CN114151859A - Control method and device for fresh air conditioner indoor unit and fresh air conditioner indoor unit - Google Patents
Control method and device for fresh air conditioner indoor unit and fresh air conditioner indoor unit Download PDFInfo
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- CN114151859A CN114151859A CN202111389357.XA CN202111389357A CN114151859A CN 114151859 A CN114151859 A CN 114151859A CN 202111389357 A CN202111389357 A CN 202111389357A CN 114151859 A CN114151859 A CN 114151859A
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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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F2013/221—Means for preventing condensation or evacuating condensate to avoid the formation of condensate, e.g. dew
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present disclosure relates to a control method and a device for a fresh air conditioner indoor unit, an intelligent gateway and a storage medium, wherein the method comprises the following steps: acquiring a first environmental parameter of a fresh air inlet and a second environmental parameter of a fresh air outlet; determining a condensation state based on the first environmental parameter and the second environmental parameter; and generating a control instruction based on the condensation state, and sending the control instruction to the fresh air fan to control the rotating speed of the fresh air fan. The method disclosed by the invention can relieve the condensation hazard when fresh air is changed.
Description
Technical Field
The disclosure relates to the technical field of communication, in particular to a control method and device for a fresh air conditioner indoor unit, the fresh air conditioner indoor unit, an intelligent gateway and a storage medium.
Background
When heating the indoor, in order to ensure the air quality, the indoor needs to be ventilated. However, because there is a temperature difference between the indoor environment and the environment at the fresh air inlet in the heating process, condensation is easily generated near the fresh air fan, and the condensation drips to cause indoor objects to be wetted, thereby bringing harm to users.
Disclosure of Invention
In order to overcome the problems in the related art, the present disclosure provides a control method and device for a fresh air conditioner indoor unit, an intelligent gateway and a storage medium.
According to a first aspect of the embodiments of the present disclosure, a control method for a fresh air conditioner indoor unit is provided, where the fresh air conditioner indoor unit includes a fresh air duct, the fresh air duct includes a fresh air outlet and a fresh air inlet, a fresh air blower is provided in the fresh air duct, and the method includes:
acquiring a first environmental parameter of the fresh air inlet and a second environmental parameter of the fresh air outlet;
determining a condensation state based on the first environmental parameter and the second environmental parameter;
and generating a control instruction based on the condensation state, and sending the control instruction to the fresh air fan to control the rotating speed of the fresh air fan.
In some embodiments, the first environmental parameter comprises a dry bulb temperature, the second environmental parameter comprises a dew point temperature, and the determining a condensation state based on the first environmental parameter and the second environmental parameter comprises:
determining that the condensation state is no condensation when the dry bulb temperature is less than the dew point temperature and the absolute value of the difference between the dry bulb temperature and the dew point temperature meets a preset temperature difference range;
and under the condition that the dry bulb temperature is lower than the dew point temperature and the absolute value of the difference between the dry bulb temperature and the dew point temperature does not meet a preset temperature difference range, determining that the condensation state is condensation.
In some embodiments, the condensation state includes both states of condensation and no condensation; based on the condensation state, generate control instruction and send for the new trend fan is in order to control the new trend fan rotational speed, include:
if the condensation state is that condensation does not occur, generating a control instruction for controlling the rotating speed of the fresh air fan to maintain the current running state, and sending the control instruction to the fresh air fan;
and if the condensation state is condensation, generating a control instruction for controlling the change of the rotating speed of the fresh air fan and sending the control instruction to the fresh air fan.
In some embodiments, the first environmental parameter comprises a dry bulb temperature, the second environmental parameter comprises a dew point temperature and a relative humidity, and the determining the condensation status based on the first environmental parameter and the second environmental parameter comprises:
determining the condensation state as condensation occurrence based on the first environmental parameter and the second environmental parameter;
based on the condensation state, generate control instruction and send for the new trend fan is in order to control the new trend fan rotational speed, include:
determining a condensation degree corresponding to the condensation state based on the absolute value of the difference between the dry-bulb temperature and the dew-point temperature and the relative humidity;
and determining a first target rotating speed instruction for controlling the rotating speed of the fresh air fan from the candidate rotating speed instructions of the fresh air fan based on the condensation degree, and sending the first target rotating speed instruction to the fresh air fan.
In some embodiments, the new air blower candidate instruction includes controlling the new air blower to continuously operate at a first rotation speed or controlling the new air blower to periodically switch between a minimum rotation speed and a stop operation, where the first rotation speed is less than a current rotation speed of the new air blower.
In some embodiments, the indoor unit of the fresh air conditioner further includes a circulating air duct, and a circulating fan is disposed inside the circulating air duct, and the method further includes:
and determining a second target rotating speed instruction for controlling the rotating speed of the circulating fan from the circulating fan candidate rotating speed instructions based on the condensation degree, and sending the second target rotating speed instruction to the circulating fan to control the rotating speed of the circulating fan.
