CN114294808B - Fresh air control system and method adapting to personnel working efficiency requirements - Google Patents
Fresh air control system and method adapting to personnel working efficiency requirements Download PDFInfo
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Abstract
The utility model relates to a fresh air control system and method adapting to the working efficiency demand of personnel, comprising a carbon dioxide monitoring module, a human body state monitoring module, a central processing module and fresh air equipment. The current indoor carbon dioxide concentration value is obtained through the carbon dioxide monitoring module, the human body state information capable of reflecting the working efficiency of the personnel is obtained through the human body state monitoring module, and the target carbon dioxide concentration value regulated by fresh air is determined by combining the two factors, so that the fresh air control system and the method of the embodiment of the disclosure can improve the working efficiency of the indoor personnel on the basis of meeting the basic fresh air regulation.
Description
Technical Field
The present disclosure relates to the field of indoor gas environment control, and in particular, to a fresh air control system, method, and apparatus, and a non-volatile computer-readable storage medium.
Background
The indoor air quality has certain influence on human body performance or health. Therefore, fresh air (i.e. fresh air) needs to be introduced into the room to dilute or remove pollutants, so as to meet relevant standards and ensure the health of human body functions.
With carbon dioxide (i.e. CO)2) For example, the specific standards can be found in, but not limited to, indoor air quality standard GB/T18883-2002, indoor air carbon dioxide health standard GB/T17094-1997 and public place health index and limit requirement GB 37488-2019.
At present, the technical scheme of fresh air control mainly comprises the following two steps:
1. a control method based on the fresh air volume required by everyone is disclosed. For example, 30m is usually selected in office buildings in China3The fresh air volume of people is taken as a standard, the required total fresh air volume is obtained by multiplying the per-person standard fresh air volume by the number of people in the room, and the fresh air volume is larger as the number of people is larger.
The problem of this kind of prior art scheme lies in, the influence of infiltration wind of building ubiquitous, because infiltration wind also belongs to the new trend, equally effective to diluting the pollutant, but the difficult measurement of infiltration wind, often also can not consider infiltration wind during so control. Therefore, for the fresh air volume of actual demand, the fresh air volume that this type of prior art scheme provided is too much, is unfavorable for energy-conservation, especially in the great winter of indoor outer difference in temperature in summer two seasons, and the ventilation air volume is too big can cause huge cold, heat load.
2. A control method based on indoor carbon dioxide real-time concentration monitoring. Since a large number of indoor pollutants are emitted by a human body, and the amount of the emitted indoor pollutants is approximately proportional to carbon dioxide exhaled by the human body, carbon dioxide is generally selected as a marker for measuring the overall air quality, that is, the air quality is controlled by considering that the concentration of the indoor carbon dioxide is controlled (other pollutants are diluted while the carbon dioxide is diluted). For example, many countries, including China, require concentrations of carbon dioxide to be controlled to below 1000 ppm. When the concentration of the carbon dioxide exceeds 1000ppm or a certain concentration value, the fresh air is started or increased; otherwise, the fresh air is turned off or reduced. The control strategy is more direct and effective, can meet the health requirement of human body functions, can realize energy conservation, does not cause the problem of excessive supply of fresh air, and is superior to the control method based on the fresh air quantity required by people.
A problem with this prior art solution is that the target value of the regulatory optimization (e.g. the regulated carbon dioxide target value of 1000ppm) is always fixed. However, when the current concentration value of carbon dioxide in the environment does not exceed the healthy range, the excitability of the respiratory center of the human body changes along with the change of the current concentration value of carbon dioxide, so that stimulation of different degrees is caused to the central nervous system of the human body, and the working efficiency is further influenced. The stimulation of the human body by carbon dioxide from the environment is constantly in a changing state, as the human body is influenced by its physiological state and the type of work performed. For example, when simple processing is performed, the central nervous system is not sufficiently active due to the fact that the complexity of the task itself is weak, and if the concentration of carbon dioxide in the environment is appropriately high, the excitability of the central nervous system can be enhanced, and the working efficiency is improved; when complex work is processed, the task can improve the excitability of the central nervous system, and at the moment, if the current concentration value of carbon dioxide in the environment is high, additional stimulation to the central nervous system becomes a burden, and the work efficiency is reduced.
Disclosure of Invention
In view of this, the present disclosure provides a fresh air control system, method, device and non-volatile computer readable storage medium, so that fresh air control can be based on the basic function of adjusting air quality, and indoor personnel can obtain better working efficiency.
One aspect of the present disclosure provides a fresh air control system, which is characterized in that the system includes:
the carbon dioxide monitoring module is used for monitoring the current concentration value of carbon dioxide in the indoor gas environment and providing the current concentration value of carbon dioxide to the central processing module;
the human body state monitoring module is used for collecting original information of an indoor human body, and the original information is used for determining human body state information;
the central processing module is used for obtaining a carbon dioxide target concentration value according to the human body state information and the carbon dioxide current concentration value under the condition of obtaining the human body state information, and outputting a control signal to fresh air equipment according to the carbon dioxide current concentration value and the carbon dioxide target concentration value;
and the fresh air equipment is used for supplementing fresh air to the indoor environment according to the control signal.
