CN115807991A - Fresh air conditioner and healthy sleep control method thereof - Google Patents
Fresh air conditioner and healthy sleep control method thereof Download PDFInfo
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Abstract
The invention provides a fresh air conditioner health sleep control method and a fresh air conditioner, wherein the method comprises the following steps: s3: acquiring temperature parameters and indoor CO at current moment in real time or at fixed time 2 Concentration, wherein the temperature parameters comprise a set temperature Ts, an indoor environment temperature Tn, an outdoor environment temperature Tw and a first temperature difference absolute value delta T = | Tn-Ts |; s4: according to the temperature parameter, indoor CO 2 The air circulation mode is switched to operate to one of an inner circulation mode, an outer circulation mode and an inner and outer double circulation mode according to a first judgment result of the concentration; s5: the main fan and the auxiliary fan start and stop responding according to the real-time change of the air circulation mode, and the auxiliary fan responds to delta T, the current main fan rotating speed and/or indoor CO 2 The second determination result of the concentration adjusts the rotating speed of the auxiliary fan in real time; s6: steps S3-S5 are performed in a loop. By the fresh air conditioner health sleep control method and the fresh air conditioner, the indoor environment is perfectly fit with the comfortable sleep state of a human body, and the health sleep of a user is deeply cared.
Description
Technical Field
The invention relates to the technical field of air conditioning, in particular to a fresh air conditioner and a healthy sleep control method thereof.
Background
With the increasing attention paid to indoor air quality, the fresh air conditioner has been more and more pursued by people because the fresh air conditioner can provide fresh air ventilation function in the closed room.
In the prior art, most of sleep modes of the fresh air conditioner do not have adaptive adjustment capability, or only have adaptive adjustment capability for temperature and humidity adjustment at most, but the adaptive adjustment effect is not satisfactory, and the purpose of deeply caring the healthy sleep of a user is difficult to achieve.
Disclosure of Invention
In view of this, the technical problem to be solved by the present invention is: the first aspect of the invention is to provide a fresh air conditioner healthy sleep control method, so that when a user is in a sleep state, the fresh air conditioner can timely perform multi-directional and more refined adaptive adjustment on an indoor environment according to human sleep characteristics and real-time changes of a sleep environment, so that the indoor environment perfectly agrees with the human sleep state, and the healthy sleep of the user is deeply cared.
In order to solve the technical problem of the first aspect, the invention provides a healthy sleep control method for a fresh air conditioner, which comprises the following steps:
s1: receiving a health sleep function starting instruction;
s3: acquiring temperature parameters and indoor CO at current moment in real time or at regular time 2 Concentration, wherein the temperature parameters comprise a set temperature Ts, an indoor environment temperature Tn, an outdoor environment temperature Tw and a first temperature difference absolute value delta T = | Tn-Ts |;
s4: according to the temperature parameter, indoor CO 2 The air circulation mode is switched to operate to one of an inner circulation mode, an outer circulation mode and an inner and outer double circulation mode according to a first judgment result of the concentration;
s5: the main fan and the auxiliary fan start and stop responding according to the real-time change of the air circulation mode, and the auxiliary fan responds to the delta T, the current main fan rotating speed and/or indoor CO 2 The second determination result of the concentration adjusts the rotating speed of the auxiliary fan in real time;
s6: circularly executing the steps S3-S5 until a health sleep function quitting instruction is received;
s7: the fresh air conditioner exits the healthy sleep function.
By the healthy sleep control method of the fresh air conditioner, when a user is in a sleep state, the fresh air conditioner can timely control indoor environment such as indoor temperature and indoor CO according to sleep characteristics of the human body and real-time change of the sleep environment 2 The concentration and the noise are adjusted in a multi-directional and more refined self-adaptive way, so that the indoor environment and the human body are comfortable to sleepThe states are perfectly fit, and the healthy sleep of the user is deeply cared.
Preferably, at least a purifying device is arranged in a fresh air system of the fresh air conditioner.
The purification device is combined for use on the basis of combining the air circulation mode, the air turbidity and even the humidity in the indoor environment can be controlled more effectively, and the healthy sleep of the user can be further deeply cared.
Preferably, the set temperature Ts is automatically adjusted according to a "preset temperature curve based on a sleep period of a human body".
When the set temperature Ts is a variable and is automatically adjusted according to a preset temperature curve, the Ts obviously conforms to the real-time change of the sleep characteristics and the sleep environment of a human body, and further when the fresh air conditioner also has the self-adaptive adjustment on the Ts, the fresh air conditioner adjusts the indoor temperature and the indoor CO 2 The multi-azimuth self-adaptive adjustment of concentration, noise, air turbidity, humidity and the like is more refined and intelligent, and is more favorable for deeply caring the healthy sleep of the user.
Preferably, after step S1 and before step S3, the method further comprises the steps of:
s2: the fresh air conditioner is started to operate for N minutes in an internal and external double circulation mode of 'a main fan is in accordance with a preset gear of a user, and an auxiliary fan is in accordance with a default low-wind gear'.
After the healthy sleep function is started, the temperature parameter and indoor CO are firstly detected and obtained 2 Before concentration, ensuring that indoor air flows in advance is beneficial to improving indoor CO in step S3 2 The detection accuracy of the concentration.
