CN105157160A - Method for judging control fault of air guide plate of indoor unit of air conditioner - Google Patents
Method for judging control fault of air guide plate of indoor unit of air conditioner Download PDFInfo
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- CN105157160A CN105157160A CN201510391909.9A CN201510391909A CN105157160A CN 105157160 A CN105157160 A CN 105157160A CN 201510391909 A CN201510391909 A CN 201510391909A CN 105157160 A CN105157160 A CN 105157160A
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- wind deflector
- power
- air
- inner blower
- prestored
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Abstract
The invention relates to a method for judging a control fault of an air guide plate of an indoor unit of an air conditioner. The method comprises the following steps that (1) a draught fan in the air conditioner is made to operate at a predetermined rotating speed; (2) the air guide plate is made to move to each command position and stay for a predetermined period of time; (3) the input power Pn of the draught fan in the air conditioner is recorded when the air guide plate is located at each command position, and n is the serial number of the air guide plate; (4) the obtained input powers Pn are ranked; and (5) the obtained rank is compared with a predetermined power rank in an air conditioner controller, and whether the control fault of the air guide plate exists or not is judged. According to the method for judging the control fault of the air guide plate of the indoor unit of the air conditioner, cost is hardly increased, the effect of effectively monitoring the control fault of the air guide plate can be achieved, whether the fault occurs or not can be accurately judged to a large extent, and an obvious progress is achieved compared with the prior art.
Description
Technical field
The present invention relates to the control method of air-conditioning, be specifically related to indoor apparatus of air conditioner wind deflector and control fault judgment method.
Background technology
In prior art, the position control of indoor apparatus of air conditioner wind deflector is a kind of unidirectional opened loop control, and namely controller sends instruction to wind deflector stepper motor, and then stepper motor arranges instruction to perform.But owing to not having feedback information, controller cannot judge whether wind deflector stepper motor is transferred to precalculated position according to instruction by wind deflector.Therefore, when wind deflector controls to break down Time Controller system None-identified, or control according to normal control mode, this can cause the problem such as reliability and comfortableness.
Such as, when the motion damage of generation wind deflector or wind deflector are by situations such as foreign matter block, under the normal control of controller, stepper motor is by instruction action by force, the possibility of result causes the distortion of wind deflector corresponding site or controlling organization, skidding or damages further (damage etc. of the fractureing of such as motion, the fractureing of wind deflector, even stepper motor), and wind deflector cannot carry out wind-guiding by preassigned pattern and cause comfortableness to decline.
But for wind deflector increase checking device then can bring and installs difficulty to form closed-loop control, affects the problems such as attractive in appearance, cost increase, thus cost performance is not high.Thus, the effective ways for wind deflector breakdown judge are not had in prior art so far.
Summary of the invention
In view of the above-mentioned present situation of prior art, the object of the present invention is to provide a kind of indoor apparatus of air conditioner wind deflector to control fault judgment method, it can judge whether wind deflector exists fault in a straightforward manner.This method can not cause the rising of cost substantially.
Above-mentioned purpose is realized by technical scheme below:
A kind of indoor apparatus of air conditioner wind deflector controls fault judgment method, and it comprises the following steps:
(1) air-conditioning inner blower is made to run with predetermined rotating speed;
(2) wind deflector is made to move to each location of instruction and stop predetermined time;
(3) the input power P of wind deflector air-conditioning inner blower when each location of instruction place is recorded
n, wherein n is the numbering of wind deflector position;
(4) each the input power P will obtained
nsort by size;
(5) power prestored in the sequence obtained and air-conditioner controller is sorted compare, judge whether that there is wind deflector controls fault, wherein, the size sequence of the input power of inner blower under each wind deflector position that the power sequence prestored described in records when referring to wind deflector control fault-free.
Preferably, if the sequence obtained is sorted identical with the power prestored in controller, then think that wind deflector controls not break down.
Preferably, if the sequence obtained is sorted different from the power prestored in controller, but sort with the power prestored in controller and conform in the wind deflector position corresponding with minimum power of the peak power in the sequence obtained, and there is not other wind deflector position equal with peak power or minimum power, then think that wind deflector controls not break down.
Preferably, if the sequence obtained is sorted different from the power prestored in controller, and caused by the situation that in the described sequence be not both owing to obtaining, the size order of the performance number that existence two is adjacent is put upside down, then calculate the difference of these two adjacent performance numbers, if difference is in predetermined scope, then think that wind deflector controls not break down.
