CN111780343A - Air outlet fault detection method and device and air conditioner - Google Patents
Air outlet fault detection method and device and air conditioner Download PDFInfo
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- CN111780343A CN111780343A CN202010555402.3A CN202010555402A CN111780343A CN 111780343 A CN111780343 A CN 111780343A CN 202010555402 A CN202010555402 A CN 202010555402A CN 111780343 A CN111780343 A CN 111780343A
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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
- F24F11/30—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
- F24F11/38—Failure diagnosis
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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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
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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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
Abstract
The invention discloses an air outlet fault detection method and device and an air conditioner. Wherein, the method comprises the following steps: after a baffle at an air outlet of an air conditioner is controlled to be opened for a first preset time, acquiring temperature data at the air outlet; according to the invention, whether the air outlet is shielded or not is judged according to the temperature data, and when the air outlet is shielded, measures can be found and taken in time, so that the influence on the heat exchange effect is avoided.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air outlet fault detection method and device and an air conditioner.
Background
In order to adjust indoor temperature, the air outlet setting of air conditioner is indoor, because in the interior space, article are more, lead to the air outlet to probably be sheltered from, when the air outlet probably is sheltered from or the baffle of air outlet is opened incompletely by debris, can lead to the air conditioner air supply resistance increase and then lead to the heat transfer effect to reduce, can lead to the system pressure too high because the heat transfer is not smooth when serious, trigger system protection makes the unable normal work of air conditioner.
The problem that the air outlet is blocked to lead to the air-out not smooth among the prior art, influence the heat transfer effect has not been proposed at present.
Disclosure of Invention
The embodiment of the invention provides an air outlet fault detection method and device and an air conditioner, and aims to solve the problems that in the prior art, air outlet is not smooth due to the fact that an air outlet is blocked, and the heat exchange effect is affected.
In order to solve the technical problem, the invention provides an air outlet fault detection method, wherein the method comprises the following steps:
after a baffle at an air outlet of an air conditioner is controlled to be opened for a first preset time, acquiring temperature data at the air outlet;
and judging whether the air outlet is shielded or not according to the temperature data.
Further, the temperature data includes a rate of change of temperature at the air outlet.
Further, according to the temperature data judge whether the air outlet is sheltered from, include:
comparing the temperature change rate with a preset threshold, wherein the preset threshold is in a corresponding relation with the current wind gear of the outlet air, and different wind gears correspond to different preset thresholds;
if the temperature change rate is greater than or equal to a preset threshold value, judging that the air outlet is blocked;
and if the temperature change rate is smaller than a preset threshold value, judging that the air outlet is not blocked.
Further, after judging whether the air outlet is blocked according to the temperature data, the method further comprises the following steps:
and if the air outlet is blocked, controlling the air conditioner to stop and simultaneously carrying out fault reminding.
Further, before collecting the temperature data at the air outlet, the method further comprises:
detecting a limit switch signal, wherein the limit switch is arranged on the inner side of an air outlet of the air conditioner;
and judging whether the baffle at the air outlet is completely opened according to the detection result of the limit switch signal, and executing corresponding operation according to the judgment result.
Further, judge whether the baffle of air outlet department is opened completely according to limit switch signal's testing result to carry out corresponding operation according to the judged result, include:
if the limit switch signal is detected, judging that a baffle at the air outlet is completely opened, and triggering and collecting temperature data at the air outlet;
if the limit switch signal is not detected, the baffle at the air outlet is judged not to be completely opened, the control signal for controlling the baffle to be opened is output again after the control baffle is reset, and the control signal is maintained for a second preset time, wherein the second preset time is longer than the first preset time.
Further, after the control signal for controlling the opening of the baffle is output again after the control baffle is reset and maintained for a second preset time, the method further comprises:
judging whether the limit switch signal is detected again;
if the limit switch signal is detected, finishing the air outlet fault detection;
and if the limit switch signal is not detected yet, triggering and collecting the temperature data at the air outlet.
The invention also provides an air-out fault detection device for realizing the air-out fault detection method, which comprises the following steps:
the temperature acquisition module is used for acquiring temperature data at an air outlet after a baffle at the air outlet of the air conditioner is controlled to be opened for a first preset time;
and the judging module is used for judging whether the air outlet is shielded or not according to the temperature data.