Preferably, step S4 includes the following specific operation steps:
s401: judging whether the delta T is less than or equal to a first preset temperature difference absolute value delta T';
s402: if yes, judging indoor CO 2 Whether the concentration is the first detection value or shows an ascending trend; if not, executing step S42;
s403: if yes, judging indoor CO 2 Whether the concentration is greater than or equal to a first concentration threshold value; if not, go to step S407;
s404: if yes, go to step S43; if not, judging indoor CO 2 Whether the concentration is greater than or equal to a second concentration threshold value;
s405: if yes, judging indoor CO 2 Whether the concentration is continuously greater than or equal to a second concentration threshold value within a first preset time period in the future or not; if not, executing step S42;
s406: if yes, go to step S43; if not, executing step S42;
s407: determination of indoor CO 2 Whether the concentration is greater than or equal to a third concentration threshold value;
s408: if yes, go to step S43; if not, judging indoor CO 2 Whether the concentration is less than or equal to a fourth concentration threshold value;
s409: if yes, judging indoor CO 2 Whether the concentration is continuously less than or equal to a fourth concentration threshold value in a second preset time period in the future or not; if not, executing step S42;
s410: if yes, go to step S41; if not, executing step S42;
s41: the air circulation mode is switched to an internal circulation mode;
s42: the air circulation mode is switched to an internal and external double circulation mode;
s43: the air circulation mode is switched to an external circulation mode;
wherein the first density threshold > the second density threshold > the third density threshold > the fourth density threshold.
The input, operation and exit of the fresh air function and the input intensity of the fresh air function in the operation process also have the function of indoor CO 2 The pre-judging function of the concentration ensures that the air circulation mode not only is in communication with indoor CO 2 The real-time change of the concentration is matched with the real-time change of the indoor temperature parameter on the basis of giving priority to the indoor temperature parameter.
Preferably, during the loop execution of steps S3-S5, the switching operation of the air circulation mode includes the following switching operation steps:
s441: step S43, switching operation to step S42 according to the first judgment result, and judging whether the uninterrupted operation time length of step S43 is greater than or equal to a third preset time length;
s442: if yes, directly switching; if not, switching is performed after the uninterrupted operation time length of the step S43 is kept to be greater than or equal to the third preset time length.
Setting of the third preset duration is beneficial to maintaining indoor CO 2 The optimal balance between the concentration and the indoor temperature parameters can be realized, and the excessive operation burden on the fresh air conditioner can be avoided.
Preferably, before step S401, step S4 further includes one of the following operation steps:
s401': judging whether Tw is less than or equal to a first outdoor temperature in a cooling mode or whether Tw is more than or equal to a third outdoor temperature in a heating mode; if yes, sequentially executing the steps S401-S410; if not, executing step S42;
s402': judging whether Tw in the cooling mode is less than or equal to a second outdoor temperature or whether Tw in the heating mode is greater than or equal to a fourth outdoor temperature; if yes, go to step S401'; if not, judging indoor CO 2 Concentration of CO in the room 2 When the concentration is equal to or higher than the first concentration threshold, step S42 is executed to set CO in the room 2 When the density is smaller than the first density threshold value, step S41 is executed.
Further ensures the indoor thermal comfort and the indoor CO when the outdoor environment temperature is under an extreme value 2 An equilibrium between the concentrations.
Preferably, step S5 includes the following specific operating steps:
s501: judging whether the delta T is less than or equal to a second preset temperature difference absolute value delta T;
s502: if yes, go to step S503; if not, go to step S511;
s503: determination of indoor CO 2 Whether the concentration is less than or equal to a fourth concentration threshold value;
s504: if yes, go to step S52 and continue to determine the indoor CO 2 Whether the concentration is continuously less than or equal to a fourth concentration threshold value in a second preset time period in the future or not; if not, go to step S507;
s505: if yes, go to step S51; if not, judging indoor CO 2 Whether the concentration is greater than a second concentration threshold;
s506: if yes, go to step S54; if not, go to step S53;
s507: determination of indoor CO 2 Whether the concentration is less than or equal to a second concentration threshold value;
s508: if yes, go to step S53 and continue to determine indoor CO 2 Whether the concentration is continuously between the fourth concentration threshold and the second concentration threshold in a sixth preset time period in the future; if not, executing step S54;
s509: if yes, go to step S54; if not, judging indoor CO 2 Whether the concentration is less than or equal to a second concentration threshold value;
s510: if yes, go to step S55; if not, executing step S54;
s511: judging whether the current rotating speed of the main fan is a first limited gear or not;
s512: if yes, go to step S52; if not, go to step S503;
s51: the auxiliary fan is shut down;
s52: the auxiliary fan is switched to operate to a low wind gear;
s53: the auxiliary fan is switched to operate to a stroke gear;
s54: the auxiliary fan is switched to operate to a high wind gear;
s55: the auxiliary fan keeps the current gear to continue running;
where 0 ≦ Δ T "< Δ T'.
For indoor CO 2 Multidirectional and more refined adaptive adjustment of other layers such as concentration can be further enhanced, and the healthy sleep of the user can be further cared for deeply.
Preferably, when the step S3 does not detect and acquire indoor CO within a fifth preset time period 2 And during concentration, the air circulation mode in the step S4 continuously operates according to an internal and external double circulation mode, and the rotating speed of the auxiliary fan in the step S5 continuously operates according to the rotating speed of a low wind gear.
Equivalent to setting the backup condition of automatic operation of the fresh air function. Thereby even in CO 2 In case of sensor failure, first determinationThe determination result, even the second determination result, can not be obtained, so that the fresh air ventilation volume in the room to a certain degree can be ensured, and the thermal comfort of the room is maintained.
The technical problems to be solved by the invention are as follows: the second aspect provides a fresh air conditioner, when making the user be in the sleep state, fresh air conditioner can in time carry out diversified and more meticulous self-adaptation regulation to the indoor environment according to human sleep characteristic and the real-time change of sleep environment, and then makes indoor environment and human state of sleeping comfortable agree with perfectly, and the healthy sleep of deep care user.
In order to solve the technical problem of the second aspect, the present invention provides a fresh air conditioner, including a computer-readable storage medium storing a computer program and a processor, where the computer program is read by the processor and executed to implement the method according to any one of the embodiments of the first aspect.
