CN115789898B - Air conditioner and combined control method of compressor and outdoor fan in air conditioner - Google Patents
Air conditioner and combined control method of compressor and outdoor fan in air conditioner Download PDFInfo
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Abstract
The invention relates to the technical field of compressors and outdoor fans, in particular to an air conditioner and a combined control method of the compressor and the outdoor fan in the air conditioner, wherein when the temperature in a single room does not meet a preset standard, a central control unit adjusts the running power of the compressor corresponding to the room and/or the rotating speed of the indoor fan corresponding to the room to a corresponding value, and corrects the running power of the compressor corresponding to the room and/or the rotating speed of the indoor fan corresponding to the room according to the difference value of the temperature of the room and the temperature of the room adjacent to the room, so that the combined fan of the air conditioner can be suitable for a large-area multi-space unified configuration temperature regulation scene. And the rotating speed of the indoor fan or the rotating speed of the outdoor fan are automatically adjusted while the indoor temperature is ensured to be maintained in a preset interval according to the operating temperatures of the indoor fan and the outdoor fan, so that the safe and stable operation of the air conditioner combined fan is ensured.
Description
Technical Field
The invention relates to the technical field of compressors and outdoor fans, in particular to an air conditioner and a combined control method of the compressor and the outdoor fan in the air conditioner.
Background
For larger rooms, ventilation and air conditioning are often used to cool or heat the room to meet the requirements of comfort of equipment and personnel in the room. However, the two modes often require a manager to manually start a ventilator or an air conditioner according to experience, so that energy waste is caused or the safe and stable operation of equipment is affected.
Chinese patent publication No. CN106091275a. The combined control method of compressor and outdoor fan in air conditioner is disclosed; the method comprises the following steps: receiving a user control instruction; controlling the compressor motor according to the user control instruction to adjust the rotating speed of the compressor motor; acquiring the current rotating speed of the compressor motor, and calculating the target rotating speed of the outdoor fan motor according to the current rotating speed of the compressor motor; and controlling the outdoor fan motor according to the target rotating speed of the outdoor fan motor. It follows that the following problems are present: the rotating speed of the compression motor is regulated according to the user instruction, and the method is not suitable for temperature regulation and control scenes which are uniformly configured for large-area multi-space, so that the safe and stable operation of the air conditioner is affected.
Disclosure of Invention
Therefore, the invention provides a combined control method of a compressor and an outdoor fan, which is used for solving the problem that the prior art cannot be suitable for a temperature regulation scene which is uniformly configured for a large area and multiple spaces, and the safe and stable operation of an air conditioner is affected.
In one aspect, the present invention provides an air conditioner, comprising:
the outdoor fans are respectively arranged at corresponding positions of the outdoor and used for conveying outdoor air to a pipe network, and a compressor is arranged in each outdoor fan and used for heating or cooling air entering the outdoor fan so as to adjust the temperature of the air in the outdoor fan to a corresponding value;
the indoor fans are respectively arranged at corresponding positions in corresponding rooms, and for a single indoor fan, the indoor fans are used for conveying air which is matched with the indoor fans and is heated or cooled by the outdoor fans into the corresponding rooms;
the pipe network is respectively connected with each indoor fan and each outdoor fan and is used for respectively enabling each indoor fan to convey air heated or cooled by each corresponding outdoor fan to a corresponding room in a preset path;
the monitoring unit comprises a plurality of air temperature detection modules which are arranged at corresponding positions in the pipe network and used for detecting the air temperature in the pipe network, a plurality of indoor temperature detection modules which are respectively arranged in corresponding rooms and used for detecting the temperature in the rooms, an outdoor temperature detection module which is arranged outdoors and used for detecting the outdoor temperature, a plurality of indoor fan temperature detection modules which are respectively arranged in corresponding indoor fans and used for respectively detecting the running temperature of each indoor fan, and a plurality of outdoor fan temperature detection modules which are respectively arranged in corresponding outdoor fans and used for respectively detecting the running temperature of the outdoor fans;
The central control unit is respectively connected with the outdoor fans, the indoor fans and the corresponding parts in the monitoring unit, and is used for primarily judging the reason that the temperature in a single room does not meet the preset standard according to the difference value between the temperature in the room and the preset standard temperature when the temperature in the single room does not meet the preset standard, regulating the operation power of the compressor corresponding to the room and/or the rotating speed of the indoor fan corresponding to the room to corresponding values according to judging results, correcting the operation power of the compressor corresponding to the room and/or the rotating speed of the indoor fan corresponding to the room according to the difference value between the temperature of the room and the temperature of the adjacent room, and judging whether the operation power of the compressor corresponding to the room and/or the rotating speed of the indoor fan are secondarily regulated according to the operation temperatures of the outdoor fan and the indoor fan.
Further, the central control unit obtains the outdoor temperature through the outdoor temperature detection module and determines a detection mode for the indoor temperature according to the outdoor temperature, wherein,
the first detection mode is that a central control unit controls each outdoor fan to use a first working mode, uses a first standard temperature adjustment coefficient to adjust preset standard temperature to a corresponding value, and uses a first evaluation mode to judge whether the temperature in a single room meets the standard;
The second detection mode is that the central control unit controls each outdoor fan to use a first working mode and judges whether the temperature in a single room meets the standard or not by using a first evaluation mode;
the third detection mode is that the central control unit controls each outdoor fan to use a second working mode and judges whether the temperature in a single room meets the standard or not by using a second evaluation mode;
the fourth detection mode is that the central control unit controls each outdoor fan to adjust the preset standard temperature to a corresponding value by using a second working mode and a second standard temperature adjustment coefficient, and whether the temperature in a single room meets the standard is judged by using a second evaluation mode;
the first working mode is a refrigerating mode, and the second working mode is a heating mode.
Further, the first detection mode satisfies a first preset outdoor temperature standard or less for the outdoor temperature;
the second detection mode meets the conditions that the outdoor temperature is greater than a first preset outdoor temperature standard and the outdoor temperature is less than or equal to a second preset outdoor temperature standard;
the third detection mode meets the conditions that the outdoor temperature is greater than a second preset outdoor temperature standard and the outdoor temperature is less than or equal to a third preset outdoor temperature standard;
The fourth detection mode meets the condition that the outdoor temperature is greater than a third preset outdoor temperature standard;
the first evaluation mode is to detect whether the indoor temperature is less than or equal to the preset standard temperature;
the second evaluation mode is to detect whether the indoor temperature is greater than or equal to 0.85 times the preset standard temperature.