In a possible implementation manner, the central processing module is further configured to, in a case that the human body status information is not obtained, take a preset carbon dioxide target concentration value as the carbon dioxide target concentration value.
In one possible implementation manner, the fresh air control system further includes: a parameter setting module for setting the parameters of the system,
the parameter setting module is used for setting a preset carbon dioxide target concentration value corresponding to at least one time period and providing the time period and the corresponding preset carbon dioxide target concentration value to the central processing module;
the central processing module is used for determining the preset target concentration value of the carbon dioxide according to the time interval corresponding to the current moment.
In one possible implementation manner, the fresh air control system further includes: a parameter setting module for setting the parameters of the system,
the parameter setting module is used for setting the working type and/or the working duration,
and the central processing module is used for determining a preset carbon dioxide target concentration value according to the working type and/or the working duration.
In one possible implementation, the central processing module is configured to:
determining the initial value of the target concentration of the carbon dioxide according to the corresponding relation between the working type and the initial value of the target concentration of the carbon dioxide;
and determining a preset carbon dioxide target concentration value according to the working time and the initial value of the carbon dioxide target concentration.
In one possible implementation, the human state information includes a state of a human central nervous system and a work efficiency performance of the collected person.
In a possible implementation manner, obtaining a target carbon dioxide concentration value according to the human body state information and the current carbon dioxide concentration value includes:
determining an optimal expression area according to the relation between the state of the central nervous system of the human body and the work efficiency expression of the collected personnel;
when the human body state information is in the optimal expression area, taking the current carbon dioxide concentration value as a target carbon dioxide concentration value;
when the state of the human central nervous system in the human state information is higher than the state of the human central nervous system corresponding to the optimal expression area, reducing the current concentration value of the carbon dioxide to obtain a target concentration value of the carbon dioxide;
and when the state of the human central nervous system in the human state information is lower than the state of the human central nervous system corresponding to the optimal expression area, increasing the current concentration value of the carbon dioxide to obtain a target concentration value of the carbon dioxide.
In another aspect of the present disclosure, a fresh air control method is provided, where the method includes:
acquiring a monitored current concentration value of carbon dioxide in an indoor gas environment;
obtaining human body state information, obtaining a carbon dioxide target concentration value according to the human body state information and the current carbon dioxide concentration value, wherein the human body state information is determined according to the collected indoor human body original information;
and outputting a control signal to fresh air equipment according to the current carbon dioxide concentration value and the target carbon dioxide concentration value, wherein the control signal is used for controlling the fresh air equipment to supplement fresh air to the indoor environment.
In another aspect of the present disclosure, a fresh air control device is provided, including:
a processor;
a memory for storing computer program instructions executable by the processor;
wherein the processor is configured to, upon execution of the computer program instructions, perform the above-described fresh air control method.
In another aspect of the present disclosure, a non-transitory computer-readable storage medium is provided, on which computer program instructions are stored, which when executed by a processor implement the above-mentioned fresh air control method.
According to the method, original information about a human body collected by a human body monitoring module is converted into human body state information to serve as a consideration factor for determining the carbon dioxide target concentration value by a central processing module, and the relationship between the human body central nervous system excitability and the carbon dioxide concentration is combined, so that different carbon dioxide target concentration values are set according to the human body state information and the current carbon dioxide concentration value, the carbon dioxide target concentration value can be changed along with the state adaptability of the human body and the current environment, fresh air equipment can be accurately controlled, the human body central nervous system excitability is changed, and the working efficiency of the fresh air equipment is further influenced.
Other features and aspects of the present disclosure will become more apparent in view of the following detailed description of exemplary embodiments with reference to the attached drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate exemplary embodiments, features, and aspects of the disclosure and, together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a structural diagram of a fresh air control system according to an embodiment of the present disclosure.
Fig. 2 is a structural diagram of a fresh air control system according to an embodiment of the present disclosure.
Fig. 3 is a flowchart of a fresh air control method according to an embodiment of the present disclosure.
Fig. 4 is a flowchart of a fresh air control method according to an embodiment of the present disclosure.
Fig. 5 is a structural diagram of a fresh air control device according to an embodiment of the present disclosure.
Fig. 6 is a schematic diagram illustrating a relationship between a status of a central nervous system of a human body and a performance of a work efficiency according to an embodiment of the present disclosure.
List of reference numerals
| Name of module or component | Corresponding numbering of modules or |
| 100 | Fresh |
| 110 | Carbon |
| 120 | Human body |
| 121 | Original |
| 122 | State |
| 130 | Central processing module |
| 131 | Parameter setting module |
| 132 | |
| 140 | Fresh air equipment |
Detailed Description
Various exemplary embodiments, features and aspects of the present disclosure will be described in detail below with reference to the accompanying drawings. In the drawings, the same reference numbers indicate functionally identical or similar modules, components or elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.
Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present disclosure. It will be understood by those skilled in the art that the present disclosure may be practiced without some of these specific details. In some instances, methods, means, modules or components, etc., that are well known to those skilled in the art, have not been described in detail so as not to obscure the subject matter of the present disclosure.
Fig. 1 shows a structure diagram of a fresh air control system according to an embodiment of the present disclosure. As shown in fig. 1, the fresh air control system 100 includes:
the carbon dioxide monitoring module 110 is configured to monitor a current concentration value of carbon dioxide in the indoor gas environment, and provide the current concentration value of carbon dioxide to the central processing module 130. The carbon dioxide monitoring module can be deployed at an indoor preset monitoring point, single-point or multi-point monitoring can be achieved, and the current carbon dioxide concentration value obtained in a multi-point monitoring mode can be an average value of multi-point monitoring values.
The human body state monitoring module 120 is configured to collect original information of an indoor human body, where the original information is used to determine human body state information. The original information is collected original data or signals which are not processed and are related to the human body, such as images, videos and the like, and the human body state information is label information obtained by processing the original information or data, signals and the like which can be enumerated in other forms and can reflect the human body state of related personnel.
In one example, the human state information may include a state of the human central nervous system and a performance of a work efficiency of the person being collected. Wherein, the state of the human central nervous system can comprise the excitement of the human central nervous system, and the excitement from high to low can comprise classification labels such as higher, good, common and insufficient; the performance of the work efficiency from high to low can comprise the classification labels of high efficiency, good, general, poor and the like. The raw information may be processed by a classifier based on a machine learning model to have classification results (e.g., classification labels output by the classifier) as the human state information. For example, a classifier may be trained based on original information labeled with human state information, such as videos, images, and the like, and the trained classifier is used to classify the original information collected when the system is normally used, so as to obtain a corresponding human state information classification label, thereby determining the human state information.
The central processing module 130 is configured to, under the condition that the human body state information is obtained, obtain a carbon dioxide target concentration value according to the human body state information and the carbon dioxide current concentration value, and output a control signal to the fresh air device 140 according to the carbon dioxide current concentration value and the carbon dioxide target concentration value. The current carbon dioxide concentration value is the indoor current carbon dioxide concentration collected by the carbon dioxide monitoring module 110. Then, the central processing module 130 may determine and obtain an optimization target of the indoor carbon dioxide concentration, that is, the carbon dioxide target concentration value, according to the human body state information generated by itself or sent by the human body state monitoring module 120 and the current carbon dioxide concentration value, by combining with a preset rule. Specifically, the central processing module 130 may be configured to execute the processes shown in fig. 3 and fig. 4 of the present disclosure. The preset rule may be set according to a relationship between a state of the central nervous system (e.g., excitement of the central nervous system) of the human body and the performance of the work efficiency.
In a possible implementation manner, obtaining a target carbon dioxide concentration value according to the human body state information and the current carbon dioxide concentration value may include: determining an optimal expression area according to the relation between the state of the central nervous system of the human body and the work efficiency expression of the collected personnel; when the human body state information is in the optimal expression area, taking the current carbon dioxide concentration value as a target carbon dioxide concentration value; when the state of the human central nervous system in the human state information is higher than the state of the human central nervous system corresponding to the optimal expression area, reducing the current concentration value of the carbon dioxide to obtain a target concentration value of the carbon dioxide; and when the state of the human central nervous system in the human state information is lower than the state of the human central nervous system corresponding to the optimal expression area, increasing the current concentration value of the carbon dioxide to obtain a target concentration value of the carbon dioxide. As will be understood by those skilled in the art, the manner of obtaining the target concentration value of carbon dioxide according to the human body state information and the current concentration value of carbon dioxide can be set as required.
The relationship between the human central nervous system excitability and the performance of the work efficiency can be seen in fig. 6. As can be seen from fig. 6 and the foregoing, when the carbon dioxide concentration is in the healthy range, the higher the carbon dioxide concentration is, the greater the stimulation degree to the human central nervous system is, the higher the excitability to the human central nervous system is, but the performance of the human work efficiency is not linearly related to the excitability to the human central nervous system, and when the excitability to the human central nervous system is higher than the interval of the optimal performance zone, the higher the excitability to the human central nervous system adversely affects the performance of the human central nervous system; when the excitability of the human central nervous system is lower than the optimal expression area, the work efficiency expression still has larger improvement space. Therefore, the preset rule can determine whether the data point (the excitement of the central nervous system of the human body, the working efficiency expression) is in the optimal expression area in fig. 6 according to the human body state information such as the excitement of the central nervous system of the human body and the working efficiency expression of the personnel, and if the data point is in the optimal expression area, the target carbon dioxide concentration value can be maintained (i.e., the carbon dioxide concentration is not adjusted), for example, the current carbon dioxide concentration value is used as the target carbon dioxide concentration value; if the excitability of the central nervous system of the human body is higher than the optimal expression zone, reducing the target concentration value of carbon dioxide, for example, subtracting a certain range from the current concentration value of carbon dioxide to be used as the target concentration value of carbon dioxide, wherein the subtracted range can be set according to requirements, for example, 400ppm, so as to control the fresh air equipment 140 to supplement fresh air and reduce the concentration of indoor carbon dioxide; conversely, if the excitability is lower than the optimal expression zone, the target concentration value of carbon dioxide is increased, for example, a certain margin is added to the current concentration value of carbon dioxide to serve as the target concentration value of carbon dioxide, and the added margin can be set according to the requirement, for example, 400ppm, so that the stimulation to the central nervous system of the human body can be increased by reducing or stopping the supply of fresh air and/or further increasing the concentration of carbon dioxide by using a carbon dioxide generator.