Compared with the prior art, the fresh air conditioner health sleep control method and the fresh air conditioner have the following beneficial effects:
when the user is in the sleep state, the fresh air conditioner can timely perform multidirectional and more refined self-adaptive adjustment on the indoor environment according to the sleep characteristics of the human body and the real-time change of the sleep environment, so that the indoor environment and the comfortable sleep state of the human body are perfectly fit, and the healthy sleep of the user is deeply cared.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, illustrate embodiments of the invention and together with the description serve to explain the invention and are not to limit the invention. In the drawings:
fig. 1 is a simplified structural schematic diagram of a fresh air conditioner according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a functional control logic of the method for controlling healthy sleep of a fresh air conditioner according to embodiment 1 of the present invention;
fig. 3 is a schematic flowchart of a detection module according to embodiment 1 of the present invention;
fig. 4 is a schematic diagram of a control logic of an air circulation mode under the function of self-adaptive adjustment for a healthy sleep according to embodiment 1 of the present invention;
fig. 5 is a schematic diagram of a control logic of an auxiliary air blower in adaptive adjustment under a healthy sleep function according to embodiment 1 of the present invention.
Detailed Description
In order to make the aforementioned objects, technical solutions and advantages of the present invention more comprehensible, the present invention will be described in further detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are only some of the embodiments constituting the present invention, and are not intended to limit the present invention, and the embodiments and features of the embodiments may be combined with each other without conflict.
Referring to fig. 1-2, a fresh air conditioner according to the present invention includes an inner air duct circulation system and a fresh air system, which are independent from each other, wherein the inner air duct circulation system has a main blower, the fresh air system has an auxiliary blower, and the fresh air conditioner has three air circulation regulation modes (hereinafter referred to as "air circulation modes"):
1) An internal circulation mode, in which only the internal air duct circulation system is put into operation;
2) An internal and external double circulation mode, namely an internal machine air duct circulation system and a fresh air system are put into operation;
3) An external circulation mode, in which only the fresh air system is put into operation;
it can be understood that the intensity of the fresh air function will be increased step by step according to the sequence of 1 to 3.
Wherein, be provided with purifier in the new trend system at least, purifier can have dust removal and the function of disinfecting, perhaps still can start the humidification dehumidification function according to humidity control needs, for example purifier can contain HAPE dust removal module and UVC sterilization module, all is provided with purifier in preferred new trend system and the interior wind channel circulation system. In addition, the fresh air conditioner also comprises a detection module, the internal air duct circulating system also comprises an indoor main controller, and the fresh air system also comprises an outdoor main controller.
Taking the application of the UVC sterilization module in the fresh air system as an example, the outdoor main controller refers to the detection result of the detection module on the indoor environment and the outdoor environment, the auxiliary fan is controlled to operate according to the preset rotating speed, outdoor fresh air enters the fresh air system through the fresh air inlet, the UVC sterilization module is applied, and microorganisms, bacteria and the like contained in the outdoor fresh air enter the room through the fresh air outlet after being purified by the UVC sterilization module.
In the prior art, when a user is in a sleep state, the fresh air conditioner cannot perform multidirectional and more fine adaptive adjustment on the indoor environment in time according to the sleep characteristics of the human body and the real-time change of the sleep environment, for example, the indoor environment may be shown due to temperature, humidity and CO 2 When any one of the factors such as concentration, air turbidity, noise and the like can not perfectly fit with the sleeping state of the human body, the aim of deeply caring the healthy sleep of the user can not be achieved.
As an effective supplement to the adaptive adjustment of the temperature and the humidity in the prior art, the invention can ensure that the fresh air conditioner can timely perform multi-directional and more refined adaptive adjustment on the indoor environment according to the sleep characteristics of the human body and the real-time change of the sleep environment when a user is in a sleep state through the comprehensive control on the aspects of the combined application of the air circulation mode and the purification device thereof, the adjustment of the rotating speed of the main fan and the auxiliary fan and the like, thereby achieving the purpose of deeply caring the healthy sleep of the user, and the following description is given in more detail by combining with the embodiment.
Example 1
As shown in fig. 1-5, the invention provides a healthy sleep control method for a fresh air conditioner, which comprises the following steps:
s1: receiving a healthy sleep function starting instruction;
s3: acquiring temperature parameters and indoor CO at current moment in real time or at regular time 2 Concentration, wherein the temperature parameters comprise a set temperature Ts, an indoor environment temperature Tn, an outdoor environment temperature Tw and a first absolute temperature difference value delta T = | Tn-Ts |;
s4: according to the temperature parameter, indoor CO 2 First determination of concentration, emptyThe air circulation mode is switched to operate to one of an inner circulation mode, an outer circulation mode and an inner and outer double circulation mode;
s5: the main fan and the auxiliary fan start and stop responding according to the real-time change of the air circulation mode, and the auxiliary fan responds to delta T, the current main fan rotating speed and/or indoor CO 2 The second determination result of the concentration is used for adjusting the rotating speed of the auxiliary fan in real time;
s6: circularly executing the steps S3-S5 until receiving the exit instruction of the healthy sleep function;
s7: the fresh air conditioner exits the healthy sleep function.
Specifically, before the health sleep function start instruction is received, the air circulation mode is one of an internal circulation mode, an external circulation mode and an internal and external dual circulation mode, for example, even if the fresh air conditioner is just started to operate or an enable instruction of the fresh air function is not received in the operation process, the fresh air conditioner can operate in the internal circulation mode by default. Once a healthy sleep function starting instruction is received, the user is represented to be in a sleep state, and then in the whole sleep period, the fresh air function is put into operation in one of an external circulation mode and an internal and external double circulation mode or is switched off (namely switched to the internal circulation mode) according to the requirement of a first judgment result so as to finely switch the intensity of the fresh air function, so that on the basis of ensuring that the indoor temperature parameters Ts, tn and Delta T are adjusted to appropriate levels as soon as possible, the indoor CO is considered 2 The influence of the concentration on the healthy sleep of the user ensures that the input, the operation and the exit of the fresh air function are matched with the real-time change of the sleep environment of the user, and the multidirectional and more refined self-adaptive adjustment of the indoor environment is realized in time.