In some embodiments, the circulator blower candidate instruction comprises controlling the circulator blower to continuously operate at a second rotating speed or controlling the circulator blower to periodically change between a current rotating speed and a third rotating speed, wherein the second rotating speed and the third rotating speed are larger than the current rotating speed of the circulator blower.
In some embodiments, the absolute value of the difference between the dry-bulb temperature and the dew-point temperature corresponds to the same sub-temperature difference range, and the greater the relative humidity, the greater the degree of condensation.
In some embodiments, the fresh air fan and the sensor for collecting the first environmental parameter and the second environmental parameter are located in different electronic devices, and the acquiring the first environmental parameter of the fresh air inlet and the second environmental parameter of the fresh air outlet includes:
and acquiring the first environmental parameter and the second environmental parameter acquired by a sensor in a wireless communication mode.
According to a second aspect of the embodiments of the present disclosure, there is provided a fresh air conditioner indoor unit control device, the device including:
the acquisition module is configured to acquire a first environmental parameter of the fresh air inlet and a second environmental parameter of the fresh air outlet;
a condensation state determination module configured to determine a condensation state based on the first environmental parameter and the second environmental parameter;
and the control module is configured to generate a control instruction based on the condensation state and send the control instruction to the fresh air fan so as to control the rotating speed of the fresh air fan.
According to a third aspect of the embodiments of the present disclosure, a computer-readable storage medium is provided, on which computer program instructions are stored, and the program instructions, when executed by a processor, implement the steps of the control method for the indoor unit of the fresh air conditioner provided by the first aspect of the present disclosure.
According to a fourth aspect of the embodiments of the present disclosure, there is provided a fresh air conditioner indoor unit, including: the fresh air duct is internally provided with a fresh air fan which is used for pumping outdoor air into the fresh air duct from a fresh air inlet and blowing the outdoor air out of a fresh air outlet of the fresh air duct into a room; the sensor is used for detecting a first environmental parameter of the fresh air inlet and a second environmental parameter of the fresh air outlet; the controller is in communication connection with the fresh air fan and the sensor respectively and comprises a memory and a processor, and a computer program is stored in the memory; the processor is configured to execute the computer program in the memory to implement the steps of the control method for the indoor unit of the fresh air conditioner in the first aspect of the disclosure.
According to a fifth aspect of the embodiments of the present disclosure, there is provided an intelligent gateway, including: a memory having a computer program stored thereon; and the processor is used for executing the computer program in the memory so as to realize the steps of the control method of the fresh air conditioner indoor unit mentioned in the first aspect of the disclosure.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects: the condensation state is determined by acquiring a first environmental parameter of a fresh air inlet and a second environmental parameter of a fresh air outlet and based on the first environmental parameter and the second environmental parameter, and then the rotating speed of the fresh air fan can be controlled based on the condensation state. Because the rotating speed of the fresh air fan is controlled according to the condensation state, the flow proportion of the fresh air and the indoor circulating air can be adjusted, and then the condensation hazard when the fresh air is changed is relieved. In addition, the condensation condition can be found quickly according to the predicted condensation state according to the first environmental parameter and the second environmental parameter, and the condensation prevention efficiency is improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a flowchart illustrating a control method for an indoor unit of a fresh air conditioner according to an exemplary embodiment.
Fig. 2 is a block diagram showing a configuration of a fresh air conditioner indoor unit control apparatus according to an exemplary embodiment.
Fig. 3 is a block diagram illustrating a configuration of a fresh air conditioning indoor unit according to an exemplary embodiment.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
Embodiments of the present application will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1, fig. 1 is a flowchart illustrating a control method for a fresh air conditioner indoor unit according to an exemplary embodiment, where the method is applicable to electronic devices including an intelligent gateway, a server, an air conditioner with a fresh air indoor unit, and the like, where the fresh air conditioner indoor unit includes a fresh air duct, the fresh air duct includes a fresh air outlet and a fresh air inlet, and a fresh air blower is disposed in the fresh air duct, and the method includes the following steps:
s110, acquiring a first environmental parameter of the fresh air inlet and a second environmental parameter of the fresh air outlet.
In the embodiment of the present disclosure, the fresh air inlet and the fresh air outlet may have different conditions according to different environments in which the indoor unit is installed.
Illustratively, for some scenes with low air quality requirements, for example, in a home environment, the fresh air can directly originate from an outdoor environment, and at this time, the fresh air inlet can be installed on one side of the outdoor environment, and the fresh air outlet can be installed on one side of the indoor environment.
