to rotate by motor 33; Also linkage 32 can be set to the connecting rod circumferential fixing with multiple wind blades 31, and on this connecting rod, be arranged at the travelling gear that motor 33 is in transmission connection, rotate and drive connecting rods to rotate by motor 33, thereby the multiple wind blades 31 that make rotate.
Also can single wind blade 31 is corresponding one by one with single motor 33, do not do concrete restriction at this.
The embodiment of the present invention also provides a kind of heat exchanger wind-guiding control method, when heat exchanger during in refrigerating state the wind-guiding wind direction of heat exchanger regulate, comprising:
Step S1: the heat exchange subregion temperature T that detects heat exchanger
n;
Each heat exchange subregion of heat exchanger carries out thermometric, is followed successively by T along the heat exchange subregion temperature of heat exchanger length direction
1, T
2, T
3, n heat exchange subregion temperature is T
n, wherein, n=1,2,3 ...
Heat exchanger comprises multiple heat exchange subregions and arranges along its length, a stream subregion on the corresponding heat exchanger of each heat exchange subregion, be that each heat exchange subregion forms a stream subregion, stream subregion is along heat exchanger length direction layout, and each stream subregion is separate and non-cross; In each stream subregion, have refrigerant inlet pipe and refrigerant and go out pipe, the preferred refrigerant of heat exchange subregion temperature goes out the mouth of pipe temperature of pipe.
S2: calculate heat exchange subregion temperature T
nabsolute difference △ T with preset temperature T
n;
Preset temperature T is set, and calculates the heat exchange subregion temperature T after detecting
nabsolute difference △ T with preset temperature T
n; Preset temperature T is the ideal temperature of the heat exchanger that calculates according to theory.
S3: as △ T
n=︱ T
nwhen-T ︱≤△ T, the wind blade that this heat exchange subregion is corresponding is maintained the statusquo; As △ T
n=︱ T
n-T ︱ > △ T and T
nwhen > T, adjust the angle of inclination of the wind blade corresponding with this heat exchange subregion, to reduce the air quantity of this heat exchange subregion; As △ T
n=︱ T
n-T ︱ > △ T and T
nwhen < T, adjust the angle of inclination of the wind blade corresponding with this heat exchange subregion, to increase the air quantity of this heat exchange subregion;
As △ T
nwhen≤△ T, the cold-producing medium heat transfer effect in this heat exchange subregion is stable, keeps the wind blade that this heat exchange subregion is corresponding.And as △ T
nwhen > △ T, there are two kinds of situations: one is that air quantity is larger, make the cold-producing medium in heat exchange subregion volatilize completely and make its excess Temperature, i.e. T
n> T, now this heat exchange subregion is overheated heat exchange subregion, needs to reduce the air quantity that flows to this heat exchange subregion, to reduce the refrigerant heats volatilization in this heat exchange subregion, thereby reaches cooling effect; Another kind is that air quantity is less, the cold-producing medium in heat exchange subregion can not be volatilized completely, i.e. T
n< T, now this heat exchange subregion, for band liquid heat exchange subregion, needs to increase the air quantity that flows to this heat exchange subregion, to improve the refrigerant heats volatilization in this heat exchange subregion, to improve the volatilization effect of cold-producing medium.By above-mentioned adjusting, improve the heat exchange efficiency of heat exchanger, and then improved air conditioner refrigeration effect and improved air-conditioning efficiency.
It should be noted that, wherein, heat exchange subregion is the region of dividing according to the refrigerant flow path of heat exchanger, and △ T is that allowable temperature is poor; In the time that the wind blade of air inlet is under level, be the wind blade corresponding with this heat exchange subregion with the wind blade of heat exchange subregion in same level.
By adjacent one or several wind blade composition wind blade unit, the heat exchange section post of wind blade unit and heat exchanger stream subregion corresponding one by one.
By above-mentioned control method, make heat exchanger wind-guiding more even, and then improve heat transfer effect.
Further step S1 is specially: after air-conditioning system start operation preset time t, detect the heat exchange subregion temperature T of heat exchanger
n;
Set preset time t, make air-conditioning system after start operation preset time t, reach stable, then the heat exchange subregion of heat exchanger carries out thermometric, and draw heat exchange subregion temperature T
n.
