CN111473489A - Control method of air conditioner and air conditioner - Google Patents
Control method of air conditioner and air conditioner Download PDFInfo
- Publication number
- CN111473489A CN111473489A CN202010280597.5A CN202010280597A CN111473489A CN 111473489 A CN111473489 A CN 111473489A CN 202010280597 A CN202010280597 A CN 202010280597A CN 111473489 A CN111473489 A CN 111473489A
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- air
- indoor
- fresh air
- air inlet
- return
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0035—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room
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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
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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 a control method of an air conditioner and the air conditioner, the air conditioner comprises a fresh air inlet, a return air inlet and an air outlet, the fresh air inlet is provided with a first adjusting part for adjusting fresh air inflow of the fresh air inlet, the return air inlet is provided with a second adjusting part for adjusting return air inflow of the return air inlet, the control method comprises the following steps: detecting the indoor environment temperature; calculating an absolute value of a difference between the indoor ambient temperature and the indoor set temperature; according to the absolute value of the difference between the indoor environment temperature and the indoor set temperature, the first adjusting part can be adjusted to adjust the fresh air inflow of the fresh air inlet, and/or the second adjusting part can be adjusted to adjust the return air inflow of the return air inlet. According to the control method of the air conditioner, the indoor temperature can be effectively adjusted while the air conditioner realizes the fresh air function by adjusting at least one of the fresh air inflow and the return air inflow according to the absolute value of the difference value between the indoor environment temperature and the indoor set temperature.
Description
Technical Field
The invention relates to the field of air conditioning equipment, in particular to a control method of an air conditioner and the air conditioner.
Background
In the related technology, the fresh air exchanging device introduces fresh air from the outdoor side to the indoor side, so that the effect of improving the indoor air quality and oxygen content is achieved. However, when the air conditioner in the related art uses the fresh air function, the fresh air function is often provided, and an effective temperature adjusting effect cannot be ensured.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a control method of an air conditioner, which can ensure that the indoor temperature can be effectively regulated while the air conditioner realizes the fresh air function.
The invention also provides an air conditioner.
According to the control method of the air conditioner of the embodiment of the first aspect of the invention, the air conditioner comprises a fresh air inlet which can be communicated with an outdoor environment, a return air inlet which can be communicated with an indoor environment and an air outlet which supplies air to the indoor environment, a first adjusting part which is used for adjusting the fresh air inlet quantity of the fresh air inlet is arranged at the fresh air inlet, and a second adjusting part which is used for adjusting the return air inlet quantity of the return air inlet is arranged at the return air inlet, the control method comprises the following steps: detecting the indoor environment temperature; calculating an absolute value of a difference between the indoor ambient temperature and an indoor set temperature; according to the absolute value of the difference between the indoor environment temperature and the indoor set temperature, the first adjusting part can be adjusted to adjust the fresh air inflow of the fresh air inlet, and/or the second adjusting part can be adjusted to adjust the return air inflow of the return air inlet.
According to the control method of the air conditioner, the indoor environment temperature is detected and compared with the difference value of the indoor set temperature, at least one of the fresh air intake quantity and the return air intake quantity can be adjusted according to the indoor environment temperature and the absolute value of the difference value of the indoor set temperature, the proportion adjustment and distribution of the fresh air and the indoor return air are realized, and the effective adjustment of the indoor temperature can be ensured while the fresh air function of the air conditioner is realized.
According to some embodiments of the present invention, it is determined whether an absolute value of a difference between the indoor ambient temperature and the indoor set temperature is greater than a first set temperature difference, and if the absolute value of the difference between the indoor ambient temperature and the indoor set temperature is greater than the first set temperature difference, the first adjusting part is adjusted to reduce the fresh air intake amount of the fresh air inlet, and/or the second adjusting part is adjusted to increase the return air intake amount of the return air inlet.
Further, if the absolute value of the difference between the indoor environment temperature and the indoor set temperature is not greater than a first set temperature difference and is less than a second set temperature difference, adjusting the first adjusting component to increase the fresh air intake quantity of the fresh air inlet, and/or adjusting the second adjusting component to decrease the return air intake quantity of the return air inlet, wherein the second set temperature difference is not greater than the first set temperature difference; and if the absolute value of the difference value between the indoor environment temperature and the indoor set temperature is not greater than a first set temperature difference and not less than a second set temperature difference, the air conditioner maintains the current running state.
Optionally, the difference between the first set temperature difference and the second set temperature difference is not greater than 1 ℃.
According to some alternative embodiments of the invention, the first set temperature difference has a value in the range of 1-2 ℃.
According to some embodiments of the invention, the fresh air intake amount of the fresh air inlet is adjusted by adjusting the opening degree of the first adjusting part, and/or the return air intake amount of the return air inlet is adjusted by adjusting the opening degree of the second adjusting part.
An air conditioner according to an embodiment of a second aspect of the present invention includes: the air conditioner comprises a shell, a fan and a fan, wherein a fresh air inlet which can be communicated with an outdoor environment, a return air inlet which can be communicated with an indoor environment and an air outlet which supplies air to the indoor are formed in the shell; the first adjusting part is used for adjusting the fresh air inflow of the fresh air inlet and is arranged at the fresh air inlet; the second adjusting part is used for adjusting the air return air inflow of the air return inlet and is arranged at the air return inlet; the heat exchanger part and the fan part are arranged in the shell, and the fan part is used for driving the airflow entering from the fresh air inlet and/or the return air inlet to be discharged from the air outlet; the detection device is used for detecting the indoor environment temperature; the control device is used for adjusting the first adjusting part to adjust the fresh air inflow of the fresh air inlet and/or adjusting the second adjusting part to adjust the return air inflow of the return air inlet according to the absolute value of the difference value between the indoor environment temperature and the indoor set temperature.