For example, for some scenes with high air quality requirements, for example, in a dust-free laboratory or a ward environment, fresh air in the outdoor environment cannot be directly exchanged to the indoor environment, the air in the outdoor environment can be cleaned by introducing the air in the outdoor environment into a clean room, and then the air is exchanged from the clean room to the room, at this time, the fresh air inlet can be installed on one side of the clean room environment, and the fresh air outlet can be installed on one side of the environment such as the laboratory or the ward.
In addition, considering that the environmental parameters of the environment where the sensor is located do not change much, in some embodiments, the environmental parameter at any position in the environment of the fresh air inlet may be used as the first environmental parameter of the fresh air inlet, and the environmental parameter at any position in the environment of the fresh air outlet may be used as the first environmental parameter of the fresh air outlet. Or, the first environmental parameter of the fresh air inlet may refer to a first environmental parameter of an environmental side of a clean room, and the second environmental parameter of the fresh air outlet may refer to a second environmental parameter of an environmental side of a laboratory or a ward. In some embodiments, the first environmental parameter may be acquired by a sensor disposed at the fresh air inlet, and the second environmental parameter may be acquired by a sensor disposed at the fresh air outlet.
When the electronic equipment carries the sensor, the first environmental parameter and the second environmental parameter can be acquired through the sensor carried by the electronic equipment, and when the electronic equipment does not carry the sensor, the first environmental parameter and the second environmental parameter acquired by the sensor can be acquired in a wireless communication mode. The wireless communication mode can be WIFI communication, Bluetooth communication, NFC near field communication and other modes.
For example, suppose that the electronic device is an air-conditioning indoor unit with a fresh air fan, and the air-conditioning indoor unit carries an indoor sensor and an outdoor sensor, at this time, the first environmental parameter and the second environmental parameter can be respectively collected through the indoor sensor and the outdoor sensor of the air-conditioning indoor unit.
For another example, if the electronic device is an intelligent gateway, a server, or an air conditioner indoor unit with a fresh air fan, but the electronic device does not carry an indoor sensor and an outdoor sensor, at this time, the first environmental parameter and the second environmental parameter may be respectively collected by the sensor arranged outdoors and the sensor arranged indoors, and after the first environmental parameter and the second environmental parameter are respectively collected, the first environmental parameter and the second environmental parameter are sent to the air conditioner indoor unit, the intelligent gateway, or the server in a wireless communication manner.
It should be noted that the sensor installed outdoors and the sensor installed indoors may be independent sensors, or may be sensors carried by other devices.
And S120, determining a condensation state based on the first environmental parameter and the second environmental parameter.
And S130, generating a control instruction based on the condensation state, and sending the control instruction to the fresh air fan to control the rotating speed of the fresh air fan.
In the embodiment of the disclosure, after the first environmental parameter of the fresh air inlet and the second environmental parameter of the fresh air outlet are obtained, the electronic device may predict the condensation state based on the first environmental parameter and the second environmental parameter, and then, based on the condensation state, the electronic device generates the control instruction and sends the control instruction to the fresh air fan to control the rotation speed of the fresh air fan.
With the foregoing, the electronic devices may be of various types, and then, for different electronic devices, based on the condensation state, the control instruction is generated and sent to the fresh air fan to control the rotation speed of the fresh air fan may be different.
When the electronic device is provided with the fresh air fan, that is, the fresh air fan is a partial structure of the electronic device, for example, an air conditioner with the fresh air fan, at this time, an indoor unit of the air conditioner with the fresh air fan can generate a control instruction based on the condensation state and directly send the control instruction to the fresh air fan so as to control the rotating speed of the fresh air fan.
And when electronic equipment does not have the new trend fan, for example electronic equipment is intelligent gateway or server, at this moment, electronic equipment can send the new trend fan for new trend air conditioning indoor set based on the control command that the condensation state generated, and then realizes controlling new trend fan rotational speed.
In the above mode, through obtaining the first environmental parameter of new trend entry and the second environmental parameter of new trend export to based on first environmental parameter and the second environmental parameter, confirm the condensation state, then alright in order to control new trend fan rotational speed based on the condensation state. Because the rotating speed of the fresh air fan is controlled according to the condensation state, the flow proportion of the fresh air and the indoor circulating air can be adjusted, and then the condensation hazard when the fresh air is changed is relieved. In addition, the condensation condition can be found quickly according to the predicted condensation state according to the first environmental parameter and the second environmental parameter, and the condensation prevention efficiency is improved.
In some embodiments, the first environmental parameter comprises a dry bulb temperature and the second environmental parameter comprises a dew point temperature, wherein the dry bulb temperature is a value read from a dry bulb temperature scale exposed to air without direct exposure to the sun. It is the temperature measured by the thermometer in the ordinary air, i.e. the temperature commonly said in the weather forecast. The dew point temperature is the temperature at which the air is cooled to saturation with the water vapor content of the air kept constant and the air pressure maintained constant. In this case, determining a condensation state based on the first environmental parameter and the second environmental parameter includes: determining that condensation does not occur under the condition that the dry bulb temperature is less than the dew point temperature and the absolute value of the difference between the dry bulb temperature and the dew point temperature meets a preset temperature difference range; and determining that condensation occurs under the condition that the dry bulb temperature is less than the dew point temperature and the absolute value of the difference between the dry bulb temperature and the dew point temperature does not meet the preset temperature difference range.
