CN107166680B - Air conditioner air volume control method - Google Patents
Air conditioner air volume control method Download PDFInfo
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- CN107166680B CN107166680B CN201710484968.XA CN201710484968A CN107166680B CN 107166680 B CN107166680 B CN 107166680B CN 201710484968 A CN201710484968 A CN 201710484968A CN 107166680 B CN107166680 B CN 107166680B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The invention discloses an air conditioner air volume control method, which is characterized in that whether an air volume switching key is pressed again or not is detected within a set time period after the air volume switching key is detected to be pressed; if yes, detecting whether the air volume switching key is pressed again within a set time period after the air volume switching key is pressed this time until the air volume switching key is not pressed again within the set time period after being pressed; then, determining the switched fan air volume gear according to the number of times of pressing the air volume switching key and the set air volume gear switching sequence; controlling the corresponding gear relay to be closed, and operating the fan at the corresponding air quantity gear; therefore, the switching frequency of the gear relay is reduced, the noise generated by frequent switching of the gear relay is reduced, the noise caused by frequent switching of the gear relay due to frequent pressing of the air volume switching button is avoided, the noise during air volume switching is reduced, the comfort of a user is improved, better use experience is achieved, and the service life of the relay is prolonged.
Description
Technical Field
The invention belongs to the technical field of air conditioners, and particularly relates to an air conditioner air volume control method.
Background
The fan of the fan coil is provided with a three-speed motor, and the three-speed motor has three high, medium and low rotating speeds, namely the fan has three high, medium and low wind speeds. And controlling the corresponding high/medium/low gear relay to be attracted, and operating the motor at a high/medium/low gear rotating speed to enable the fan to have a high/medium/low gear wind speed.
When the fan coil is switched on, the gear relay is pulled in and disconnected, and the noise is produced; if the air volume is frequently switched, the noise is obvious, and the user feels uncomfortable; and also reduces the life of the relay.
Disclosure of Invention
The invention provides an air conditioner air volume control method, which reduces noise when air volume is frequently switched.
In order to solve the technical problems, the invention adopts the following technical scheme:
an air conditioner air volume control method comprises the following steps:
(1) detecting whether the air volume switching key is pressed again within a set time period after the air volume switching key is detected to be pressed;
if yes, returning to the step (1);
if not, executing the step (2);
(2) determining the switched fan air volume gear according to the number of times of pressing the air volume switching key and the set air volume gear switching sequence;
(3) and controlling the corresponding gear relay to be closed, and operating the fan at the corresponding air quantity gear.
Further, in the step (1), after the air volume switching key is detected to be pressed, all gear relays are controlled to be turned off.
Still further, the set air volume gear switching sequence is from the highest air volume gear to the lowest air volume gear in sequence, and then from the highest air volume gear to the lowest high air volume gear in sequence.
Furthermore, the air volume gear comprises a first gear, a second gear and a third gear, and the air volume of the first gear is larger than that of the second gear and larger than that of the third gear.
Still further, before the step (1), the control method further includes:
acquiring an air volume gear when an air volume switching key is not pressed;
when the air quantity gear is a first gear or a second gear, the set time period is T1;
when the air quantity gear is the third gear, the set time period is T2; t1 is less than T2.
Preferably, the value range of T1 is 1 s-2 s, and the value range of T2 is 2.5-3.5 s.
Further, before returning to step (1), the control method further includes:
obtaining the number n of times that an air volume switching key is pressed down, and judging whether the number n is greater than a set limit number;
if so, locking the air volume switching key, keeping the original air volume gear of the fan, and resetting the number n; after the unlocking time period is set, unlocking the air volume switching key, and returning to the step (1);
if not, returning to the step (1).
Furthermore, after the air volume switching key is locked, the child lock key is displayed; after the air quantity switching key is unlocked, the child lock key is not displayed.
Furthermore, the value range of the set limit times is 10-15.
Still further, the control method further includes:
when the air conditioner is started to perform heating operation:
judging whether the indoor environment temperature is greater than the set cold-proof air temperature or not;
if so, the indoor fan operates according to the set air volume;
if not, controlling the indoor fan to operate or stop operating according to a first set low air volume, and after a first set time period, controlling the indoor fan to operate according to a set air volume.
Compared with the prior art, the invention has the advantages and positive effects that: the air conditioner air volume control method of the invention, in the setting time quantum after detecting the air volume switches the key to press, detect the air volume switches the key to press again; if yes, detecting whether the air volume switching key is pressed again within a set time period after the air volume switching key is pressed this time until the air volume switching key is not pressed again within the set time period after being pressed; then, determining the switched fan air volume gear according to the number of times of pressing the air volume switching key and the set air volume gear switching sequence; controlling the corresponding gear relay to be closed, and operating the fan at the corresponding air quantity gear; therefore, the control method of the invention reduces the on-off frequency of the gear relay, reduces the noise generated by the frequent on-off of the gear relay, avoids the noise caused by the frequent on-off of the gear relay due to the frequent pressing of the air volume switching button, reduces the noise when the air volume is frequently switched, improves the comfort of users, has better use experience, and prolongs the service life of the relay.