According to the air conditioner, the detection device detects the indoor environment temperature and compares the difference value with the indoor set temperature, the control device can adjust at least one of the fresh air intake amount and the return air intake amount according to the indoor environment temperature and the absolute value of the difference value with the indoor set temperature, the proportion adjustment and distribution of the fresh air and the indoor return air are realized, and the effective adjustment of the indoor temperature can be ensured while the fresh air function of the air conditioner is realized.
According to some embodiments of the invention, the first adjusting component comprises a fresh air deflector rotatably arranged at the fresh air inlet, and the fresh air inlet amount of the fresh air inlet can be adjusted by rotating the fresh air deflector.
According to some embodiments of the present invention, the second adjusting part includes a front panel movably disposed at the return air inlet back and forth, the front panel includes a main body panel and a return air grille disposed at one side of the main body panel adjacent to a center of the cabinet, the return air grille extends along a circumferential direction of the main body panel, and an amount of return air introduced into the return air inlet is adjustable by movement of the front panel.
According to some embodiments of the invention, a purifying component for purifying air is arranged at the fresh air inlet, and the purifying component and the first adjusting component are arranged along the flowing direction of the air flow.
According to some embodiments of the present invention, the fresh air inlet is formed at a bottom surface of the cabinet, the return air inlet and the air outlet are both located at a front side of the cabinet, and the air outlet is located at an upper side of the return air inlet.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a flowchart of a control method of an air conditioner according to some embodiments of the present invention;
fig. 2 is a schematic perspective view of an air conditioning indoor unit according to some embodiments of the present invention, in which a front panel is in a first position;
fig. 3 is a schematic perspective view of an air conditioning indoor unit according to some embodiments of the present invention, in which a front panel is in a second position;
FIG. 4 is an enlarged view at A in FIG. 3;
fig. 5 is a schematic cross-sectional view of an indoor unit of an air conditioner according to some embodiments of the present invention, in which the front panel is at a second position and the fresh air deflector is at a maximum opening position;
fig. 6 is a schematic cross-sectional view of an indoor unit of an air conditioner according to some embodiments of the present invention, in which the front panel is at a second position and the fresh air deflector is at a minimum opening position;
fig. 7 is a schematic cross-sectional view of an indoor unit of an air conditioner according to some embodiments of the present invention, in which the front panel is at the second position and the fresh air deflector is at a position having an opening degree between a maximum opening degree and a minimum opening degree.
Reference numerals:
an indoor air-conditioning unit 100;
a housing 1; a fresh air port 11; the first regulating member 111; a fresh air deflector 111 a; an air return opening 12; the second regulating member 121; a front panel 121 a; a main body panel 1211; air return micropores 12111; an air return grille 1212; an air outlet 13;
a heat exchanger component 2;
a fan section 3;
an air outlet air deflector 4;
and a wind sweeping louver 5.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
A control method of an air conditioner according to an embodiment of the present invention is described below with reference to the accompanying drawings.
Referring to fig. 1, 5-7, the control method of the air conditioner according to the first aspect of the present invention includes a fresh air inlet 11 capable of communicating with an outdoor environment, a return air inlet 12 capable of communicating with an indoor environment, and an air outlet 13 for supplying air to an indoor space, wherein a first adjusting component 111 for adjusting the fresh air inlet amount of the fresh air inlet 11 is disposed at the fresh air inlet 11, and a second adjusting component 121 for adjusting the return air inlet amount of the return air inlet 12 is disposed at the return air inlet 12. Indoor air flow can enter the air conditioner from the air return opening 12, and the air flow is discharged to the indoor from the air outlet 13 after heat exchange, so that the indoor temperature is adjusted. Outdoor fresh air can enter the air conditioner from the fresh air inlet 11, and the fresh air can be directly discharged from the air outlet 13 without heat exchange, so that the indoor air quality is improved, and the indoor air is fresh. The fresh air can be discharged from the air outlet 13 after heat exchange in the air conditioner, so that the indoor air quality can be improved, and the indoor temperature can be adjusted.
Alternatively, the air conditioner may be a split type air conditioner, in which case the air conditioner includes an indoor air conditioner 100 and an outdoor air conditioner. For example, the air conditioner may be a split floor type air conditioner, or the air conditioner may be a split wall type air conditioner.
The control method of the air conditioner comprises the following steps:
detecting the indoor environment temperature Ti, wherein a detection device can be arranged at the air return inlet 12 to detect the air return temperature which can be used as the indoor environment temperature Ti as the air return temperature is approximately the same as the indoor environment temperature Ti;
calculating an absolute value of a difference between the indoor ambient temperature Ti and the indoor set temperature T0, where the indoor set temperature T0 may be a temperature set by a user, the calculated absolute value of the difference represents a difference between the current indoor ambient temperature Ti and the indoor set temperature T0, if the absolute value of the difference between the indoor ambient temperature Ti and the indoor set temperature T0 is large, the current indoor ambient temperature Ti and the indoor set temperature T0 are large, and if the absolute value of the difference between the indoor ambient temperature Ti and the indoor set temperature T0 is small, the current indoor ambient temperature Ti approaches the indoor set temperature T0;
the first adjusting part 111 may be adjusted to adjust the fresh air intake amount of the fresh air inlet 11 and/or the second adjusting part 121 may be adjusted to adjust the return air intake amount of the return air inlet 12, according to the absolute value of the difference between the indoor ambient temperature Ti and the indoor set temperature T0.
