CN114440413A - Indoor air conditioning method and equipment - Google Patents
Indoor air conditioning method and equipment Download PDFInfo
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 41
- 238000009423 ventilation Methods 0.000 claims abstract description 262
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- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 18
- 239000001569 carbon dioxide Substances 0.000 description 18
- 229910002092 carbon dioxide Inorganic materials 0.000 description 18
- 238000010586 diagram Methods 0.000 description 12
- 238000004590 computer program Methods 0.000 description 8
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- 238000005259 measurement Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000011217 control strategy Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000008569 process Effects 0.000 description 2
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- 241000894006 Bacteria Species 0.000 description 1
- 201000004624 Dermatitis Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
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- 238000013459 approach Methods 0.000 description 1
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- 208000010668 atopic eczema Diseases 0.000 description 1
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- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
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- 206010039083 rhinitis Diseases 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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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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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/70—Power-operated mechanisms for wings with automatic actuation
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/70—Power-operated mechanisms for wings with automatic actuation
- E05F15/71—Power-operated mechanisms for wings with automatic actuation responsive to temperature changes, rain, wind or noise
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/13—Type of wing
- E05Y2900/148—Windows
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Abstract
The invention discloses an indoor air conditioning method and device, which are used for adjusting ventilation volume for users with different requirements, so that the use experience of the users is effectively improved. The method comprises the following steps: acquiring indoor air parameters according to a set frequency, and determining the indoor current ventilation volume according to the pre-acquired indoor space information, the currently acquired air parameters and the air parameters acquired at the last moment; if the current ventilation volume is lower than the lowest ventilation volume, determining a performance index value which is not lower than the lowest ventilation volume according to a performance index set of the indoor air conditioning equipment, wherein the lowest ventilation volume is determined according to preset ventilation times corresponding to the user type of the indoor user and the space information; and controlling the air conditioning equipment according to the performance index value to improve the current indoor ventilation quantity.
Description
Technical Field
The invention relates to the technical field of intelligent home furnishing, in particular to an indoor air conditioning method and device.
Background
Clean air is a basic requirement of human beings, most people spend more than 80% of the time indoors, and therefore the indoor air quality is vital to the health of people. Investigation shows that indoor ventilation is an important factor influencing indoor environment, insufficient ventilation can cause accumulation of indoor humidity problems, increase of indoor carbon dioxide, bacteria and allergen concentration and perception of human body to bad smell, and further influences physical health of indoor personnel. Therefore, it is a very important concern and urgent need to solve the problem of adjusting and controlling the indoor ventilation amount to keep the indoor air environment clean and healthy.
The currently proposed method for adjusting indoor ventilation volume mainly takes threshold alarm adjustment as a main part, only judges whether a single air quality parameter exceeds a threshold value to serve as a trigger condition for adjusting indoor air environment, and if the alarm threshold value is set unreasonably or sensor measurement is inaccurate, the situation that the single air quality parameter is not alarmed but the indoor ventilation volume is continuously at a low level exists.
Disclosure of Invention
The invention provides an indoor air conditioning method and equipment, which are used for evaluating indoor ventilation volume level in real time, setting ventilation volume meeting the user requirements for users according to information such as the user requirements and setting the ventilation volume with different degrees aiming at the users with different requirements, thereby effectively improving the use experience of the users.
In a first aspect, the present invention provides a method for indoor air conditioning, the method comprising:
acquiring indoor air parameters according to a set frequency, and determining the indoor current ventilation volume according to the pre-acquired indoor space information, the currently acquired air parameters and the air parameters acquired at the last moment;
if the current ventilation volume is lower than the lowest ventilation volume, determining a performance index value which is not lower than the lowest ventilation volume according to a performance index set of the indoor air conditioning equipment, wherein the lowest ventilation volume is determined according to preset ventilation times corresponding to the user type of the indoor user and the space information;
and controlling the air conditioning equipment according to the performance index value to improve the current indoor ventilation quantity.
According to the indoor air conditioning method provided by the embodiment of the invention, the indoor ventilation volume level can be evaluated in real time, and the lowest ventilation volume corresponding to the user type is determined according to the user type, so that the ventilation volume is adjusted for the user of the type according to the actual indoor space condition and the condition of the ventilation times required by the user, the requirements of different users can be better met, and the use experience of the user is effectively improved.
As an optional implementation manner, the determining a performance index value not lower than the performance index value corresponding to the lowest ventilation amount includes:
and determining the performance index value corresponding to the ventilation quantity meeting the indoor user requirement from the performance index value corresponding to the lowest ventilation quantity, wherein the indoor user requirement is determined according to the acquired ventilation quantity requirement information of the user.
The method for indoor air conditioning provided by the embodiment of the invention can be determined according to the requirement information of indoor users on the ventilation quantity, can adopt different lowest ventilation quantity standards aiming at different users, meets the requirements of various users and improves the user experience.
As an optional implementation manner, the determining a performance index value corresponding to the ventilation volume meeting the indoor user requirement includes:
determining a performance index value corresponding to the minimum ventilation quantity from the performance index values; or the like, or, alternatively,
and if the set containing the performance index value intersects with the set containing the performance index value corresponding to the user type, determining the performance index value corresponding to the minimum ventilation volume from the intersected performance index values, wherein the performance index value corresponding to the user type is determined according to the acquired comfort level requirement information of the user type on the air parameters.
