CN112484252A - Mute control method and system of air conditioner - Google Patents
Mute control method and system of air conditioner Download PDFInfo
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- CN112484252A CN112484252A CN202011298422.3A CN202011298422A CN112484252A CN 112484252 A CN112484252 A CN 112484252A CN 202011298422 A CN202011298422 A CN 202011298422A CN 112484252 A CN112484252 A CN 112484252A
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- fan
- air conditioner
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- air
- wind resistance
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000004378 air conditioning Methods 0.000 claims abstract description 5
- 238000001514 detection method Methods 0.000 claims description 20
- 238000012887 quadratic function Methods 0.000 claims description 6
- 230000003068 static effect Effects 0.000 claims description 5
- 230000001276 controlling effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000030279 gene silencing Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—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
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
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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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Fluid Mechanics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a silent sound control method and a system of an air conditioner, belonging to the field of control of silent sound of the air conditioner, wherein the control method comprises the following steps: when the air conditioner is normally started, judging whether the actual temperature reaches the set temperature, and if so, reducing the speed of the air conditioner fan; if not, judging whether the wind resistance reaches a set value, and if so, reducing the speed of the air-conditioning fan; if not, the air conditioner fan raises or keeps the wind speed; then judging whether the actual temperature reaches a set value; whether the actual temperature reaches the set temperature or not and whether the wind resistance reaches the set value or not are judged in real time in the whole control flow, so that the rotating speed of the air conditioner fan is controlled, the noise is reduced, and the experience of a user is improved.
Description
Technical Field
The invention belongs to the field of control of air conditioner silence, and particularly relates to a method and a system for controlling the air conditioner silence.
Background
Along with the change of times, the population base number is continuously increased, the demand of people on substances is higher and higher, the science and technology are developed, and the demand of people on air conditioners is higher and higher in summer and winter. However, the technical aspect of the silence of the air conditioner is always one of the core technologies that the air conditioner manufacturers want to overcome, and is also an important standard for considering whether the air conditioner is qualified or not.
The conventional air conditioner generates certain noise during daily operation. The prior art does not fully consider the problem of noise generated due to the change of wind resistance in the operation process of the air conditioner indoor unit. When the wall-mounted air conditioner indoor unit runs, the running speed of the motor is controlled according to the fixed speed in the whole motor control system, and when the air deflector rotates, the wind resistance changes correspondingly, which is the root cause of the noise increase. And at present, the problem of noise of the air conditioner is not solved by relatively mature air conditioner static sound control.
The invention detects whether the angle of the air deflector of the air conditioner indoor unit is in wind shielding, so that the wind resistance is correspondingly changed, thereby adjusting the given voltage, reducing the wind speed and finally realizing the silent control of the air conditioner.
Disclosure of Invention
The invention provides a silent sound control method and a silent sound control system for an air conditioner, which adopt the setting of voltage on a regulating fan so as to control the air speed of the air conditioner fan and solve the problem of noise caused by wind shielding of an air deflector of an air conditioner indoor unit in the prior art.
The invention provides a silent sound control method of an air conditioner, which comprises the following steps:
step 1: after an air conditioner internal unit is started, a fan is operated;
step 2: judging whether the actual temperature reaches the set temperature;
and step 3: if the actual temperature reaches the set temperature, stopping the air conditioner fan, and returning to the step 2;
and 4, step 4: if the actual temperature does not reach the set temperature, calculating the wind resistance by detecting the angle of the air deflector of the air conditioner;
and 5: when the wind resistance is larger than a set value, the air-conditioning fan reduces the wind speed; when the actual temperature reaches the set temperature, returning to the step 3;
step 6: when the wind resistance is less than or equal to a set value, the air-conditioning fan raises or keeps the wind speed; and when the actual temperature reaches the set temperature, returning to the step 3.
The set temperature was 26 degrees.
Optionally, after the air conditioner runs stably, the angle of the air deflector parallel to the wind direction of the air conditioner is an initial angle;
the initial angle of the air deflector is 0 degree.
Optionally, when the initial angle of the air deflector is 0 °, the air deflector turns upwards or turns downwards, and as the rotation angle increases, the wind resistance increases in turn, and the wind resistance is a unitary quadratic function with an upward opening.
The rotating angle range of the air deflector is [ -60 degrees, +60 degrees ].
The set value of the wind resistance is as follows: 35 Pa.
Optionally, in the step 4, the wind resistance is calculated by detecting the rotation angle of the air deflector of the air conditioner, and is a quadratic function with an upward opening, and the specific form is as follows:
P＝9θ2+30；
when the wind resistance is calculated, P is the wind resistance and the unit is Pa; theta is the angle of rotation of the air deflector in degrees.