For example, according to the absolute value of the difference between the indoor ambient temperature Ti and the indoor set temperature T0, the first adjusting part 111 may be adjusted to adjust the fresh air intake amount of the fresh air inlet 11, and the second adjusting part 121 may be kept unchanged; alternatively, the second regulating member 121 may be adjusted to adjust the amount of return air taken in the return air inlet 12, and the first regulating member 111 may be kept constant, according to the absolute value of the difference between the indoor ambient temperature Ti and the indoor set temperature T0; or, the first adjusting part 111 may be adjusted to adjust the fresh air intake amount of the fresh air inlet 11, and the second adjusting part 121 may be adjusted to adjust the return air intake amount of the return air inlet 12, when the first adjusting part 111 and the second adjusting part 121 are adjusted, one of the first adjusting part and the second adjusting part may be adjusted first, and then the other may be adjusted, or the first adjusting part 111 and the second adjusting part 121 may be adjusted at the same time.
For example, when the absolute value of the difference between the indoor ambient temperature Ti and the indoor set temperature T0 is large, the first adjusting part 111 may be adjusted to decrease the fresh air intake amount of the fresh air inlet 11, and/or the second adjusting part 121 may be adjusted to increase the return air intake amount of the return air inlet 12, and the proportion of the fresh air in the outlet air may be decreased, thereby decreasing the absolute value of the difference between the indoor ambient temperature Ti and the indoor set temperature T0, so that the indoor ambient temperature Ti approaches the indoor set temperature T0. When the absolute value of the difference between the indoor ambient temperature Ti and the indoor set temperature T0 is small, the first adjusting part 111 may be adjusted to increase the fresh air intake amount of the fresh air inlet 11, and/or the second adjusting part 121 may be adjusted to decrease the return air intake amount of the return air inlet 12, and the proportion of fresh air in the outlet air may be increased, so that the fresh air intake amount may be increased while the indoor ambient temperature Ti approaches the indoor set temperature T0, and the indoor air quality may be better improved; or, when the difference between the indoor ambient temperature Ti and the indoor set temperature T0 is small, the first adjusting part 111 and the second adjusting part 121 may remain unchanged, and the air conditioner may maintain the current operation state, so that the air conditioner may maintain the indoor ambient temperature Ti close to the indoor set temperature T0 while implementing the fresh air function.
From this, according to the absolute value of the difference between indoor ambient temperature Ti and indoor set temperature T0, the accessible is adjusted at least one in new trend air input and the indoor return air input, can be so that the air conditioner when realizing the new trend function, can guarantee to adjust indoor temperature effectively.
The adjustment of the first adjusting component 111 and the second adjusting component 121 to adjust the corresponding intake air amount can be achieved by adjusting the opening degree of the first adjusting component 111 and the opening degree of the second adjusting component 121, and can also be achieved by adjusting the air suction capacity of the first adjusting component 111 and the air suction capacity of the second adjusting component 121.
For example, when adjusting the respective intake air amounts by adjusting the opening degrees of the first adjusting part 111 and the second adjusting part 121, the first adjusting part 111 and the second adjusting part 121 may include the following settings.
The first adjusting part 111 may include a rotatable fresh air deflector 111a, the fresh air deflector 111a rotates to open or close the fresh air opening 11, and may adjust an opening degree of the fresh air opening 11, and adjust an amount of fresh air intake by adjusting the opening degree of the fresh air deflector 111 a. When the fresh air deflector 111a rotates to the maximum opening, the fresh air intake amount is maximum, and when the fresh air deflector 111a rotates to the minimum opening, the fresh air intake amount is minimum or the fresh air opening 11 is closed. When the absolute value of the difference between the indoor ambient temperature Ti and the indoor set temperature T0 is small, the fresh air deflector 111a can be rotated to a large opening degree, and the fresh air intake amount is increased, so that the air conditioner can efficiently intake fresh air. When the absolute value of the difference between the indoor ambient temperature Ti and the indoor set temperature T0 is large, the fresh air deflector 111a can be rotated to a small opening or the fresh air inlet 11 can be closed, so that the fresh air intake amount is reduced, and the influence of the outdoor ambient temperature on the indoor environment is reduced, so that the indoor temperature of the air conditioner can be adjusted remarkably. When the absolute value of the difference between the indoor ambient temperature Ti and the indoor set temperature T0 is small, the current fresh air intake amount can be maintained, that is, the current opening degree of the fresh air deflector 111a is maintained, and the indoor ambient temperature is stably adjusted while taking account of the fresh air intake of the air conditioner.
The second adjusting part 121 may include a front panel 121a capable of moving back and forth, the front panel 121a may be hidden in the casing 1 or extend out of the casing 1 by moving the front panel 121a, a return air grille 1212 is provided on a side surface of the front panel 121a, when the front panel 121a extends out of the casing 1, the return air grille 1212 is exposed out of the casing 1, and by controlling a position of the front panel 121a, a return air area of the return air grille 1212 exposed out of the casing 1 may be changed, so that an opening degree of the second adjusting part 121 may be adjusted to adjust an amount of return air intake of the return air inlet 12.
When the absolute value of the difference between the indoor ambient temperature Ti and the indoor set temperature T0 is small, the front panel 121a may be moved so that the return air area of the return air grill 1212 is small, thereby reducing the opening degree of the second regulating member 121 and reducing the return air intake amount. When the absolute value of the difference between the indoor ambient temperature Ti and the indoor set temperature T0 is large, the front panel 121a may be moved so that the return air area of the return air grill 1212 is large, thereby increasing the opening degree of the second adjusting part 121 and accelerating the circulation of the indoor air to rapidly adjust the indoor temperature of the air conditioner. When the absolute value of the difference between the indoor ambient temperature Ti and the indoor set temperature T0 is small, the current air return air inflow amount, that is, the air return area of the air return grille 1212, that is, the opening degree of the second adjusting part 121, can be maintained, and the indoor ambient temperature is stably adjusted while taking account of the fresh air intake of the air conditioner.
For another example, when the corresponding air intake amount can be adjusted by adjusting the air suction capacity of the first adjusting part 111 and the air suction capacity of the second adjusting part 121, the first adjusting part 111 may include a fresh air blower for drawing fresh air into the casing 1, and the fresh air intake amount may be adjusted by adjusting the rotation speed of the fresh air blower, and the second adjusting part 121 may include a return air blower for drawing indoor air into the casing 1, and the return air intake amount may be adjusted by adjusting the rotation speed of the return air blower.