In order to detect the heat exchanger wind-guiding state after adjustment, after step S3, also comprise step S4: after air-conditioning system operation preset interval time △ t, enter step S1;
Maintaining the statusquo and move or the wind blade of the air inlet that is arranged at air-conditioning system is adjusted after the operation at angle of inclination in air-conditioning system, there is change in heat exchanger wind-guiding state.Set preset interval time △ t, after air-conditioning system operation preset interval time △ t, enter step S1, each heat exchange subregion of heat exchanger again thermometric to further adjust.
In another embodiment, after step S3, also comprise step S5: as △ T
n=︱ T
nwhen-T ︱ > △ T, after air-conditioning system operation preset interval time △ t, enter step S1; As △ T
n=︱ T
nwhen-T ︱≤△ T, finish the operation at the angle of inclination that regulates wind blade;
At △ T
n=︱ T
nwhen-T ︱ > △ T, adjust the angle of inclination of wind blade, and enter step S1 thermometric again, until △ T
n=︱ T
nwhen-T ︱≤△ T, finish the operation at the angle of inclination that regulates wind blade.
In step S3, as △ T
n=︱ T
n-T ︱ > △ T and T
nwhen > T, the air quantity that reduces heat exchange subregion is specially: the temperature T of a more adjacent upper heat exchange subregion
n-1temperature T with adjacent next heat exchange subregion
n+1, work as T
n-1> T
n+1time, the angle of inclination of adjustment wind blade, to next adjacent heat exchange subregion guiding air intake wind direction; Work as T
n-1< T
n+1time, the angle of inclination of adjustment wind blade, to an adjacent upper heat exchange subregion guiding air intake wind direction.
Take the second heat exchange subregion as example, the heat exchange subregion temperature of the second heat exchange subregion is T
2, a upper heat exchange subregion adjacent with the second heat exchange subregion is the first heat exchange subregion, the heat exchange subregion temperature of the first heat exchange subregion is T
1, next heat exchange subregion adjacent with the second heat exchange subregion is the 3rd heat exchange subregion, the heat exchange subregion temperature of the 3rd heat exchange subregion is T
3, relatively T
1with T
3, work as T
1> T
3time, the angle of inclination of adjustment wind blade, to the 3rd adjacent heat exchange subregion guiding air intake wind direction; Work as T
1< T
3time, the angle of inclination of adjustment wind blade, to the first adjacent heat exchange subregion guiding air intake wind direction.
It should be noted that, in the first heat exchange subregion, as △ T
1=︱ T
1-T ︱ > △ T and T
1when > T, detect T
2temperature, work as T
2≤ T, the angle of inclination of adjustment wind blade, to the second heat exchange subregion guiding air intake wind direction, works as T
2> T, the angle of inclination of adjustment wind blade, to casing guiding air intake wind direction; In like manner, last group heat exchange subregion T
ntime, detect T
n-1temperature, work as T
n-1≤ T, the angle of inclination of adjustment wind blade, to heat exchange subregion guiding air intake wind direction second from the bottom, works as T
n-1> T, the angle of inclination of adjustment wind blade, to casing guiding air intake wind direction.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.To be apparent for those skilled in the art to the multiple modification of these embodiment, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (14)
1. an air-conditioning internal machine, comprise casing (7) and be arranged at the heat exchanger (6) in described casing (7), described heat exchanger (6) comprises multiple heat exchange subregions of dividing according to refrigerant flow path, it is characterized in that, also comprise and being arranged in described casing (7), for the heat exchanger wind-guiding adjusting device that regulates heat exchanger air intake to distribute;
Described heat exchanger wind-guiding adjusting device comprises:
Setting corresponding to described heat exchange subregion, for measuring the temperature element (4) of described heat exchange subregion temperature;
Wind blade unit (3), the drive unit that described wind blade unit (3) comprises the wind blade (31) being rotatably assorted with described casing (7) and drives described wind blade (31) to rotate;
Described in the temperature data control gathering according to described temperature element (4), drive unit drives the controller (5) that described wind blade (31) rotates.