In the embodiment of the disclosure, the condensation state can be divided into two cases of condensation and non-condensation.
If the dry bulb temperature of the fresh air inlet is smaller than the dew point temperature of the fresh air outlet, condensation is likely to occur, at the moment, whether the absolute value of the difference value between the dry bulb temperature and the dew point temperature meets a preset temperature difference range or not can be further judged, if the absolute value meets the preset temperature difference range, condensation is not considered to occur, and if the absolute value does not meet the preset temperature difference range, condensation is considered to occur.
Illustratively, the lower limit of the preset temperature difference range is 0 ℃ and the upper limit of the preset temperature difference range is 5-13 ℃.
In some embodiments, when the condensation state is classified into two categories of condensation and no condensation, based on the condensation state, a control command is generated and sent to the fresh air fan to control the rotation speed of the fresh air fan, and the method may include: if the condensation state is that condensation does not occur, generating a control instruction for controlling the rotating speed of the fresh air fan to maintain the current running state, and sending the control instruction to the fresh air fan; and if the condensation state is condensation, generating a control instruction for controlling the change of the rotating speed of the fan of the fresh air unit and sending the control instruction to the fresh air fan.
It can be understood that the fresh air fan can operate at a set rotating speed after being started, and the rotating speed at the moment is the current operating state of the rotating speed of the fresh air fan. The set rotation speed may be constant or variable, and is not limited thereto.
In the embodiment of the present disclosure, it is considered that if the condensation state is no condensation, no condensation occurs when the current state is maintained regardless of the rotation speed of the fan of the fresh air handling unit, and therefore, a control instruction for controlling the rotation speed of the fresh air handling unit to maintain the current operation state may be generated and sent to the fresh air handling unit, so as to control the rotation speed of the fan of the fresh air handling unit to maintain the current operation state.
And if the condensation state is condensation, then the new air fan is controlled to maintain the current running state, condensation can be continuously generated, and harm is brought, so that a control instruction for controlling the change of the rotating speed of the new air fan can be generated when condensation occurs, and the control instruction is sent to the new air fan, so that the change of the rotating speed of the new air fan is controlled, and the condensation harm when the new air is changed is relieved.
In addition, considering that the fresh air conditioner indoor unit is also generally provided with a circulating air duct, the circulating air duct may comprise a circulating air outlet and a circulating air inlet, and a circulating fan is arranged in the circulating air duct and is used for drawing indoor air from the circulating air inlet into the circulating air duct and blowing the indoor air from the circulating air outlet into the room after heat exchange is carried out between the circulating air duct and the heat exchanger. Therefore, the rotating speed of the circulating fan can be controlled in addition to the rotating speed of the fresh air fan, so that in some embodiments, the control method of the fresh air conditioner indoor unit can further comprise the following steps: and if the condensation state is condensation, generating a control instruction for controlling the change of the rotating speed of the circulating fan, and sending the control instruction to the circulating fan to control the rotating speed of the circulating fan.
In some embodiments, controlling the fresh air fan speed change may be decreasing the fresh air fan speed and controlling the recycle fan speed change may be increasing the recycle fan speed. In some embodiments, the speed of the recycle fan may be increased while the speed of the fresh air fan is decreased.
The fresh air inlet volume can be reduced by reducing the rotating speed of the fresh air fan, the temperature of the outlet of the fresh air fan is higher than the dew point temperature as far as possible, so that the condensation hazard when fresh air is changed is relieved, the air flow at the fresh air outlet and the disturbance of the increased air can be increased by increasing the rotating speed of the circulating fan, and the condensation hazard when the fresh air is changed can also be relieved.
In addition, for the condensation state of more accurate definite to more accurately control new trend fan, thereby further promote and prevent the condensation effect, the condensation state except can simply divide into and take place the condensation and not take place two kinds of circumstances of condensation, to the circumstances of taking place the condensation, can also further be subdivided into the different condensation degree. Different condensation degrees can represent the amount of condensation generated when condensation occurs, and it can be understood that the larger the condensation degree is, the larger the condensation generated amount is, and the larger the harm to the user is.
The condensation degree is specifically divided into a plurality of levels, and the embodiment of the disclosure is not limited.