In other embodiments, the opening degree and the air suction capability of the first adjusting part 111 and the second adjusting part 121 can be adjusted to realize the corresponding adjustment of the air intake amount.
According to the control method, at least one of the fresh air intake amount and the return air intake amount can be adjusted according to the indoor environment temperature and the absolute value of the difference value of the indoor environment temperature and the indoor set temperature by detecting the indoor environment temperature Ti and comparing the difference value with the indoor set temperature T0, so that the proportion adjustment and distribution of the fresh air and the indoor return air are realized, and the effective adjustment of the indoor temperature can be ensured while the fresh air function of the air conditioner is realized.
Referring to fig. 1, 5-7, according to some embodiments of the present invention, it is determined whether the absolute value of the difference between the indoor ambient temperature Ti and the indoor set temperature T0 is greater than the first set temperature difference T1, and if the absolute value of the difference between the indoor ambient temperature Ti and the indoor set temperature T0 is greater than the first set temperature difference T1, the first adjusting part 111 is adjusted to decrease the fresh air intake amount of the fresh air inlet 11, and/or the second adjusting part 121 is adjusted to increase the return air intake amount of the return air inlet 12, so that the ratio of the fresh air in the outlet air can be decreased, thereby decreasing the absolute value of the difference between the indoor ambient temperature Ti and the indoor set temperature T0, and making the indoor ambient temperature Ti closer to the indoor set temperature T0. For example, the first adjusting part 111 may be adjusted to decrease the fresh air intake amount of the fresh air opening 11; alternatively, the second adjusting part 121 may be adjusted to increase the amount of return air taken in the return air inlet 12; alternatively, the first adjusting part 111 may be adjusted to decrease the fresh air intake amount of the fresh air inlet 11, and the second adjusting part 121 may be adjusted to increase the return air intake amount of the return air inlet 12. Through setting up first difference in temperature T1 that sets for, can avoid the air conditioner when realizing the new trend function, can' T guarantee the indoor temperature control effect to make control method have more feasibility and accuracy, the air conditioner can be according to the absolute value size of the difference of indoor ambient temperature Ti and indoor temperature T0 that sets for at that time, the proportion distribution of quick adjustment new trend and return air has improved the air conditioner and has improved the effect of indoor temperature and provide fresh air.
Referring to fig. 1, 5-7, further, if the absolute value of the difference between the indoor ambient temperature Ti and the indoor set temperature T0 is not greater than the first set temperature difference T1 and less than the second set temperature difference T2, the first adjusting part 111 is adjusted to increase the fresh air intake amount of the fresh air inlet 11, and/or the second adjusting part 121 is adjusted to decrease the return air intake amount of the return air inlet 12, thereby providing more fresh air to the room when the indoor ambient temperature Ti approaches the indoor set temperature T0. For example, the first adjusting part 111 is adjusted to increase the fresh air intake amount of the fresh air opening 11; alternatively, the second adjusting part 121 is adjusted to reduce the amount of return air taken in the return air inlet 12; alternatively, the first adjusting part 111 is adjusted to increase the fresh air intake amount of the fresh air inlet 11, and the second adjusting part 121 is adjusted to decrease the return air intake amount of the return air inlet 12. Wherein the second set temperature differential T2 is not greater than the first set temperature differential T1. If the absolute value of the difference between the indoor ambient temperature Ti and the indoor set temperature T0 is not greater than the first set temperature difference T1 and not less than the second set temperature difference T2, the air conditioner maintains the current operation state (i.e., the first and second adjusting parts 111 and 121 maintain the current state).
When the second set temperature difference T2 is equal to the first set temperature difference T1, the fresh air ratio of the air conditioner is reduced if the absolute value of the difference between the indoor ambient temperature Ti and the indoor set temperature T0 is greater than the first set temperature difference T1, the indoor return air ratio of the air conditioner is reduced if the absolute value of the difference between the indoor ambient temperature Ti and the indoor set temperature T0 is less than the first set temperature difference T1, and the current operating state of the air conditioner is maintained if the absolute value of the difference between the indoor ambient temperature Ti and the indoor set temperature T0 is equal to the first set temperature difference T1. When the second set temperature difference T2 is smaller than the first set temperature difference T1, the first set temperature difference T1 and the second set temperature difference T2 form a temperature interval, and when the absolute value of the difference between the indoor ambient temperature Ti and the indoor set temperature T0 is in the temperature interval, the current running state of the air conditioner is maintained, so that the air conditioner stably adjusts the indoor ambient temperature while taking fresh air into account.
Referring to fig. 1, 5-7, optionally, the first set temperature differential T1 differs from the second set temperature differential T2 by no more than 1 ℃. Through prescribing the difference that the difference T1 and the second set temperature difference T2 was prescribed a limit to in suitable range with first setting temperature difference T1 for first setting temperature difference T1 is less with the temperature interval span that the second set temperature difference T2 formed, can adjust at least one in return air intake flow and the new trend air intake flow more accurately, thereby can realize better when the new trend function guarantees indoor air quality, can guarantee that indoor ambient temperature Ti keeps in indoor near of setting for temperature T0.
Referring to fig. 1, 5-7, according to some alternative embodiments of the present invention, the first set temperature differential T1 may range from 1-2 ℃, for example, the first set temperature differential T1 may be 1.5 ℃. Through prescribing the difference in temperature T1 with first and prescribing a limit to in suitable range, be favorable to indoor ambient temperature Ti to be close indoor settlement temperature T0 more, can improve the effect that the air conditioner adjusted indoor temperature, compromise the function to providing the new trend indoor simultaneously.