As described above, for example, if the status of the central nervous system of the human body is good and the work efficiency is high, the classifier determines that the data point formed by the classification label of the excitement and the work efficiency of the central nervous system of the human body is (good, high) and falls into the optimal performance area shown in fig. 6, so as to determine that the carbon dioxide target concentration value remains unchanged (for example, remains as the current carbon dioxide concentration value); if the data point is (higher, worse), the classifier can determine that the data point falls into the area on the right side of the optimal expression zone in fig. 6, which indicates that the central nervous system of the related personnel is excessively stimulated and the working efficiency performance of the related personnel is also worse, at this time, the fresh air equipment 140 can be controlled to supplement fresh air to the indoor to reduce the concentration of indoor carbon dioxide by reducing the target concentration value of carbon dioxide, so that the stimulation of the central nervous system of the human body can be reduced, and finally, the data point formed by the excitability and the working efficiency performance of the central nervous system of the human body can fall into the optimal expression zone, thereby ensuring that the working efficiency performance of the personnel is at a higher level; if the data point is (insufficient, poor), it indicates that the arousal level of the human central nervous system is insufficient, the excitement is insufficient, the performance of the working efficiency of the personnel is poor, the carbon dioxide target concentration value can be increased, the fresh air equipment 140 can be controlled to stop or reduce the supplement of the fresh air, and/or the concentration of the indoor carbon dioxide can be increased through the carbon dioxide generator, so as to increase the stimulation to the human central nervous system, and the data point falls into the optimal performance area, thereby ensuring that the personnel have higher performance of the working efficiency.
In conjunction with the foregoing, fig. 6 actually explains that even if the concentration value of carbon dioxide is in the healthy range, it does not mean that the work efficiency of the worker is certainly increased or decreased by increasing or decreasing the current concentration value of carbon dioxide. If the excitability of the human central nervous system is insufficient, the current concentration value of the indoor carbon dioxide can be properly increased (the concentration of the carbon dioxide can be accumulated by reducing or not supplementing fresh air) so as to stimulate the human central nervous system; if the excitability of the central nervous system of the human body is excited and the like is in a strong stimulation state, the current concentration value of indoor carbon dioxide is not suitable to be increased, otherwise, the burden of the central nervous system of the human body is increased, the improvement of the working efficiency is counteracted, and if necessary, fresh air can be introduced to reduce the current concentration value of indoor carbon dioxide so as to reduce the stimulation of the carbon dioxide to the central nervous system of the human body and ensure the working efficiency. The specific relevant parameters, information, etc. can be set by those skilled in the art according to actual needs or relevant requirements, and the disclosure is not limited.
And the fresh air equipment 140 is used for supplementing fresh air to the indoor environment according to the control signal. Wherein, the control signal can control the opening degree of the fresh air valve of the fresh air device 140, the frequency and the rotating speed of the fan, etc.
In one possible example, the central processing module is further configured to, in a case where the human body status information is not obtained, take a preset carbon dioxide target concentration value as the carbon dioxide target concentration value.
For example, when the human body status monitoring module or its channel is abnormal, or the embodiment does not include the human body status monitoring module, or the human body status monitoring module 120 is not enabled, the carbon dioxide target concentration value set by the user is used as the standard.
In one possible example, the fresh air control system further comprises a parameter setting module, wherein the parameter setting module is configured to set a preset carbon dioxide target concentration value corresponding to at least one time period, and provide the time period and the corresponding preset carbon dioxide target concentration value to the central processing module; the central processing module is used for determining the preset target concentration value of the carbon dioxide according to the time interval corresponding to the current moment.
For example, the fresh air system works in a direct setting mode, taking a 24-hour working scene of the system as an example, each hour is a time period, a user can directly set a carbon dioxide target concentration value of each hour or a time period required to be set through the parameter setting module according to actual needs and provide the carbon dioxide target concentration value to the central processing module, and a default value can be adopted in a non-set time period. The central processing module may perform fresh air control on the carbon dioxide target concentration value set by the user in each time period (including the time period in which the default value is not directly set and used), for example, the central processing module determines which time period the current time belongs to, and searches for the carbon dioxide target concentration value corresponding to the time period, that is, under the condition that the implementation scheme does not include the human body state monitoring module 120, the human body state monitoring module 120 or a channel thereof is abnormal, or the human body state monitoring module 120 is not started, the technical scheme that the carbon dioxide target concentration value is changeable according to the set time period and the preset carbon dioxide target concentration value can still be realized.