Further, the central control unit determines an operation parameter adjusting mode aiming at the corresponding rotating speed of the indoor fan and/or the operation power of the compressor according to the difference value between the temperature in the room and the preset standard temperature under a first preset condition, wherein,
the first operation parameter adjusting mode is to adjust the rotating speed of the corresponding indoor fan to a corresponding value;
the second operation parameter adjusting mode is to adjust the operation power of the corresponding compressor to a corresponding value;
the third operation parameter adjustment mode is to adjust the corresponding rotating speed of the indoor fan and the corresponding operation power of the compressor to corresponding values;
the first operation parameter adjusting mode meets the condition that the difference value between the temperature in the room and the preset standard temperature is smaller than or equal to a first preset indoor temperature difference value;
the second operation parameter adjusting mode meets the condition that the difference value between the temperature in the room and the preset standard temperature is smaller than or equal to the second preset indoor temperature difference value and larger than the first preset indoor temperature difference value;
The third operation parameter adjusting mode meets the condition that the difference value between the temperature in the room and the preset standard temperature is larger than the second preset indoor temperature difference value;
the first preset condition is that the central control unit determines a detection mode aiming at indoor temperature.
Further, when the air conditioner is in a first working mode and the corresponding rotating speed of the indoor fan is adjusted to a corresponding value by using a first operation parameter adjusting mode, the central control unit increases the rotating speed of the indoor fan to the corresponding value by using a first rotating speed adjusting coefficient;
when the air conditioner is in a first working mode and the operation power of the corresponding compressor is adjusted to a corresponding value by using a second operation parameter adjustment mode, the central control unit increases the operation power of the compressor to the corresponding value by using a first operation power adjustment coefficient;
when the air conditioner is in a first working mode and the corresponding rotating speed of the indoor fan and the corresponding operating power of the compressor are adjusted to corresponding values by using a third operating parameter adjusting mode, the central control unit increases the rotating speed of the indoor fan to the corresponding values by using a second rotating speed adjusting coefficient and increases the operating power of the compressor to the corresponding values by using a second operating power adjusting coefficient.
Further, when the air conditioner is in the second working mode and the corresponding rotating speed of the indoor fan is adjusted to a corresponding value by using a first operation parameter adjusting mode, the central control unit increases the rotating speed of the indoor fan to the corresponding value by using a third rotating speed adjusting coefficient;
when the air conditioner is in a second working mode and the operation power of the corresponding compressor is adjusted to a corresponding value by using a second operation parameter adjustment mode, the central control unit increases the operation power of the compressor to the corresponding value by using a third operation power adjustment coefficient;
when the air conditioner is in the second working mode and the corresponding rotating speed of the indoor fan and the corresponding operating power of the compressor are adjusted to corresponding values by using a third operating parameter adjusting mode, the central control unit increases the rotating speed of the indoor fan to the corresponding values by using a fourth rotating speed adjusting coefficient and increases the operating power of the compressor to the corresponding values by using a fourth operating power adjusting coefficient.
Further, the central control unit detects adjacent temperatures of rooms adjacent to the room under a second preset condition and determines a correction mode for the corresponding rotation speed adjustment coefficient and/or the operation power adjustment coefficient according to a temperature difference value between the temperature in the room and the adjacent temperatures, wherein,
The first correction mode is to correct the corresponding rotation speed adjusting coefficient to a corresponding value by using a first rotation speed correction coefficient;
the second correction mode is to correct the corresponding operation power adjustment coefficient to a corresponding value by using the first operation power correction coefficient;
the third correction mode is to correct the corresponding rotation speed adjusting coefficient to a corresponding value by using a second rotation speed correction coefficient and correct the corresponding operation power adjusting coefficient to a corresponding value by using a second operation power correction coefficient;
the first correction mode meets the condition that the temperature difference value is smaller than or equal to a first preset temperature difference value;
the second correction mode meets the condition that the temperature difference is smaller than or equal to a second preset temperature difference and larger than the first preset temperature difference;
the third correction mode satisfies that the temperature difference is larger than a second preset temperature difference;
and the second preset condition is that the central control unit determines an operation parameter adjusting mode aiming at the corresponding rotating speed of the indoor fan and/or the operation power of the compressor.
Further, the central control unit obtains the running temperature of the outdoor fan through the outdoor fan temperature detection module under a third preset condition,
if the running temperature of the outdoor fan is smaller than the standard running temperature of the preset outdoor fan, the central control unit judges that the current working state meets the preset standard, and the air conditioner runs with the current running parameters;
If the running temperature of the outdoor fan is greater than the preset standard running temperature of the outdoor fan, the central control unit adjusts the rotating speed of the indoor fan or the running power of the compressor to a corresponding value according to the running temperature of the indoor fan,
the air conditioner determines a fan rotating speed secondary adjusting mode aiming at the corresponding rotating speed of the indoor fan according to the difference value between the operating temperature of the outdoor fan and the operating temperature of a preset standard outdoor fan in a first working mode, wherein,
the first fan rotating speed secondary regulation mode is that the central control unit increases the rotating speed of the indoor fan to a corresponding value by using a first rotating speed secondary regulation coefficient;
the second fan rotating speed secondary adjusting mode is that the central control unit increases the rotating speed of the indoor fan to a corresponding value by using a second rotating speed secondary adjusting coefficient;
the third fan rotating speed secondary adjusting mode is that the central control unit increases the rotating speed of the indoor fan to a corresponding value by using a third rotating speed secondary adjusting coefficient;
the second regulation mode of the rotating speed of the first fan meets the condition that the difference value between the operating temperature of the outdoor fan and the operating temperature of the preset standard outdoor fan is smaller than or equal to a first preset temperature difference value;
the second fan rotating speed secondary regulation mode meets the condition that the difference value between the operating temperature of the outdoor fan and the operating temperature of the preset standard outdoor fan is smaller than or equal to a second preset temperature difference value and larger than a first preset temperature difference value;
The second regulation mode of the rotating speed of the third fan meets the condition that the difference between the running temperature of the outdoor fan and the running temperature of the preset standard outdoor fan is larger than the second preset temperature difference;
the air conditioner reduces the operation power of the compressor to a corresponding value in a second working mode, and the operation power of the compressor after adjustment is set to Wb ', and Wb' =0.9 Wb;
the third preset condition is that the air conditioner operates for a preset time period with the adjusted operation parameters after the central control unit adjusts the rotation speed of the indoor fan and/or the operation power of the compressor to the corresponding values.