Referring to fig. 2 to 4, an air conditioner according to an embodiment of the present invention includes a cabinet 1, a first adjusting part 111, a second adjusting part 121, a heat exchanger part 2, a fan part 3, and a control device, wherein the cabinet 1 is formed with a fresh air inlet 11 that can communicate with an outdoor environment, a return air inlet 12 that can communicate with an indoor environment, and an air outlet 13 that supplies air to an indoor. The first adjusting part 111 is used for adjusting the fresh air intake amount of the fresh air opening 11, and the first adjusting part 111 is arranged at the fresh air opening 11. The second adjusting component 121 is used for adjusting the air return inlet quantity of the return air inlet 12, and the second adjusting component 121 is arranged at the return air inlet 12. The heat exchanger part 2 and the fan part 3 are arranged in the casing 1, and the fan part 3 is used for driving the airflow entering from the fresh air inlet 11 and/or the return air inlet 12 to be discharged from the air outlet 13.
An air outlet channel can be limited in the machine shell 1, the fresh air inlet 11, the return air inlet 12 and the air outlet 13 are all communicated with the air flow channel, the fan component 3 and the heat exchanger component 2 can be arranged in the air flow channel, the fan component 3 can drive outdoor fresh air to enter the air flow channel from the fresh air inlet 11 and exchange heat with the heat exchanger component 2, and then the fan component 3 drives fresh air after heat exchange to be discharged from the air outlet 13. The fan component 3 can also drive indoor airflow to enter the airflow channel from the air return opening 12 and exchange heat with the heat exchanger component 2, and then the fan component 3 drives the airflow after heat exchange to be discharged from the air outlet 13. The fresh air entering the airflow channel from the fresh air port 11 can be directly discharged to the indoor through the air outlet 13 without heat exchange.
Further, the air conditioner may further include an air outlet guide plate 4 and a wind sweeping louver 5. The air outlet deflector 4 may be disposed at the air outlet 13, the air outlet deflector 4 may open and close the air outlet 13, and the air outlet deflector 4 may adjust an air outlet angle of the indoor unit 100 of the air conditioner in an up-down direction. The air-sweeping louver 5 is arranged in an air outlet channel of the air conditioner, the air-sweeping louver 5 can be positioned on the inner side of the air outlet air deflector 4 (the inner side refers to the side of the air-sweeping louver 5, which is close to the center of the indoor unit 100 of the air conditioner, of the air outlet air deflector 4), and the air-sweeping louver 5 can adjust the air outlet angle of the indoor unit 100 of the air conditioner in the left-right direction.
The detection device is used for detecting the indoor environment temperature Ti, and the detection device can be a temperature sensor. The detection device is electrically connected with the control device, the detection device can transmit the detected indoor environment temperature Ti to the control device, and the control device can calculate the absolute value of the difference between the indoor environment temperature Ti and the indoor set temperature T0. And, the control device is used for adjusting the first adjusting part 111 to adjust the fresh air intake quantity of the fresh air inlet 11 and/or adjusting the second adjusting part 121 to adjust the return air intake quantity of the return air inlet 12 according to the absolute value of the difference value between the indoor environment temperature Ti and the indoor set temperature T0.
For example, according to the absolute value of the difference between the indoor ambient temperature Ti and the indoor set temperature T0, the first adjusting part 111 may be adjusted to adjust the fresh air intake amount of the fresh air inlet 11, and the second adjusting part 121 may be kept unchanged; alternatively, the second regulating member 121 may be adjusted to adjust the amount of return air taken in the return air inlet 12, and the first regulating member 111 may be kept constant, according to the absolute value of the difference between the indoor ambient temperature Ti and the indoor set temperature T0; or, the first adjusting part 111 may be adjusted to adjust the fresh air intake amount of the fresh air inlet 11, and the second adjusting part 121 may be adjusted to adjust the return air intake amount of the return air inlet 12, when the first adjusting part 111 and the second adjusting part 121 are adjusted, one of the first adjusting part and the second adjusting part may be adjusted first, and then the other may be adjusted, or the first adjusting part 111 and the second adjusting part 121 may be adjusted at the same time.
For example, when the absolute value of the difference between the indoor ambient temperature Ti and the indoor set temperature T0 is large, the first adjusting part 111 may be adjusted to decrease the fresh air intake amount of the fresh air inlet 11, and/or the second adjusting part 121 may be adjusted to increase the return air intake amount of the return air inlet 12, and the proportion of the fresh air in the outlet air may be decreased, thereby decreasing the absolute value of the difference between the indoor ambient temperature Ti and the indoor set temperature T0, so that the indoor ambient temperature Ti approaches the indoor set temperature T0. When the absolute value of the difference between the indoor ambient temperature Ti and the indoor set temperature T0 is small, the first adjusting part 111 may be adjusted to increase the fresh air intake amount of the fresh air inlet 11, and/or the second adjusting part 121 may be adjusted to decrease the return air intake amount of the return air inlet 12, and the proportion of fresh air in the outlet air may be increased, so that the fresh air intake amount may be increased while the indoor ambient temperature Ti approaches the indoor set temperature T0, and the indoor air quality may be better improved; or, when the difference between the indoor ambient temperature Ti and the indoor set temperature T0 is small, the first adjusting part 111 and the second adjusting part 121 may remain unchanged, and the air conditioner may maintain the current operation state, so that the air conditioner may maintain the indoor ambient temperature Ti close to the indoor set temperature T0 while implementing the fresh air function.
From this, according to the absolute value of the difference between indoor ambient temperature Ti and indoor set temperature T0, the accessible is adjusted at least one in new trend air input and the indoor return air input, can be so that the air conditioner when realizing the new trend function, can guarantee to adjust indoor temperature effectively.