The embodiment can determine the performance index value corresponding to the minimum ventilation quantity according to two different methods for determining the performance index value, so that the power of the air conditioning equipment can be saved under the condition that the requirement for the indoor ventilation quantity is met. In addition, on one hand, the lowest requirement on indoor ventilation quantity can be met, on the other hand, the comfort requirement of a user can also be met, and the use experience of the user is effectively improved.
As an optional implementation manner, the determining a performance index value corresponding to the ventilation volume meeting the indoor user requirement includes:
and if the set containing the performance index value does not intersect with the set containing the performance index value corresponding to the user type and the pollution degree of the outdoor environment quality to the indoor air quality is higher than a threshold value, determining the performance index value corresponding to the minimum ventilation volume.
The embodiment of the invention can also determine whether to use the performance index value meeting the current ventilation quantity requirement to adjust the ventilation quantity output by the air conditioning equipment according to the outdoor environment quality, can determine the performance index value corresponding to the finally adjusted ventilation quantity by integrating various factors, can better meet the user requirement, and improves the use experience of users.
As an optional implementation, the method further includes:
and if the set containing the performance index value does not intersect with the set containing the performance index value corresponding to the user type and the pollution degree of the outdoor environment quality to the indoor air quality is not higher than a threshold value, sending a windowing reminding message to inform a user of windowing and increasing the ventilation volume.
The embodiment of the invention sends the windowing reminding message to the user under the condition that the pollution degree of the outdoor environment quality to the indoor air quality is not higher than the threshold value, namely under the condition that the outdoor environment quality is better, the ventilation volume of the current air conditioning equipment is not adjusted, but the windowing reminding message is sent to the user so as to increase the indoor ventilation volume, so that the embodiment of the invention is more energy-saving and environment-friendly, and improves the use experience of the user.
In a second aspect, the present invention provides an indoor air conditioning apparatus, comprising: a processor and a memory, wherein the memory stores program code that, when executed by the processor, causes the terminal to perform the following:
acquiring indoor air parameters according to a set frequency, and determining the indoor current ventilation volume according to the pre-acquired indoor space information, the currently acquired air parameters and the air parameters acquired at the last moment;
if the current ventilation volume is lower than the lowest ventilation volume, determining a performance index value which is not lower than the lowest ventilation volume according to a performance index set of the indoor air conditioning equipment, wherein the lowest ventilation volume is determined according to preset ventilation times corresponding to the user type of the indoor user and the space information;
and controlling the air conditioning equipment according to the performance index value to improve the current indoor ventilation quantity.
As an optional implementation, the processor is configured to perform:
and determining the performance index value corresponding to the ventilation quantity meeting the indoor user requirement according to the acquired ventilation quantity requirement information of the user from the performance index value corresponding to the lowest ventilation quantity.
As an optional implementation, the processor is configured to perform:
and if the set containing the performance index value intersects with the set containing the performance index value corresponding to the user type, determining the performance index value corresponding to the minimum ventilation volume from the intersected performance index values, wherein the performance index value corresponding to the user type is determined according to the acquired comfort level requirement information of the user type on the air parameters.
As an optional implementation, the processor is configured to perform:
and if the set containing the performance index value does not intersect with the set containing the performance index value corresponding to the user type and the pollution degree of the outdoor environment quality to the indoor air quality is higher than a threshold value, determining the performance index value corresponding to the minimum ventilation volume.
As an optional implementation, the processor is configured to perform:
and if the set containing the performance index value does not intersect with the set containing the performance index value corresponding to the user type and the pollution degree of the outdoor environment quality to the indoor air quality is not higher than a threshold value, sending a windowing reminding message to inform a user of windowing and increasing the ventilation volume.
In a third aspect, the present invention provides an indoor air conditioning device, comprising:
the ventilation quantity determining unit is used for acquiring indoor air parameters according to set frequency and determining indoor current ventilation quantity according to the indoor space information acquired in advance, the currently acquired air parameters and the air parameters acquired at the last moment;
a performance index value determining unit, configured to determine, if the current air volume is lower than a minimum air volume, a performance index value that is not lower than the minimum air volume according to a performance index set of the indoor air conditioning equipment, where the minimum air volume is determined according to a preset number of times of ventilation that corresponds to a user type of a user located indoors and the space information;
and the ventilation quantity adjusting unit is used for controlling the air conditioning equipment according to the performance index value so as to improve the current indoor ventilation quantity.
As an optional implementation manner, the unit for determining a performance index value is specifically configured to:
and determining the performance index value corresponding to the ventilation quantity meeting the indoor user requirement from the performance index value corresponding to the lowest ventilation quantity, wherein the indoor user requirement is determined according to the acquired ventilation quantity requirement information of the user.
As an optional implementation manner, the unit for determining a performance index value is specifically configured to:
determining a performance index value corresponding to the minimum ventilation quantity from the performance index values; or the like, or, alternatively,
and if the set containing the performance index value intersects with the set containing the performance index value corresponding to the user type, determining the performance index value corresponding to the minimum ventilation volume from the intersected performance index values, wherein the performance index value corresponding to the user type is determined according to the acquired comfort level requirement information of the user type on the air parameters.