Furthermore, the above multi-directional and more refined adaptive adjustment also includes adaptive adjustment of noise, and especially when Δ T may not reach the standard, the user usually cannot enter deep sleep quickly, and at this time, the tolerance of the user to the fan operation noise is lower no matter whether the fan is a main fan or an auxiliary fan. In the prior art, the rotating speed of a main fan is in a sleep modeThere are many setting forms, such as a fixed setting in one of the low wind gear and the mute wind gear, or an automatic self-adjustment in the low wind gear and the mute wind gear according to the temperature parameter, and the invention is not limited in this respect. In the invention, when the main fan and the auxiliary fan start and stop according to the real-time change of the air circulation mode, and the auxiliary fan selects to start or switch operation, the rotating speed of the auxiliary fan is adjusted in real time according to a second judgment result, and then the indoor CO is subjected to real-time adjustment 2 On the basis of considering the concentration, the influence of the running noise of the fan on the healthy sleep of the user in different sleep stages is also preferably considered. It can be understood that, because the main control temperature of the main fan and the main control fresh air exchange of the auxiliary fan are taken into consideration, on the basis of considering the logic, the fan rotating speeds of the main fan and the auxiliary fan are corresponding to the indoor temperature parameters Tn and delta T and the indoor CO 2 The concentration will all be affected, whereby Tn, Δ T, indoor CO 2 The concentration and the noise are further balanced based on the sleeping time period of the user, and the multidirectional and more refined self-adaptive adjustment of the indoor environment is facilitated.
Therefore, according to the fresh air conditioner health sleep control method provided by the invention, when a user is in a sleep state, the fresh air conditioner can timely perform multi-directional and more refined self-adaptive adjustment on the indoor environment according to the sleep characteristics of the human body and the real-time change of the sleep environment, so that the indoor environment is perfectly fit with the sleep state of the human body, and the health sleep of the user is deeply cared.
Preferably, at least a purifying device is arranged in a fresh air system of the fresh air conditioner.
Specifically, the purification device is put into use in a combined mode on the basis of combining an air circulation mode, so that at least all outdoor fresh air entering an indoor room is purified; when the inner machine air duct circulating system is also provided with the purifying device, the air turbidity and the humidity in the indoor environment can be more effectively controlled no matter in an outer circulating mode or even an inner and outer double circulating mode or in any one of the inner circulating mode and the inner and outer double circulating mode, and the healthy sleep of the user can be further and deeply cared.
Preferably, the set temperature Ts is automatically adjusted according to a "preset temperature curve based on a sleep period of a human body".
Specifically, when the set temperature Ts is a variable and is automatically adjusted according to a preset temperature curve, the Ts obviously better conforms to the sleep characteristics of the human body and the real-time change of the sleep environment, and further, when the fresh air conditioner also has adaptive adjustment on Ts, the fresh air conditioner is obviously more beneficial to deeply caring the healthy sleep of the user. Wherein, the preset temperature curve may refer to: based on the sleep time interval of the user, a fitting curve for the set temperature is specially fitted to ensure that the fitting curve is most suitable for the sleep characteristics of the human body and the real-time change of the sleep environment. In the invention, when Ts is adaptively adjusted, the self-adaptive adjustment is carried out on the delta T = | Tn-Ts | and the first judgment result and the second judgment result are possibly influenced, so that the indoor temperature and the indoor CO are further adjusted 2 The multi-azimuth self-adaptive adjustment of concentration, noise, air turbidity and humidity is more refined and intelligent.
Further, if an increase and decrease signal of the set temperature Ts by the user is received in the operation process of the healthy sleep function, in a future period of time, for example, in a future hour, not only the Ts value itself, but also the determination operation of the Δ T, the first determination result and the second determination result are all adaptively adjusted based on the Ts value newly set by the user, until the fresh air conditioner does not receive a new increase and decrease signal of the Ts in the future hour, the set temperature Ts will continue to be automatically adjusted according to a "preset temperature curve based on the sleep time period of the human body".
Preferably, after step S1 and before step S3, the method further comprises the steps of:
s2: the fresh air conditioner is started to operate for N minutes in an internal and external double-circulation mode of 'a main fan according to a preset gear of a user and an auxiliary fan according to a default low-wind gear'.
Specifically, in the present invention, the main fan and the auxiliary fan may be provided with a low wind gear, a medium wind gear, and a high wind gear, for example, and the main fan may also be provided with a mute gear. As described above, the setting form of the main fan rotation speed in the sleep mode is not particularly limited in the present invention, and the user only needs to preset the user preset gear in step S2 based on the healthy sleep function, but the user preset gear does not represent the setting form of the main fan rotation speed in the healthy sleep function and is necessarily a fixed setting, and is only used to represent the start gear of the main fan at the time of turning on the healthy sleep function, for example, the start gear, that is, the user preset gear in step S2 may be set to any one of the mute gear and the low wind gear according to the personal preference of the user.
For step S2, it is located after step S1 and before step S3, that is, after the healthy sleep function is turned on, the temperature parameter and the indoor CO are first detected and obtained 2 Before concentration, ensuring that indoor air flows in advance is beneficial to improving indoor CO in step S3 2 The concentration detection accuracy, and further during the cyclic operation of steps S3-S5, the main fan rotation speed can still be adjusted by itself according to the temperature control logic in the sleep mode in the prior art, for example, in the low wind gear and the mute gear.
Preferably, after step S1 and before step S2, the method further comprises the steps of:
and S2': judging whether the fresh air conditioner is in a refrigeration mode, if so, correcting and executing the set rotating speed of each gear of the main fan according to the lower correction rotating speed in the refrigeration mode; if not, directly executing the step S2.