Further, the judging module comprises:
the comparison unit is used for comparing the size relation between the temperature change rate at the air outlet and a preset threshold, wherein the preset threshold and the current wind shield of the air outlet have a corresponding relation, and different wind shields correspond to different preset thresholds;
the first judging unit is used for judging that the air outlet is blocked when the temperature change rate is greater than or equal to a preset threshold value;
and the second judging unit is used for judging that the air outlet is not blocked when the temperature change rate is smaller than a preset threshold value.
The invention also provides an air conditioner which comprises the air outlet fault detection device.
The invention also provides a computer readable storage medium, on which a computer program is stored, which when executed by a processor implements the above-mentioned wind-out fault detection method.
By applying the technical scheme of the invention, after a baffle at the air outlet of the air conditioner is controlled to be opened for a first preset time, the temperature data at the air outlet is collected; whether the air outlet is shielded or not is judged according to the temperature data, and when the air outlet is shielded, measures can be found and taken in time, so that the influence on the heat exchange effect is avoided.
Drawings
Fig. 1 is a flowchart of an outlet air fault detection method according to an embodiment of the present invention;
fig. 2 is a flowchart of an outlet air fault detection method according to another embodiment of the present invention;
FIG. 3 is a schematic diagram of the setting position of a limit switch according to an embodiment of the invention;
fig. 4 is a structural diagram of an air outlet fault detection apparatus according to an embodiment of the present invention;
fig. 5 is a structural diagram of an outlet failure detection apparatus according to another embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, and "a plurality" typically includes at least two.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
It should be understood that although the terms first, second, etc. may be used to describe the preset times in the embodiments of the present invention, the preset times should not be limited to these terms. These terms are only used to distinguish between preset times of different lengths. For example, the first preset time may also be referred to as a second preset time, and similarly, the second preset time may also be referred to as a first preset time without departing from the scope of the embodiments of the present invention.
The words "if", as used herein, may be interpreted as "at … …" or "at … …" or "in response to a determination" or "in response to a detection", depending on the context. Similarly, the phrases "if determined" or "if detected (a stated condition or event)" may be interpreted as "when determined" or "in response to a determination" or "when detected (a stated condition or event)" or "in response to a detection (a stated condition or event)", depending on the context.
It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in the article or device in which the element is included.
Alternative embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Example 1
The present embodiment provides a wind-out fault detection method, and fig. 1 is a flowchart of the wind-out fault detection method according to the embodiment of the present invention, and as shown in fig. 1, the wind-out fault detection method includes:
s101, after a baffle at an air outlet of the air conditioner is controlled to be opened for a first preset time, collecting temperature data at the air outlet.
The method comprises the steps of firstly outputting a control signal for controlling the opening of a baffle at an air outlet, waiting for a first preset time to ensure that the baffle has enough time to reach a complete opening state, maintaining the continuous output of the control signal within the first preset time, and under a normal state, after the first preset time, completely opening the baffle at the air outlet, so that an air outlet is completely opened, uniformly discharging hot air or cold air to an indoor space, and adjusting the indoor temperature.
And S102, judging whether the air outlet is shielded or not according to the temperature data.
As described above, if the air outlet is not shielded, the air outlet is smooth, the temperature of the air outlet is normal, but if the air outlet at the air outlet is shielded by impurities or the baffle, the temperature of the air outlet is abnormal, and therefore, whether the air outlet is shielded or not can be judged through the temperature data of the air outlet.
According to the air outlet fault detection method, after a baffle at an air outlet of an air conditioner is controlled to be opened for a first preset time, temperature data at the air outlet are collected; whether the air outlet is shielded or not is judged according to the temperature data, and when the air outlet is shielded, measures can be found and taken in time, so that the influence on the heat exchange effect is avoided.
Example 2
This embodiment provides another kind of air outlet fault detection method, because air outlet department is sheltered from the time, can make exhaust hot air or cold air gather in the wind channel in air outlet department, can not smooth and easy arrange to indoor, lead to the temperature of air outlet department can quick rising or reduce, consequently in this implementation, temperature data is the temperature change rate of air outlet department, when concrete implementation, can gather the temperature of air outlet department in real time through the temperature sensor of temperature setting at air outlet department, calculate the temperature change rate of air outlet department according to the temperature of gathering air outlet department in real time, judge through the temperature change rate of air outlet department whether sheltered from.