As an optional implementation manner, the unit for determining a performance index value is specifically configured to:
and if the set containing the performance index values does not intersect with the set containing the performance index values corresponding to the user types and the pollution degree of the outdoor environment quality to the indoor air quality is higher than a threshold value, determining the performance index value corresponding to the minimum ventilation quantity.
As an optional implementation manner, the unit for determining a performance index value is further specifically configured to:
and if the set containing the performance index value does not intersect with the set containing the performance index value corresponding to the user type and the pollution degree of the outdoor environment quality to the indoor air quality is not higher than a threshold value, sending a windowing reminding message to inform a user of windowing and increasing the ventilation volume.
In a fourth aspect, the present invention provides a computer storage medium having stored thereon a computer program which, when executed by a processing unit, performs the steps of the method of the first aspect.
In addition, for technical effects brought by any one implementation manner of the second aspect to the fourth aspect, reference may be made to technical effects brought by different implementation manners of the first aspect, and details are not described here.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a flow chart of an embodiment of indoor air conditioning according to the present invention;
fig. 2A is a schematic diagram illustrating a client display mode of ventilation according to an embodiment of the present invention;
fig. 2B is a schematic diagram illustrating a client display mode of ventilation according to an embodiment of the present invention;
fig. 2C is a schematic diagram illustrating a client display mode of ventilation according to an embodiment of the present invention;
fig. 2D is a schematic diagram illustrating a client display mode of ventilation according to an embodiment of the present invention;
FIG. 3 is a flow chart of an embodiment of indoor air conditioning according to the present invention;
fig. 4 is a detailed flowchart of a method for indoor air conditioning according to an embodiment of the present invention;
fig. 5 is a schematic view of an indoor air conditioning device according to an embodiment of the present invention;
fig. 6 is a schematic view of an indoor air conditioning device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The term "and/or" in the embodiments of the present invention describes an association relationship of associated objects, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.
The application scenario described in the embodiment of the present invention is for more clearly illustrating the technical solution of the embodiment of the present invention, and does not form a limitation on the technical solution provided in the embodiment of the present invention, and it can be known by a person skilled in the art that with the occurrence of a new application scenario, the technical solution provided in the embodiment of the present invention is also applicable to similar technical problems. In the description of the present invention, the term "plurality" means two or more unless otherwise specified.
Example 1
Currently, the proposed method for adjusting indoor ventilation rate mainly uses threshold alarm adjustment, for example, a control strategy for opening an intelligent window or opening a fresh air machine is output according to the indoor formaldehyde concentration greater than a first preset value or a second preset value. Or outputting a fresh air or air purification adjusting instruction when the indoor carbon dioxide concentration is greater than a preset threshold corresponding to the current time point. Or outputting a window opening or closing prompt when the indoor air quality parameter exceeds a first preset value or the outdoor air quality parameter exceeds a second preset value. The currently proposed methods for adjusting indoor ventilation volume all judge the interval where the concentration of the current formaldehyde or carbon dioxide is located or the threshold value exceeding the current concentration of the current formaldehyde or carbon dioxide through presetting fixed threshold values of different concentration levels of the formaldehyde or the carbon dioxide, and output different control strategies for adjusting fresh air or windowing so as to control the indoor ventilation volume.
The prior art mainly has two problems: firstly, the indoor ventilation level is not evaluated in real time, whether the single air quality parameter exceeds the threshold value or not is only judged to serve as a trigger condition for adjusting the indoor air environment, and if the alarm threshold value is set unreasonably or the sensor measurement is inaccurate, the situation that the single air quality parameter does not give an alarm but the indoor ventilation level is continuously low exists. Secondly, when the single air quality parameter exceeds the threshold value and gives an alarm, the indoor air environment is adjusted only by increasing the wind speed of the air conditioning equipment such as the fresh air fan, the condition whether the increase of the wind speed can affect the comfort and the health feeling of the body of the user is not considered, and the condition that the physical examination of the user is poor due to the overlarge wind speed exists. Therefore, there is a need for an indoor air environment adjusting method capable of dynamically evaluating indoor ventilation level, and combining user comfort and health requirements and outdoor weather to provide a healthy and comfortable indoor air environment for users.
According to the indoor air conditioning method provided by the embodiment of the invention, the indoor ventilation volume level can be evaluated in real time, and the lowest ventilation volume corresponding to the user type is determined according to the user type, so that the ventilation volume is adjusted for the user of the type according to the actual indoor space condition and the condition of the ventilation times required by the user, the requirements of different users can be better met, and the use experience of the user is effectively improved.
As shown in fig. 1, a specific implementation flow of indoor air conditioning according to an embodiment of the present invention is as follows, and the embodiment of the present invention may be applied to a server or a centralized controller device with data collection, logic processing, and remote control of other devices, and the embodiment of the present invention is not limited to this.
it should be noted that, in the embodiments of the present invention, the indoor ventilation amount can be measured in real time, so as to track the change of the indoor ventilation amount, and adjust the indoor ventilation amount more accurately, wherein the step of determining the indoor ventilation amount specifically includes:
step 1, acquiring indoor space information in advance;
the spatial information in the present embodiment includes, but is not limited to, an indoor area, an indoor height, and the like. In practice, the indoor space information may be acquired by any one or any number of ways:
mode 1) receiving indoor space information input by a user;
mode 2) receiving indoor space information acquired by an intelligent camera of the intelligent home equipment;
mode 3) if the user does not input indoor spatial information and the intelligent camera of the intelligent home device does not acquire the indoor spatial information, acquiring preset default spatial information.