Specifically, because the fresh air conditioner comprises the indoor unit air duct circulating system and the fresh air system which are arranged independently, in a refrigeration mode, outdoor fresh air is higher in temperature and is converged with cold air blown out by the main fan when entering a room, condensation risks are easily generated on the surface of an air guide mechanism of the fresh air system, the refrigeration performance of the fresh air conditioner is limited to a certain extent by properly modifying the actual rotating speed of each gear of the main fan, the limitation is slight for deeply caring the healthy sleep of a user, the air outlet temperature of the main fan is properly increased, the condensation condition can be greatly improved, and the service life of the fresh air conditioner is favorably prolonged. More specifically, the following formula:
1) Stroke gear rotating speed correction = stroke gear rotating speed x alpha (the calculation result is rounded);
2) Correcting the low-wind gear rotating speed = correcting the low-wind gear rotating speed multiplied by beta (the calculation result is rounded);
3) The mute gear rotating speed correction = mute gear rotating speed multiplied by 1;
wherein 0< α < β <1.
And in the heating mode, because no condensation risk exists, the heating mode does not need to be repaired. Meanwhile, it should be noted here that, in the healthy sleep function, the main fan can only be operated at the middle wind gear speed when the rotation speed of the main fan is high, and preferably can only be automatically adjusted in the low wind gear and the mute gear, regardless of the heating mode or the cooling mode.
Preferably, step S4 includes the following specific operation steps:
s401: judging whether the delta T is less than or equal to a first preset temperature difference absolute value delta T';
s402: if yes, judging indoor CO 2 Whether the concentration is the first detection value or shows an ascending trend; if not, executing step S42;
s403: if yes, judging indoor CO 2 Whether the concentration is greater than or equal to a first concentration threshold value; if not, go to step S407;
s404: if yes, go to step S43; if not, judging indoor CO 2 Whether the concentration is greater than or equal to a second concentration threshold value;
s405: if yes, judging indoor CO 2 Whether the concentration is continuously greater than or equal to a second concentration threshold value within a first preset time period in the future or not; if not, executing step S42;
s406: if yes, go to step S43; if not, executing step S42;
s407: determination of indoor CO 2 Whether the concentration is greater than or equal to a third concentration threshold value;
s408: if yes, go to step S43; if not, judging indoor CO 2 Whether the concentration is less than or equal to a fourth concentration threshold value;
s409: if yes, judging indoor CO 2 Whether the concentration is continuously less than or equal to a fourth concentration threshold value in a second preset time period in the future or not; if it isIf not, executing step S42;
s410: if yes, go to step S41; if not, executing step S42;
s41: the air circulation mode is switched to an internal circulation mode;
s42: the air circulation mode is switched to an internal and external double circulation mode;
s43: the air circulation mode is switched to an external circulation mode;
wherein the first concentration threshold > the second concentration threshold > the third concentration threshold > the fourth concentration threshold.
Specifically, the first preset temperature difference absolute value Δ T' may be set to 2 ℃, for example; the first concentration threshold, the second concentration threshold, the third concentration threshold, and the fourth concentration threshold may be set to 2000ppm, 1500ppm, 1200ppm, and 600ppm, respectively; the first preset time period and the second preset time period may be set to 60 seconds and 10 minutes, respectively. In both the heating mode and the cooling mode, when the delta T deviates from an appropriate level, the fresh air function ensures the deviation correction of the delta T according to the input intensity of an internal and external double circulation mode; when the delta T is at an appropriate level, the fresh air function is only indoor CO 2 The operating trend of the concentration and the current suitability degree thereof regulate the input intensity of the fresh air function.
The input, operation and exit of the fresh air function and the input intensity of the fresh air function in the operation process also have the function of indoor CO 2 The pre-judging function of the concentration ensures that the air circulation mode not only is in communication with indoor CO 2 The real-time change of the concentration is matched with the real-time change of the indoor temperature parameter on the basis of giving priority to the indoor temperature parameter.
Of course, as another preferred embodiment of the present invention, the first concentration threshold may also be set by default, that is, step S403 and step S404 may also be combined and simplified as follows: if yes, judging indoor CO 2 Whether the concentration is greater than or equal to a second concentration threshold value; if not, go to step S407.
Preferably, during the loop execution of steps S3-S5, the switching operation of the air circulation mode includes the following switching operation steps:
s441: step S43, when the operation is switched to step S42 according to the first judgment result, judging whether the uninterrupted operation time length of step S43 is more than or equal to a third preset time length;
s442: if yes, directly switching; if not, switching is performed after the uninterrupted operation time length of the step S43 is kept to be greater than or equal to the third preset time length.
Specifically, when Δ T is temporarily at an appropriate level, indoor CO is present 2 When the concentration is relatively high, the input intensity of the fresh air function can be switched to the strongest state of the external circulation mode according to the requirement of the first judgment result, but the operation of the external circulation mode can quickly lead to that the delta T is not at a proper level any more, and at the moment, if the input intensity of the fresh air function is still weakened immediately by the delta T in priority, indoor CO is used 2 The concentration is still relatively high but cannot be quickly relieved, so that the deep care of the healthy sleep of the user is not facilitated; and secondly, the air circulation mode is switched too frequently. While a third preset duration is advantageous for maintaining indoor CO 2 The optimal balance between the concentration and the indoor temperature parameters can be realized, and the excessive operation burden on the fresh air conditioner can be avoided. Meanwhile, in step S3, it is possible to adopt a timing acquisition mode for the detection and acquisition of various operation parameters, and then the acquisition of a new round of the first determination result is not likely to be synchronized with the third preset time duration and thus only lags behind the third preset time duration, that is, the meaning of line switching is: the switching can be performed directly without obtaining a new first determination result, because the degree of deviation of Δ T from the appropriate level is only increased more and more even though Ts is a variable and is automatically adjusted according to the preset temperature curve in the continuous forced operation of the external circulation mode, and the deviation degree of Δ T needs to be improved by switching to step S42 urgently. It should be noted that, the third preset time period is not set too long or too short, and may be set to 10 minutes, for example, which is preferable; meanwhile, if a timing acquisition mode is adopted in the step S3, the detection acquisition of temperature parameters and the indoor CO are carried out 2 The acquisition cycles of the detection of the concentration are preferably synchronized to facilitate the calculation.