Preferably, the power sequence prestored described in is that the actual size of inner blower input power when wind deflector is in each position recorded sorts in the Air-conditioner design stage.
Preferably, in the Air-conditioner design stage, during actual measurement, inner blower runs with superpower shelves rotating speed.
Preferably, when judging that wind deflector controls to break down, controller sends fault warning and/or adjustment air conditioning operating mode to user.
Preferably, described predetermined rotating speed is superpower shelves rotating speed.
Preferably, described predetermined time is 15-25s, preferred about 20s.
Preferably, described method inner blower after air-conditioning start powers on just starts to perform after starting by normal logic.
By recording the input power of inner blower under each wind deflector position, the present invention judges that whether the position of wind deflector is correct, and the input power recording inner blower is very easy to realize, and such as, can convert out this input power according to electric current and voltage.Whether the present invention preferably can detect wind deflector in the start moment and can normally run, if detect, wind deflector controls to break down, and operational mode or the protection that can adjust air-conditioning are in time shut down, and cause machine failure to prevent wind deflector fault.The present invention does not almost increase on cost, but can play the effect that effective monitoring wind deflector controls fault, accurately can judge whether fault occurs to a great extent, more obvious than prior art progress.
Accompanying drawing explanation
Fig. 1 is the illustrative diagram of each position for air conditioner air deflector is described;
Fig. 2 is the basic flow sheet of determination methods of the present invention.
Detailed description of the invention
For obtaining comfortable wind direction, indoor apparatus of air conditioner is typically provided with wind deflector (such as sweep wind for left and right, sweep wind up and down).When indoor apparatus of air conditioner wind deflector is in different wind-guiding position, because the degree in the direction and change that it changes wind is different, thus also different to the resistance of wind.Correspondingly, if the rotating speed of inner blower is certain, so the difference of this resistance in air outlet place can cause the power of inner blower to there is difference.If by the power measurement of inner blower out, and compare with concrete wind deflector position, inherently there is certain regularity therebetween.The invention is made based on this regularity just.
Particularly, for the split air conditioner of certain model, under wind deflector controls trouble-free situation (such as in the design phase or after the debugging of new machine is normal), survey the input power P of inner blower when its wind deflector when superpower shelves run is in each position
n(wherein, n is wind deflector Position Number), wherein, actual measurement for wind deflector be the wind deflector sweeping wind up and down, the schematic diagram of its each position is as shown in Figure 1.Measured result is as shown in table 1:
Table 1:
Thus, obtain the rule of inner blower input power size and wind deflector position relationship, such as, by when sorting from big to small, this rule is P
3> P
4> P
5> P
2> P
1.
In table 1, power (unit is W) also can draw according to voltage (unit is V) and phase current (unit is A) according to the following formula:
Actual measurement proves, inner blower input power is same with this rule of wind deflector position relationship is suitable for the wind deflector that level sweeps wind, and is suitable for other operation shelves equally, as long as the rotating speed of inner blower keeps constant.
Therefore, when wind deflector in air-conditioning actual motion controls to break down, such as, when want wind deflector to adjust to position 5 but wind deflector actual cannot in-position 5 or even cannot in-position 4 time, in prior art, owing to not monitoring the closed loop of wind deflector position, also this fault of None-identified, controller is only send instruction to wind deflector drive motors (such as stepper motor), and wind deflector drive motors stops after turning over the angle determined.Now, air-conditioner controller thinks that wind deflector adjusted puts in place, but comfortableness in fact is now obviously nonconforming.
But according to the present invention, above-mentioned fault can be identified.Such as, knowing method for distinguishing can be: air-conditioning inner blower is run, such as, with superpower shelves (X with constant rotating speed
1/ RPM, the range of speeds is such as 1300 ~ 1500 turns/min) run, controller sends instructions to wind deflector drive motors, wind deflector is adjusted to position 1 in turn, position 2, position 3, position 4 and position 5, and (target location reached thought by controller for position after instruction completes, they may be different from actual target location, thus can be described as " location of instruction ") stop predetermined time, such as 20s, also be, inner blower stable operation predetermined time is made at each location of instruction place, (during place, the power of inner blower (such as to record each location of instruction, input power, record by voltage and current), and judge according to this.