It should be noted that, the manner of acquiring indoor space information in the embodiment of the present invention is merely an example, and the present invention is not limited to this.
Step 2, collecting indoor air parameters according to a set frequency;
optionally, the set frequency in this embodiment may be understood as collecting indoor air parameters in real time, and the collection frequency may also be set in advance according to user requirements, which is not limited to this embodiment of the present invention.
Optionally, the indoor air parameters in this embodiment include, but are not limited to, the following: temperature, relative humidity, wind speed, carbon dioxide concentration, formaldehyde content, PM2.5, volatile organic compounds, phthalate and other parameters for characterizing air quality.
And step 3, determining the current indoor ventilation quantity.
In implementation, the current indoor ventilation amount is determined according to the indoor space information, the currently acquired air parameters and the air parameters acquired at the last moment. If the collected air parameter is an air parameter, the current ventilation amount can be calculated by the following formula:
where Vcurrent represents the current ventilation, C1Air parameters, C, collected for the last momenttIs the currently acquired air parameter, C0As a reference value (predetermined) for the default air parameter, Area is the indoor Area and Height is the indoor Height.
Specifically, if the acquired air parameter is carbon dioxide concentration, the current indoor ventilation amount is determined according to the change of the indoor carbon dioxide concentration. If the acquired air parameters comprise multiple types, such as carbon dioxide concentration, formaldehyde content and PM2.5, performing unification treatment on units of each air parameter, performing weighted summation on the air parameters according to the weight corresponding to each air parameter to obtain a summation value, and calculating the indoor current ventilation quantity according to the summation value as a new air parameter.
It should be noted that, in the current method for adjusting the ventilation volume by using the threshold alarm method, the set alarm boundary value is fixed, and usually, the alarm is only given when the instantaneous measurement value exceeds the boundary value, and then the air conditioning equipment is turned on to increase the ventilation volume. However, in such a manner, when the boundary value is set too high and the indoor carbon dioxide concentration approaches the boundary value all the time but does not exceed the boundary value, the indoor state is in a low air volume state but cannot trigger an alarm, and further, the condition that fresh air is opened or the ventilation volume is increased through a window to improve the indoor air quality may exist. The embodiment of the invention can track the change of indoor air parameters (such as carbon dioxide concentration), estimate the ventilation volume in real time according to the change of the air parameters, and find the condition of low ventilation volume even if the instantaneous value or the stage average value of the air parameters does not exceed the boundary value.
and 102, controlling the air conditioning equipment according to the performance index value to improve the current indoor ventilation quantity.
It should be noted that the performance index set in the embodiment of the present invention includes a plurality of performance index values under at least one performance index, where the performance index is used for characterizing the capability of the air conditioning equipment to output ventilation volume. And if the performance index is a wind speed gear, different wind speed gear values correspond to different ventilation volumes, a wind speed gear value not lower than the lowest ventilation volume is selected from the ventilation volumes corresponding to the different wind speed gear values, and the wind speed gear value is further sent to the air conditioning equipment to control the air conditioning equipment to output the ventilation volume according to the wind speed gear value.
Specifically, the performance index set in the embodiment of the present invention may include the following parameters and corresponding parameter values as shown in table 2.
TABLE 2 set of performance indicators for air conditioning equipment
Taking the model of the adjustable fresh air device as a DeviceType1 device, a user as a sensitive group, a building area of 80 square meters and a floor height of 2.6 meters as an example, and the requirement of the minimum ventilation volume Vmin as 312m3/h as an example, as can be known from Table 2, the wind speed gear of the fresh air fan needs to be adjusted to high wind so as to meet the requirement of the minimum ventilation volume, and the performance index value corresponding to the minimum ventilation volume is not lower than 3;
taking the model of the adjustable fresh air device as a DeviceType1 device, the user as a common group, the house area as 80 square meters, the floor height as 2.6 meters as an example, and the requirement of the minimum ventilation volume Vmin as 208m3/h as an example, table 2 shows that the wind speed gear of the fresh air fan needs to be adjusted to be above the wind stroke so as to meet the requirement of the minimum ventilation volume, and the performance index value corresponding to the minimum ventilation volume is not lower than 2 and 3.
Alternatively, the air conditioning apparatus in the embodiment of the present invention includes, but is not limited to: air conditioner, new trend etc. can adjust the smart machine of air volume.
In the implementation, the lowest ventilation volume is determined according to the preset ventilation times corresponding to the user types of the users located in the room and the space information, and as the lowest ventilation volume in the embodiment of the invention is corresponding to the user types, the lowest ventilation volume can be determined according to the users of different types and the sizes of the indoor spaces where the users are located, so that the air conditioning equipment is controlled to adjust, and the ventilation volume requirement under the user types is met.
