CN113251587B - Intelligent control device and method for fresh air system - Google Patents

Intelligent control device and method for fresh air system Download PDF

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Publication number
CN113251587B
CN113251587B CN202110530114.7A CN202110530114A CN113251587B CN 113251587 B CN113251587 B CN 113251587B CN 202110530114 A CN202110530114 A CN 202110530114A CN 113251587 B CN113251587 B CN 113251587B
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China
Prior art keywords
user
information
position information
air inlet
fresh air
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CN113251587A (en
Inventor
王奕飞
王峻
李炯
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Shanghai Geruite Technology Industrial Co ltd
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Shanghai Geruite Technology Industrial Co ltd
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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
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/54—Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
    • 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
    • F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2120/00—Control inputs relating to users or occupants
    • F24F2120/10—Occupancy
    • F24F2120/12—Position of occupants
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Fluid Mechanics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The invention is applicable to the field of computers, and provides an intelligent control method of a fresh air system. The operation parameters of the fresh air system can be adjusted according to the position relation between the user and the air inlet to enable the fresh air system to be in an optimal operation state, so that the user can feel comfortable, and meanwhile, the energy consumption of the fresh air system is reduced, and unnecessary expenses are avoided.

Description

Intelligent control device and method for fresh air system
Technical Field
The invention belongs to the field of computers, and particularly relates to an intelligent control device and method of a fresh air system.
Background
Air conditioning has become popular in most households, but a series of problems with air conditioning have arisen: is easy to catch cold; obtaining air conditioning diseases; indoor air does not circulate for a long time, and bacteria and the like are easy to grow. The generation of the fresh air system well solves the problems. The fresh air system mainly comprises an air inlet system and an air exhaust system, the air inlet system and the air exhaust system form an air treatment system, indoor air is circularly discharged while the temperature of the indoor air is controlled, outdoor air is filtered and introduced into a room, and the quality and flow of the indoor air are controlled. The fresh air system is mainly divided into a pipeline type fresh air system and a pipeline-free fresh air system, and the pipeline type fresh air system is relatively suitable for being used in an industrial or large-area office area due to large engineering quantity, and the pipeline-free fresh air system is relatively suitable for being used in families due to convenient installation.
In the process of using the existing ductless fresh air system in a household, a user sets the air inlet temperature and the air inlet speed of the fresh air system, then indoor air and outdoor air start to circularly flow, and when the air inlet temperature and the air inlet speed need to be changed, the user operates through control equipment.
However, when a user falls asleep or cannot operate the fresh air system, the fresh air system cannot be regulated, or when the user is in a busy state, the running state of the fresh air system cannot be concerned in real time, proper regulation cannot be performed on the fresh air system, for example, when the air inlet temperature of the fresh air system can be regulated to 25 ℃ to run, the fresh air system still runs in a state of 22 ℃, and the fresh air system cannot be regulated according to the state of the user, so that the fresh air system is kept at the optimal running parameters, energy waste can be caused, and unnecessary expense is increased in an intangible way.
Disclosure of Invention
The embodiment of the invention provides an intelligent control device and method for a fresh air system, which aim to solve the problems that the fresh air system cannot be adjusted according to the state of a user, so that the fresh air system is kept at an optimal operation parameter, energy waste is caused, and unnecessary expenditure is increased intangibly.
The embodiment of the invention is realized in such a way that the intelligent control method of the fresh air system comprises the following steps:
acquiring user position information and determining air inlet position information;
obtaining position relation information between a user and an air inlet according to the air inlet position information;
inquiring a data conversion table according to the position relation information, and converting the position relation information into fresh air system operation parameter information;
and adjusting the operation state of the fresh air system according to the operation parameter information.
As an improvement of the invention, the operation parameter information at least comprises an air inlet wind speed, an air inlet angle, a refrigerating/heating temperature and an air outlet wind speed.
As a further improvement of the invention: the obtaining the user position information, and determining the air inlet position information specifically comprises the following steps:
acquiring user position information;
judging the number of the user position information;
when the number of the obtained user position information is larger than 1, selecting midpoints of a plurality of user position information as air inlet position information.