In some embodiments, the determining the condensation degree may be performed in combination with the relative humidity, that is, in a case where the first environmental parameter includes a dry bulb temperature, and the second environmental parameter includes a dew point temperature and a relative humidity, if the condensation state is determined to be condensation, based on the first environmental parameter and the second environmental parameter, in this case, the step of generating a control command based on the condensation state and sending the control command to the fresh air fan to control the rotation speed of the fresh air fan includes: : determining a condensation degree corresponding to the condensation state based on the absolute value of the difference between the dry-bulb temperature and the dew-point temperature and the relative humidity; and determining a first target rotating speed instruction for controlling the rotating speed of the fresh air fan from the candidate rotating speed instructions of the fresh air fan based on the condensation degree, and sending the first target rotating speed instruction to the fresh air fan.
In the embodiment of the present disclosure, reference may be made to the foregoing embodiment for determining that the condensation state is condensation based on the first environmental parameter and the second environmental parameter, and details are not repeated here.
In the case that it is determined that the condensation state is condensation, the absolute value of the difference between the dry-bulb temperature and the dew-point temperature may be further divided into different sub-temperature difference ranges, for example, the lower temperature difference limit of the first sub-temperature difference range may be 5 to 13 ℃, the upper temperature difference limit may be 13 to 20 ℃, the lower temperature difference limit of the second sub-temperature difference range may be 13 to 20 ℃, the upper temperature difference limit may be 20 to 35 ℃, and the lower temperature difference limit of the third sub-temperature difference range may be 20 to 35 ℃, and the upper temperature difference limit is not set.
When the absolute value of the difference value between the dry-bulb temperature and the dew point temperature corresponds to the same sub-temperature difference range, the larger the relative humidity is, the larger the condensation degree is.
For example, assuming that two condensation degree levels are set in each sub-temperature difference range, one relative humidity threshold may be set in each sub-temperature difference range, so that for the same sub-temperature difference range, the condensation degree greater than the relative humidity threshold is greater than the relative humidity threshold or equal to the relative humidity threshold, and the condensation degree smaller than the relative humidity threshold is corresponding.
In addition, because the condensation hazards corresponding to different condensation degrees are different, for different condensation degrees, a corresponding first target rotating speed strategy can be adopted to control the rotating speed change of the fresh air fan, and therefore after the condensation degree is determined, a first target rotating speed instruction for controlling the rotating speed of the fresh air fan can be determined from the candidate rotating speed instructions of the fresh air fan based on the condensation degree and sent to the fresh air fan, so that the rotating speed of the fresh air fan is controlled.
In some embodiments, the new air fan candidate instruction includes controlling the new air fan to continuously operate at a first rotation speed or controlling the new air fan to periodically switch between a minimum rotation speed and a stop operation, where the first rotation speed is less than a current rotation speed of the new air fan.
In the embodiment of the disclosure, the first rotating speed is less than the current rotating speed of the fresh air fan, which is equivalent to reducing the rotating speed of the fresh air fan, so that the amount of cold air introduced into the room is reduced, the temperature of the outlet of the fresh air fan is greater than the dew point temperature as much as possible, and the condensation hazard when the fresh air is changed is relieved.
The fresh air fan is controlled to periodically change between the lowest rotating speed and the stop operation, condensation can be generated when the rotating speed of the fresh air fan is reduced, namely the absolute value of the difference value between the dry bulb temperature and the dew point temperature is large, under the condition, condensation can still be generated when the fresh air fan is controlled to operate at the lowest rotating speed, but the generated condensation is less in harm and cannot be processed because the rotating speed of the fresh air fan is small, so that the fresh air fan can be controlled to operate at the lowest rotating speed for a period of time and then stop operating for a period of time in order to meet the requirements of fresh air exchange and relieve the harm brought by condensation, circulation is carried out in such a way, condensation is prevented from being continuously generated, and the harm brought by condensation is further relieved.
For example, the fresh air fan may be controlled to operate at the lowest speed for 1 hour, then stop operating for 2 hours, then operate at the lowest speed for 1 hour, and then stop operating for 2 hours, and so on.
In addition, it can be known from the foregoing that, in addition to controlling the rotation speed of the fresh air blower, the rotation speed of the circulating fan may also be controlled, and therefore, in some embodiments, the method for controlling the indoor unit of the fresh air conditioner may further include: and determining a second target rotating speed instruction for controlling the rotating speed of the circulating fan from the circulating fan candidate rotating speed instructions based on the condensation degree, and sending the second target rotating speed instruction to the circulating fan to control the rotating speed of the circulating fan.
In some embodiments, the circulator blower candidate instruction comprises controlling the circulator blower to continuously operate at a second rotating speed or controlling the circulator blower to periodically change between a current rotating speed and a third rotating speed, wherein the second rotating speed and the third rotating speed are larger than the current rotating speed of the circulator blower.
In the embodiment of the disclosure, the second rotating speed and the third rotating speed are both greater than the current rotating speed of the circulating fan, which is equivalent to increasing the rotating speed of the circulating fan, so that the air flow at the fresh air outlet and the disturbance of air are increased, and the condensation hazard during fresh air exchange can be relieved.