Optionally, the user type includes, but is not limited to, normal user, sensitive user. The sensitive users include, but are not limited to, children, sick users, sensitive physical users, and the like. Different user types set different minimum ventilation times. Then, as shown in table 1, the lowest ventilation amount is the preset number of times of ventilation is performed.
Taking a house with the area of 80 square meters and the floor height of 2.6 meters as an example, the lowest ventilation volume of the common people is 208m3/h, and the lowest ventilation volume of the sensitive people is 312m 3/h.
TABLE 1 lowest ventilation for different user types
| Type of user | Lowest ventilation frequency Count | Lowest ventilation volume |
| General | 1 time/hour | Count*Area*Height |
| Sensitivity of | 1.5 times/hour | Count*Area*Height |
As an optional implementation manner, the user type in the embodiment of the present invention may be determined according to the user type received from the user or user information used for characterizing the user type input by the user, or may be determined according to the user information used for characterizing the user type collected by an intelligent camera of the intelligent home device. And the system can automatically generate user portrait representing the user type and other information. The user information for characterizing the user type includes, but is not limited to: user information such as user age, user constitution, number of people living indoors or number of people moving. Different user types have different requirements for ventilation. For example, the elderly prefer a warm environment, prefer a low wind speed ventilation. The embodiment does not excessively limit how the user information is collected to further determine the user type.
Because the indoor air volume and the pollutant concentration that influences human health such as indoor formaldehyde, volatile organic compounds, phthalate show obvious negative influence effect, the higher the air volume promptly, the pollutant concentration is lower, and then influences human health degree lower. In addition, children or users with sensitive physique have high requirements on indoor air quality, and are easy to suffer from diseases such as rhinitis, asthma, eczema and the like in a room with low air flow continuously, so that the requirements on indoor minimum ventilation indexes are higher compared with other common groups. Therefore, different ventilation volume requirements can be provided for different groups through the method provided by the embodiment of the invention, and the use experience of different groups is further met.
As an alternative implementation, the adjustment strategy of the embodiment of the present invention is as follows:
and determining a performance index value corresponding to the ventilation volume meeting the indoor user requirement from performance index values corresponding to the lowest ventilation volume, and controlling the air conditioning equipment according to the performance index value to improve the indoor current ventilation volume. And the indoor user requirement is determined according to the acquired requirement information of the user on ventilation volume.
Optionally, the information about the user's requirement for the ventilation volume in the embodiment of the present invention may be determined by receiving information about the user's requirement for the ventilation volume input by the user, or may be determined according to information about the predetermined requirement for the ventilation volume corresponding to the user type, which is not limited in this embodiment.
Optionally, if the performance index value not lower than the lowest ventilation quantity does not meet the performance index value corresponding to the ventilation quantity required by the indoor user, a request message for changing the ventilation quantity is sent to the user to determine whether to change the ventilation quantity according to a message fed back by the user. For example, if a message that the user gives feedback to approve the change of the ventilation volume is received, the air conditioning equipment is controlled according to the performance index value indicated by the received user so as to improve the current ventilation volume in the room.
As an optional implementation manner, the performance index value corresponding to the ventilation volume meeting the indoor user requirement is determined by the following method:
mode 1, determining a performance index value corresponding to the minimum ventilation quantity from the performance index values;
in this embodiment, the performance index value corresponding to the air volume demanded by the indoor user is not lower than the performance index value corresponding to the minimum air volume among the performance index values corresponding to the lowest air volumes.
Mode 2, if the set containing the performance index value intersects with the set containing the performance index value corresponding to the user type, determining the performance index value corresponding to the minimum ventilation volume from the intersected performance index values; and the performance index value corresponding to the user type is determined according to the acquired comfort requirement information of the user type on the air parameters.
In this aspect, the performance index value corresponding to the ventilation amount required by the indoor user is a performance index value corresponding to the minimum ventilation amount among the intersecting performance index values.
Optionally, the comfort level demand information of the user type for the air parameter in the embodiment of the present invention may be determined by receiving comfort level demand information of the air parameter input by the user, or may be determined according to predetermined comfort level demand information corresponding to the user type, which is not limited in this embodiment.
In this way, it is necessary to determine the portion of the set containing the performance index value, which intersects with the set containing the performance index value corresponding to the user type, from the set of performance index values not lower than the lowest ventilation volume, and the performance index value corresponding to the user type can represent the comfort level requirement of the user type, that is, it is ensured that the current indoor ventilation volume can be adjusted and the comfort level of the user to the current ventilation volume (or wind speed) can be satisfied, thereby providing a healthy and comfortable environment for the user.
And 3, if the set containing the performance index values does not intersect with the set containing the performance index values corresponding to the user types and the pollution degree of the outdoor environment quality to the indoor air quality is higher than a threshold value, determining the performance index value corresponding to the minimum ventilation volume.
Optionally, the pollution degree of the outdoor environment quality to the indoor air quality is determined by the following steps:
step 1, acquiring indoor weather data and outdoor weather data;
in implementation, the outdoor weather data can be determined through real-time weather data such as seasons, outdoor temperature, relative humidity, wind speed, air quality index and the like issued by a weather platform or a client related to weather forecast. Indoor weather data such as indoor temperature and indoor humidity can be acquired through equipment such as an indoor temperature sensor and an indoor humidity sensor.