2. air-conditioning internal machine as claimed in claim 1, is characterized in that, described heat exchanger wind-guiding adjusting device also comprises the support (1) of the air inlet that is arranged on described casing (7), and described wind blade (31) rotates and is arranged on described support (1).
3. air-conditioning internal machine as claimed in claim 2, is characterized in that, described support (1) is fixedly connected with the screen pack (2) of described air-conditioning internal machine.
4. air-conditioning internal machine as claimed in claim 1, is characterized in that, the quantity of described wind blade unit (3) and described wind blade unit (3) and described heat exchange subregion one by one corresponding setting identical with the quantity of described heat exchange subregion.
5. air-conditioning internal machine as claimed in claim 1, is characterized in that, the wind-guiding coincidence value P of adjacent two described wind blade unit (3) is greater than the tube pitch of described heat exchanger and is less than the described tube pitch of 1.5 times;
Wherein, described wind-guiding coincidence value P is the width that adjacent two described wind blade unit (3) guide the coincidence area of extraneous wind on described heat exchanger (6).
6. air-conditioning internal machine as claimed in claim 1, is characterized in that, described temperature element (4) is arranged at the refrigerant exit end of described heat exchange subregion.
7. the air-conditioning internal machine as described in claim 1-6 any one, it is characterized in that, described drive unit comprises the linkage (32) being connected with described wind blade (31) and drives the motor (33) of described linkage (32) motion, described motor (33) and described controller (5) communication connection;
On described linkage (32), be provided with multiple described wind blades (31).
8. a heat exchanger wind-guiding adjusting device, multiple heat exchange subregions of dividing according to refrigerant flow path of heat exchanger (6) carry out wind-guiding, it is characterized in that, comprising:
Be used for the support (1) of the air inlet that is arranged on described air-conditioning internal machine;
With the corresponding setting of described multiple heat exchange subregions, for measuring the temperature element (4) of described heat exchange subregion temperature;
Wind blade unit (3), described wind blade unit (3) comprises the drive unit that rotation is arranged at the wind blade (31) on described support (1) and drives described wind blade (31) to rotate;
Described in the temperature data control gathering according to described temperature element (4), drive unit drives the controller (5) that described wind blade (31) rotates.
9. heat exchanger wind-guiding adjusting device as claimed in claim 8, it is characterized in that, described drive unit comprises the linkage (32) being connected with described wind blade (31) and drives the motor (33) of described linkage (32) motion, described motor (33) and described controller (5) communication connection;
On described linkage (32), be provided with multiple described wind blades (31).
10. a heat exchanger wind-guiding control method, when heat exchanger during in refrigerating state the wind-guiding wind direction of heat exchanger regulate, it is characterized in that, comprise step:
1) each heat exchange subregion temperature T of detection heat exchanger
n;
2) calculate each heat exchange subregion temperature T
nabsolute difference △ T with preset temperature T
n;
3) as △ T
n=︱ T
nwhen-T ︱≤△ T, remain stationary;
As △ T
n=︱ T
n-T ︱ > △ T and T
nwhen > T, adjust the angle of inclination of the wind blade corresponding with this heat exchange subregion, to reduce the air quantity of this heat exchange subregion;
As △ T
n=︱ T
n-T ︱ > △ T and T
nwhen < T, adjust the angle of inclination of the wind blade corresponding with this heat exchange subregion, to increase the air quantity of this heat exchange subregion;
Wherein, described heat exchange subregion is the region of dividing according to the refrigerant flow path of described heat exchanger, and △ T is that allowable temperature is poor.
11. heat exchanger wind-guiding control methods as claimed in claim 10, is characterized in that, described step 1) specifically comprises: after described air-conditioning system start operation preset time t, detect the heat exchange subregion temperature T of heat exchanger
n.
12. heat exchanger wind-guiding control methods as claimed in claim 10, is characterized in that, also comprise step 4) after described step 3): after described air-conditioning system operation preset interval time △ t, enter step 1).