And through control circulating fan periodic transformation between current rotational speed and third rotational speed for after the rotational speed through increasing circulating fan eliminates the condensation, can reduce circulating fan's rotational speed, thereby reduce noise and power consumption in circulating fan work, improve user experience and resources are saved as far as possible when also alleviating the harm that the condensation brought.
By adopting the mode, when the absolute value of the difference value between the dry-bulb temperature and the dew point temperature is in different temperature difference ranges, the corresponding condensation degree can be determined by combining the relative humidity, so that the corresponding target rotating speed strategy is adopted adaptively to relieve the harm of condensation, therefore, the working temperature range of the fresh air handling unit is widened, the use scene is enriched, and better indoor experience is maintained.
Fig. 2 is a block diagram illustrating a configuration of a fresh air conditioner indoor unit control device 200 according to an exemplary embodiment. The device is applied to electronic equipment, wherein, the machine includes the new trend wind channel in the new trend air conditioning, the new trend wind channel includes new trend export and new trend entry, be provided with the new trend fan in the new trend wind channel, refer to figure 2, the device includes: an acquisition module 210, a condensation status determination module 220, and a control module 230. Wherein:
the obtaining module 210 is configured to obtain a first environmental parameter of the fresh air inlet and a second environmental parameter of the fresh air outlet.
A condensation state determination module 220 configured to determine a condensation state based on the first environmental parameter and the second environmental parameter.
And the control module 230 is configured to generate a control instruction based on the condensation state and send the control instruction to the fresh air fan so as to control the rotating speed of the fresh air fan.
In some embodiments, the first environmental parameter comprises a dry bulb temperature, the second environmental parameter comprises a dew point temperature, and the condensation state determination module 220 is further configured to: determining that the condensation state is no condensation when the dry bulb temperature is less than the dew point temperature and the absolute value of the difference between the dry bulb temperature and the dew point temperature meets a preset temperature difference range; and under the condition that the dry bulb temperature is lower than the dew point temperature and the absolute value of the difference between the dry bulb temperature and the dew point temperature does not meet a preset temperature difference range, determining that the condensation state is condensation.
In some embodiments, the condensation state includes both states of condensation and no condensation; the control module 230 is further configured to generate a control instruction for controlling the fan rotating speed of the fresh air handling unit to maintain the current operating state if the condensation state is that condensation does not occur, and send the control instruction to the fresh air handling unit; and if the condensation state is condensation, generating a control instruction for controlling the change of the rotating speed of the fan of the fresh air unit and sending the control instruction to the fresh air fan.
In some embodiments, the first environmental parameter includes a dry bulb temperature, the second environmental parameter includes a dew point temperature and a relative humidity, and the condensation state determination module 220 is further configured to: determining the condensation state as condensation occurrence based on the first environmental parameter and the second environmental parameter; in this case, the control module 230 is further configured to determine a condensation degree corresponding to the condensation state based on the absolute value of the difference between the dry bulb temperature and the dew point temperature and the relative humidity; and determining a first target rotating speed instruction for controlling the rotating speed of the fresh air fan from the candidate rotating speed instructions of the fresh air fan based on the condensation degree, and sending the first target rotating speed instruction to the fresh air fan.
In some embodiments, the new air blower candidate instruction includes controlling the new air blower to continuously operate at a first rotation speed or controlling the new air blower to periodically switch between a minimum rotation speed and a stop operation, where the first rotation speed is less than a current rotation speed of the new air blower.
In some embodiments, the indoor unit of the fresh air conditioner further includes a circulating air duct, a circulating fan is disposed inside the circulating air duct, and the apparatus 200 further includes:
and the circulating fan control module is configured to determine a second target rotating speed instruction for controlling the rotating speed of the circulating fan from the circulating fan candidate rotating speed instructions based on the condensation degree, and send the second target rotating speed instruction to the circulating fan to control the rotating speed of the circulating fan.
In some embodiments, the circulator blower candidate instruction comprises controlling the circulator blower to continuously operate at a second rotating speed or controlling the circulator blower to periodically change between a current rotating speed and a third rotating speed, wherein the second rotating speed and the third rotating speed are larger than the current rotating speed of the circulator blower.
In some embodiments, the absolute value of the difference between the dry-bulb temperature and the dew-point temperature corresponds to the same sub-temperature difference range, and the greater the relative humidity, the greater the degree of condensation.
In some embodiments, the fresh air fan and the sensor for acquiring the first environmental parameter and the second environmental parameter are located in different electronic devices, and the acquiring module is further configured to acquire the first environmental parameter and the second environmental parameter acquired by the sensor in a wireless communication manner.