Further, the central control unit obtains the running temperature of the indoor fan through the indoor fan temperature detection module under the third preset condition,
if the running temperature of the indoor fan is smaller than the standard running temperature of the preset indoor fan, the central control unit judges that the current working state meets the preset standard, and the air conditioner combined fan runs according to the current running parameters;
if the running temperature of the indoor fan is greater than the standard running temperature of the preset indoor fan, the central control unit adjusts the running power of the compressor to a corresponding value according to the running temperature of the indoor fan;
the central control unit adjusts the operation power of the compressor to be in the first working mode 
Wherein Wb is the operation power of the compressor, wb' is the operation power of the adjusted compressor, tci is the indoor fan operation temperature, tc0 is the preset indoor fan standard operation temperature, α is the primary adjustment coefficient of the compressor, and α=16 is set;
the central control unit adjusts the operation power of the compressor to be in the second working mode
Where wb″ is the operation power of the compressor after the adjustment, β is the compressor secondary adjustment coefficient, and β=0.09 is set.
On the other hand, the invention also provides a combined control method using the compressor and the outdoor fan in the air conditioner, which comprises the following steps of,
step S1, determining a working mode, wherein the central control unit obtains the outdoor temperature according to an outdoor temperature detection module, and determines a detection mode of the indoor temperature and the working mode of the air conditioner according to the outdoor temperature;
step S2, the central control unit determines an operation parameter adjusting mode according to a difference value between the indoor temperature and a preset standard temperature so as to determine that the central control unit adjusts the rotating speed of the indoor fan and/or the operation power of the compressor to a corresponding value at the corresponding indoor temperature;
step S3, determining an adjusting coefficient, wherein the central control unit selects a corresponding rotating speed adjusting coefficient and/or an operating power adjusting coefficient according to a corresponding working mode and a corresponding operating parameter adjusting mode to adjust the rotating speed of the indoor fan and/or the operating power of the compressor to a corresponding value;
Step S4, adjusting the adjusting coefficient, wherein the central control unit adjusts the corresponding rotating speed adjusting coefficient and/or the operating power adjusting coefficient to a corresponding value according to the temperature difference value between the current room and the adjacent room;
step S5, detecting the running temperatures of the indoor fan and the outdoor fan by the central control unit, and secondarily adjusting the running power of the compressor or the running speed of the indoor fan according to the running temperatures of the indoor fan and the outdoor fan;
step S6, the central control unit determines the current rotating speed of the compressor according to the current power of the compressor and calculates the target rotating speed of a motor in the outdoor fan to which the compressor belongs when the power of the single compressor is regulated, and the central control unit controls the outdoor fan to regulate the rotating speed of the motor of the outdoor fan to the target rotating speed so as to enable the rotating speed of the motor of the outdoor fan to be matched with the rotating speed of the motor of the compressor; and the target rotating speed is the rotating speed of the outdoor fan motor corresponding to the maximum energy efficiency of the air conditioner.
Compared with the prior art, the method has the advantages that when the temperature in a single room does not meet the preset standard, the central control unit determines the reason that the temperature in the room does not meet the preset standard, adjusts the running power of the compressor corresponding to the room and/or the rotating speed of the indoor fan corresponding to the room to the corresponding value, corrects the running power of the compressor corresponding to the room and/or the rotating speed of the indoor fan corresponding to the room according to the difference value between the temperature of the room and the temperature of the room adjacent to the room, and ensures that the air conditioner combined fan can be suitable for a large-area multi-space unified configuration temperature regulation scene. The central control unit adjusts the rotation speed of the indoor fan or the rotation speed of the outdoor fan automatically when the indoor temperature is ensured to be maintained in a preset interval according to the operation temperature of the indoor fan and the outdoor fan after adjusting the outdoor fan or the indoor fan, and ensures the safe and stable operation of the air conditioner combined fan.
Further, the central control unit determines the working mode of the outdoor fan through the outdoor temperature obtained by the outdoor temperature detection module, and determines the detection mode of the indoor temperature according to the outdoor temperature, so that the air conditioner is ensured to automatically determine the refrigerating or heating mode, and the safe and stable working state of the air conditioner combined fan is further ensured.
Further, the central control unit determines an evaluation mode and a detection mode for the indoor temperature in a single room according to the outdoor temperature, and the air conditioner is ensured to automatically adjust the evaluation mode of the indoor temperature according to the outdoor temperature so as to maintain the indoor temperature in a suitable human living temperature environment, and meanwhile, the working state of safe and stable operation of the air conditioner combined fan is further ensured.
Further, the central control unit obtains the indoor temperature through the indoor temperature detection module, and determines an operation parameter adjustment mode aiming at the corresponding rotating speed of the indoor fan and/or the operation power of the compressor according to the difference value between the indoor temperature and the preset standard temperature, so that the rotating speed of the indoor fan and/or the operation power of the compressor are adjusted to corresponding values, and the air conditioner is ensured to be adjusted in the preset operation parameter adjustment mode, and meanwhile the safe and stable operation working state of the air conditioner combined fan is further ensured.
Further, when the air conditioner is in the first working mode, the central control unit adjusts the rotating speed of the corresponding indoor fan and/or the operating power of the corresponding compressor to a corresponding value according to the difference value between the indoor temperature in a single room and the preset standard indoor temperature, so that the reason that the temperature does not reach the standard is ensured to be accurately judged, and the air after refrigeration is not timely and sufficiently fed into the room, or the air is not refrigerated to the corresponding temperature, and meanwhile, the safe and stable operating working state of the air conditioner combined fan is further ensured.