Specifically, judge through the temperature change rate of air outlet department whether the air outlet is sheltered from, wherein include: comparing the temperature change rate with a preset threshold, wherein the preset threshold corresponds to a current wind level of the wind, and different wind levels correspond to different preset thresholds, for example, if the wind levels are a first wind level V1, a second wind level V2, and a second wind level V3, and the wind power is sequentially increased, when the wind level is V1, the collected temperature change rate should be compared with a corresponding preset threshold K1; when the wind gear is V2, the collected temperature change rate should be compared with a corresponding preset threshold value K2; when the wind gear is V3, comparing the collected temperature change rate with a corresponding preset threshold value K3, wherein K1, K2 and K3 are sequentially increased; if the temperature change rate is larger than or equal to a preset threshold value, the temperature at the air outlet is indicated to be increased or decreased too fast, and the air outlet is judged to be blocked; if the temperature change rate is smaller than the preset threshold value, the temperature change at the air outlet is normal, and the air outlet is judged not to be shielded.
And if the air outlet is blocked, controlling the air conditioner to stop and simultaneously carrying out fault reminding.
In practical application, the condition that the air outlet is blocked may be caused by a barrier at the air outlet, or may be caused by a motor fault or a transmission mechanism in the air conditioner being stuck, so that the baffle at the air outlet is not completely opened, generally, if the barrier is blocked, manual processing is required, and the baffle cannot be automatically restored, but if the motor or the transmission mechanism in the air conditioner is stuck, the baffle at the air outlet can be completely opened by a resetting method. Therefore, before collecting the temperature data at the air outlet, the air outlet fault detection method further includes: detecting a limit switch signal, wherein the limit switch is arranged on the inner side of an air outlet of the air conditioner; and judging whether the baffle at the air outlet is completely opened according to the detection result of the limit switch signal, and executing corresponding operation according to the judgment result.
Specifically, if the limit switch signal is detected, the baffle at the air outlet is judged to be completely opened, and the temperature data at the air outlet is triggered and collected; if the limit switch signal is not detected, judging that the baffle at the air outlet is not completely opened, controlling the baffle to reset, then outputting a control signal for controlling the baffle to be opened again, and maintaining the output time of the control signal for a second preset time, wherein the second preset time is greater than the first preset time. After the control baffle is reset, outputting a control signal for controlling the baffle to be opened again, and judging whether the limit switch signal is detected again after the control signal is maintained for a second preset time; if the limit switch signal is detected, the fault that the baffle cannot be completely opened is solved by a resetting method, and the air outlet fault detection can be finished; and if the limit switch signal is not detected yet, indicating that the limit switch is out of order or the fault possibly still exists, triggering and collecting the temperature data at the air outlet.
Example 3
This embodiment is applied to air conditioning equipment, in the use, often can be because there is near debris reason such as stack in the air outlet for the air outlet is opened or is closed unusually, when the air outlet is opened, can lead to the air conditioner air supply resistance increase, influences the heat transfer effect, can lead to the system pressure too high because the heat transfer is not smooth when serious, triggers the system protection, makes the unable normal work of air conditioner.
In order to avoid the above situation, the present embodiment provides another wind outlet fault detection method. The present embodiment is described in detail below by taking a heating mode as an example, and fig. 2 is a flowchart of an outlet fault detection method according to another embodiment of the present invention, as shown in fig. 2, the outlet fault detection method includes:
and S1, when the air conditioning system is in the heating mode, the controller controls the air outlet to be opened.
And after the opening instruction is sent out to control the opening of the air outlet, the duration time of the opening instruction is controlled to maintain for T seconds, so that enough time is provided for completely opening the air outlet.
S2, after Ts, judging whether a limit switch signal is detected, if not, executing a step S3; if so, step S5 is performed.
Fig. 3 is a schematic diagram of a setting position of a limit switch according to an embodiment of the present invention, and as shown in fig. 3, the limit switch a is a switch with a spring structure inside, and is arranged inside the air outlet, and when the baffle B at the air outlet is completely opened, the limit switch is triggered to send a signal.
And S3, controlling the baffle of the air outlet to reset, outputting the control signal for controlling the opening of the air outlet again and prolonging the output time of the control signal.
Under the condition that a limit switch signal is not detected, the situation that a motor fault exists or the transmission mechanism is clamped to cause that the baffle at the air outlet is not completely opened is preliminarily judged, so that the baffle at the air outlet is firstly controlled to reset, the control signal for controlling the air outlet to be opened is output again, the output time of the control signal is prolonged, for example, the output time is prolonged to 2T seconds, and whether the situation occurs or not is judged.
And S4, judging whether the limit switch signal is detected again, if not, executing the step S5, and if so, executing the step S8.
S5, the controller detects the temperature at the air outlet in real time, and calculates the temperature rise value at the air outlet in unit time, namely the temperature rise rate K,
and S6, judging whether the temperature rise rate K is larger than or equal to a preset temperature rise rate value, if so, executing the step S7, and if not, returning to the step S5.