In a possible example, the fresh air control system further includes a parameter setting module, the parameter setting module is configured to set a work type and/or a work duration, and the central processing module is configured to determine a preset target carbon dioxide concentration value according to the work type and/or the work duration.
In other words, the parameter setting module may directly set the preset target carbon dioxide concentration value corresponding to at least one period of time, or may indirectly set the preset target carbon dioxide concentration value by setting the work type and/or the work duration.
The specific form of the parameter setting module may be a button-type or touch-type control panel, a circuit thereof for executing parameter setting of the present embodiment, a computer program for executing parameter setting of the present embodiment, and a processor for executing the computer program. The specific form of the parameter setting module of the present disclosure is not limited.
In one possible example, the central processing module 130 is configured to determine an initial value of a target concentration of carbon dioxide according to a corresponding relationship between the work type and the initial value of the target concentration of carbon dioxide; and determining a preset carbon dioxide target concentration value according to the working time and the initial value of the carbon dioxide target concentration.
Wherein the system can operate in an indirect setting mode, the operation type and the operation duration can be set according to the following tables 1 and 2, and tables 1 and 2 are only examples and are not limited. The working type and the initial value of the target concentration of carbon dioxide have a corresponding relationship such as table 1, the working duration and the correction value of the target concentration of carbon dioxide have a corresponding relationship such as table 2, the initial value of the target concentration of carbon dioxide can be determined according to the working type, the correction value of the target concentration of carbon dioxide can be determined according to the working duration, and the initial value of the target concentration of carbon dioxide can be corrected (for example, the initial value of the target concentration of carbon dioxide is added, subtracted or multiplied) according to the correction value of the target concentration of carbon dioxide, so that the preset target concentration value of carbon dioxide can be obtained.
TABLE 1
TABLE 2
For example, by combining table 1 and table 2, if the user sets that the design creative work is performed all the time within a certain continuous 3-hour period, as can be seen from table 1, the initial value of the target concentration of carbon dioxide corresponding to the design creative work is 1200ppm, when the working time is less than 1 hour, the correction value of the target concentration of carbon dioxide is 0 according to table 2, and 1200ppm and 0 are added to obtain the preset target concentration of carbon dioxide of 1200ppm, that is, the target concentration of carbon dioxide regulated by the fresh air control system is unchanged, that is, maintained at 1200 ppm; if the working time is between 1 and 2 hours, and the carbon dioxide target concentration correction value is-300 ppm according to the table 2, presetting the carbon dioxide target concentration value to be 900ppm, namely subtracting 300ppm from 1200 ppm; if the working time is longer than 2 hours, according to the table 2, the carbon dioxide target concentration is corrected to be-600 ppm, and the preset carbon dioxide target concentration value is 1200ppm minus 600ppm, namely 600 ppm. And then, the central processing module sends a control signal to the fresh air equipment according to the carbon dioxide target concentration value (namely a preset carbon dioxide target concentration value) corrected by the carbon dioxide target concentration initial value, and executes a regulation action.
It should be noted that, when implementing the present exemplary technical solution, a person skilled in the art may cause a situation that the corrected preset carbon dioxide target concentration value is lower than the theoretical minimum value (the carbon dioxide concentration value in the outdoor fresh air) due to different settings, and only needs to correct the carbon dioxide target concentration value to be not lower than the theoretical minimum value again to handle such a situation.
In one possible example, referring to fig. 2, the human body state monitoring module 120 includes a raw information collecting module 121 for collecting the raw information; and a state information determining module 122, configured to determine the human body state information according to the original information.
The original information collecting module 121 may include an imaging device or apparatus, such as a video camera, a still camera, an infrared imager, etc.; and the device also can comprise a physiological parameter acquisition device or a sensor, such as an intelligent bracelet, a heart rate monitoring sensor, a myoelectricity sensor, an electroencephalogram sensor and the like. The raw information may include images, video, raw signals or signal spectra returned by the sensor, etc. The status information determination module 122 may be integrated with the human body status monitoring module 120, or may be implemented by a central processing module. The state information determining module 122 may obtain the human body state information based on, for example, the classifier and the like.
In one possible example, there is a more general indoor multi-person scenario, in which the target carbon dioxide concentration value may be determined by a few majority-compliant principles, or may be determined by a weighted average, and the like, and the specific means and manner are not limited.
For example, 50 teachers and students in a class are in class, wherein 30 teachers and students frequently play yawns (the central nervous system of the human body is in a fatigue state), and the rest 20 teachers and students normally show the yawns, and fresh air supply needs to be increased (the indoor carbon dioxide target concentration value is reduced, and stimulation to the central nervous system of the human body is reduced).
In one possible example, in an indoor multi-person scene, an indoor area is divided into a plurality of blocks, local carbon dioxide concentration adjustment is performed on each block in a fine-pipe breeze mode, and the current carbon dioxide concentration value of each block is adjusted.