Further, when the air conditioner is in the second working mode, the central control unit adjusts the rotating speed of the corresponding indoor fan and/or the operating power of the corresponding compressor to a corresponding value according to the difference value between the indoor temperature in a single room and the preset standard indoor temperature, the central control accurately judges the reason that the temperature does not reach the standard, the heated air cannot be timely and sufficiently fed into the room or cannot be heated to the corresponding temperature, and adjusts the rotating speed of the indoor fan and/or the operating power of the compressor to the corresponding value according to the reason that the temperature does not reach the standard by a preset coefficient, and when the combined fan is ensured to operate at the preset rotating speed, the safe and stable operating working state of the air conditioner combined fan is further ensured while the indoor temperature is ensured to be maintained in a preset interval.
Further, the central control unit corrects the corresponding rotation speed adjusting coefficient and/or the corresponding operation power adjusting coefficient to the corresponding value by using the corresponding correction coefficient according to the difference value between the current room temperature and the adjacent room temperature, and the working state of safe and stable operation of the air conditioner combined fan is further ensured while the control method is ensured to be applicable to temperature regulation scenes uniformly configured for a large area of multiple spaces.
Further, the central control unit acquires the operating temperature of the outdoor fan through the outdoor fan temperature detection module, compares the operating temperature of the outdoor fan with the standard operating temperature of the preset outdoor fan, judges that the operating state of the air conditioner accords with the preset standard if the operating temperature of the indoor fan is smaller than the standard operating temperature of the preset outdoor fan, operates the air conditioner with the current operating parameter, judges that the operating temperature of the current outdoor fan is too high if the operating temperature of the outdoor fan is larger than the standard operating temperature of the preset outdoor fan, and increases the rotating speed of the indoor fan to a corresponding value according to the difference value between the operating temperature of the outdoor fan and the standard operating temperature of the preset outdoor fan in the first working mode; and in the second working mode, the running power of the compressor is reduced to a corresponding value according to a preset formula, and the working state of the air conditioner combined fan in safe and stable running is further ensured while the service life of the air conditioner is reduced due to the working state of the outdoor fan at an excessively high temperature for a long time under the premise of ensuring that the outdoor fan runs at a normal running temperature.
Further, the central control unit obtains the running temperature of the indoor fan after adjusting the rotating speed of the indoor fan or the outdoor fan, and adjusts the running power of the compressor to a corresponding value according to the running temperature of the indoor fan, so that the running of the indoor fan at the normal running temperature is ensured to ensure that the indoor temperature is efficiently maintained in a preset interval, and meanwhile, the safe and stable running working state of the air conditioner combined fan is further ensured.
Drawings
FIG. 1 is a block diagram of an air conditioner according to the present invention;
FIG. 2 is a flowchart of a combined control method of a compressor and an outdoor fan in an air conditioner according to the present invention;
FIG. 3 is a flowchart showing a determination of a detection mode of an indoor temperature according to outdoor temperature by a central control unit according to the present invention;
fig. 4 is a flowchart of a determination of an operation parameter adjustment mode of the central control unit according to the present invention, wherein the operation parameter adjustment mode is determined according to the temperature in the room, and the rotation speed of the indoor fan and/or the operation power of the compressor.
Detailed Description
In order that the objects and advantages of the invention will become more apparent, the invention will be further described with reference to the following examples; it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention.
It should be noted that, in the description of the present invention, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.
Referring to fig. 1, which is a block diagram of an air conditioner according to the present invention, the air conditioner of the present invention includes:
the outdoor fans are respectively arranged at corresponding positions outdoors, and are used for heating or cooling air entering the outdoor fans for adjusting the temperature of the air in the outdoor fans to corresponding values;
the indoor fans are respectively arranged at corresponding positions in corresponding rooms and used for conveying outdoor air to a pipe network, and a compressor is arranged in each indoor fan and used for conveying the air which is matched with the indoor fan and is heated or cooled by the outdoor fan into the corresponding room;
the pipe network is respectively connected with each indoor fan and each outdoor fan and is used for respectively enabling each indoor fan to convey air heated or cooled by each corresponding outdoor fan to a corresponding room in a preset path;
the monitoring unit comprises a plurality of air temperature detection modules which are arranged at corresponding positions in the pipe network and used for detecting the air temperature in the pipe network, a plurality of indoor temperature detection modules which are respectively arranged in corresponding rooms and used for detecting the temperature in the rooms, an outdoor temperature detection module which is arranged outdoors and used for detecting the outdoor temperature, a plurality of indoor fan temperature detection modules which are respectively arranged in corresponding indoor fans and used for respectively detecting the running temperature of each indoor fan, and a plurality of outdoor fan temperature detection modules which are respectively arranged in corresponding outdoor fans and used for respectively detecting the running temperature of the outdoor fans;
The central control unit is respectively connected with the outdoor fans, the indoor fans and the corresponding parts in the monitoring unit, and is used for primarily judging the reason that the temperature in a single room does not meet the preset standard according to the difference value between the temperature in the room and the preset standard temperature when the temperature in the single room does not meet the preset standard, regulating the operation power of the compressor corresponding to the room and/or the rotating speed of the indoor fan corresponding to the room to corresponding values according to judging results, correcting the operation power of the compressor corresponding to the room and/or the rotating speed of the indoor fan corresponding to the room according to the difference value between the temperature of the room and the temperature of the adjacent room, and judging whether the operation power of the compressor corresponding to the room and/or the rotating speed of the indoor fan are secondarily regulated according to the operation temperatures of the outdoor fan and the indoor fan.