With regard to the apparatus in the above-described embodiment, the specific manner in which each module performs the operation has been described in detail in the embodiment related to the method, and will not be elaborated here.
Fig. 3 is a block diagram of a fresh air conditioning indoor unit 300 according to an exemplary embodiment.
Referring to fig. 3, the fresh air conditioning indoor unit 300 may include one or more of the following components: a controller 302, a power component 304, a fresh air fan 306, a circulation fan 308, an audio component 310, an input/output (I/O) interface 312, a sensor 314, and a communications component 316.
The controller 302 is communicatively coupled to the fresh air blower 306, the recycle air blower 308, and the sensor 314, respectively, and the controller 302 includes a memory and a processor.
The memory is configured to store various types of data to support operation of the fresh air conditioning indoor unit 300. Examples of such data include instructions for any application or method operating on the fresh air conditioning indoor unit 300, historical data, configuration data, and the like. The memory may be implemented by any type or combination of volatile or non-volatile memory devices, such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.
The processor is used for executing the computer program in the memory, and for example, the processor comprises all or part of the steps for completing the control method of the fresh air conditioner indoor unit. The power component 304 provides power to various components of the fresh air conditioner indoor unit 300. The power components 304 may include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power to the fresh air conditioning indoor units 300.
And the circulating fan 308 is arranged in the circulating air duct, and the circulating fan 308 is used for drawing indoor air into the circulating air duct from the circulating air inlet, exchanging heat with the heat exchanger in the circulating air duct and blowing the heat exchanged indoor air out of the circulating air outlet.
The audio component 310 is configured to output and/or input audio signals. For example, the audio component 310 includes a Microphone (MIC) when the fresh air conditioning indoor unit 300 is in an operation mode, such as a heating mode and a cooling mode. The received audio signal may further be stored in a memory or transmitted via the communication component 316. In some embodiments, audio component 310 also includes a speaker for outputting audio signals.
The I/O interface 312 provides an interface between the processor and peripheral interface modules, which may be click wheels, buttons, etc.
The sensor 314 is used for providing state evaluation of various aspects for the fresh air conditioner indoor unit 300. The sensor 314 may include various types, for example, the sensor 314 may detect an on/off state of the air conditioner 300, the sensor 314 may detect a change in position of the fresh air conditioner indoor unit 300 or one or more components of the fresh air conditioner indoor unit 300, the presence or absence of user contact with the fresh air conditioner indoor unit 300, a change in temperature of the fresh air conditioner indoor unit 300, a first environmental parameter at a fresh air inlet side, and a second environmental parameter at a fresh air outlet side. The sensor 314 may also include a temperature sensor, a humidity sensor, and the like.
The communication component 316 is configured to facilitate wired or wireless communication between the fresh air conditioning indoor unit 300 and other devices. The fresh air conditioner indoor unit 300 can access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof. In an exemplary embodiment, the communication component 316 receives a broadcast signal or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 316 further includes a Near Field Communication (NFC) module to facilitate short-range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, Ultra Wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
In an exemplary embodiment, the fresh air conditioning indoor unit 300 may be implemented by one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), controllers, micro-controllers, microprocessors or other electronic components, for performing the above-described fresh air conditioning indoor unit control method.
In an exemplary embodiment, there is also provided a system comprising an intelligent gateway or server, the overall structure of which is substantially similar to that of the aforementioned air conditioner, except that the intelligent gateway or server does not have a fresh air duct and a fresh air blower, and the intelligent gateway or server may have a multimedia component comprising a screen providing an output interface between the intelligent gateway or server and the user. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive an input signal from a user. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component includes a front facing camera and/or a rear facing camera. When the intelligent gateway or the server is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera can receive external multimedia data. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.
In an exemplary embodiment, a non-transitory computer-readable storage medium including instructions, such as a memory including instructions, which are executable by a processor of an air conditioner, an intelligent gateway or a server to perform the above fresh air conditioner indoor unit control method is also provided. For example, the non-transitory computer readable storage medium may be a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.
In another exemplary embodiment, a computer program product is also provided, which contains a computer program executable by a programmable device, the computer program having code portions for performing the above-mentioned fresh air conditioning indoor unit control method when being executed by the programmable device.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (13)
1. A control method for a fresh air conditioner indoor unit is characterized in that the fresh air conditioner indoor unit comprises a fresh air duct, the fresh air duct comprises a fresh air outlet and a fresh air inlet, a fresh air fan is arranged in the fresh air duct, and the method comprises the following steps:
acquiring a first environmental parameter of the fresh air inlet and a second environmental parameter of the fresh air outlet;
determining a condensation state based on the first environmental parameter and the second environmental parameter;
and generating a control instruction based on the condensation state, and sending the control instruction to the fresh air fan to control the rotating speed of the fresh air fan.