And when the number of the acquired user position information is equal to 1, taking the user position information as air inlet position information.
As another improvement of the present invention, the obtaining the user location information specifically further includes: and acquiring the user position information and the user state information through measuring equipment arranged at the air inlet.
As a further aspect of the present invention, the user status information includes at least user body surface temperature distribution information.
As still further aspects of the present invention, after the acquiring the user location information, the method further includes:
judging whether the user state information accords with a pre-stored user model or not;
and when the user state information does not accord with the pre-stored user model, excluding non-user position information which does not accord with the pre-stored user model from the acquired plurality of user position information.
As an optimization scheme of the present invention, the method further includes:
analyzing the user body surface temperature distribution information;
obtaining the ratio of the high-temperature area with the temperature greater than or equal to the monitored temperature to the total area in the body surface temperature distribution information of the user;
judging whether the high temperature area ratio is larger than a set value;
and when the high temperature area ratio is larger than a set value, adjusting the running state of the fresh air system.
The embodiment of the invention provides an intelligent control device of a fresh air system, which comprises:
the measuring equipment is used for acquiring the user position information;
the statistics module is used for receiving the user position information from the measurement equipment and determining the air inlet position information;
the analysis module is used for obtaining the position relation information between the user and the air inlet according to the air inlet position information;
the conversion module is used for inquiring a data conversion table according to the position relation information and converting the position relation information into fresh air system operation parameter information;
and the adjusting module is used for adjusting the running state of the fresh air system according to the running parameter information.
As a further aspect of the present invention, the measuring device at least includes a position measuring device and a user body surface temperature measuring device.
The invention has the beneficial effects that: by acquiring the user position information and determining the air inlet position information, the air inlet position can be changed according to the position change of the user, the distance between the air inlet position and the air inlet is correspondingly changed, and according to the position relation between the air inlet position and the air inlet, the optimal fresh air system operation parameter corresponding to the current air inlet position is obtained by inquiring the data conversion table, so that the operation of the whole fresh air system is adjusted. The operation parameters of the fresh air system can be adjusted according to the position relation between the user and the air inlet to enable the fresh air system to be in an optimal operation state, so that the user can feel comfortable, and meanwhile, the energy consumption of the fresh air system is reduced, and unnecessary expenses are avoided.
Drawings
FIG. 1 is a schematic diagram of an intelligent control method operating environment of a fresh air system;
FIG. 2 is a main flow chart of an intelligent control method of a fresh air system;
FIG. 3 is a flow of determining air intake position information in an intelligent control method of a fresh air system;
FIG. 4 is a flow chart for determining effective user position information in an intelligent control method of a fresh air system;
FIG. 5 is a flow chart of monitoring the body surface temperature distribution of a user in an intelligent control method of a fresh air system;
fig. 6 is a schematic structural diagram of an intelligent control device of the fresh air system.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
According to the technical scheme, the air inlet position information is determined by acquiring the user position information, the air inlet position can be changed according to the position change of the user, the distance between the air inlet position and the air inlet is correspondingly changed, and according to the position relation between the air inlet position and the air inlet, the optimal fresh air system operation parameters corresponding to the current air inlet position are obtained by inquiring the data conversion table, so that the operation of the whole fresh air system is adjusted. The operation parameters of the fresh air system can be adjusted according to the position relation between the user and the air inlet to enable the fresh air system to be in an optimal operation state, so that the user can feel comfortable, and meanwhile, the energy consumption of the fresh air system is reduced, and unnecessary expenses are avoided.
Fig. 1 shows an operation environment schematic diagram of an intelligent control method of a fresh air system, wherein an intelligent control device of the fresh air system comprises a control center and measuring equipment, the measuring equipment acquires dynamic information of a user and transmits the dynamic information to the control center, the information of the user of the control center is analyzed and converted, finally, operation parameters of the fresh air system matched with the state of the user are obtained, the operation parameters are transmitted to an air inlet device (the air inlet device) and an air exhaust device, and the operation parameters are used for controlling the conveying speed of the air inlet device for conveying air into a room, the angle of the air entering the room and the refrigerating or heating temperature of the air before the air enters the room, and the speed of the air exhaust device for exhausting the air, so that the indoor temperature and the air circulation speed are suitable for a mobile line of the user.