Referring to fig. 2, which is a flowchart of a combined control method of a compressor and an outdoor fan in an air conditioner according to the present invention, the control method includes the following steps,
step S1, determining a working mode, wherein the central control unit obtains the outdoor temperature according to an outdoor temperature detection module, and determines a detection mode of the indoor temperature and the working mode of the air conditioner according to the outdoor temperature;
Step S2, the central control unit determines an operation parameter adjusting mode according to a difference value between the indoor temperature and a preset standard temperature so as to determine that the central control unit adjusts the rotating speed of the indoor fan and/or the operation power of the compressor at the corresponding indoor temperature;
step S3, determining an adjusting coefficient, wherein the central control unit selects a corresponding rotating speed adjusting coefficient and/or an operating power adjusting coefficient according to a corresponding working mode and a corresponding operating parameter adjusting mode to adjust the rotating speed of the indoor fan and/or the operating power of the compressor to a corresponding value;
step S4, adjusting the adjusting coefficient, wherein the central control unit adjusts the corresponding rotating speed adjusting coefficient and/or the operating power adjusting coefficient to a corresponding value according to the temperature difference value between the current room and the adjacent room;
step S5, detecting the running temperatures of the indoor fan and the outdoor fan by the central control unit, and secondarily adjusting the running power of the compressor or the running speed of the indoor fan according to the running temperatures of the indoor fan and the outdoor fan;
step S6, the central control unit determines the current rotating speed of the compressor according to the current power of the compressor and calculates the target rotating speed of a motor in the outdoor fan to which the compressor belongs when the power of the single compressor is regulated, and the central control unit controls the outdoor fan to regulate the rotating speed of the motor of the outdoor fan to the target rotating speed so as to enable the rotating speed of the motor of the outdoor fan to be matched with the rotating speed of the motor of the compressor; and the target rotating speed is the rotating speed of the outdoor fan motor corresponding to the maximum energy efficiency of the air conditioner.
Referring to fig. 3, which is a flowchart illustrating a determination of a detection mode for an indoor temperature determined by the central control unit according to an outdoor temperature, the central control unit according to the present invention obtains the outdoor temperature through the outdoor temperature detection module and determines the detection mode for the indoor temperature according to the outdoor temperature, wherein,
the first detection mode is that a central control unit controls each outdoor fan to use a first working mode, uses a first standard temperature adjustment coefficient to adjust preset standard temperature to a corresponding value, and uses a first evaluation mode to judge whether the temperature in a single room meets the standard;
the second detection mode is that the central control unit controls each outdoor fan to use a first working mode and judges whether the temperature in a single room meets the standard or not by using a first evaluation mode;
the third detection mode is that the central control unit controls each outdoor fan to use a second working mode and judges whether the temperature in a single room meets the standard or not by using a second evaluation mode;
the fourth detection mode is that the central control unit controls each outdoor fan to adjust the preset standard temperature to a corresponding value by using a second working mode and a second standard temperature adjustment coefficient, and whether the temperature in a single room meets the standard is judged by using a second evaluation mode;
The first working mode is a refrigerating mode, and the second working mode is a heating mode.
Specifically, the first detection mode satisfies a first preset outdoor temperature standard or less for the outdoor temperature;
the second detection mode meets the conditions that the outdoor temperature is greater than a first preset outdoor temperature standard and the outdoor temperature is less than or equal to a second preset outdoor temperature standard;
the third detection mode meets the conditions that the outdoor temperature is greater than a second preset outdoor temperature standard and the outdoor temperature is less than or equal to a third preset outdoor temperature standard;
the fourth detection mode meets the condition that the outdoor temperature is greater than a third preset outdoor temperature standard;
the first evaluation mode is to detect whether the indoor temperature is less than or equal to the preset standard temperature;
the second evaluation mode is to detect whether the indoor temperature is greater than or equal to 0.85 times the preset standard temperature.
Please refer to fig. 4, which is a flowchart for determining an operation parameter adjustment mode for the corresponding rotational speed of the indoor fan and/or the operation power of the compressor according to the temperature in the room by the central control unit, wherein the central control unit determines an operation parameter adjustment mode for the corresponding rotational speed of the indoor fan and/or the operation power of the compressor according to the difference between the temperature in the room and the preset standard temperature under the first preset condition,
The first operation parameter adjusting mode is to adjust the rotating speed of the corresponding indoor fan to a corresponding value;
the second operation parameter adjusting mode is to adjust the operation power of the corresponding compressor to a corresponding value;
the third operation parameter adjustment mode is to adjust the corresponding rotating speed of the indoor fan and the corresponding operation power of the compressor to corresponding values;
the first operation parameter adjusting mode meets the condition that the difference value between the temperature in the room and the preset standard temperature is smaller than or equal to a first preset indoor temperature difference value;
the second operation parameter adjusting mode meets the condition that the difference value between the temperature in the room and the preset standard temperature is smaller than or equal to the second preset indoor temperature difference value and larger than the first preset indoor temperature difference value;
the third operation parameter adjusting mode meets the condition that the difference value between the temperature in the room and the preset standard temperature is larger than the second preset indoor temperature difference value;
the first preset condition is that the central control unit determines a detection mode aiming at indoor temperature.
With continued reference to fig. 1 to 4, when the air conditioner is in a first working mode and the corresponding rotational speed of the indoor fan is adjusted to a corresponding value by using a first operation parameter adjustment mode, the central control unit increases the rotational speed of the indoor fan to the corresponding value by using a first rotational speed adjustment coefficient;
When the air conditioner is in a first working mode and the operation power of the corresponding compressor is adjusted to a corresponding value by using a second operation parameter adjustment mode, the central control unit increases the operation power of the compressor to the corresponding value by using a first operation power adjustment coefficient;
when the air conditioner is in a first working mode and the corresponding rotating speed of the indoor fan and the corresponding operating power of the compressor are adjusted to corresponding values by using a third operating parameter adjusting mode, the central control unit increases the rotating speed of the indoor fan to the corresponding values by using a second rotating speed adjusting coefficient and increases the operating power of the compressor to the corresponding values by using a second operating power adjusting coefficient.
Specifically, when the air conditioner is in the second working mode and the corresponding rotating speed of the indoor fan is adjusted to a corresponding value by using a first operation parameter adjusting mode, the central control unit increases the rotating speed of the indoor fan to the corresponding value by using a third rotating speed adjusting coefficient;
when the air conditioner is in a second working mode and the operation power of the corresponding compressor is adjusted to a corresponding value by using a second operation parameter adjustment mode, the central control unit increases the operation power of the compressor to the corresponding value by using a third operation power adjustment coefficient;
When the air conditioner is in the second working mode and the corresponding rotating speed of the indoor fan and the corresponding operating power of the compressor are adjusted to corresponding values by using a third operating parameter adjusting mode, the central control unit increases the rotating speed of the indoor fan to the corresponding values by using a fourth rotating speed adjusting coefficient and increases the operating power of the compressor to the corresponding values by using a fourth operating power adjusting coefficient.