Preferably, during the cycle execution of steps S3 to S5, the switching operation of the air circulation mode further includes the following switching operation step:
s451: step S41, according to the first judgment result, switching operation to any one of step S42 or step S43, and judging whether the fresh air function is put into operation for the first time;
s452: if yes, directly switching; if not, judging whether the uninterrupted operation time length of the step S41 is more than or equal to a fourth preset time length;
s453: if yes, directly switching; if not, switching is performed after the uninterrupted operation time length of the step S41 is kept to be greater than or equal to the fourth preset time length.
Specifically, the fresh air function, when it exits operation, generally represents indoor CO 2 The concentration is already at an extremely low level even in the later period of indoor CO 2 The concentration varies dramatically but is still insufficient to rise to an unpleasant level in a short period of time, so that one can try to ensure that the extent to which Δ T deviates from the desired level approaches 0 indefinitely, rather than just meeting Δ T at just Δ T<The proper level of delta T' is forced to be put into a fresh air function immediately according to the requirement of the first judgment result, which is beneficial to keeping indoor CO 2 The optimal balance between the concentration and the indoor temperature parameters further deeply cares the healthy sleep of the user, and meanwhile, the fresh air conditioner is not overloaded. In the present invention, the fourth preset time period may be set to 15 minutes, for example, that is, in the switching operation of the air circulation mode, the time period between the new air function and the new air function needs to be greater than or equal to 15 minutes after the new air function exits, and when the new air function is put into operation for the first time, there is no time delay limitation.
Preferably, when the step S3 is not detected and indoor CO is obtained within a fifth preset time period 2 And during concentration, the air circulation mode in the step S4 continuously operates according to an internal and external double circulation mode, and the rotating speed of the auxiliary fan in the step S5 continuously operates according to the rotating speed of a low wind gear.
Specifically, taking the example of using the timing acquisition mode in step S3, the fifth preset time period may be set to five detection periods, for example, that is, when no indoor CO is detected in five consecutive detection periods 2 When the concentration signal is detected, the detection can be judged to acquire indoor CO 2 Concentration of CO 2 The sensor is in a fault state, and further under the healthy sleep function, the backup condition that the fresh air function automatically starts to operate is equivalently set. Thereby even in CO 2 Under the condition that the sensor has a fault, the first judgment result and even the second judgment result can not be obtained, the fresh air ventilation volume in the room to a certain degree can be ensured, and the thermal comfort of the room is maintained.
Preferably, before step S401, step S4 further comprises one of the following operating steps:
s401': judging whether Tw is less than or equal to a first outdoor temperature in a cooling mode or whether Tw is more than or equal to a third outdoor temperature in a heating mode; if yes, sequentially executing the steps S401-S410; if not, executing step S42;
s402': judging whether Tw is less than or equal to a second outdoor temperature in the cooling mode or whether Tw is more than or equal to a fourth outdoor temperature in the heating mode; if yes, go to step S401'; if not, judging indoor CO 2 Concentration of CO in the room 2 When the concentration is not less than the first concentration threshold, step S42 is executed to set CO in the room 2 When the density is smaller than the first density threshold value, step S41 is executed.
Specifically, the first outdoor temperature and the second outdoor temperature may be set to 48 ℃ and 55 ℃ respectively, which represent the first extreme value and the second extreme value in the cooling mode respectively; the third outdoor temperature and the fourth outdoor temperature may be set to-15 ℃ and-20 ℃, respectively, and represent the first extreme value and the second extreme value in the cooling mode, respectively; a first concentration threshold of 2000ppm likewise represents indoor CO 2 One extreme of concentration. The larger the input intensity of the fresh air function is, the more obvious the influence on the indoor thermal comfort is, and when Tw does not reach a first extreme value, the fresh air function can be regarded as a conventional operation state of a fresh air conditioner; once Tw reaches the first extreme value, the input intensity of the fresh air only operates in an internal and external double-circulation mode to further enhance the priority guarantee of indoor thermal comfort, and meanwhile, under the priority guarantee, the fresh air function still keeps certain input intensity, so that indoor CO is not enough 2 The concentration is above the extreme of 2000 ppm.Once Tw reaches the second extreme value, even if the input intensity of the fresh air function is only kept weak, the fresh air function also has obvious influence on indoor thermal comfort, the input intensity of the fresh air function can be further weakened at the moment, namely, the fresh air function is closed, and unless the indoor CO is in the state of closing the fresh air function, the indoor CO is in a closed state 2 The internal and external double circulation mode is temporarily adjusted to operate when the concentration exceeds the extreme value of 2000ppm so as to prevent the human health from being influenced by headache, heartbeat acceleration, slight nausea and the like of the human body. Thereby further ensuring indoor thermal comfort and indoor CO when the outdoor environment temperature is at an extreme value 2 An equilibrium between the concentrations.
Preferably, step S5 includes the following specific operation steps:
s501: judging whether the delta T is less than or equal to a second preset temperature difference absolute value delta T;
s502: if yes, go to step S503; if not, go to step S511;
s503: determination of indoor CO 2 Whether the concentration is less than or equal to a fourth concentration threshold value;
s504: if yes, go to step S52 and continue to determine the indoor CO 2 Whether the concentration is continuously less than or equal to a fourth concentration threshold value within a second preset time period in the future or not; if not, go to step S507;
s505: if yes, go to step S51; if not, judging indoor CO 2 Whether the concentration is greater than a second concentration threshold;
s506: if yes, go to step S54; if not, go to step S53;
s507: determination of indoor CO 2 Whether the concentration is less than or equal to a second concentration threshold value;
s508: if yes, go to step S53 and continue to determine indoor CO 2 Whether the concentration is continuously between the fourth concentration threshold and the second concentration threshold within a sixth preset time period in the future; if not, executing step S54;
s509: if yes, go to step S54; if not, judging indoor CO 2 Whether the concentration is less than or equal to a second concentration threshold value;
s510: if yes, go to step S55; if not, executing step S54;
s511: judging whether the current rotating speed of the main fan is a first limited gear or not;
s512: if yes, go to step S52; if not, go to step S503;
s51: the auxiliary fan is shut down;
s52: the auxiliary fan is switched to operate to a low wind gear;
s53: the auxiliary fan is switched to operate to a stroke gear;
s54: the auxiliary fan is switched to operate to a high wind gear;
s55: the auxiliary fan keeps the current gear to continue running;
where 0 ≦ Δ T "< Δ T'.