13. heat exchanger wind-guiding control methods as claimed in claim 10, is characterized in that, also comprise step 5): as △ T after described step 3)
n=︱ T
nwhen-T ︱ > △ T, after described air-conditioning system operation preset interval time △ t, enter step 1); As △ T
n=︱ T
nwhen-T ︱≤△ T, finish the operation at the angle of inclination that regulates described wind blade.
14. heat exchanger wind-guiding control methods as claimed in claim 10, is characterized in that, in described step 3), as △ T
n=︱ T
n-T ︱ > △ T and T
nwhen > T, the air quantity that reduces described heat exchange subregion is specially: the temperature T of heat exchange subregion described in more adjacent upper
n-1temperature T with heat exchange subregion described in adjacent next
n+1,
Work as T
n-1> T
n+1time, adjust the angle of inclination of described wind blade, to heat exchange subregion guiding air intake wind direction described in adjacent next;
Work as T
n-1< T
n+1time, adjust the angle of inclination of described wind blade, to heat exchange subregion guiding air intake wind direction described in adjacent upper.
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|---|---|---|---|
| CN201210568126.XA CN103900148B (en) | 2012-12-24 | 2012-12-24 | Air-conditioning internal machine, heat exchanger wind-guiding adjusting means and heat exchanger wind-guiding control method |
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|---|---|---|---|
| CN201210568126.XA CN103900148B (en) | 2012-12-24 | 2012-12-24 | Air-conditioning internal machine, heat exchanger wind-guiding adjusting means and heat exchanger wind-guiding control method |
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| CN103900148B CN103900148B (en) | 2016-08-10 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104807112A (en) * | 2015-05-11 | 2015-07-29 | 广东美的制冷设备有限公司 | Integrated air conditioner and high-temperature refrigeration control method |
| CN105115043A (en) * | 2015-09-23 | 2015-12-02 | 广东美的制冷设备有限公司 | Air-conditioner indoor unit and control method thereof |
| CN112880021A (en) * | 2021-01-25 | 2021-06-01 | 珠海格力电器股份有限公司 | Control device and method of air conditioner and air conditioner |
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| CN202973366U (en) * | 2012-12-24 | 2013-06-05 | 珠海格力电器股份有限公司 | Air conditioner internal unit and heat exchanger air-deflection adjusting device |
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| US20080160903A1 (en) * | 2007-01-02 | 2008-07-03 | Fontana Richard G | Debris trap and filter cover for vent opening |
| CN101900381A (en) * | 2009-05-25 | 2010-12-01 | 乐金电子(天津)电器有限公司 | All-in-one air conditioner |
| CN202973366U (en) * | 2012-12-24 | 2013-06-05 | 珠海格力电器股份有限公司 | Air conditioner internal unit and heat exchanger air-deflection adjusting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104807112A (en) * | 2015-05-11 | 2015-07-29 | 广东美的制冷设备有限公司 | Integrated air conditioner and high-temperature refrigeration control method |
| CN104807112B (en) * | 2015-05-11 | 2017-12-05 | 广东美的制冷设备有限公司 | Integral air conditioner and high-temperature refrigeration control method |
| CN105115043A (en) * | 2015-09-23 | 2015-12-02 | 广东美的制冷设备有限公司 | Air-conditioner indoor unit and control method thereof |
| CN112880021A (en) * | 2021-01-25 | 2021-06-01 | 珠海格力电器股份有限公司 | Control device and method of air conditioner and air conditioner |
| CN112880021B (en) * | 2021-01-25 | 2022-07-22 | 珠海格力电器股份有限公司 | Control device and method of air conditioner and air conditioner |
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| Publication number | Publication date |
|---|---|
| CN103900148B (en) | 2016-08-10 |
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Effective date of registration: 20200624 Address after: Room 317, 416 jingwan Road, Jingan Town, Doumen District, Zhuhai City, Guangdong Province Patentee after: Zhuhai Gree Electromechanical Engineering Co., Ltd Address before: 519070 Jinji West Road, Qianshan, Zhuhai City, Guangdong Province Gree Electric Appliances Inc. of Zhuhai Patentee before: GREE ELECTRIC APPLIANCES Inc. OF ZHUHAI |