Specifically, the central control unit detects the adjacent temperature of the room adjacent to the room under a second preset condition and determines a correction mode for the corresponding rotation speed adjustment coefficient and/or the operation power adjustment coefficient according to the temperature difference value between the temperature in the room and the adjacent temperature, wherein,
the first correction mode is to correct the corresponding rotation speed adjusting coefficient to a corresponding value by using a first rotation speed correction coefficient;
the second correction mode is to correct the corresponding operation power adjustment coefficient to a corresponding value by using the first operation power correction coefficient;
the third correction mode is to correct the corresponding rotation speed adjusting coefficient to a corresponding value by using a second rotation speed correction coefficient and correct the corresponding operation power adjusting coefficient to a corresponding value by using a second operation power correction coefficient;
The first correction mode meets the condition that the temperature difference value is smaller than or equal to a first preset temperature difference value;
the second correction mode meets the condition that the temperature difference is smaller than or equal to a second preset temperature difference and larger than the first preset temperature difference;
the third correction mode satisfies that the temperature difference is larger than a second preset temperature difference;
and the second preset condition is that the central control unit determines an operation parameter adjusting mode aiming at the corresponding rotating speed of the indoor fan and/or the operation power of the compressor.
In particular, the central control unit obtains the running temperature of the outdoor fan through the outdoor fan temperature detection module under a third preset condition,
if the running temperature of the outdoor fan is smaller than the standard running temperature of the preset outdoor fan, the central control unit judges that the current working state meets the preset standard, and the air conditioner runs with the current running parameters;
if the running temperature of the outdoor fan is greater than the preset standard running temperature of the outdoor fan, the central control unit adjusts the rotating speed of the indoor fan or the running power of the compressor to a corresponding value according to the running temperature of the indoor fan,
the air conditioner determines a fan rotating speed secondary adjusting mode aiming at the corresponding rotating speed of the indoor fan according to the difference value between the operating temperature of the outdoor fan and the operating temperature of a preset standard outdoor fan in a first working mode, wherein,
The first fan rotating speed secondary regulation mode is that the central control unit increases the rotating speed of the indoor fan to a corresponding value by using a first rotating speed secondary regulation coefficient;
the second fan rotating speed secondary adjusting mode is that the central control unit increases the rotating speed of the indoor fan to a corresponding value by using a second rotating speed secondary adjusting coefficient;
the third fan rotating speed secondary adjusting mode is that the central control unit increases the rotating speed of the indoor fan to a corresponding value by using a third rotating speed secondary adjusting coefficient;
the second regulation mode of the rotating speed of the first fan meets the condition that the difference value between the operating temperature of the outdoor fan and the operating temperature of the preset standard outdoor fan is smaller than or equal to a first preset temperature difference value;
the second fan rotating speed secondary regulation mode meets the condition that the difference value between the operating temperature of the outdoor fan and the operating temperature of the preset standard outdoor fan is smaller than or equal to a second preset temperature difference value and larger than a first preset temperature difference value;
the second regulation mode of the rotating speed of the third fan meets the condition that the difference between the running temperature of the outdoor fan and the running temperature of the preset standard outdoor fan is larger than the second preset temperature difference;
the air conditioner reduces the operation power of the compressor to a corresponding value in a second working mode, and the operation power of the compressor after adjustment is set to Wb ', and Wb' =0.9 Wb;
The third preset condition is that the air conditioner operates for a preset time period with the adjusted operation parameters after the central control unit adjusts the rotation speed of the indoor fan and/or the operation power of the compressor to the corresponding values.
In particular, the central control unit obtains the running temperature of the indoor fan through the indoor fan temperature detection module under the third preset condition,
if the running temperature of the indoor fan is smaller than the standard running temperature of the preset indoor fan, the central control unit judges that the current working state meets the preset standard, and the air conditioner combined fan runs according to the current running parameters;
if the running temperature of the indoor fan is greater than the standard running temperature of the preset indoor fan, the central control unit adjusts the running power of the compressor to a corresponding value according to the running temperature of the indoor fan;
the central control unit adjusts the operation power of the compressor to be in the first working mode
Wherein Wb is the operation power of the compressor, wb' is the operation power of the adjusted compressor, tci is the indoor fan operation temperature, tc0 is the preset indoor fan standard operation temperature, α is the primary adjustment coefficient of the compressor, and α=16 is set;
the central control unit adjusts the operation power of the compressor to be in the second working mode 
Where wb″ is the operation power of the compressor after the adjustment, β is the compressor secondary adjustment coefficient, and β=0.09 is set.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will be within the scope of the present invention.