And 2, grading the pollution degree according to the outdoor weather data, the indoor and outdoor difference value and other data, and determining the pollution degree of the outdoor environment quality to the indoor air quality.
Optionally, the pollution degree of the outdoor environment quality to the indoor air quality is determined by the following scoring rules:
if the outdoor air quality index is light pollution or less, adding 3 points;
if the season is summer or winter, adding 1 point;
if the indoor and outdoor temperature difference is more than 3 ℃, adding 1 minute;
if the difference between the indoor humidity and the outdoor humidity is more than 10 percent, adding 1 minute;
if the outdoor wind speed is more than 3 grades, adding 1 minute;
and so on.
When the total score is more than or equal to 3 minutes, the pollution degree of the outdoor environment quality to the indoor air quality is larger, and conversely, the pollution degree of the outdoor environment quality to the indoor air quality is smaller.
As an optional implementation manner, the embodiment of the present invention may further prompt the user to open a window to increase the ventilation volume or send an increase air speed reminding message to notify the user of the increased ventilation volume. Optionally, the reminding message may be sent to a client bound to the indoor air conditioning device, or may also be sent to the indoor intelligent device having a voice function, which is not limited in this embodiment.
In implementation, if the set containing the performance index value does not intersect with the set containing the performance index value corresponding to the user type and the pollution degree of the outdoor environment quality to the indoor air quality is not higher than the threshold, a windowing reminding message is sent to inform the user of windowing and increasing the ventilation volume.
As an alternative embodiment, the result of comparing the current ventilation amount with the lowest ventilation amount is transmitted to the client bound to the indoor air conditioning device; if the current ventilation volume is not lower than the lowest ventilation volume, sending a prompt that the current ventilation volume is appropriate to the client, wherein the display mode of the client can be as shown in fig. 2A; and if the current ventilation volume is lower than the lowest ventilation volume, sending a prompt that the current ventilation volume is lower to the client, wherein the display mode of the client can be as shown in fig. 2B.
As an optional implementation manner, if the current ventilation amount is lower than the minimum ventilation amount, sending an increase wind speed reminding message or a windowing reminding message to the client, where a display manner of the client may be as shown in fig. 2C to fig. 2D.
As shown in fig. 3, an embodiment of the present invention provides a specific implementation flow of indoor air conditioning, which is as follows:
300, collecting indoor air parameters according to a set frequency, and determining the indoor current ventilation quantity according to the indoor space information obtained in advance, the currently collected air parameters and the air parameters collected at the last moment;
and step 306, sending a windowing reminding message to inform a user of windowing and increasing the ventilation volume.
And 307, controlling the air conditioning equipment according to the performance index value to improve the current indoor ventilation quantity.
As shown in fig. 4, the method for indoor air conditioning according to the embodiment of the present invention will be described in detail by taking an example that the air parameter is carbon dioxide concentration, the user type includes a general user and a sensitive user, and the performance index value is a wind speed gear value:
the indoor air parameters refer to air quality parameters such as temperature, relative humidity, wind speed, carbon dioxide and the like acquired by equipment such as a fresh air fan and the like or an all-in-one air sensor available in a current room or a room. The outdoor weather data refers to real-time outdoor weather data such as outdoor temperature, relative humidity, wind speed and air quality index issued by a weather platform such as available ink weather. The user data is data representing the group to which the user belongs and the comfortable preference. For example, the group (children/adults/elderly/sensitive physique) to which the user belongs is determined through active input of the user or recognition of an intelligent camera and the like; the comfortable preference of the user for air parameters such as air speed and the like is determined through user input or user figures (old people, environment which likes warm and warm a little, low air speed) automatically generated by the system. The indoor space information refers to information representing a room or a house, and comprises the number of people living in the room or the number of people moving in the room, the area of the room, the floor height and the like, which are actively input by a user or collected by an intelligent camera.
the user types comprise a common user and a sensitive user, wherein the lowest ventilation amount corresponding to the common user is different from that corresponding to the sensitive user, for example, taking an indoor area with an area of 80 square meters and a floor height of 2.6 meters as an example, the lowest ventilation amount of the common user is 208m3/h, and the sensitive user is 312m 3/h.
taking the air parameter as the carbon dioxide concentration, and the indoor space information including the indoor Area and the indoor floor Height as an example, the current indoor ventilation Vcurrent is estimated as f (C1, Ct, Area, Height) according to the change of the carbon dioxide concentration. The calculation formula is exemplified as follows, where is the carbon dioxide concentration collected at the last moment of C1, Ct is the carbon dioxide concentration currently collected, C0 is the default outdoor carbon dioxide reference value (usually taken at 400ppm), Area is the indoor Area, Height is the indoor floor Height:
and comparing the current ventilation volume Vcurrent with the lowest ventilation volume Vmin, and judging whether the current ventilation volume Vcurrent meets the requirement of the lowest ventilation volume Vmin corresponding to the type of user.
for example, taking the performance index value as the wind speed range value, if the ordinary user has no special requirement on the wind speed and the wind speed can be any gear, the section of the performance index value corresponding to the ordinary user is B ═ 0,3, that is, the performance index value is any one of 0,1, 2, and 3; children, old people or sick people are sensitive to wind speed, noise and the like, and high wind needs to be avoided, so that the interval of the performance index value corresponding to the user is B ═ 0, 2; if the user selects "like a gentle fall wind" in the figure or constantly sets a low wind or a quiet wind in the historical operation, the section of the performance index value corresponding to the user is B [0,1 ].
it is also understood that the section composed of the performance index value intersects with the section composed of the performance index value corresponding to the user type.
and 411, controlling the air conditioning equipment according to the performance index value to improve the current indoor ventilation quantity.