2. The method of claim 1, wherein the first environmental parameter comprises a dry bulb temperature, the second environmental parameter comprises a dew point temperature, and the determining a condensation state based on the first environmental parameter and the second environmental parameter comprises:
determining that the condensation state is no condensation when the dry bulb temperature is less than the dew point temperature and the absolute value of the difference between the dry bulb temperature and the dew point temperature meets a preset temperature difference range;
and under the condition that the dry bulb temperature is lower than the dew point temperature and the absolute value of the difference between the dry bulb temperature and the dew point temperature does not meet a preset temperature difference range, determining that the condensation state is condensation.
3. The method of claim 1, wherein the condensation state comprises both condensation and non-condensation states; based on the condensation state, generate control instruction and send for the new trend fan is in order to control the new trend fan rotational speed, include:
if the condensation state is that condensation does not occur, generating a control instruction for controlling the rotating speed of the fresh air fan to maintain the current running state, and sending the control instruction to the fresh air fan;
and if the condensation state is condensation, generating a control instruction for controlling the change of the rotating speed of the fresh air fan and sending the control instruction to the fresh air fan.
4. The method of claim 1, wherein the first environmental parameter comprises a dry bulb temperature, the second environmental parameter comprises a dew point temperature and a relative humidity, and the determining a condensation state based on the first environmental parameter and the second environmental parameter comprises:
determining the condensation state as condensation occurrence based on the first environmental parameter and the second environmental parameter;
based on the condensation state, generate control instruction and send for the new trend fan is in order to control the new trend fan rotational speed, include:
determining a condensation degree corresponding to the condensation state based on the absolute value of the difference between the dry-bulb temperature and the dew-point temperature and the relative humidity;
and determining a first target rotating speed instruction for controlling the rotating speed of the fresh air fan from the candidate rotating speed instructions of the fresh air fan based on the condensation degree, and sending the first target rotating speed instruction to the fresh air fan.
5. The method of claim 4, wherein the new air fan candidate command comprises controlling the new air fan to continuously operate at a first speed or controlling the new air fan to periodically switch between a minimum speed and a stopped operation, the first speed being less than a current speed of the new air fan.
6. The method of claim 4, wherein the fresh air conditioning indoor unit further comprises a circulating air duct, a circulating fan is arranged inside the circulating air duct, and the method further comprises:
and determining a second target rotating speed instruction for controlling the rotating speed of the circulating fan from the circulating fan candidate rotating speed instructions based on the condensation degree, and sending the second target rotating speed instruction to the circulating fan to control the rotating speed of the circulating fan.
7. The method of claim 6, wherein the circulator blower candidate command comprises controlling the circulator blower to continuously operate at a second rotational speed or controlling the circulator blower to periodically shift between a current rotational speed and a third rotational speed, the second rotational speed and the third rotational speed being greater than the current rotational speed of the circulator blower.
8. The method according to any one of claims 4 to 7, wherein the greater the relative humidity, the greater the degree of condensation when the absolute value of the difference between the dry bulb temperature and the dew point temperature corresponds to the same sub-temperature difference range.
9. The method according to any one of claims 1-7, wherein the fresh air blower and the sensor for acquiring the first environmental parameter and the second environmental parameter are located on different electronic devices, and the acquiring the first environmental parameter of the fresh air inlet and the second environmental parameter of the fresh air outlet comprises:
and acquiring the first environmental parameter and the second environmental parameter acquired by a sensor in a wireless communication mode.
10. The utility model provides a fresh air conditioner indoor set controlling means, its characterized in that, fresh air conditioner indoor set includes the fresh air wind channel, the fresh air wind channel includes fresh air export and fresh air entry, be provided with new trend fan in the fresh air wind channel, the device includes:
the acquisition module is configured to acquire a first environmental parameter of the fresh air inlet and a second environmental parameter of the fresh air outlet;
a condensation state determination module configured to determine a condensation state based on the first environmental parameter and the second environmental parameter;
and the control module is configured to generate a control instruction based on the condensation state and send the control instruction to the fresh air fan so as to control the rotating speed of the fresh air fan.
11. The utility model provides a machine in new trend air conditioning which characterized in that includes:
the fresh air duct is internally provided with a fresh air fan which is used for pumping outdoor air into the fresh air duct from a fresh air inlet and blowing the outdoor air out of a fresh air outlet of the fresh air duct into a room;
the sensor is used for detecting a first environmental parameter of the fresh air inlet and a second environmental parameter of the fresh air outlet;
the controller is in communication connection with the fresh air fan and the sensor respectively and comprises a memory and a processor, and a computer program is stored in the memory; the processor for executing the computer program in the memory to implement the steps of the method of any one of claims 1-9.
12. An intelligent gateway, comprising:
a memory having a computer program stored thereon;
a processor for executing the computer program in the memory to carry out the steps of the method of any one of claims 1 to 9.
13. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 9.
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