Such as, due to wind deflector is actual cannot in-position 4 and position 5, therefore, when the location of instruction 4 and the location of instruction 5, wind deflector physical location may at position 3 place, or between position 3 and position 4 somewhere.Thus, in this case, at the location of instruction 4 and the location of instruction 5 place, the power of inner blower is obviously different from power when wind deflector is physically located in position 4 and position 5, such as, according to above-mentioned rule, and the actual P recorded
4=P
5, and and P
3equal or be slightly less than P
3.By controlling with the wind deflector of surveying above in trouble-free situation, compared with rule, just can judge that wind deflector controls to there is fault.
The breakdown judge mode of other position of wind deflector is similar.
In particular, if wind deflector can not move completely, also namely can not adjust to any position, now, the actual power recorded in each location of instruction place is identical, is easy to thus judge that wind deflector controls to there is fault.
In some cases, can exist inner blower when wind deflector is in different positions power situation relatively (such as, difference within 1W, or within 0.5W).For the position that these power are close, even if in trouble-free situation, also may due to the interference of measure error or other factors, and cause the sequence of the power recorded and the original sequence recorded inconsistent.Therefore, for inner blower power two wind deflector positions relatively, the power sequence of these two positions can be ignored when reality judges.
Such as, if multiple positions of wind deflector have symmetrical relation (deep bead of wind is swept in the left and right of such as indoor machine), when wind deflector moves from centre position to end positions, the size of air outlet place windage by the change of similar rule, such as from large to small or change from small to big.Therefore, the situation that may occur is, to have the wind deflector of 5 positions, position 3 place inner blower power is maximum, position 2 place and position 4 place inner blower power diminish and comparatively close each other, and position 1 place and position 5 place inner blower power continue to diminish and comparatively close each other.
For inner blower power in two wind deflector positions this situation relatively, ignore the sequence of these two positions by following manner: if the inner blower power that (or after the debugging of new machine is normal) tests out when the design phase is P with the arrangement regulation of wind deflector position
3> P
4> P
2> P
5> P
1, wherein P
4and P
2comparatively close, and the rule measured when actual motion is P
3> P
2> P
4> P
5> P
1, also, the position 2 of actual measurement is contrary with the sequence prestored with the inner blower watt level sequence of position 4, now still can think that wind deflector controls fault-free.When specifically judging, P can be compared by controller
4and P
2difference, if this difference is in predetermined scope, such as, within aforesaid 1W or 0.5W, then think can ignore this sequence difference, thus think wind deflector control fault-free.
In addition, in some cases, can also by comparing wind deflector position corresponding to wind deflector position corresponding to peak power and minimum power and the whether consistent impact eliminating error in position in predetermined sequence.Such as, the arrangement regulation prestored is P
3> P
4> P
2> P
5> P
1, and the rule measured when actual motion is P
3> P
2> P
4> P
5> P
1the position 1 corresponding with minimum power due to the position 3 that peak power in these two rules is corresponding conforms to, show that wind deflector actually can adjust to this two positions, and do not exist and rest on one of these two positions and the situation that cannot arrive other position, thus can think now there is not control fault.
Briefly, a kind of indoor apparatus of air conditioner wind deflector of the present invention controls fault judgment method, and it comprises the following steps:
(1) air-conditioning inner blower is made to run with predetermined rotating speed; Preferably run with superpower shelves rotating speed;
(2) wind deflector is made to move to each location of instruction and stop predetermined time, such as about 20s, or such as between 15-25s;
(3) the input power P of wind deflector air-conditioning inner blower when each location of instruction place is recorded
n, wherein n is the numbering of wind deflector position;
(4) each the input power P will obtained
nsort by size, such as, by sorting from big to small or from small to large;
(5) power prestored in the sequence obtained and air-conditioner controller is sorted compare, judge whether that there is wind deflector controls fault, wherein, when the described power sequence prestored refers to that wind deflector controls fault-free, preferably at Air-conditioner design stage (so that stored in controller), the size sequence of the input power of inner blower under (preferably recording under superpower shelves rotating speed) each wind deflector position recorded.
Preferably, if the sequence obtained is sorted identical with the power prestored in controller, then the location of instruction of wind deflector is identical with predetermined target location, thinks that wind deflector controls not break down thus.
Preferably, if the sequence obtained is sorted different from the power prestored in controller, but sort with the power prestored in controller and conform in the wind deflector position corresponding with minimum power of the peak power in the sequence obtained, and there is not other wind deflector position equal with peak power or minimum power, then think that wind deflector controls not break down.
Preferably, if the sequence obtained is sorted different from the power prestored in controller, and caused by the situation that in the described sequence be not both owing to obtaining, the size order of the performance number that existence two is adjacent is put upside down, then calculate the difference of these two adjacent performance numbers, if difference is in predetermined scope, then think that wind deflector controls not break down.Such as, described predetermined scope for being less than 1W, or for being less than 0.5W.