For example, in an office scenario, workers are in relatively independent and semi-closed stations, and air ducts, air outlets, and the like can be distributed to each station (i.e., each block) in a duct distribution manner of a fine air duct and a small air opening, so that relatively independent local carbon dioxide concentration adjustment is performed for each station (i.e., for the work efficiency performance of each worker or the state of the central nervous system of a human body), and the current concentration value of carbon dioxide in the block is adjusted.
In another aspect of the present disclosure, referring to fig. 3, a fresh air control method is provided, which can be implemented by an electronic device, such as the central processing module 130 described above. The method comprises the following steps:
step S301, acquiring a monitored current concentration value of carbon dioxide in an indoor gas environment;
step S302, obtaining human body state information, obtaining a carbon dioxide target concentration value according to the human body state information and the carbon dioxide current concentration value, wherein the human body state information is determined according to the collected indoor human body original information;
and S303, outputting a control signal to fresh air equipment according to the current concentration value of the carbon dioxide and the target concentration value of the carbon dioxide, wherein the control signal is used for controlling the fresh air equipment to supplement fresh air to the indoor environment.
Wherein, in step S301, the current carbon dioxide concentration value is a parameter for finally determining the control signal. Step S302 obtains human body state information, and then the carbon dioxide target concentration value is determined by the carbon dioxide current concentration value and the human body state information. Step 303 generates and outputs a control signal by calculating according to the parameter information including the current carbon dioxide concentration value and the target carbon dioxide concentration value. The control signal may be recognized by the fresh air device 140 and performs the control action indicated by the control signal, and the content that the control signal and the control action indicated by the control signal can control includes, but is not limited to, the opening of the fresh air valve, the frequency of the fan, or the rotation speed of the fan.
A detailed example of step S303 can be seen in fig. 4. Firstly, step S3031 is to make a difference between the current carbon dioxide concentration value obtained in step S302 and the target carbon dioxide concentration value, if the difference is between-100 ppm and +100ppm, step S3034 is executed to maintain the opening of the fresh air valve unchanged (adjustment values + Δ V1 and- Δ V2 are set to zero), and then step S3038 is executed to output a control signal and returns to step S3031 after waiting for 60 seconds; executing step S3031, if the difference value is not between-100 ppm and +100ppm, executing step S3032, and judging whether the difference value is more than +100ppm or less than-100 ppm; if the opening degree of the fresh air valve is larger than +100ppm, executing a step S3033, and judging whether the opening degree of the fresh air valve is the maximum or not; if the valve opening degree is maximum, executing step S3034, maintaining the valve opening degree unchanged, executing step S3038, outputting a control signal, waiting for 60 seconds, and returning to step S3031; if the valve opening is not the maximum, step S3035 is executed, the valve opening is adjusted, the adjustment value is + Δ V1, then step S3038 is executed, a control signal containing the adjustment value + Δ V1 is output, 60 seconds is waited, and the process returns to step S3031; if the difference value is less than-100 ppm, executing step S3036, and judging whether the opening degree of the valve is minimum; if the minimum value is reached, step S3034 is executed to maintain the valve opening unchanged; if the valve opening is not the minimum, step S3037 is executed, the valve opening is adjusted, the adjustment value is- Δ V2, then step S3038 is executed, a control signal containing the adjustment value- Δ V2 is output, the process waits for 60 seconds, and the process returns to step S3031.
The calculation rules of the adjustment values Δ V1 and Δ V2 can be seen in table 3 and table 4, respectively. VmaxRepresents the theoretical maximum opening degree of the fresh air valve, namely 100 percent; vminRepresents the theoretical minimum opening of the fresh air valve, namely 0 percent; vrealRepresenting the actual opening of the fresh air valve; Δ VminThe minimum adjustable opening of the fresh air valve is shown.
The exemplary method is illustrative only and not limiting.
TABLE 3
TABLE 4
In one possible implementation, the method further includes: and under the condition that the human body state information is not obtained, taking a preset carbon dioxide target concentration value as the carbon dioxide target concentration value.
In one possible implementation, the method further includes: acquiring a time period and a corresponding preset carbon dioxide target concentration value; and determining a preset carbon dioxide target concentration value according to a time period corresponding to the current moment.
In one possible implementation, the method further includes: and acquiring the working type and/or the working duration, and determining a preset target concentration value of the carbon dioxide according to the working type and/or the working duration.
In a possible implementation manner, determining a preset target carbon dioxide concentration value according to the work type and/or the work duration includes: determining the initial value of the target concentration of the carbon dioxide according to the corresponding relation between the working type and the initial value of the target concentration of the carbon dioxide; and determining a preset carbon dioxide target concentration value according to the working time and the initial value of the carbon dioxide target concentration.
In one possible implementation, the human state information includes a state of a human central nervous system and a work efficiency performance of the collected person.