The adjustment of the first adjusting component 111 and the second adjusting component 121 to adjust the corresponding intake air amount can be achieved by adjusting the opening degree of the first adjusting component 111 and the opening degree of the second adjusting component 121, and can also be achieved by adjusting the air suction capacity of the first adjusting component 111 and the air suction capacity of the second adjusting component 121. When the corresponding air inflow is adjusted by adjusting the air suction capacity of the first adjusting part 111 and the air suction capacity of the second adjusting part 121, the first adjusting part 111 may include a fresh air fan for sucking fresh air into the casing 1, and may adjust the fresh air inflow by adjusting the rotation speed of the fresh air fan, and the second adjusting part 121 may include a return air fan for sucking indoor air into the casing 1, and may adjust the return air inflow by adjusting the rotation speed of the return air fan.
In other embodiments, the opening degree and the air suction capability of the first adjusting part 111 and the second adjusting part 121 can be adjusted to realize the corresponding adjustment of the air intake amount.
According to the air conditioner, the detection device detects the indoor environment temperature Ti and compares the difference with the indoor set temperature T0, the control device can adjust at least one of the fresh air intake quantity and the return air intake quantity according to the absolute value of the difference, the proportion adjustment and distribution of fresh air and indoor return air are realized, and the effective adjustment of the indoor temperature can be ensured while the fresh air function of the air conditioner is realized.
Referring to fig. 2 to 7, according to some embodiments of the present invention, the first adjusting member 111 includes a fresh air deflector 111a rotatably disposed at the fresh air inlet 11, for example, the first adjusting member 111 includes a plurality of fresh air deflectors 111a extending in a left-right direction and arranged in a front-back direction, and each of the fresh air deflectors 111a can rotate. The fresh air inlet amount of the fresh air opening 11 can be adjusted through rotation of the fresh air deflector 111a, the fresh air deflector 111a can rotate to open and close the fresh air opening 11, and the opening degree of the fresh air opening 11 can be adjusted through the fresh air deflector 111a, so that the fresh air inlet amount of the fresh air opening 11 is adjusted, and the first adjusting part 11 is simple in structure and convenient to control.
When the fresh air deflector 111a rotates to the maximum opening, the fresh air intake amount is maximum, and when the fresh air deflector 111a rotates to the minimum opening, the fresh air intake amount is minimum or the fresh air opening 11 is closed. When the absolute value of the difference between the indoor ambient temperature Ti and the indoor set temperature T0 is small, the fresh air deflector 111a can be rotated to a large opening degree, and the fresh air intake amount is increased, so that the air conditioner can efficiently intake fresh air. When the absolute value of the difference between the indoor ambient temperature Ti and the indoor set temperature T0 is large, the fresh air deflector 111a can be rotated to a small opening or the fresh air inlet 11 can be closed, so that the fresh air intake amount is reduced, and the influence of the outdoor ambient temperature on the indoor environment is reduced, so that the indoor temperature of the air conditioner can be adjusted remarkably. When the absolute value of the difference between the indoor ambient temperature Ti and the indoor set temperature T0 is small, the current fresh air intake amount can be maintained, that is, the current opening degree of the fresh air deflector 111a is maintained, and the indoor ambient temperature is stably adjusted while taking account of the fresh air intake of the air conditioner.
In the present invention, the term "plurality" means two or more.
Referring to fig. 2 to 7, according to some embodiments of the present invention, the second adjusting member 121 includes a front panel 121a provided at the return air inlet 12 to be movable forward and backward, and the front panel 121a includes a body panel 1211 and a return air grill 1212. The return air grill 1212 is provided on a side of the main body 1211 adjacent to the center of the casing 1, and the return air grill 1212 extends in the circumferential direction of the main body 1211, for example, the return air grill 1212 may be formed in a ring shape extending in the circumferential direction of the main body 1211, the front panel 121a may be moved between a first position and a second position, and when the front panel 121a is in the first position, the return air grill 1212 is hidden in the casing 1; when the front panel 121a is in the second position, the return air grille 1212 extends out of the cabinet 1. By moving the front panel 121a, the return air area of the return air grille 1212 extending out of the casing 1 is changed, so that the opening degree of the second adjusting member 121 can be adjusted to adjust the amount of return air taken from the return air inlet 12.
For example, when the absolute value of the difference between the indoor ambient temperature Ti and the indoor set temperature T0 is small, the front panel 121a may be moved so that the return air area of the return air grill 1212 is small, thereby reducing the opening degree of the second regulating member 121 and reducing the return air intake amount. When the absolute value of the difference between the indoor ambient temperature Ti and the indoor set temperature T0 is large, the front panel 121a may be moved so that the return air area of the return air grill 1212 is large, thereby increasing the opening degree of the second adjusting part 121 and accelerating the circulation of the indoor air to rapidly adjust the indoor temperature of the air conditioner. When the absolute value of the difference between the indoor ambient temperature Ti and the indoor set temperature T0 is small, the current air return air inflow amount, that is, the air return area of the air return grille 1212, that is, the opening degree of the second adjusting part 121, can be maintained, and the indoor ambient temperature is stably adjusted while taking account of the fresh air intake of the air conditioner.
Alternatively, referring to fig. 2 to 4, a plurality of return air holes 12111 may be formed in the main body 1211 to increase the area and amount of return air, thereby allowing the return air to flow through the main body 1211 and into the air conditioner, and preventing foreign materials from entering the air conditioner from the main body 1211. When the front panel 121a is in the first position, the return air grille 1212 is hidden in the casing 1, and the indoor return air can enter the indoor unit 100 through the return air holes 12111 of the main body 1211. When the front panel 121a is in the second position, the return air grille 1212 extends out of the casing 1, and the indoor return air can flow through the return air grille 1212 and the plurality of return air holes 12111 of the main body 1211 into the casing 1.