Preferably, when judging that wind deflector controls to break down, controller sends fault warning and/or adjustment air conditioning operating mode to user, such as, stop sweeping wind, stopping changing wind deflector position or shutdown.
Preferably, described determination methods inner blower after air-conditioning start powers on just starts to perform after starting by normal logic.
To sum up, the principle that the present invention utilizes is: inner blower rotating speed one timing, the power of wind deflector inner blower when diverse location has certain difference, and there is certain rule, and this rule can test data draw in the Air-conditioner design stage by experiment.
Particularly, in the Air-conditioner design stage, test inner blower is at superpower shelves (X
1/ RPM) under the inner blower input power of each position, and determine the magnitude relationship of each power, suppose that it meets: P
1> P
2> P
3> P
n, this rule is recorded in air-conditioner controller.
After air-conditioning powers on start first, namely inner blower enters wind deflector breakdown judge pattern after starting according to normal logic, and now inner blower rotating speed is increased to superpower shelves (X
1during/RPM, rotation speed of fan is constant), wind deflector all stops about 20s in each position, the inner blower input power of record wind deflector under each position, draws the watt level rule under each wind deflector position, if this rule tests rule (the i.e. P obtained before meeting
1> P
2> P
3> P
n) then judge that wind deflector controls normally, otherwise, can suspect that wind deflector controls to break down.Now can do further judgement, whether the wind deflector position of such as comparing maximum power value corresponding with minimal power values is consistent with the rule prestored, or compares the difference size of the concrete performance number causing two rules not conform to.Break down if judge, fault warning reminding user should be sent and adjust the running status of air-conditioning, preventing because wind deflector fault causes air conditioner operation troubles.
By recording the input power of inner blower under each wind deflector position, the present invention judges that whether the position of wind deflector is correct, and the input power recording inner blower is very easy to realize, and such as, can convert out this input power according to electric current and voltage.Therefore, the present invention almost not increasing on cost, but the effect that can play that effective monitoring wind deflector controls fault, accurately can judge whether fault occurs to a great extent, more obvious than prior art progress.
Those skilled in the art will readily understand, under the prerequisite of not conflicting, above-mentioned each preferred version freely can combine, superpose.
Be to be understood that, above-mentioned embodiment is only exemplary, and it is nonrestrictive, when not departing from general principle of the present invention, the various obvious or equivalent amendment that those skilled in the art can make for above-mentioned details or replacement, all will be contained in right of the present invention.
Claims (10)
1. indoor apparatus of air conditioner wind deflector controls a fault judgment method, and it comprises the following steps:
(1) air-conditioning inner blower is made to run with predetermined rotating speed;
(2) wind deflector is made to move to each location of instruction and stop predetermined time;
(3) the input power P of wind deflector air-conditioning inner blower when each location of instruction place is recorded
n, wherein n is the numbering of wind deflector position;
(4) each the input power P will obtained
nsort by size;
(5) power prestored in the sequence obtained and air-conditioner controller is sorted compare, judge whether that there is wind deflector controls fault, wherein, the size sequence of the input power of inner blower under each wind deflector position that the power sequence prestored described in records when referring to wind deflector control fault-free.
2. method according to claim 1, wherein, if the sequence obtained is sorted identical with the power prestored in controller, then thinks that wind deflector controls not break down.
3. method according to claim 1, wherein, if the sequence obtained is sorted different from the power prestored in controller, but sort with the power prestored in controller and conform in the wind deflector position corresponding with minimum power of the peak power in the sequence obtained, and there is not other wind deflector position equal with peak power or minimum power, then think that wind deflector controls not break down.
4. method according to claim 1, wherein, if the sequence obtained is sorted different from the power prestored in controller, and caused by the situation that in the described sequence be not both owing to obtaining, the size order of the performance number that existence two is adjacent is put upside down, then calculate the difference of these two adjacent performance numbers, if difference is in predetermined scope, then think that wind deflector controls not break down.
5. the power sequence prestored according to the method one of claim 1-4 Suo Shu, wherein, is that the actual size of inner blower input power when wind deflector is in each position recorded sorts in the Air-conditioner design stage.
6. method according to claim 5, wherein, in the Air-conditioner design stage, during actual measurement, inner blower runs with superpower shelves rotating speed.