And S7, sending a fault prompt and controlling the air conditioner to stop.
Comparing the temperature rise rate v with a preset temperature rise rate value according to the temperature rise rate K and in combination with an operation gear; if the calculated temperature rise rate K is larger than or equal to the corresponding preset value, judging that the air outlet is blocked, limiting the air outlet, sending out a fault prompt and controlling the air conditioner to stop; if the calculated temperature rise rate K is smaller than a corresponding preset value, the air outlet is judged to be not blocked, wherein different wind gears correspond to different preset temperature rise rate values, for example, the wind gears comprise VIs low in、VIn、VHeight of、VSuper-superThen the corresponding preset value of temperature rise rate is KIs low in、KIn、KHeight of、KSuper-super。
And S8, finishing air outlet fault judgment.
If a limit switch signal is detected, the air outlet can be normally opened, the air outlet fault judgment can be finished, and the normal operation of the air conditioner is controlled.
Example 4
This embodiment provides an air outlet fault detection apparatus for implementing the air outlet fault detection method, and fig. 4 is a structural diagram of the air outlet fault detection apparatus according to the embodiment of the present invention, and as shown in fig. 4, the apparatus includes: the temperature acquisition module 10 is used for acquiring temperature data at an air outlet after a baffle at the air outlet of the air conditioner is controlled to be opened for a first preset time, and specifically, the temperature acquisition module 10 comprises a temperature sensor 101 for acquiring the temperature at the air outlet in real time, and a calculation unit 102 for calculating the temperature change rate at the air outlet according to the temperature acquired at the air outlet in real time; and the judging module 20 is used for judging whether the air outlet is shielded according to the temperature change rate at the air outlet.
According to the air outlet fault detection device of the embodiment, through the temperature acquisition module 10, after a baffle at an air outlet of an air conditioner is controlled to be opened for a first preset time, temperature data at the air outlet is acquired; the judgment module 20 is further arranged, whether the air outlet is shielded or not is judged according to the temperature data, and when the air outlet is shielded, measures can be found and taken in time, so that the heat exchange effect is prevented from being influenced.
Example 5
The present embodiment provides another wind fault detection apparatus, fig. 5 is a structural diagram of a wind fault detection apparatus according to another embodiment of the present invention, and as shown in fig. 5, the determining module 20 includes: a comparing unit 201, configured to compare a size relationship between a temperature change rate at the air outlet and a preset threshold, where the preset threshold corresponds to a current wind level of the outlet air, and different wind levels correspond to different preset thresholds; the first judging unit 202 is used for judging that the air outlet is blocked when the temperature change rate is greater than or equal to a preset threshold value; a second determining unit 203, configured to determine that the air outlet is not blocked when the temperature change rate is smaller than a preset threshold.
After judging that the air outlet is blocked, in order to avoid the air conditioner to operate under the abnormal state, the device further comprises: and the control module 30 is used for controlling the air conditioner to stop and simultaneously carrying out fault reminding after the air outlet is judged to be blocked.
The condition that the air outlet is sheltered from may be caused by the obstruction at the air outlet, and may also be caused by the motor failure or the transmission mechanism jamming inside the air conditioner, so that the baffle at the air outlet is not completely opened, generally if the obstruction exists, manual processing is required, and the self-recovery cannot be performed, but if the motor or the transmission mechanism jamming inside the air conditioner, the baffle at the air outlet can be completely opened by a resetting method. Accordingly, the above apparatus further comprises: the detection module 40 is used for detecting a limit switch signal, wherein the limit switch is arranged on the inner side of an air outlet of the air conditioner; and the processing module 50 is used for judging whether the baffle at the air outlet is completely opened or not according to the detection result of the limit switch signal and executing corresponding operation according to the judgment result.
Wherein, the processing module 50 includes: the first processing unit 501 is configured to determine that a baffle at an air outlet is completely opened when the limit switch signal is detected, and trigger to acquire temperature data at the air outlet; the second processing unit 502 is configured to determine that the baffle at the air outlet is not completely opened when the limit switch signal is not detected, control the baffle to reset, and then output a control signal for controlling the baffle to be opened again, and enable the control signal to maintain a second preset time, where the second preset time is greater than the first preset time.
The detection module 40 is further configured to output a control signal for controlling the opening of the baffle again after the control baffle is reset, and determine whether the limit switch signal is detected again after the control signal is maintained for a second preset time.