Fig. 2 shows a main flow chart of an intelligent control method of a fresh air system according to an embodiment of the invention, where the method includes:
step S101: and acquiring the user position information and the user state information through measuring equipment arranged at the air inlet. The position of the user is monitored because when the parameters of the fresh air system are fixed, the air flow and the air temperature in the whole room are different when the user is at different positions, for example, the fresh air system conveys clean air to the vicinity of a sofa according to a certain angle, the user moves indoors and moves from the position of the sofa to the vicinity of a dining table, the indoor temperature and the air flow speed sensed nearby the dining table are different from those sensed at the sofa, the air flow speed is weakened through obstruction and shielding of indoor furniture and the like, when the air flow speed reaches the vicinity of the dining table, the air flow speed is weakened, the cooling feeling of the user is weakened, the user can enjoy the most comfortable feeling only at the sofa, the user wants to enjoy the feeling at other positions of the room, and only the control panel is manually adjusted to change the air inlet angle of the fresh air system. At the moment, the position information of the user is captured through the measuring equipment, and the method has guiding significance for adjusting the operation parameters of the fresh air system. In addition, the user state information at least comprises user body surface temperature distribution information. The body surface temperature of the user is monitored to further strengthen the intelligent control performance of the fresh air system, so that the fresh air system can change the operation parameters according to the difference of the body surface temperature of the user besides changing the operation parameters according to the difference of the position of the user, and the intelligent control of the fresh air system is finer.
It should be noted that, when the measuring device obtains the position information of the user and the state information of the user, the measuring device may be set to obtain the position information and the state information of the user in real time, or the measuring device may be set to obtain the position information and the state information of the user periodically, for example, once every hour, so that the running parameters of the fresh air system can be timely adjusted, and the intelligent control device of the fresh air system can refresh the data in the fresh air system too frequently, so as to reduce the operation amount.
Step S102: and determining air inlet position information according to the user position information. Because the positions of the users are different, the final position of the air inlet changes, and the determination of the position of the air inlet changes along with the change of the position of the users.
Step S103: and obtaining the position relation information between the user and the air inlet according to the air inlet position information. The air inlet is a terminal for conveying air to the indoor by the air inlet equipment, knows the distance between the air inlet and the user, the pitch angle between the air inlet and the user in space, and the like, can adjust the inclination angle of the fan blade of the air inlet, change the wind direction, adjust the air conveying speed of the air inlet, can control the air to reach the surrounding of the user without causing the user to feel uncomfortable feeling of direct blowing or the wind speed to be too small, and can not feel the effect of the fresh air system,
step S104: and inquiring a data conversion table according to the position relation information, and converting the position relation information into fresh air system operation parameter information. Because the position of the user is controllable relative to the condition of the change of the air inlet, when the user moves in a certain range, the operation parameters of the fresh air system do not need to be changed excessively or need not to be changed at all, the position relation between the certain range and the position of the air inlet is a range value, in the range, the position relation corresponds to the optimal operation parameters of the fresh air system, the operation parameters corresponding to each small range of the user activity are made into one-to-one data conversion table, and when the position relation information is determined, the data conversion table is correspondingly queried, so that the operation parameter information of the fresh air system can be obtained. It should be noted that, the operation parameter information at least includes wind speed of the air inlet, wind angle of the air inlet, refrigerating/heating temperature, wind speed of the air outlet, etc., as long as the data related to the operation of the fresh air system can be increased or decreased to the data conversion table as appropriate, so that the operation parameter information is more perfect.
For example, when a user moves within a certain fixed 1 square meter, the fresh air system corresponds to one optimal operation parameter, and when the user moves within another fixed 1 square meter, the fresh air system corresponds to another optimal operation parameter, and the area of each square meter has a fixed position relation relative to the air inlet, so that the fixed position relations and the operation parameters can be in one-to-one correspondence, the one-to-one correspondence array is made into a data conversion table, which is equivalent to a data conversion rule, and the position information of the user can be directly converted into the operation parameter information of the fresh air system.