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings.
Drawings
Fig. 1 is a flowchart of an embodiment of an air conditioner air volume control method according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and examples.
The air conditioner comprises an outdoor unit, an indoor unit and a remote controller (such as a wire controller and the like), wherein the remote controller is provided with an air volume switching key used for switching the air volume gear of an indoor fan.
The embodiment provides an air conditioner air volume control method, which specifically comprises the following steps, and is shown in fig. 1.
Step S11: and detecting whether the air volume switching key is pressed again within a set time period after the air volume switching key is detected to be pressed.
If yes, the process returns to step S11. If not, step S12 is executed.
That is, it is detected whether the air volume switching key is pressed again within a set time period after the air volume switching key is pressed, and if so, it is detected whether the air volume switching key is pressed again within the set time period after the air volume switching key is pressed until the air volume switching key is not pressed again within the set time period after the air volume switching key is pressed.
In the present embodiment, in order to avoid the occurrence of a loop in step S11, a limit number of times the airflow rate switching key is pressed is set. Specifically, in S11, it is detected whether the air volume switching button is pressed again within a set time period after the air volume switching button is detected to be pressed, and if so, step S11-1 is executed; if not, step S12 is executed.
S11-1: and obtaining the number n of times of pressing the air volume switching key.
And adding 1 to the number n of times when the air volume switching key is pressed once.
S11-2: and judging whether the number n is greater than a set limit number.
If not, the process returns to step S11.
If yes, go to step S11-3.
S11-3: locking an air quantity switching key, keeping an original air quantity gear of the fan, and resetting the number n; after the unlock time period is set, the airflow rate switching button is unlocked, and the process returns to step S11.
In order to remind a user conveniently, after the air volume switching key is locked, the child lock key is displayed; after the air quantity switching key is unlocked, the child lock key is not displayed.
The value range of the set limit times is 10-15, and within the value range, the phenomenon that the response speed of the air conditioner is influenced due to overlong running time caused by too many times is avoided, and the phenomenon that the normal use of a user is influenced due to overlarge locking frequency caused by too few times is also avoided.
Through the design of S11-1-S11-3, the keys are locked when the air volume switching keys are frequently switched, so that the misoperation of users such as children is avoided, the normal operation of the air conditioner is ensured, and the reliability and the stability of air volume control are improved.
The set limit times for frequent switching of the air volume switching key is set, namely, the working stability of the line controller and the air conditioner is ensured, otherwise, the service life of the relay is influenced, and misoperation can occur.
Step S12: and determining the switched fan air volume gear according to the number of times of pressing the air volume switching key and the set air volume gear switching sequence.
The set air volume gear switching sequence is from the highest air volume gear to the lowest air volume gear in sequence, and then from the highest air volume gear to the lowest high air volume gear in sequence.
In this embodiment, the air volume gear includes a first gear, a second gear and a third gear, the air volume of the first gear > the air volume of the second gear > the air volume of the third gear, that is, the first gear is a high gear, the second gear is a middle gear, and the third gear is a low gear. The air quantity gears are set to be three gears, so that the requirements of users on different air quantities are met, and the situation that the gears are excessively arranged to cause complex control is avoided. The set air volume gear shifting sequence is high gear → middle gear → low gear → high gear → middle gear → low gear, … …, and is circulated in sequence.
And obtaining the current air quantity gear and the number of times of pressing the air quantity switching key, and determining the switched air quantity gear of the fan according to the current air quantity gear, the number of times of pressing the air quantity switching key and the set air quantity gear switching sequence. For example, if the current air volume shift is the high shift and the number of times the air volume switching button is pressed is 2, the switched air volume shift is the low shift.
And after the switched fan air volume gear is determined, resetting n.
Step S13: and controlling the corresponding gear relay to be closed, and operating the fan at the corresponding air quantity gear.
The motor of fan is three-speed motor, and three-speed motor includes three rotational speed control terminal: high-speed terminal, medium-speed terminal, low-speed terminal. The high-speed terminal is connected with the live wire through the normally open contact of high gear relay, and the medium speed terminal is connected with the live wire through the normally open contact of well gear relay, and the low-speed terminal is connected with the live wire through the normally open contact of low gear relay. The air conditioner control panel controls the electrification of the three gear relay coils.