The foregoing description is only of the preferred embodiments of the invention and is not intended to limit the invention; various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. An air conditioner, comprising:
the outdoor fans are respectively arranged at corresponding positions of the outdoor and used for conveying outdoor air to a pipe network, and a compressor is arranged in each outdoor fan and used for heating or cooling air entering the outdoor fan so as to adjust the temperature of the air in the outdoor fan to a corresponding value;
The indoor fans are respectively arranged at corresponding positions in corresponding rooms, and for a single indoor fan, the indoor fans are used for conveying air which is matched with the indoor fans and is heated or cooled by the outdoor fans into the corresponding rooms;
the pipe network is respectively connected with each indoor fan and each outdoor fan and is used for respectively enabling each indoor fan to convey air heated or cooled by each corresponding outdoor fan to a corresponding room in a preset path;
the monitoring unit comprises a plurality of air temperature detection modules which are arranged at corresponding positions in the pipe network and used for detecting the air temperature in the pipe network, a plurality of indoor temperature detection modules which are respectively arranged in corresponding rooms and used for detecting the temperature in the rooms, an outdoor temperature detection module which is arranged outdoors and used for detecting the outdoor temperature, a plurality of indoor fan temperature detection modules which are respectively arranged in corresponding indoor fans and used for respectively detecting the running temperature of each indoor fan, and a plurality of outdoor fan temperature detection modules which are respectively arranged in corresponding outdoor fans and used for respectively detecting the running temperature of the outdoor fans;
the central control unit is respectively connected with the outdoor fans, the indoor fans and the corresponding parts in the monitoring unit, and is used for preliminarily judging the reason that the temperature in a single room does not meet the preset standard according to the difference value between the temperature in the room and the preset standard temperature when the temperature in the single room does not meet the preset standard, regulating the operation power of the compressor corresponding to the room and/or the rotating speed of the indoor fan corresponding to the room to corresponding values according to judging results, correcting the operation power of the compressor corresponding to the room and/or the rotating speed of the indoor fan corresponding to the room according to the difference value between the temperature of the room and the temperature of the adjacent room, and judging whether the operation power of the corresponding compressor and/or the rotating speed of the indoor fan are secondarily regulated according to the operation temperatures of the outdoor fan and the indoor fan;
The central control unit obtains the running temperature of the outdoor fan through the outdoor fan temperature detection module under a third preset condition,
if the running temperature of the outdoor fan is smaller than the standard running temperature of the preset outdoor fan, the central control unit judges that the current working state meets the preset standard, and the air conditioner runs with the current running parameters;
if the running temperature of the outdoor fan is greater than the preset standard running temperature of the outdoor fan, the central control unit adjusts the rotating speed of the indoor fan or the running power of the compressor to a corresponding value according to the running temperature of the indoor fan,
the air conditioner determines a fan rotating speed secondary adjusting mode aiming at the corresponding rotating speed of the indoor fan according to the difference value between the operating temperature of the outdoor fan and the operating temperature of a preset standard outdoor fan in a first working mode, wherein,
the first fan rotating speed secondary regulation mode is that the central control unit increases the rotating speed of the indoor fan to a corresponding value by using a first rotating speed secondary regulation coefficient; the second regulation mode of the rotating speed of the first fan meets the condition that the difference value between the operating temperature of the outdoor fan and the operating temperature of the preset standard outdoor fan is smaller than or equal to a first preset temperature difference value;
the second fan rotating speed secondary adjusting mode is that the central control unit increases the rotating speed of the indoor fan to a corresponding value by using a second rotating speed secondary adjusting coefficient; the second fan rotating speed secondary regulation mode meets the condition that the difference value between the operating temperature of the outdoor fan and the operating temperature of the preset standard outdoor fan is smaller than or equal to a second preset temperature difference value and larger than a first preset temperature difference value;
The third fan rotating speed secondary adjusting mode is that the central control unit increases the rotating speed of the indoor fan to a corresponding value by using a third rotating speed secondary adjusting coefficient; the second regulation mode of the rotating speed of the third fan meets the condition that the difference between the running temperature of the outdoor fan and the running temperature of the preset standard outdoor fan is larger than the second preset temperature difference;
the air conditioner reduces the operation power of the compressor to a corresponding value in a second working mode, and the operation power of the compressor after adjustment is set to Wb ', and Wb' =0.9 Wb;
the third preset condition is that the air conditioner operates for a preset time length with the adjusted operation parameters after the central control unit adjusts the rotation speed of the indoor fan and/or the operation power of the compressor to the corresponding values;
the central control unit obtains the running temperature of the indoor fan through the indoor fan temperature detection module under the third preset condition,
if the running temperature of the indoor fan is smaller than the standard running temperature of the preset indoor fan, the central control unit judges that the current working state meets the preset standard, and the air conditioner combined fan runs according to the current running parameters;
if the running temperature of the indoor fan is greater than the standard running temperature of the preset indoor fan, the central control unit adjusts the running power of the compressor to a corresponding value according to the running temperature of the indoor fan;
The central control unit adjusts the operation power of the compressor to be in the first working mode
Wherein Wb is the operating power of the compressor, < >>
Setting alpha=16 for the operation power of the compressor after adjustment, tci being the indoor fan operation temperature, tc0 being the preset indoor fan standard operation temperature, alpha being the primary adjustment coefficient of the compressor; the central control unit adjusts the operation power of the compressor to be in the second working mode
Wherein->
For the adjusted operating power of the compressor, β is the compressor secondary adjustment coefficient, β=0.09 is set.
2. The air conditioner according to claim 1, wherein the central control unit acquires the outdoor temperature through the outdoor temperature detection module and determines a detection mode for the indoor temperature according to the outdoor temperature, wherein,
the first detection mode is that a central control unit controls each outdoor fan to use a first working mode, uses a first standard temperature adjustment coefficient to adjust preset standard temperature to a corresponding value, and uses a first evaluation mode to judge whether the temperature in a single room meets the standard;
the second detection mode is that the central control unit controls each outdoor fan to use a first working mode and judges whether the temperature in a single room meets the standard or not by using a first evaluation mode;
The third detection mode is that the central control unit controls each outdoor fan to use a second working mode and judges whether the temperature in a single room meets the standard or not by using a second evaluation mode;
the fourth detection mode is that the central control unit controls each outdoor fan to adjust the preset standard temperature to a corresponding value by using a second working mode and a second standard temperature adjustment coefficient, and whether the temperature in a single room meets the standard is judged by using a second evaluation mode;
the first working mode is a refrigerating mode, and the second working mode is a heating mode.
3. The air conditioner of claim 2, wherein the first detection means satisfies a first preset outdoor temperature criterion or less for the outdoor temperature;
the second detection mode meets the conditions that the outdoor temperature is greater than a first preset outdoor temperature standard and the outdoor temperature is less than or equal to a second preset outdoor temperature standard;
the third detection mode meets the conditions that the outdoor temperature is greater than a second preset outdoor temperature standard and the outdoor temperature is less than or equal to a third preset outdoor temperature standard;
the fourth detection mode meets the condition that the outdoor temperature is greater than a third preset outdoor temperature standard;
The first evaluation mode is to detect whether the indoor temperature is less than or equal to the preset standard temperature;
the second evaluation mode is to detect whether the indoor temperature is greater than or equal to 0.85 times the preset standard temperature.