Step S105: and adjusting the operation state of the fresh air system according to the operation parameter information. And respectively transmitting the obtained operation parameter information to corresponding equipment according to the equipment corresponding to the parameters of the operation parameter information: the operation parameter information of the air inlet equipment is controlled to be sent into the control module of the air inlet equipment, and the operation parameter information of the air exhaust equipment is controlled to be sent into the control module of the air exhaust equipment, so that the air inlet equipment and the air exhaust equipment work cooperatively, and indoor air flow can be always in a comfortable state for users.
Fig. 3 shows a flow for determining air intake position information in an intelligent control method of a fresh air system according to an embodiment of the present invention, and specific steps are as follows:
step S201: user location information is obtained. Because there may be multiple users in a room at the same time, multiple user positions acquired at this time will be generated, and when multiple users exist, the fresh air system may not be able to take the position of a certain user as the air inlet position, so that experience of other users will be reduced.
Step S202: and judging the number of the user position information.
Step S203: when the number of the obtained user position information is larger than 1, selecting midpoints of a plurality of user position information as air inlet position information. The midpoints of the user positions are taken as the air inlet positions, so that the feeling of the users can be considered, and although the best experience of each user can not be ensured, the sensory difference between the users is not too large, and the degree that each person can accept the air inlet position is achieved.
Step S204: and when the number of the acquired user position information is equal to 1, taking the user position information as air inlet position information.
Fig. 4 shows a flowchart for determining effective user position information in an intelligent control method of a fresh air system according to an embodiment of the present invention, where after the user position information is obtained, the method further includes:
step S301: and judging whether the user state information accords with a pre-stored user model or not. The subject for verifying the indoor activity is a user or a person. The user state information at least comprises user body surface temperature distribution information. But also the height, sound, language, etc. of the user, in order to distinguish the person from other creatures, and the pet can be discharged outside when the pet is kept indoors. The user model stored in advance may be audio for pre-recording, a user body model for automatic recognition, or some information, such as language, sound, body surface temperature, etc., of distinguishing a person from other creatures, which is preset in advance by the system.
Step S302: and when the user state information does not accord with the pre-stored user model, excluding non-user position information which does not accord with the pre-stored user model from the acquired plurality of user position information. When the detected position information is inconsistent, the detected position information is indicated to be of other living things such as cats, dogs and the like, and the position information of the living things can be removed at the moment, and only the position information of the person is calculated.
Step S303: and when the user state information accords with a pre-stored user model, retaining the user position information. Compliance indicates that the monitored user location information is that of a person and therefore needs to be preserved.
Fig. 5 shows a flowchart for monitoring the body surface temperature distribution of a user in an intelligent control method of a fresh air system according to an embodiment of the present invention, and the specific steps are as follows:
step S401: analyzing the user body surface temperature distribution information. The infrared equipment is adopted in the measuring equipment, so that the non-contact remote temperature measurement effect can be realized, the remote monitoring can be carried out on a user moving in real time, and adverse effects on the user can be avoided in the monitoring process.
Step S402: and obtaining the ratio of the area of the temperature greater than or equal to the monitored temperature to the high temperature area of the total area in the body surface temperature distribution information of the user. The monitoring temperature can be the normal temperature of the human body in a quiet state, for example, the monitoring temperature can be set at 36.3 ℃, when the human body is subjected to severe movement or the temperature of the environment is high, and then the temperature of the human body is raised, the surface temperature of the human body is mostly higher than 36.3 ℃, when the high temperature most positions of the human body are in a high temperature area, the human body is dryness-heat, the human body feels uncomfortable, and the human body needs to be cooled, so that the temperature distribution information of the body surface of a user needs to be analyzed, and the ratio of the temperature to the high temperature area with the area of the monitoring temperature being higher than or equal to the total area is needed to judge whether the fresh air system is further subjected to fine adjustment.