In a possible implementation manner, obtaining a target carbon dioxide concentration value according to the human body state information and the current carbon dioxide concentration value includes: determining an optimal expression area according to the relation between the state of the central nervous system of the human body and the work efficiency expression of the collected personnel; when the human body state information is in the optimal expression area, taking the current carbon dioxide concentration value as a target carbon dioxide concentration value; when the state of the human central nervous system in the human state information is higher than the state of the human central nervous system corresponding to the optimal expression area, reducing the current concentration value of the carbon dioxide to obtain a target concentration value of the carbon dioxide; and when the state of the human central nervous system in the human state information is lower than the state of the human central nervous system corresponding to the optimal expression area, increasing the current concentration value of the carbon dioxide to obtain a target concentration value of the carbon dioxide.
The exemplary description of the above method can be referred to the fresh air control system section, and is not repeated here.
Another aspect of the present disclosure provides a fresh air control device, including:
a processor; a memory for storing computer program instructions executable by the processor. Wherein the processor is configured, upon execution of the computer program instructions, to perform the above-described fresh air control method.
FIG. 5 is a block diagram illustrating an apparatus 1900 for the fresh air control system according to an exemplary embodiment. For example, the apparatus 1900 may be provided as a server or a terminal device, and may be used to implement the functions of the modules such as the central processing module. Referring to FIG. 5, the device 1900 includes a processing component 1922 further including one or more processors and memory resources, represented by memory 1932, for storing instructions, e.g., applications, executable by the processing component 1922. The application programs stored in memory 1932 may include one or more modules that each correspond to a set of instructions. Further, the processing component 1922 is configured to execute instructions to perform the methods described above.
The device 1900 may also include a power component 1926 configured to perform power management of the device 1900, a wired or wireless network interface 1950 configured to connect the device 1900 to a network, and an input/output (I/O) interface 1958. The device 1900 may operate based on an operating system stored in memory 1932, such as Windows Server, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM, or the like.
In another aspect of the present disclosure, referring to fig. 5, a non-transitory computer readable storage medium is provided, on which computer program instructions are stored, the computer program instructions, when executed by a processor, implement the above-mentioned fresh air control method. Such as a memory 1932 that includes computer program instructions that are executable by the processing component 1922 of the device 1900 to perform the above-described fresh air control method.
The present disclosure may be systems, methods, and/or computer program products. The computer program product may include a computer-readable storage medium having computer-readable program instructions embodied thereon for causing a processor to implement various aspects of the present disclosure.
The computer-readable storage medium may be a tangible device that can hold and store the instructions for use by the instruction execution device. The computer readable storage medium may be, for example, but is not limited to, an electronic memory device, a magnetic memory device, an optical memory device, an electromagnetic memory device, a semiconductor memory device, or any suitable combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), a Static Random Access Memory (SRAM), a portable compact disc read-only memory (CD-ROM), a Digital Versatile Disc (DVD), a memory stick, a floppy disk, a mechanical encoding device, such as punch cards or in-groove raised structures having instructions stored thereon, and any suitable combination of the foregoing. Computer-readable storage media as used herein is not to be interpreted as a transitory signal per se, such as a radio wave or other freely propagating electromagnetic wave, an electromagnetic wave propagating through a waveguide or other transmission medium (e.g., optical pulses through a fiber optic cable), or an electrical signal transmitted through an electrical wire.
The computer-readable program instructions described herein may be downloaded from a computer-readable storage medium to a respective computing/processing device, or to an external computer or external storage device via a network, such as the internet, a local area network, a wide area network, and/or a wireless network. The network may include copper transmission cables, fiber optic transmission, wireless transmission, routers, firewalls, switches, gateway computers and/or edge servers. The network adapter card or network interface in each computing/processing device receives the computer-readable program instructions from the network and forwards the computer-readable program instructions for storage in a computer-readable storage medium in the respective computing/processing device.
The computer program instructions for carrying out operations of the present disclosure may be assembler instructions, Instruction Set Architecture (ISA) instructions, machine-related instructions, microcode, firmware instructions, state setting data, or source or object code written in any combination of one or more programming languages, including an object oriented programming language such as Smalltalk, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The computer-readable program instructions may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the latter scenario, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider). In some embodiments, the electronic circuitry that can execute the computer-readable program instructions implements aspects of the present disclosure by utilizing the state information of the computer-readable program instructions to personalize the electronic circuitry, such as a programmable logic circuit, a Field Programmable Gate Array (FPGA), or a Programmable Logic Array (PLA).
Various aspects of the present disclosure are described herein with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the disclosure. It will be understood that each block of the flowchart illustrations and/or block diagrams, and combinations of blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer readable program instructions.
These computer-readable program instructions may be provided to a processor of a general purpose computer, special purpose computer, 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/acts specified in the flowchart and/or block diagram block or blocks. These computer readable program instructions may also be stored in a computer readable storage medium that can direct a computer, programmable data processing apparatus, and/or other devices to function in a particular manner, such that the computer readable medium storing the instructions comprises an article of manufacture including instructions which implement various aspects of the function/act specified in the flowchart and/or block diagram block or blocks.