And if the air quantity of the switched fan is determined to be in the high-grade position, controlling a normally open contact of the corresponding high-grade relay to be closed, electrifying the high-speed terminal, and operating the motor in the high-grade position. And if the air volume of the switched fan is determined to be in the middle gear, controlling a normally open contact of a corresponding middle gear relay to be closed, electrifying a middle speed terminal, and operating the motor in the middle gear. And if the air volume of the switched fan is determined to be in a low gear, controlling a normally open contact of a corresponding low-gear relay to be closed, electrifying a low-speed terminal, and operating the motor in the low gear.
In the air conditioner air volume control method of the embodiment, whether the air volume switching key is pressed again is detected within a set time period after the air volume switching key is detected to be pressed; if yes, detecting whether the air volume switching key is pressed again within a set time period after the air volume switching key is pressed this time until the air volume switching key is not pressed again within the set time period after being pressed; then, determining the switched fan air volume gear according to the number of times of pressing the air volume switching key and the set air volume gear switching sequence; and controlling the corresponding gear relay to be closed, and operating the fan at the corresponding air quantity gear. Therefore, the control method of the embodiment reduces the on-off frequency of the gear relay, reduces the noise generated by frequent on-off of the gear relay, avoids the noise caused by frequent on-off of the gear relay due to frequent pressing of the air volume switching button, reduces the noise generated when the air volume is frequently switched, improves the comfort of users, has better use experience, and prolongs the service life of the relay.
In the control method of this embodiment, after detecting that the air volume switching key is pressed, whether the air volume switching key is pressed again within a set time period is detected; if yes, detecting whether the air volume switching key is pressed within a set time period after the air volume switching key is pressed for the last time until the air volume switching key is not pressed again within the set time period after being pressed; determining the switched air volume gear, and controlling the corresponding gear relay to be electrified and closed; that is to say, after detecting that the air volume switching key is pressed, at least a set time period is delayed, and in the set time period, the gear relay does not act, so that the on-off frequency of the gear relay is reduced, and the noise during air volume switching is reduced. Through relay time delay control when the air volume switching key is frequently switched, the response of the relay is not so frequent, and therefore noise is reduced.
Supposing that the air quantity gears comprise a high gear and a low gear, the set time period is 2s, after the air quantity switching key is pressed down, if the air quantity switching key is not pressed down again within 2s, the high/low gear relay is electrified and closed, and the high/low gear of the fan operates; if the air volume switching key is pressed again within 2s, the timer is reset when the air volume switching key is pressed for the time, and whether the air volume key is pressed again within 2s is detected.
In this embodiment, after detecting that the amount of wind switches the button and presses, the coil of all gear relays is controlled and the outage, and the normally open contact of all gear relays breaks off, and the relay does not have the output. By adopting the measures, on one hand, the sound of frequent opening and closing of the relay is reduced; on the other hand, if the original gear relay is not disconnected when the air volume switching key is pressed, after a new air volume gear is determined, the original air volume gear relay is disconnected and the new air volume gear relay is closed at the same time, so that the ignition and contact adhesion of the relay can be caused, and the service life of the relay is damaged.
In this embodiment, before step S11, the control method further includes: acquiring an air volume gear when an air volume switching key is not pressed (namely n is 0); when the air quantity gear is a first gear or a second gear, the set time period is T1; when the air quantity gear is the third gear, the set time period is T2; t1 is less than T2.
The reason is that the fan is an inductive load, the starting currents of high, medium and low gears are different, and the impact on the gear relay is also different, so that when the high gear is switched to the medium gear and the medium gear is switched to the low gear, the set time period is T1; when the low gear is switched to the high gear, the current change is large, the impact on the high gear relay is large, the set time period is large, T2 is obtained, the buffering time is prolonged, and the service life of the high gear relay is further prolonged.
When the air volume gear before switching is the first gear/the second gear, according to the set air volume gear switching sequence, the air volume gear after switching once is the second gear/the third gear, namely the high/medium gear is switched to the medium/low gear, and the set time period is T1.
When the air volume gear before switching is the third gear, according to the set air volume gear switching sequence, the air volume gear after once switching is the first gear, namely the low gear is switched to the high gear, and the set time period is T2.
In this embodiment, the value range of T1 is 1 s to 2s, and the value range of T2 is 2.5 s to 3.5 s. Within the value range, the influence of overlong time on normal air volume switching speed is avoided, and frequent switching of the gear relay and the failure of effective noise reduction caused by overlong time are avoided. In a preferred embodiment of this embodiment, T1 is 2s, and T2 is 3 s.
In order to avoid discomfort to a user caused by cold air blowing when the air conditioner is started for heating, the control method of the embodiment further includes: when the air conditioner is started to perform heating operation:
and acquiring the indoor environment temperature T, and judging whether the indoor environment temperature T is greater than the set cold-proof air temperature.