Referring to fig. 7, according to some embodiments of the present invention, a purifying component for purifying air is disposed at the fresh air inlet 11, and the purifying component and the first adjusting component 111 are arranged along the flowing direction of the air flow, so as to effectively filter and purify the fresh air outdoors, thereby improving the indoor air quality. For example, the cleaning member may be a filter screen, the cleaning member may be located inside the first adjusting member 111 (the inside of the first adjusting member 111 refers to a side of the first adjusting member 111 adjacent to the center of the indoor unit 100 of the air conditioner), and the cleaning member may filter dust in the air flowing through the fresh air opening 11.
Referring to fig. 2 to 7, according to some embodiments of the present invention, the fresh air opening 11 is formed in the bottom surface of the cabinet 1, the fresh air opening 11 may extend in the left-right direction, the fresh air opening 11 may directly communicate with the outdoor environment without perforating a wall, fresh air enters the indoor unit 100 from the bottom of the cabinet 1, the return air opening 12 and the outlet opening 13 are both located at the front side of the cabinet 1, the outlet opening 13 is located at the upper side of the return air opening 12, indoor return air enters the indoor unit 100 from the front side of the cabinet 1, and the outlet air of the indoor unit 100 is discharged from the outlet opening 13 upward and forward. The design abandons the traditional pipe induced air mode, on the one hand need not to beat wall hole and pipeline induced air, and the installation form is simple, and on the other hand can accomplish big fresh air volume, does not receive the restraint of pipe diameter, makes new trend, return air and air-out mutually noninterfere simultaneously, and the air-out can reach indoor higher position, effectively improves indoor air quality and adjusts indoor temperature.
An air conditioner and a control method thereof according to an embodiment of the present invention will be described below with reference to fig. 1 to 7, in which the air conditioner is a split wall type air conditioner including an indoor unit 100 and an outdoor unit. The indoor unit of air conditioner 100 includes: the air conditioner comprises a machine shell 1, a heat exchanger component 2, a fan component 3, a control device, a first adjusting component 111, a second adjusting component 121 and a detecting device for detecting the indoor environment temperature.
Referring to fig. 2 to 4, an airflow channel is formed in the casing 1, the fresh air inlet 11 is formed in the bottom surface of the casing 1, the return air inlet 12 and the air outlet 13 are both located on the front side of the casing 1, and the air outlet 13 is located on the upper side of the return air inlet 12. The first adjusting part 111 is arranged at the fresh air inlet 11, the first adjusting part 111 comprises a plurality of fresh air deflectors 111a which extend along the left-right direction and are arranged along the front-back direction, and each fresh air deflector 111a can rotate to adjust the fresh air intake quantity. The second adjusting member 121 is disposed at the air return opening 12, the second adjusting member 121 includes a front panel 121a capable of moving back and forth, the front panel 121a includes a main body 1211 and an air return grille 1212, and the main body 1211 may have a plurality of air return micro holes 12111 formed thereon. The return air grill 1212 is provided on a side of the main body plate 1211 adjacent to the center of the casing 1, and the return air grill 1212 extends in the circumferential direction of the main body plate 1211.
When the indoor unit 100 is installed, the indoor unit 100 is installed indoors and on the upper side of the window such that the fresh air opening 13 is disposed adjacent to the window.
When using this machine 100 in the air conditioning, if need the new trend function of machine 100 in the air conditioning, open the window, close indoor (window) curtain and make indoor (window) curtain be located the front side of new wind gap 11, the top of (window) curtain can with machine 100 butt in the air conditioning, thereby through the isolation of the indoor (window) curtain of closing, form the indoor environment that is located indoor (window) curtain inboard and the outdoor environment that is located the indoor (window) curtain outside, new wind gap 11 communicates with the outdoor environment through the window of opening, outdoor new trend can get into machine 100 in the air conditioning from new wind gap 11, return air inlet 12 communicates with the indoor environment, indoor air can get into machine 100 in the air conditioning from return air. When the fresh air function of the indoor unit 100 of the air conditioner is not needed, the window is closed, the curtain can be opened, the fresh air port 11 is isolated from the outdoor environment, when the air conditioner works, only the return air port 12 can be communicated with the indoor environment, and indoor air enters the shell 1 through the return air port 12; it is also possible to make the return air opening 12 communicate with the indoor environment and to make the fresh air opening 11 communicate with the indoor environment, and the indoor air enters the casing 1 through the return air opening 12 and the fresh air opening 11.
When the air conditioner works and uses the fresh air function, the detection device detects the indoor environment temperature Ti, the control device compares the absolute value of the difference value between the indoor environment temperature Ti and the indoor set temperature T0, and the control device carries out corresponding adjustment.
Referring to fig. 1, when the absolute value of the difference between the indoor ambient temperature Ti and the indoor set temperature T0 is greater than the first set temperature difference T1, the control device controls the fresh air deflector 111a to rotate, so that the opening degree of the fresh air deflector 111a is reduced, and the fresh air intake amount of the fresh air inlet 11 is reduced; and/or, the control device controls the front panel 121a to move forward, so that the opening degree of the front panel 121a is increased to increase the air return air inlet amount of the air return opening 12, the proportion of fresh air in the outlet air can be reduced, the absolute value of the difference between the indoor environment temperature Ti and the indoor set temperature T0 is reduced, and the indoor environment temperature Ti is close to the indoor set temperature T0.
When the absolute value of the difference between the indoor ambient temperature Ti and the indoor set temperature T0 is smaller than the second set temperature difference T2, the control device controls the fresh air deflector 111a to rotate, so that the opening of the fresh air deflector 111a is increased, and the fresh air intake amount of the fresh air inlet 11 is increased; and/or, controlling means control front panel 121a moves backward for the aperture of front panel 121a reduces, in order to reduce the return air intake flow of return air inlet 12, can increase the shared proportion of new trend in the air-out, thereby when making indoor ambient temperature Ti be close to indoor settlement temperature T0, can increase the new trend intake, improves indoor air quality better.