Specifically, the second preset absolute value Δ T "of the temperature difference may be set to 0 ℃, for example, to approach the optimal suitable level of the indoor thermal comfort infinitely, that is, when Δ T is less than or equal to Δ T", it may be understood that the indoor thermal comfort is further refined and improved on the basis that the optimal level has been reached. In the invention, when the delta T is less than or equal to the delta T', the user usually enters a deep sleep state, and at the moment, the auxiliary fan can only aim at indoor CO 2 The second determination result of the concentration adjusts the rotating speed of the fan to any one of a high wind gear, a medium wind gear and a low wind gear in real time without considering the influence of the running noise of the auxiliary fan, thereby aiming at indoor CO 2 The concentration of the sleep quality control agent is more refined, adaptive adjustment is more suitable for real-time changes of human sleep characteristics and the sleep environment of the user, and the sleep quality control agent is favorable for further deeply caring the healthy sleep of the user. And at Δ T>When the current main fan rotating speed represents a will of tolerance of the user to fan operation noise, for example, when the current main fan rotating speed is a first limited gear, for example, a mute gear, the auxiliary fan rotating speed can be limited to operate only at a low wind gear; if the current main fan rotating speed is not the first limited gearFor example, in a low wind gear, the above restriction may not be applied. Whether the first limiting gear is preset according to a mute gear or other gears can be fully set in an individualized manner according to personal preference of a user and performance of the fan of the fresh air conditioner, for example, the user can set the gear which is not higher than a low wind gear, namely, the mute gear and the low wind gear are both the first limiting gear.
Furthermore, the variation of the main fan speed can actually indicate whether the indoor thermal comfort has at least reached an appropriate level, and further when the Δ T is reached>Delta T' and the rotating speed of the main fan is not the first limited gear, no matter considering from the sleeping characteristics of the human body at the current moment or considering from the intention tendency of the user to the noise, the rotating speed of the main fan and the rotating speed of the auxiliary fan do not need to have a special limited relation, and the auxiliary fan can also be based on the delta T, the current rotating speed of the main fan and the indoor CO 2 The second determination result of the concentration adjusts the rotating speed of the fan to any one of a high wind gear, a medium wind gear and a low wind gear in real time, and then for indoor CO 2 Multidirectional and more refined adaptive adjustment of concentration and other layers can be further enhanced, and the deep care of the healthy sleep of the user is facilitated. In the present invention, the sixth preset time period may be set to, for example, 5 minutes.
Example 2
Referring to fig. 1-5, the present invention further provides a fresh air conditioning health sleep control system, comprising:
a receiving module: the sleep function starting device is used for receiving a healthy sleep function starting instruction;
a detection module: the receiving module is used for acquiring the temperature parameter and indoor CO at the current moment in real time or at fixed time after receiving the fresh air sleep signal 2 Concentration, wherein the temperature parameters comprise a set temperature Ts, an indoor environment temperature Tn, an outdoor environment temperature Tw and a first temperature difference absolute value delta T = | Tn-Ts |;
a determination module: for obtaining indoor CO according to the temperature parameter obtained by the detection module 2 Judging the concentration to obtain a first judgment result;
a first execution module: the air circulation adjusting device is used for adjusting the air circulation mode to be switched to one of an internal circulation mode, an external circulation mode and an internal and external double circulation mode according to the first judgment result;
a fan module: the system comprises a main fan and an auxiliary fan, wherein the main fan and the auxiliary fan are started and stopped according to the real-time change of the air circulation mode;
the judging module is also used for judging whether the current rotation speed of the main fan is equal to or lower than the current rotation speed of the main fan according to the 'delta T', and/or the indoor CO 2 Judging the concentration and obtaining a second judgment result;
a second execution module: and the auxiliary fan rotating speed is adjusted in real time according to the second judgment result.
The present invention also provides a fresh air conditioner comprising a computer readable storage medium storing a computer program and a processor, the computer program being read and executed by the processor to implement the method as described in embodiment 1.
The invention also provides a computer-readable storage medium, which stores a computer program that, when read and executed by a processor, implements the method as described in embodiment 1.
Specifically, it can be understood by those skilled in the art that the method in embodiment 1 can be implemented by combining software and hardware in the fresh air conditioner health sleep control system, the fresh air conditioner, and the computer readable storage medium provided in embodiment 2, and for any one of the control system, the fresh air conditioner, and the computer readable storage medium, the information interaction, the execution process, and the like can be referred to the description of the fresh air conditioner health sleep control method in embodiment 1, and details thereof are not repeated here.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A health sleep control method for a fresh air conditioner is characterized by comprising the following steps:
s1: receiving a health sleep function starting instruction;
s3: acquiring temperature parameters and indoor CO at current moment in real time or at fixed time 2 Concentration, wherein the temperature parameters comprise a set temperature Ts, an indoor environment temperature Tn, an outdoor environment temperature Tw and a first temperature difference absolute value delta T = | Tn-Ts |;
s4: according to the temperature parameter, indoor CO 2 The air circulation mode is switched to one of an internal circulation mode, an external circulation mode and an internal and external double circulation mode according to a first judgment result of the concentration;
s5: the main fan and the auxiliary fan start and stop responding according to the real-time change of the air circulation mode, and the auxiliary fan responds to the delta T, the current main fan rotating speed and/or indoor CO 2 The second determination result of the concentration is used for adjusting the rotating speed of the auxiliary fan in real time;
s6: circularly executing the steps S3-S5 until a health sleep function quitting instruction is received;
s7: the fresh air conditioner quits the healthy sleep function.