The indoor air conditioning method provided by the embodiment of the invention can dynamically evaluate the indoor ventilation volume level, and comprehensively integrate the adjustable capacity of air conditioning equipment such as a fresh air machine and the like, the wind speed adjusting preference of a user, the outdoor air quality and other factors to determine the final adjusting strategy or window opening reminding and other operations of the air conditioning equipment such as the fresh air machine and the like. Not only according to actual indoor air circumstance ventilation volume level, judge whether need carry out air circumstance and adjust, consider user's comfortable healthy impression again, avoid the too big condition that leads to user's sensation uncomfortable or influence user's health of wind speed regulation, improve user experience.
Example 2
Based on the same inventive concept, the embodiment of the present invention further provides an indoor air conditioning device, and since the device is the device in the method in the embodiment of the present invention, and the principle of the device to solve the problem is similar to that of the method, the implementation of the device may refer to the implementation of the method, and repeated details are not repeated.
As shown in fig. 5, the apparatus includes: a processor 500 and a memory 501, wherein the memory stores program code that, when executed by the processor, causes the terminal to perform the following:
acquiring indoor air parameters according to a set frequency, and determining the indoor current ventilation volume according to the pre-acquired indoor space information, the currently acquired air parameters and the air parameters acquired at the last moment;
if the current ventilation volume is lower than the lowest ventilation volume, determining a performance index value which is not lower than the lowest ventilation volume according to a performance index set of the indoor air conditioning equipment, wherein the lowest ventilation volume is determined according to preset ventilation times corresponding to the user type of the indoor user and the space information;
and controlling the air conditioning equipment according to the performance index value to improve the current indoor ventilation quantity.
As an optional implementation, the processor is configured to perform:
and determining the performance index value corresponding to the ventilation quantity meeting the indoor user requirement according to the acquired ventilation quantity requirement information of the user from the performance index value corresponding to the lowest ventilation quantity.
As an optional implementation, the processor is configured to perform:
and if the set containing the performance index value intersects with the set containing the performance index value corresponding to the user type, determining the performance index value corresponding to the minimum ventilation volume from the intersected performance index values, wherein the performance index value corresponding to the user type is determined according to the acquired comfort level requirement information of the user type on the air parameters.
As an optional implementation, the processor is configured to perform:
and if the set containing the performance index value does not intersect with the set containing the performance index value corresponding to the user type and the pollution degree of the outdoor environment quality to the indoor air quality is higher than a threshold value, determining the performance index value corresponding to the minimum ventilation volume.
As an optional implementation, the processor is configured to perform:
and if the set containing the performance index value does not intersect with the set containing the performance index value corresponding to the user type and the pollution degree of the outdoor environment quality to the indoor air quality is not higher than a threshold value, sending a windowing reminding message to inform a user of windowing and increasing the ventilation volume.
Example 3
Based on the same inventive concept, the embodiment of the present invention further provides an indoor air conditioning device, and since the device is the device in the method in the embodiment of the present invention, and the principle of the device to solve the problem is similar to that of the method, the implementation of the device may refer to the implementation of the method, and repeated details are not repeated.
As shown in fig. 6, the apparatus includes:
the ventilation quantity determining unit 600 is configured to collect indoor air parameters according to a set frequency, and determine indoor current ventilation quantity according to the indoor space information acquired in advance, the currently collected air parameters, and the air parameters collected at the previous moment;
a performance index value determining unit 601, configured to determine, if the current air volume is lower than a lowest air volume, a performance index value that is not lower than the lowest air volume according to a performance index set of the indoor air conditioning equipment, where the lowest air volume is determined according to the preset number of times of ventilation that corresponds to the user type of the user located indoors and the space information;
an air volume adjusting unit 602, configured to control the air conditioning equipment according to the performance index value to increase the current indoor air volume.
As an optional implementation manner, the unit for determining a performance index value is specifically configured to:
and determining the performance index value corresponding to the ventilation quantity meeting the indoor user requirement according to the acquired ventilation quantity requirement information of the user from the performance index value corresponding to the lowest ventilation quantity.
As an optional implementation manner, the unit for determining a performance index value is specifically configured to:
determining a performance index value corresponding to the minimum ventilation quantity from the performance index values; or the like, or, alternatively,
and if the set containing the performance index value intersects with the set containing the performance index value corresponding to the user type, determining the performance index value corresponding to the minimum ventilation volume from the intersected performance index values, wherein the performance index value corresponding to the user type is determined according to the acquired comfort level requirement information of the user type on the air parameters.