Step S403: and judging whether the high temperature area ratio is larger than a set value. The set value is a threshold value set in advance, and the value represents the ratio of the high temperature region of the human body when the human body is uncomfortable.
Step S404: and when the high temperature area ratio is larger than a set value, adjusting the running state of the fresh air system. The adjustment specifically means adjustment for reducing the cooling effect of the fresh air system, and no matter in summer or winter, when the ratio of the high temperature area is larger than a set value, the indoor temperature is higher at the moment, the temperature needs to be reduced in time, the refrigeration can be increased in summer, and the cold air speed is increased; in winter, the heating can be reduced, and the hot air speed can be reduced.
Step S405: and when the high temperature area ratio is not greater than a set value, maintaining the running state of the fresh air system. The indoor temperature can be maintained in a comfortable state for users at the moment, and the operation of the fresh air system does not need to be finely adjusted.
Fig. 6 shows a schematic structural diagram of an intelligent control device of a fresh air system in an embodiment of the present invention, where the intelligent control device includes:
and a measuring device 100 for acquiring user location information. The measuring equipment at least comprises position measuring equipment and user body surface temperature measuring equipment, and can also comprise radio receiving equipment, camera shooting equipment and the like.
The statistics module 200 is configured to receive user location information from the measurement device and determine air intake location information.
And the analysis module 300 is used for obtaining the position relation information between the user and the air inlet according to the air inlet position information.
And the conversion module 400 is used for inquiring a data conversion table according to the position relation information and converting the position relation information into fresh air system operation parameter information.
And the adjusting module 500 is used for adjusting the operation state of the fresh air system according to the operation parameter information.
In order to be able to load the method and system described above to operate successfully, the apparatus may comprise more or less components than described above, or some components may be combined, or different components may comprise, for example, input-output devices, network access devices, buses, processors, memories, etc., in addition to the various modules described above. The memory is different from the above-mentioned memory module in that the memory module belongs to a functional module in the system, and the memory is a use of existing hardware.
The processor may be a central processing unit (Central Processing Unit, CPU), other general purpose processors, digital signal processors (Digital Signal Processor, DSP), application specific integrated circuits (Application Specific Integrated Circuit, ASIC), off-the-shelf programmable gate arrays (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or the like. The general purpose processor may be a microprocessor or any conventional processor or the like that is the control center of the client or social system described above, with various interfaces and lines connecting the various parts of the overall user terminal.
The memory may be used to store a computer and a system program and/or a module, and the processor may implement various functions of the client by running or executing the computer program and/or the module stored in the memory and invoking data stored in the memory. The memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function (such as an information acquisition template display function, a product information release function, etc.), and the like; the storage data area may store data created according to the use of the berth status display system (e.g., product information acquisition templates corresponding to different product types, product information required to be released by different product providers, etc.), and so on. In addition, the memory may include high-speed random access memory, and may also include non-volatile memory, such as a hard disk, memory, plug-in hard disk, smart Media Card (SMC), secure Digital (SD) Card, flash Card (Flash Card), at least one disk storage device, flash memory device, or other volatile solid-state storage device.