When the absolute value of the difference between the indoor ambient temperature Ti and the indoor set temperature T0 is not greater than the first set temperature difference T1 and not less than the second set temperature difference T2, the opening degree of the fresh air deflector 111a and the opening degree of the front panel 121a remain unchanged, and the air conditioner can maintain the current running state, so that the air conditioner can keep the indoor ambient temperature Ti close to the indoor set temperature T0 while realizing the fresh air function.
From this, according to the absolute value of the difference between indoor ambient temperature Ti and indoor set temperature T0, the accessible is adjusted at least one in new trend air input and the indoor return air input, can be so that the air conditioner when realizing the new trend function, can guarantee to adjust indoor temperature effectively.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (11)
1. The control method of the air conditioner is characterized in that the air conditioner comprises a fresh air inlet which can be communicated with an outdoor environment, a return air inlet which can be communicated with an indoor environment and an air outlet which supplies air to the indoor environment, a first adjusting part which is used for adjusting fresh air inflow of the fresh air inlet is arranged at the fresh air inlet, a second adjusting part which is used for adjusting return air inflow of the return air inlet is arranged at the return air inlet, and the control method comprises the following steps:
detecting the indoor environment temperature;
calculating an absolute value of a difference between the indoor ambient temperature and an indoor set temperature;
according to the absolute value of the difference between the indoor environment temperature and the indoor set temperature, the first adjusting part can be adjusted to adjust the fresh air inflow of the fresh air inlet, and/or the second adjusting part can be adjusted to adjust the return air inflow of the return air inlet.
2. The method of claim 1, wherein it is determined whether an absolute value of a difference between the indoor ambient temperature and the indoor set temperature is greater than a first set temperature difference, and if the absolute value of the difference between the indoor ambient temperature and the indoor set temperature is greater than the first set temperature difference, the first adjusting part is adjusted to decrease an amount of fresh air taken in the fresh air inlet, and/or the second adjusting part is adjusted to increase an amount of return air taken in the return air inlet.
3. The control method of an air conditioner according to claim 2,
if the absolute value of the difference between the indoor environment temperature and the indoor set temperature is not more than the first set temperature difference and is less than a second set temperature difference, adjusting the first adjusting component to increase the fresh air inlet amount of the fresh air inlet, and/or adjusting the second adjusting component to decrease the return air inlet amount of the return air inlet, wherein the second set temperature difference is not more than the first set temperature difference;
and if the absolute value of the difference value between the indoor environment temperature and the indoor set temperature is not greater than the first set temperature difference and not less than the second set temperature difference, the air conditioner maintains the current running state.
4. The control method of an air conditioner according to claim 3, wherein a difference between the first set temperature difference and the second set temperature difference is not more than 1 ℃.
5. The method of claim 2, wherein the first set temperature difference is in a range of 1-2 ℃.
6. The control method of the air conditioner according to claim 1, wherein the fresh air intake amount of the fresh air inlet is adjusted by adjusting the opening degree of the first adjusting part, and/or the return air intake amount of the return air inlet is adjusted by adjusting the opening degree of the second adjusting part.
7. An air conditioner, comprising:
the air conditioner comprises a shell, a fan and a fan, wherein a fresh air inlet which can be communicated with an outdoor environment, a return air inlet which can be communicated with an indoor environment and an air outlet which supplies air to the indoor are formed in the shell;
the first adjusting part is used for adjusting the fresh air inflow of the fresh air inlet and is arranged at the fresh air inlet;
the second adjusting part is used for adjusting the air return air inflow of the air return inlet and is arranged at the air return inlet;
the heat exchanger part and the fan part are arranged in the shell, and the fan part is used for driving the airflow entering from the fresh air inlet and/or the return air inlet to be discharged from the air outlet;
the detection device is used for detecting the indoor environment temperature;
the control device is used for adjusting the first adjusting part to adjust the fresh air inflow of the fresh air inlet and/or adjusting the second adjusting part to adjust the return air inflow of the return air inlet according to the absolute value of the difference value between the indoor environment temperature and the indoor set temperature.
8. The air conditioner according to claim 7, wherein the first adjusting member comprises a fresh air deflector rotatably disposed at the fresh air inlet, and the fresh air inlet amount of the fresh air inlet is adjustable by rotation of the fresh air deflector.
9. The air conditioner as claimed in claim 7, wherein the second adjusting part includes a front panel movably disposed at the return air inlet forward and backward, the front panel includes a main body panel and a return air grill, the return air grill is disposed at one side of the main body panel adjacent to a center of the cabinet, and the return air grill extends in a circumferential direction of the main body panel, and an amount of return air introduced into the return air inlet is adjustable by movement of the front panel.
10. The air conditioner according to claim 7, wherein a purifying member for purifying air is provided at the fresh air inlet, and the purifying member and the first regulating member are arranged in a flow direction of the air flow.
11. The air conditioner according to any one of claims 7 to 10, wherein the fresh air opening is formed in a bottom surface of the cabinet, the return air opening and the air outlet opening are both located at a front side of the cabinet and the air outlet opening is located at an upper side of the return air opening.
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| CN112161384A (en) * | 2020-09-23 | 2021-01-01 | 海信（山东）空调有限公司 | Air conditioner fresh air control method and system and air conditioner |
| CN112228960A (en) * | 2020-11-11 | 2021-01-15 | 珠海格力电器股份有限公司 | Air conditioning equipment, distributed replacement air supply system and control method thereof |
| CN112254214A (en) * | 2020-10-16 | 2021-01-22 | 珠海格力电器股份有限公司 | Air conditioner and control method thereof |
| CN113251616A (en) * | 2021-05-13 | 2021-08-13 | 海信（山东）空调有限公司 | Fresh air conditioner and control method thereof |
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