The invention also provides a static sound control system of the air conditioner, which is characterized by comprising the following modules:
the fan detection module is used for providing detected fan information to the fan control module;
the air deflector angle detection module is used for acquiring the rotation angle of the air deflector;
the fan driving module is used for driving the motor to rotate;
the fan control module is used for controlling the rotating speed of the motor;
the air deflector angle detection module transmits the rotation angle data to the fan detection module; the fan detection module transmits data to the fan control module; the fan control module can transmit a voltage signal to the fan driving module, the voltage is adjusted through analog quantity, and the fan driving module can transmit a speed signal to the fan, so that the control of the rotating speed is realized.
The invention at least comprises the following beneficial effects:
1. the invention mainly transmits data to a detection module of the fan through a detection device of the rotation angle of the air deflector, so that the fan detection module transmits the data to a fan control module, then a voltage signal is given to a fan driving module through controlling voltage, and finally the fan driving module gives a speed signal to the fan, thereby controlling the rotation speed of the fan to achieve the purpose of silencing.
2. The rotating speed of the air conditioner fan is adjusted by detecting the rotating angle of the air deflector, so that on one hand, the problem of noise of the air conditioner caused by overlarge wind resistance is effectively reduced, and on the other hand, the energy consumption is reduced and the user experience is increased by timely controlling the rotating speed.
Drawings
The features and advantages of the present invention will be more clearly understood by reference to the accompanying drawings, which are illustrative and not to be construed as limiting the invention in any way, and in which:
fig. 1 is a flowchart of a mute control method of an air conditioner according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a static sound control system of an air conditioner according to the present invention;
FIG. 3 is a flow chart showing the operation of the air conditioner according to the present invention;
FIG. 4 is a functional relationship diagram of wind resistance on the wind deflector and rotation angle of the wind deflector according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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 invention provides a mute control method of an air conditioner, as shown in figure 1, the specific method comprises the following steps:
step S1: starting an air conditioner, and starting a fan to run;
step S2: judging whether the actual temperature reaches the set temperature, and if so, executing step S3; if not, go to step S4;
step S3: the speed of the air conditioner fan is reduced, and the step S2 is returned;
step S4: judging whether the wind resistance on the wind deflector reaches a preset value, and if so, executing the step S3; if not, go to step S5;
step S5: the speed of an air conditioner fan or the original speed is kept;
step S6: judging whether the actual temperature reaches the set temperature, if so, returning to the step S3; if not, the process returns to step S4.
The set temperature was 26 degrees.
After the air conditioner operates stably, the angle of the air deflector parallel to the wind direction of the air conditioner is an initial angle;
the initial angle of the air deflector is 0 degree.
Further, when the initial angle of the air deflector is 0 degree, the air deflector turns upwards or turns downwards, and the wind resistance increases sequentially along with the increase of the rotation angle, and is a unitary quadratic function with an upward opening.
The rotating angle range of the air deflector is [ -60 degrees, +60 degrees ].
The set value of the wind resistance is as follows: 35 Pa.
Furthermore, the wind resistance is calculated by detecting the rotation angle of the air deflector of the air conditioner, and is a quadratic function with an upward opening, and the specific form is as follows:
P＝9θ2+30；
further, when the wind resistance is calculated, P is the wind resistance and the unit is Pa; theta is the angle of rotation of the air deflector in degrees.
The present invention provides a static sound control system of an air conditioner, as shown in fig. 2, including:
the air deflector angle detection module 51 is used for acquiring the rotation angle of the air deflector;
a fan detection module 52 for providing detected fan information to the fan control module;
a blower control module 53 for controlling the speed of rotation of the motor
A fan driving module 54 for driving rotation of the motor;
the air deflector angle detection module 51 transmits the rotation angle data to the fan detection module 52; the fan detection module 52 will pass the data to the fan control module 53; the fan control module 53 transmits a voltage signal to the fan driving module 54, the voltage is adjusted by an analog quantity, and the fan driving module 54 transmits a speed signal to the fan, so as to control the rotating speed.