If so, the indoor fan operates according to the set air volume;
if not, controlling the indoor fan to operate or stop operating according to a first set low air volume, and after a first set time period, controlling the indoor fan to operate according to a set air volume.
For example, the cold prevention temperature is set to 30 ℃ and the first set time period is 5 minutes.
If T is more than 30 ℃, the indoor fan operates according to the set air volume (such as high-grade air volume).
If T is more than 10 ℃ and less than or equal to 30 ℃, the indoor fan operates according to the first set low air volume (such as low-gear air volume); and after 5 minutes, controlling the indoor fan to operate according to the set air volume.
If T is less than or equal to 10 ℃, stopping the indoor fan; and after 5 minutes, controlling the indoor fan to operate according to the set air volume.
In this embodiment, through the above-mentioned design of preventing cold wind, blow off cold wind when preventing that the air conditioner start heats, improved user's travelling comfort, have better use and experience.
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 apparent to those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (8)
1. An air conditioner air volume control method is characterized in that: the control method comprises the following steps:
setting air volume gears comprising a first gear, a second gear and a third gear, wherein the air volume of the first gear is larger than that of the second gear and larger than that of the third gear;
acquiring an air volume gear when an air volume switching key is not pressed; when the air quantity gear is a first gear or a second gear, the set time period is T1; when the air quantity gear is the third gear, the set time period is T2; t1 is less than T2;
(1) detecting whether the air volume switching key is pressed again within a set time period after the air volume switching key is detected to be pressed;
if yes, returning to the step (1);
if not, executing the step (2);
(2) determining the switched fan air volume gear according to the number of times of pressing the air volume switching key and the set air volume gear switching sequence;
(3) and controlling the corresponding gear relay to be closed, and operating the fan at the corresponding air quantity gear.
2. The control method according to claim 1, characterized in that: in the step (1), after the air volume switching key is detected to be pressed down, all gear relays are controlled to be switched off.
3. The control method according to claim 1, characterized in that: the set air volume gear switching sequence is from the highest air volume gear to the lowest air volume gear in sequence, and then from the highest air volume gear to the lowest air volume gear in sequence.
4. The control method according to claim 1, characterized in that: the value range of T1 is 1 s-2 s, and the value range of T2 is 2.5-3.5 s.
5. The control method according to claim 1, characterized in that: before returning to step (1), the control method further includes:
obtaining the number n of times that an air volume switching key is pressed down, and judging whether the number n is greater than a set limit number;
if so, locking the air volume switching key, keeping the original air volume gear of the fan, and resetting the number n; after the unlocking time period is set, unlocking the air volume switching key, and returning to the step (1);
if not, returning to the step (1).
6. The control method according to claim 5, characterized in that: after the air quantity switching key is locked, the child lock key displays; after the air quantity switching key is unlocked, the child lock key is not displayed.
7. The control method according to claim 5, characterized in that: the value range of the set limit times is 10-15.
8. The control method according to claim 1, characterized in that: the control method further comprises the following steps:
when the air conditioner is started to perform heating operation:
judging whether the indoor environment temperature is greater than the set cold-proof air temperature or not;
if so, the indoor fan operates according to the set air volume;
if not, controlling the indoor fan to operate or stop operating according to a first set low air volume, and after a first set time period, controlling the indoor fan to operate according to a set air volume.
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| CN201710484968.XA CN107166680B (en) | 2017-06-23 | 2017-06-23 | Air conditioner air volume control method |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107956730B (en) * | 2017-11-27 | 2019-08-16 | 卫星电子（中山）有限公司 | A kind of fan control system |
| CN108390613A (en) * | 2018-03-21 | 2018-08-10 | 杭州先途电子有限公司 | A kind of multi gear position motor control method and device |
| CN109405207B (en) * | 2018-10-10 | 2021-07-13 | 海信家电集团股份有限公司 | Energy-saving method and device for air conditioner |
| CN113465152A (en) * | 2021-06-02 | 2021-10-01 | 浙江吉利控股集团有限公司 | Air conditioner fan system, control method, air conditioner and storage medium |
| CN114383279A (en) * | 2022-01-04 | 2022-04-22 | 珠海格力电器股份有限公司 | Remote controller, control method, control device, and nonvolatile storage medium |
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| KR101326424B1 (en) * | 2012-01-31 | 2013-11-11 | 쌍용자동차 주식회사 | Apparatus for controlling air conditioner of vehicle and method thereof |
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| CN1306181A (en) * | 2000-01-18 | 2001-08-01 | 广东科龙空调器有限公司 | Air conditioner controller with multifunctional keys |
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