The computer readable program instructions may also be loaded onto a computer, other programmable data processing apparatus, or other devices to cause a series of operational steps to be performed on the computer, other programmable apparatus or other devices to produce a computer implemented process such that the instructions which execute on the computer, other programmable apparatus or other devices implement the functions/acts specified in the flowchart and/or block diagram block or blocks.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of instructions, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
It should be noted that, although the fresh air control system, the method, the device and the non-volatile computer readable storage medium of the present disclosure are described by taking the above embodiments as examples, those skilled in the art will understand that the present disclosure is not limited thereto. The user can flexibly set each part according to personal preference and/or practical application scene as long as the technical scheme conforms to the gist of the disclosure.
Having described embodiments of the present disclosure, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (8)
1. A fresh air control system, the system comprising:
the carbon dioxide monitoring module is used for monitoring the current concentration value of carbon dioxide in the indoor gas environment and providing the current concentration value of carbon dioxide to the central processing module;
the system comprises a human body state monitoring module, a human body state monitoring module and a human body state monitoring module, wherein the human body state monitoring module is used for acquiring original information of an indoor human body, and the original information is used for determining human body state information;
the central processing module is used for obtaining a carbon dioxide target concentration value according to the human body state information and the carbon dioxide current concentration value under the condition of obtaining the human body state information, and outputting a control signal to fresh air equipment according to the carbon dioxide current concentration value and the carbon dioxide target concentration value;
the fresh air equipment is used for supplementing fresh air to the indoor environment according to the control signal;
the human body state information comprises the state of the central nervous system of the human body and the working efficiency expression of the collected personnel;
obtaining a target carbon dioxide concentration value according to the human body state information and the current carbon dioxide concentration value, wherein the method comprises the following steps:
determining an optimal expression area according to the relation between the state of the central nervous system of the human body and the work efficiency expression of the collected personnel;
when the human body state information is in the optimal expression area, taking the current carbon dioxide concentration value as a target carbon dioxide concentration value;
when the state of the human central nervous system in the human state information is higher than the state of the human central nervous system corresponding to the optimal expression area, reducing the current concentration value of the carbon dioxide to obtain a target concentration value of the carbon dioxide;
and when the state of the human central nervous system in the human state information is lower than the state of the human central nervous system corresponding to the optimal expression area, increasing the current concentration value of the carbon dioxide to obtain a target concentration value of the carbon dioxide.
2. The fresh air control system according to claim 1, wherein the central processing module is further configured to, in a case where the human body state information is not obtained, take a preset carbon dioxide target concentration value as the carbon dioxide target concentration value.
3. The fresh air control system of claim 1 further comprising: a parameter setting module for setting the parameters of the system,
the parameter setting module is used for setting a preset carbon dioxide target concentration value corresponding to at least one time period and providing the time period and the corresponding preset carbon dioxide target concentration value to the central processing module;
the central processing module is used for determining the preset target concentration value of the carbon dioxide according to the time interval corresponding to the current moment.
4. The fresh air control system of claim 3 further comprising: a parameter setting module for setting the parameters of the system,
the parameter setting module is used for setting the working type and/or the working duration,
and the central processing module is used for determining a preset carbon dioxide target concentration value according to the working type and/or the working duration.
5. The fresh air control system of claim 4 wherein the central processing module is configured to:
determining the initial value of the target concentration of the carbon dioxide according to the corresponding relation between the working type and the initial value of the target concentration of the carbon dioxide;
and determining a preset carbon dioxide target concentration value according to the working time and the initial value of the carbon dioxide target concentration.
6. A fresh air control method is characterized by comprising the following steps:
acquiring a monitored current concentration value of carbon dioxide in the indoor gas environment;
obtaining human body state information, and obtaining a carbon dioxide target concentration value according to the human body state information and the carbon dioxide current concentration value, wherein the human body state information is determined according to the collected indoor human body original information;
outputting a control signal to fresh air equipment according to the current concentration value of the carbon dioxide and the target concentration value of the carbon dioxide, wherein the control signal is used for controlling the fresh air equipment to supplement fresh air to the indoor environment;
the human body state information comprises the state of the central nervous system of the human body and the working efficiency performance of the collected personnel;
obtaining a target carbon dioxide concentration value according to the human body state information and the current carbon dioxide concentration value, wherein the steps of:
determining an optimal expression area according to the relation between the state of the central nervous system of the human body and the work efficiency expression of the collected personnel;
when the human body state information is in the optimal expression area, taking the current carbon dioxide concentration value as a target carbon dioxide concentration value;
when the state of the human central nervous system in the human state information is higher than the state of the human central nervous system corresponding to the optimal expression area, reducing the current concentration value of the carbon dioxide to obtain a target concentration value of the carbon dioxide;
and when the state of the human central nervous system in the human state information is lower than the state of the human central nervous system corresponding to the optimal expression area, increasing the current concentration value of the carbon dioxide to obtain a target concentration value of the carbon dioxide.
7. A fresh air control device, comprising:
a processor;
a memory for storing computer program instructions executable by the processor;
wherein the processor is configured, upon execution of the computer program instructions, to perform the fresh air control method of claim 6.
8. A non-transitory computer-readable storage medium having computer program instructions stored thereon, wherein the computer program instructions, when executed by a processor, implement the fresh air control method of claim 6.
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