The following is an example:
as shown in fig. 3, the specific process is as follows:
step A1: starting an air conditioner, and starting a fan to run;
step A2: judging whether the actual temperature reaches the set temperature of 26 degrees, and if so, executing the step A3; if not, perform step A4;
step A3: the speed of the air conditioner fan is reduced, and the step A2 is returned;
step A4: judging whether the wind resistance on the wind deflector reaches a preset value of 35 Pa, if so, executing the step A3; if not, perform step A5;
step A5: the speed of an air conditioner fan or the original speed is kept;
step A6: judging whether the actual temperature reaches the set temperature of 26 degrees or not, and returning to the step A3 if the actual temperature reaches the set temperature of 26 degrees; if not, return to step A4.
Fig. 4 is a diagram illustrating a functional relationship between wind resistance on the wind deflector and a rotation angle of the wind deflector in an embodiment. The error of the rotation angle of the air deflector is controlled within +/-5 degrees, and the effectiveness and the control accuracy of the method are proved.
Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope defined by the appended claims.
Claims (6)
1. A silence control method of an air conditioner is characterized by comprising the following steps:
step 1: after an air conditioner internal unit is started, a fan is operated;
step 2: judging whether the actual temperature reaches the set temperature;
and step 3: if the actual temperature reaches the set temperature, stopping the air conditioner fan, and returning to the step 2;
and 4, step 4: if the actual temperature does not reach the set temperature, calculating the wind resistance by detecting the angle of the air deflector of the air conditioner;
and 5: when the wind resistance is larger than a set value, the air-conditioning fan reduces the wind speed; when the actual temperature reaches the set temperature, returning to the step 3;
step 6: when the wind resistance is less than or equal to a set value, the air-conditioning fan raises or keeps the wind speed; and when the actual temperature reaches the set temperature, returning to the step 3.
2. The silence control method of an air conditioner according to claim 1, wherein the set temperature in the step 2 is 26 degrees.
3. The method according to claim 1, wherein after the air conditioner is stably operated in the hollow leveling mode in step 4, an angle of the air deflector parallel to a wind direction is an initial angle, when the initial angle of the air deflector is 0 °, the air deflector is turned upwards or turned downwards, wind resistance is sequentially increased along with increase of a rotation angle, the wind resistance is a unitary quadratic function with an upward opening, and the initial angle of the air deflector is 0 °; the rotating angle range of the air deflector is [ -60 degrees, +60 degrees ]; the set value of the wind resistance is as follows: 35 Pa.
4. The method as claimed in claim 2, wherein the wind resistance calculated in step 4 by detecting the rotation angle of the air deflector of the air conditioner is a quadratic function with an upward opening, and the specific form is as follows:
P＝9θ2+30；
when the wind resistance is calculated, P is the wind resistance and the unit is Pa; theta is the angle of rotation of the air deflector in degrees.
5. A static sound control system of an air conditioner is characterized by comprising the following modules:
the fan detection module is used for providing detected fan information to the fan control module;
the air deflector angle detection module is used for acquiring the rotation angle of the air deflector;
the fan driving module is used for driving the motor to rotate;
the fan control module is used for controlling the rotating speed of the motor;
the fan detection module, the air deflector angle detection module, the fan driving module and the fan control module are sequentially connected.
6. The mute control system of an air conditioner according to claim 5, wherein the air deflector angle detection module transmits rotation angle data to the fan detection module; the fan detection module transmits data to the fan control module; the fan control module can transmit a voltage signal to the fan driving module, the voltage is adjusted through analog quantity, and the fan driving module can transmit a speed signal to the fan, so that the control of the rotating speed is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011298422.3A CN112484252A (en) | 2020-11-18 | 2020-11-18 | Mute control method and system of air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011298422.3A CN112484252A (en) | 2020-11-18 | 2020-11-18 | Mute control method and system of air conditioner |
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| CN112484252A true CN112484252A (en) | 2021-03-12 |
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| CN202011298422.3A Pending CN112484252A (en) | 2020-11-18 | 2020-11-18 | Mute control method and system of air conditioner |
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| CN110345616A (en) * | 2019-07-17 | 2019-10-18 | 芜湖美智空调设备有限公司 | Adjusting method, regulating device and the air conditioner of indoor fan revolving speed |
| CN110388729A (en) * | 2019-07-30 | 2019-10-29 | 珠海格力电器股份有限公司 | Control method of air conditioner air deflector, air conditioner air guiding system and air conditioner |
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2020
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| JP2004293819A (en) * | 2003-03-25 | 2004-10-21 | Mitsubishi Electric Corp | Air conditioner, operation method of indoor unit of air conditioner, and control method of indoor unit of air conditioner |
| CN103629799A (en) * | 2012-08-24 | 2014-03-12 | 珠海格力电器股份有限公司 | Air guide assembly of split wall-mounted air conditioner and air supply control method thereof |
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