It should be understood that, although the steps in the flowcharts of the embodiments of the present invention are shown in order as indicated by the arrows, these steps are not necessarily performed in order as indicated by the arrows. The steps are not strictly limited to the order of execution unless explicitly recited herein, and the steps may be executed in other orders. Moreover, at least some of the steps in various embodiments may include multiple sub-steps or stages that are not necessarily performed at the same time, but may be performed at different times, nor do the order in which the sub-steps or stages are performed necessarily performed in sequence, but may be performed alternately or alternately with at least a portion of the sub-steps or stages of other steps or other steps.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims (3)

1. An intelligent control method of a fresh air system is characterized by comprising the following steps:
acquiring user position information and determining air inlet position information;
the obtaining the user position information, and determining the air inlet position information specifically comprises the following steps:
acquiring user position information;
judging the number of the user position information;
when the number of the obtained user position information is larger than 1, selecting midpoints of a plurality of user position information as air inlet position information;
when the number of the obtained user position information is equal to 1, the user position information is used as air inlet position information;
the obtaining the user location information specifically further includes:
acquiring user position information and user state information through measuring equipment arranged at the air inlet;
the user state information at least comprises user body surface temperature distribution information, and can also comprise height, sound, voice and the like of a user;
obtaining position relation information between a user and an air inlet according to the air inlet position information;
after the obtaining the user location information, the method further comprises:
judging whether the user state information accords with a pre-stored user model or not;
the pre-stored user model can be audio frequency used for pre-recording, an automatically identified user body model and the like, and can also be certain information which is preset in advance by the system and distinguishes people from other organisms, such as language, sound, body surface temperature and the like;
when the user state information is inconsistent with a pre-stored user model, excluding non-user position information inconsistent with the pre-stored user model from the acquired plurality of user position information;
inquiring a data conversion table according to the position relation information, and converting the position relation information into fresh air system operation parameter information; a one-to-one correspondence relation between the position relation information and the operation parameter information of the fresh air system is constructed in the data conversion table;
making the operation parameters corresponding to each small range of the user activity into a one-to-one data conversion table, and when determining the position switch When the information is obtained, the data conversion table is correspondingly inquired, so that the operation parameter information of the fresh air system can be obtained;
adjusting the operation state of the fresh air system according to the operation parameter information;
the operation parameter information at least comprises air inlet wind speed, air inlet angle, refrigeration/heating temperature and air outlet wind speed;
analyzing the user body surface temperature distribution information;
obtaining the ratio of the high-temperature area with the temperature greater than or equal to the monitored temperature to the total area in the body surface temperature distribution information of the user;
judging whether the high temperature area ratio is larger than a set value;
and when the high temperature area ratio is larger than a set value, adjusting the running state of the fresh air system.
2. An intelligent control device of a fresh air system, which is characterized in that the intelligent control device comprises:
the measuring equipment is used for acquiring the user position information;
the measuring device is particularly used for:
acquiring user position information;
judging the number of the user position information;
when the number of the obtained user position information is larger than 1, selecting midpoints of a plurality of user position information as air inlet position information;
when the number of the obtained user position information is equal to 1, the user position information is used as air inlet position information;
the obtaining the user location information specifically further includes:
acquiring user position information and user state information through measuring equipment arranged at the air inlet;
the user state information at least comprises user body surface temperature distribution information, and can also comprise height, sound, voice and the like of a user;
the statistics module is used for receiving the user position information from the measurement equipment and determining the air inlet position information;
the analysis module is used for obtaining the position relation information between the user and the air inlet according to the air inlet position information;
the conversion module is used for inquiring a data conversion table according to the position relation information and converting the position relation information into fresh air system operation parameter information;making the operation parameters corresponding to each small range of the user activity into one-to-one data conversion The conversion table is correspondingly inquired when the position relation information is determined, so that the operation parameter information of the fresh air system can be obtained Extinguishing;
the adjusting module is used for adjusting the running state of the fresh air system according to the running parameter information;
after the obtaining of the user location information, the apparatus is specifically further configured to:
judging whether the user state information accords with a pre-stored user model or not;
the pre-stored user model can be audio frequency used for pre-recording, an automatically identified user body model and the like, and can also be certain information which is preset in advance by the system and distinguishes people from other organisms, such as language, sound, body surface temperature and the like;
when the user state information is inconsistent with a pre-stored user model, excluding non-user position information inconsistent with the pre-stored user model from the acquired plurality of user position information;
the device is also specifically for:
analyzing the user body surface temperature distribution information;
obtaining the ratio of the high-temperature area with the temperature greater than or equal to the monitored temperature to the total area in the body surface temperature distribution information of the user;
judging whether the high temperature area ratio is larger than a set value;
and when the high temperature area ratio is larger than a set value, adjusting the running state of the fresh air system.
3. The intelligent control device of a fresh air system according to claim 2, wherein the measuring means comprises at least a position measuring means and a user body surface temperature measuring means.
CN202110530114.7A 2021-05-14 2021-05-14 Intelligent control device and method for fresh air system Active CN113251587B (en)

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