7., according to the method one of claim 1-4 Suo Shu, wherein, when judging that wind deflector controls to break down, controller sends fault warning and/or adjustment air conditioning operating mode to user.
8. according to the method one of claim 1-4 Suo Shu, wherein, described predetermined rotating speed is superpower shelves rotating speed.
9. according to the method one of claim 1-4 Suo Shu, wherein, described predetermined time is 15-25s.
10. according to the method one of claim 1-4 Suo Shu, wherein, described method inner blower after air-conditioning start powers on just starts to perform after starting by normal logic.
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| CN201510391909.9A CN105157160B (en) | 2015-07-02 | 2015-07-02 | A kind of indoor apparatus of air conditioner wind deflector controls fault judgment method |
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|---|---|---|---|
| CN201510391909.9A CN105157160B (en) | 2015-07-02 | 2015-07-02 | A kind of indoor apparatus of air conditioner wind deflector controls fault judgment method |
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Cited By (11)
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| CN106680007A (en) * | 2016-12-29 | 2017-05-17 | Tcl空调器(中山)有限公司 | Air conditioner property-test method and equipment thereof |
| CN106705389A (en) * | 2017-03-10 | 2017-05-24 | 珠海格力电器股份有限公司 | Air conditioner air sweeping control method and device and air conditioner |
| CN108266853A (en) * | 2017-12-28 | 2018-07-10 | 珠海格力电器股份有限公司 | A kind of control method of wind deflector, device and air-conditioning |
| CN110736181A (en) * | 2019-10-31 | 2020-01-31 | 珠海格力电器股份有限公司 | Method, device and equipment for detecting abnormity of air guide plate assembly and air conditioner |
| CN111043718A (en) * | 2019-12-31 | 2020-04-21 | Tcl空调器(中山)有限公司 | Wind guide system abnormality detection method, air conditioner and storage medium |
| CN112179420A (en) * | 2020-10-30 | 2021-01-05 | 珠海格力电器股份有限公司 | Detection method and device for air outlet moving part, electronic equipment and heating and ventilation equipment |
| CN112325444A (en) * | 2020-09-29 | 2021-02-05 | 青岛海尔空调器有限总公司 | Method and device for controlling air conditioner and air conditioner |
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| CN114857759A (en) * | 2022-05-26 | 2022-08-05 | 广东开利暖通空调股份有限公司 | Method and device for detecting swing direction of air deflector, air conditioning system and storage medium |
| CN114893883A (en) * | 2022-06-16 | 2022-08-12 | 海信（广东）空调有限公司 | Air conditioner and air deflector closing control method |
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| CN106680007B (en) * | 2016-12-29 | 2019-02-01 | Tcl空调器(中山)有限公司 | Household air-conditioner test method and device |
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| CN111043718B (en) * | 2019-12-31 | 2021-08-03 | Tcl空调器(中山)有限公司 | Wind guide system abnormality detection method, air conditioner and storage medium |
| CN112325444A (en) * | 2020-09-29 | 2021-02-05 | 青岛海尔空调器有限总公司 | Method and device for controlling air conditioner and air conditioner |
| CN112325444B (en) * | 2020-09-29 | 2021-12-21 | 重庆海尔空调器有限公司 | Method and device for controlling air conditioner and air conditioner |
| CN112179420A (en) * | 2020-10-30 | 2021-01-05 | 珠海格力电器股份有限公司 | Detection method and device for air outlet moving part, electronic equipment and heating and ventilation equipment |
| CN112944561A (en) * | 2021-02-09 | 2021-06-11 | 青岛海尔空调电子有限公司 | Control method of air conditioning unit |
| CN114857759A (en) * | 2022-05-26 | 2022-08-05 | 广东开利暖通空调股份有限公司 | Method and device for detecting swing direction of air deflector, air conditioning system and storage medium |
| CN114857759B (en) * | 2022-05-26 | 2023-08-29 | 广东开利暖通空调股份有限公司 | Method and device for detecting swing direction of air deflector, air conditioning system and storage medium |
| CN114893883A (en) * | 2022-06-16 | 2022-08-12 | 海信（广东）空调有限公司 | Air conditioner and air deflector closing control method |
| CN114893883B (en) * | 2022-06-16 | 2024-04-12 | 海信（广东）空调有限公司 | Closing control method for air conditioner and air deflector |
| CN117366784A (en) * | 2023-12-07 | 2024-01-09 | 珠海格力电器股份有限公司 | Abnormality detection method and device for air inlet baffle device, storage medium and air conditioner |
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|---|---|
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