As an optional implementation manner, the unit for determining a performance index value is specifically configured to:
and if the set containing the performance index value does not intersect with the set containing the performance index value corresponding to the user type and the pollution degree of the outdoor environment quality to the indoor air quality is higher than a threshold value, determining the performance index value corresponding to the minimum ventilation volume.
As an optional implementation manner, the unit for determining a performance index value is further specifically configured to:
and if the set containing the performance index value does not intersect with the set containing the performance index value corresponding to the user type and the pollution degree of the outdoor environment quality to the indoor air quality is not higher than a threshold value, sending a windowing reminding message to inform a user of windowing and increasing the ventilation volume.
An embodiment of the present invention further provides a computer-readable non-volatile storage medium, which includes program code, and when the program code runs on a computing terminal, the program code is configured to enable the computing terminal to execute the following steps:
acquiring indoor air parameters according to a set frequency, and determining the indoor current ventilation volume according to the pre-acquired indoor space information, the currently acquired air parameters and the air parameters acquired at the last moment;
if the current ventilation volume is lower than the lowest ventilation volume, determining a performance index value which is not lower than the lowest ventilation volume according to a performance index set of the indoor air conditioning equipment, wherein the lowest ventilation volume is determined according to preset ventilation times corresponding to the user type of the indoor user and the space information;
and controlling the air conditioning equipment according to the performance index value to improve the indoor current ventilation quantity.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A method of indoor air conditioning, the method comprising:
acquiring indoor air parameters according to a set frequency, and determining the indoor current ventilation volume according to the pre-acquired indoor space information, the currently acquired air parameters and the air parameters acquired at the last moment;
if the current ventilation volume is lower than the lowest ventilation volume, determining a performance index value which is not lower than the lowest ventilation volume according to a performance index set of the indoor air conditioning equipment, wherein the lowest ventilation volume is determined according to preset ventilation times corresponding to the user type of the indoor user and the space information;
and controlling the air conditioning equipment according to the performance index value to improve the current indoor ventilation quantity.
2. The method according to claim 1, wherein said determining a performance indicator value not lower than the lowest ventilation level comprises:
and determining the performance index value corresponding to the ventilation quantity meeting the indoor user requirement according to the acquired ventilation quantity requirement information of the user from the performance index value corresponding to the lowest ventilation quantity.
3. The method of claim 2, wherein the determining the performance index value corresponding to the ventilation volume that meets the indoor user requirement comprises:
determining a performance index value corresponding to the minimum ventilation quantity from the performance index values; or the like, or, alternatively,
and if the set containing the performance index value intersects with the set containing the performance index value corresponding to the user type, determining the performance index value corresponding to the minimum ventilation volume from the intersected performance index values, wherein the performance index value corresponding to the user type is determined according to the acquired comfort level requirement information of the user type on the air parameters.
4. The method of claim 2, wherein the determining the performance index value corresponding to the ventilation volume meeting the indoor user requirement comprises:
and if the set containing the performance index value does not intersect with the set containing the performance index value corresponding to the user type and the pollution degree of the outdoor environment quality to the indoor air quality is higher than a threshold value, determining the performance index value corresponding to the minimum ventilation volume.
5. The method of claim 4, further comprising:
and if the set containing the performance index value does not intersect with the set containing the performance index value corresponding to the user type and the pollution degree of the outdoor environment quality to the indoor air quality is not higher than a threshold value, sending a windowing reminding message to inform a user of windowing and increasing the ventilation volume.
6. An indoor air conditioning apparatus, comprising: a processor and a memory, wherein the memory stores program code that, when executed by the processor, causes the terminal to perform the following:
acquiring indoor air parameters according to a set frequency, and determining the indoor current ventilation volume according to the pre-acquired indoor space information, the currently acquired air parameters and the air parameters acquired at the last moment;
if the current ventilation volume is lower than the lowest ventilation volume, determining a performance index value which is not lower than the lowest ventilation volume according to a performance index set of the indoor air conditioning equipment, wherein the lowest ventilation volume is determined according to preset ventilation times corresponding to the user type of the indoor user and the space information;
and controlling the air conditioning equipment according to the performance index value to improve the current indoor ventilation quantity.
7. The device of claim 6, wherein the processor is configured to perform:
and determining the performance index value corresponding to the ventilation quantity meeting the indoor user requirement according to the acquired ventilation quantity requirement information of the user from the performance index value corresponding to the lowest ventilation quantity.
8. The device of claim 7, wherein the processor is configured to perform:
and if the set containing the performance index value intersects with the set containing the performance index value corresponding to the user type, determining the performance index value corresponding to the minimum ventilation volume from the intersected performance index values, wherein the performance index value corresponding to the user type is determined according to the acquired comfort level requirement information of the user type on the air parameters.
9. The device of claim 7, wherein the processor is configured to perform:
and if the set containing the performance index value does not intersect with the set containing the performance index value corresponding to the user type and the pollution degree of the outdoor environment quality to the indoor air quality is higher than a threshold value, determining the performance index value corresponding to the minimum ventilation volume.
10. The device of claim 9, wherein the processor is configured to perform:
and if the set containing the performance index value does not intersect with the set containing the performance index value corresponding to the user type and the pollution degree of the outdoor environment quality to the indoor air quality is not higher than a threshold value, sending a windowing reminding message to inform a user of windowing and increasing the ventilation volume.
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