4. An air conditioner according to claim 3, wherein the central control unit determines an operation parameter adjustment mode for the corresponding rotational speed of the indoor fan and/or the operation power of the compressor according to a difference between the temperature in the individual room and a preset standard temperature under a first preset condition, wherein,
the first operation parameter adjusting mode is to adjust the rotating speed of the corresponding indoor fan to a corresponding value;
the second operation parameter adjusting mode is to adjust the operation power of the corresponding compressor to a corresponding value;
the third operation parameter adjustment mode is to adjust the corresponding rotating speed of the indoor fan and the corresponding operation power of the compressor to corresponding values;
the first operation parameter adjusting mode meets the condition that the difference value between the temperature in the room and the preset standard temperature is smaller than or equal to a first preset indoor temperature difference value;
the second operation parameter adjusting mode meets the condition that the difference value between the temperature in the room and the preset standard temperature is smaller than or equal to the second preset indoor temperature difference value and larger than the first preset indoor temperature difference value;
The third operation parameter adjusting mode meets the condition that the difference value between the temperature in the room and the preset standard temperature is larger than the second preset indoor temperature difference value;
the first preset condition is that the central control unit determines a detection mode aiming at indoor temperature.
5. The air conditioner according to claim 4, wherein the central control unit increases the rotational speed of the indoor fan to a corresponding value using a first rotational speed adjustment coefficient when the air conditioner is in a first operation mode and the rotational speed of the corresponding indoor fan is adjusted to the corresponding value using a first operation parameter adjustment manner;
when the air conditioner is in a first working mode and the operation power of the corresponding compressor is adjusted to a corresponding value by using a second operation parameter adjustment mode, the central control unit increases the operation power of the compressor to the corresponding value by using a first operation power adjustment coefficient;
when the air conditioner is in a first working mode and the corresponding rotating speed of the indoor fan and the corresponding operating power of the compressor are adjusted to corresponding values by using a third operating parameter adjusting mode, the central control unit increases the rotating speed of the indoor fan to the corresponding values by using a second rotating speed adjusting coefficient and increases the operating power of the compressor to the corresponding values by using a second operating power adjusting coefficient.
6. The air conditioner according to claim 5, wherein the central control unit increases the rotational speed of the indoor fan to a corresponding value using a third rotational speed adjustment coefficient when the air conditioner is in the second operation mode and the rotational speed of the corresponding indoor fan is adjusted to the corresponding value using the first operation parameter adjustment manner;
when the air conditioner is in a second working mode and the operation power of the corresponding compressor is adjusted to a corresponding value by using a second operation parameter adjustment mode, the central control unit increases the operation power of the compressor to the corresponding value by using a third operation power adjustment coefficient;
when the air conditioner is in the second working mode and the corresponding rotating speed of the indoor fan and the corresponding operating power of the compressor are adjusted to corresponding values by using a third operating parameter adjusting mode, the central control unit increases the rotating speed of the indoor fan to the corresponding values by using a fourth rotating speed adjusting coefficient and increases the operating power of the compressor to the corresponding values by using a fourth operating power adjusting coefficient.
7. The air conditioner according to claim 6, wherein the central control unit detects an adjacent temperature of a room adjacent to the room under a second preset condition and determines a correction manner for the corresponding rotation speed adjustment coefficient and/or the operation power adjustment coefficient according to a temperature difference between the temperature in the room and the adjacent temperature, wherein,
The first correction mode is to correct the corresponding rotation speed adjusting coefficient to a corresponding value by using a first rotation speed correction coefficient;
the second correction mode is to correct the corresponding operation power adjustment coefficient to a corresponding value by using the first operation power correction coefficient;
the third correction mode is to correct the corresponding rotation speed adjusting coefficient to a corresponding value by using a second rotation speed correction coefficient and correct the corresponding operation power adjusting coefficient to a corresponding value by using a second operation power correction coefficient;
the first correction mode meets the condition that the temperature difference value is smaller than or equal to a first preset temperature difference value;
the second correction mode meets the condition that the temperature difference is smaller than or equal to a second preset temperature difference and larger than the first preset temperature difference;
the third correction mode satisfies that the temperature difference is larger than a second preset temperature difference;
and the second preset condition is that the central control unit determines an operation parameter adjusting mode aiming at the corresponding rotating speed of the indoor fan and/or the operation power of the compressor.
8. A control method for controlling the combined operation of a compressor and an outdoor fan using the air conditioner as set forth in any one of claims 1 to 7, comprising,
Step S1, determining a working mode, wherein the central control unit obtains the outdoor temperature according to an outdoor temperature detection module, and determines a detection mode of the indoor temperature and the working mode of the air conditioner according to the outdoor temperature;
step S2, the central control unit determines an operation parameter adjusting mode according to a difference value between the indoor temperature and a preset standard temperature so as to determine that the central control unit adjusts the rotating speed of the indoor fan and/or the operation power of the compressor to a corresponding value at the corresponding indoor temperature;
step S3, determining an adjusting coefficient, wherein the central control unit selects a corresponding rotating speed adjusting coefficient and/or an operating power adjusting coefficient according to a corresponding working mode and a corresponding operating parameter adjusting mode to adjust the rotating speed of the indoor fan and/or the operating power of the compressor to a corresponding value;
step S4, adjusting the adjusting coefficient, wherein the central control unit adjusts the corresponding rotating speed adjusting coefficient and/or the operating power adjusting coefficient to a corresponding value according to the temperature difference value between the current room and the adjacent room;
step S5, detecting the running temperatures of the indoor fan and the outdoor fan by the central control unit, and secondarily adjusting the running power of the compressor or the running speed of the indoor fan according to the running temperatures of the indoor fan and the outdoor fan;
Step S6, the central control unit determines the current rotating speed of the compressor according to the current power of the compressor and calculates the target rotating speed of a motor in the outdoor fan to which the compressor belongs when the power of the single compressor is regulated, and the central control unit controls the outdoor fan to regulate the rotating speed of the motor of the outdoor fan to the target rotating speed so as to enable the rotating speed of the motor of the outdoor fan to be matched with the rotating speed of the motor of the compressor; and the target rotating speed is the rotating speed of the outdoor fan motor corresponding to the maximum energy efficiency of the air conditioner.
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