The processing module 50 is further configured to end the fault detection when the limit switch signal is detected; and triggering and collecting the temperature data at the air outlet when the limit switch signal is not detected.
Example 6
This embodiment provides an air conditioner, including the air-out fault detection device in the above-mentioned embodiment for when the air outlet is sheltered from, in time discover and take measures, avoid producing the influence to the heat transfer effect, guarantee the air conditioner reliable operation.
Example 7
The present embodiment provides a computer-readable storage medium, on which a computer program is stored, wherein the program is executed by a processor to implement the wind-out fault detection method in the above embodiments.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (11)
1. A wind-out fault detection method is characterized by comprising the following steps:
after a baffle at an air outlet of an air conditioner is controlled to be opened for a first preset time, acquiring temperature data at the air outlet;
and judging whether the air outlet is shielded or not according to the temperature data.
2. The method of claim 1, wherein the temperature data comprises a rate of change of temperature at the air outlet.
3. The method of claim 2, wherein determining whether the outlet is blocked according to the temperature data comprises:
comparing the temperature change rate with a preset threshold, wherein the preset threshold is in a corresponding relation with the current wind gear of the outlet air, and different wind gears correspond to different preset thresholds;
if the temperature change rate is greater than or equal to a preset threshold value, judging that the air outlet is blocked;
and if the temperature change rate is smaller than a preset threshold value, judging that the air outlet is not blocked.
4. The method of claim 1, wherein after determining whether the air outlet is blocked according to the temperature data, the method further comprises:
and if the air outlet is blocked, controlling the air conditioner to stop and simultaneously carrying out fault reminding.
5. The method of claim 1, wherein prior to collecting the temperature data at the air outlet, the method further comprises:
detecting a limit switch signal, wherein the limit switch is arranged on the inner side of an air outlet of the air conditioner;
and judging whether the baffle at the air outlet is completely opened according to the detection result of the limit switch signal, and executing corresponding operation according to the judgment result.
6. The method of claim 5, wherein determining whether the flapper at the air outlet is completely opened according to the detection result of the limit switch signal, and performing corresponding operations according to the determination result includes:
if the limit switch signal is detected, judging that a baffle at the air outlet is completely opened, and triggering and collecting temperature data at the air outlet;
if the limit switch signal is not detected, the baffle at the air outlet is judged not to be completely opened, the control signal for controlling the baffle to be opened is output again after the control baffle is reset, and the control signal is maintained for a second preset time, wherein the second preset time is longer than the first preset time.
7. The method of claim 6, wherein after the control signal for controlling the opening of the shutter is re-outputted after the control shutter is reset and maintained for a second preset time, the method further comprises:
judging whether the limit switch signal is detected again;
if the limit switch signal is detected, finishing the air outlet fault detection;
and if the limit switch signal is not detected yet, triggering and collecting the temperature data at the air outlet.
8. A wind-out fault detection apparatus that implements the wind-out fault detection method according to any one of claims 1 to 7, the apparatus comprising:
the temperature acquisition module is used for acquiring temperature data at an air outlet after a baffle at the air outlet of the air conditioner is controlled to be opened for a first preset time;
and the judging module is used for judging whether the air outlet is shielded or not according to the temperature data.
9. The apparatus of claim 8, wherein the determining module comprises:
the comparison unit is used for comparing the size relation between the temperature change rate at the air outlet and a preset threshold, wherein the preset threshold and the current wind shield of the air outlet have a corresponding relation, and different wind shields correspond to different preset thresholds;
the first judging unit is used for judging that the air outlet is blocked when the temperature change rate is greater than or equal to a preset threshold value;
and the second judging unit is used for judging that the air outlet is not blocked when the temperature change rate is smaller than a preset threshold value.
10. An air conditioner characterized by comprising the outlet air fault detection device of claim 8 or 9.
11. A computer-readable storage medium on which a computer program is stored, the program, when executed by a processor, implementing the wind-out fault detection method according to any one of claims 1 to 7.
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| CN112577171A (en) * | 2020-12-15 | 2021-03-30 | 珠海拓芯科技有限公司 | Clothes drying control method and device and air conditioner |
| CN113251565A (en) * | 2021-06-04 | 2021-08-13 | 珠海格力电器股份有限公司 | Air conditioner air outlet control method and device, storage medium, processor and air conditioner |
| CN114087728A (en) * | 2021-11-15 | 2022-02-25 | 珠海格力电器股份有限公司 | Dehumidifier control method and device and dehumidifier |
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