2. The method as claimed in claim 1, wherein a purifying device is disposed in at least a fresh air system of the fresh air conditioner.
3. The fresh air conditioning health sleep control method according to claim 1, wherein the set temperature Ts is automatically adjusted according to a "preset temperature curve based on a human sleep period".
4. The fresh air conditioning health sleep control method according to claim 1, wherein after step S1 and before step S3, the method further comprises the steps of:
s2: the fresh air conditioner is started to operate for N minutes in an internal and external double-circulation mode of 'a main fan according to a preset gear of a user and an auxiliary fan according to a default low-wind gear'.
5. The fresh air conditioning health sleep control method according to any one of claims 1 to 4, wherein the step S4 comprises the following specific operation steps:
s401: judging whether the delta T is less than or equal to a first preset temperature difference absolute value delta T';
s402: if yes, judging indoor CO 2 Whether the concentration is the first detection value or shows an ascending trend; if not, executing step S42;
s403: if yes, judging indoor CO 2 Whether the concentration is greater than or equal to a first concentration threshold value; if not, go to step S407;
s404: if yes, go to step S43; if not, judging indoor CO 2 Whether the concentration is greater than or equal to a second concentration threshold value;
s405: if yes, judging indoor CO 2 Whether the concentration is continuously greater than or equal to a second concentration threshold value in a first preset time period in the future or not; if not, executing step S42;
s406: if yes, go to step S43; if not, executing step S42;
s407: determination of indoor CO 2 Whether the concentration is greater than or equal to a third concentration threshold value;
s408: if yes, go to step S43; if not, judging indoor CO 2 Whether the concentration is less than or equal to a fourth concentration threshold value;
s409: if yes, judging indoor CO 2 Whether the concentration is continuously less than or equal to a fourth concentration threshold value in a second preset time period in the future or not; if not, executing step S42;
s410: if yes, go to step S41; if not, executing step S42;
s41: the air circulation mode is switched to an internal circulation mode;
s42: the air circulation mode is switched to an internal and external double circulation mode;
s43: the air circulation mode is switched to an external circulation mode;
wherein the first concentration threshold > the second concentration threshold > the third concentration threshold > the fourth concentration threshold.
6. The fresh air conditioning health sleep control method according to claim 5, wherein in the loop execution process of steps S3-S5, the switching operation of the air loop mode comprises the following switching operation steps:
s441: step S43, switching operation to step S42 according to the first judgment result, and judging whether the uninterrupted operation time length of step S43 is greater than or equal to a third preset time length;
s442: if yes, directly switching; if not, switching is performed after the uninterrupted operation time length of the step S43 is kept to be greater than or equal to the third preset time length.
7. The fresh air conditioning health sleep control method according to claim 5, wherein before step S401, step S4 further comprises one of the following operation steps:
s401': judging whether Tw is less than or equal to a first outdoor temperature in a cooling mode or whether Tw is more than or equal to a third outdoor temperature in a heating mode; if yes, executing steps S401-S410 in sequence; if not, executing step S42;
s402': judging whether Tw in the cooling mode is less than or equal to a second outdoor temperature or whether Tw in the heating mode is greater than or equal to a fourth outdoor temperature; if yes, go to step S401'; if not, judging indoor CO 2 Concentration of CO in the room 2 When the concentration is not less than the first concentration threshold, step S42 is executed to set CO in the room 2 When the density is smaller than the first density threshold value, step S41 is executed.
8. The fresh air conditioning health sleep control method according to claim 5, wherein the step S5 comprises the following specific operation steps:
s501: judging whether the delta T is less than or equal to a second preset temperature difference absolute value delta T;
s502: if yes, go to step S503; if not, go to step S511;
s503: determination of indoor CO 2 Whether the concentration is less than or equal to a fourth concentration threshold value;
s504: if yes, go to step S52 and continue to determine the indoor CO 2 Whether the concentration is continuously less than or equal to a fourth concentration threshold value within a second preset time period in the future or not; if not, go to step S507;
s505: if yes, go to step S51; if not, judging indoor CO 2 Whether the concentration is greater than a second concentration threshold;
s506: if yes, go to step S54; if not, go to step S53;
s507: determination of indoor CO 2 Whether the concentration is less than or equal to a second concentration threshold value;
s508: if yes, go to step S53 and continue to determine the indoor CO 2 Whether the concentration is continuously between the fourth concentration threshold and the second concentration threshold within a sixth preset time period in the future; if not, executing step S54;
s509: if yes, go to step S54; if not, judging indoor CO 2 Whether the concentration is less than or equal to a second concentration threshold value;
s510: if yes, go to step S55; if not, executing step S54;
s511: judging whether the current rotating speed of the main fan is a first limited gear or not;
s512: if yes, go to step S52; if not, go to step S503;
s51: the auxiliary fan is shut down;
s52: the auxiliary fan is switched to operate to a low wind gear;
s53: the auxiliary fan is switched to operate to a stroke gear;
s54: the auxiliary fan is switched to operate to a high wind gear;
s55: the auxiliary fan keeps the current gear to continue running;
where 0 ≦ Δ T "< Δ T'.
9. The fresh air conditioning health sleep control method according to any one of claims 6 to 8, wherein when the step S3 is not detected and no indoor CO is obtained within a fifth preset time period 2 During concentration, the air circulation mode in the step S4 continuously operates according to an internal and external double circulation mode, and the rotating speed of the auxiliary fan in the step S5 continuously operates according to the rotating speed of a low wind gear.
10. Fresh air conditioner, characterized in that it comprises a processor and a computer-readable storage medium storing a computer program which, when read and executed by the processor, implements the method according to any one of claims 1 to 9.
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