CN107631420B - IBeacon technology-based energy-saving method and device for hospital air conditioner tail end variable air volume system - Google Patents
IBeacon technology-based energy-saving method and device for hospital air conditioner tail end variable air volume system Download PDFInfo
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Abstract
The invention relates to an iBeacon technology-based energy-saving method and device for a variable air volume system at the tail end of a hospital air conditioner, wherein the method comprises the following steps: obtaining the preset time period T of the ith daymAverage number of people in inner monitoring area NiAnd the air output Q of the variable air volume systemi(ii) a Obtaining the preset time period T of the (i + 1) th day in the monitoring area based on the iBeacon technologymTotal number of persons N at initial time ofi+1(ii) a According to said Ni+1、NiAnd QiDetermining the preset time period T of the i +1 th daymAnd the actual air output of the variable air volume system. The invention utilizes the iBeacon technology to monitor the change condition of personnel in the monitoring area, and simultaneously predicts and corrects the actual air output of the variable air volume system based on the data, thereby achieving the self-adaptive air volume adjustment of the variable air volume system, effectively saving energy consumption and improving the indoor comfort.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an iBeacon technology-based energy-saving method and device for a variable air volume system at the tail end of a hospital air conditioner.
Background
The high-efficiency and energy-saving operation of the central air-conditioning system is an important standard for judging whether a building is green or not and is also an important influence factor for judging whether the artificial environment in the building is comfortable or not. Along with the rapid development of building intellectualization, not only office buildings and commercial houses, but also more and more hospitals hope to facilitate the operation of medical personnel through intelligent modification, reduce the cost of manpower and material resources and reduce the overall energy consumption of hospitals.
The Variable Air Volume System (VAV System) keeps constant Air supply temperature according to indoor conforming change or indoor required parameter change, and automatically adjusts the Air supply Volume of the Air conditioning System, thereby meeting the cold requirement of the internal environment of the building. The control strategy of the traditional VAV variable air volume system mostly takes the indoor temperature as a control point to regulate the equipment. However, this method has the disadvantage that the temperature change in the chamber is a slow process, and usually takes from half an hour to reflect the cooling load in the chamber to the temperature change. The whole central air-conditioning system cools the indoor space according to the temperature change instruction, and a period of time is needed. During this adjustment, the comfort of the persons in the room is greatly reduced.
Disclosure of Invention
The technical problem to be solved by the invention is to provide an energy-saving method and device for a hospital air conditioner tail end variable air volume system based on the iBeacon technology, aiming at the defects in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: an energy-saving method for a hospital air conditioner terminal variable air volume system based on the iBeacon technology is constructed, and is characterized by comprising the following steps:
a: obtaining the preset time period T of the ith daymAverage number of people in inner monitoring area NiAnd the air output Q of the variable air volume systemi；
B: obtaining the preset time period T of the (i + 1) th day in the monitoring area based on the iBeacon technologymTotal number of persons N at initial time ofi+1；
C: according to said Ni+1、NiAnd QiDetermining the preset time period T of the i +1 th daymAnd the actual air output of the variable air volume system.
Preferably, the step a further comprises:
a11: obtaining the preset time period T of the ith day based on the iBeacon technologymThe number of persons in the inner monitoring area;
a12: according to the ith day preset time period TmThe number of people in the internal monitoring area is calculated, and the preset time period T of the ith day is calculatedmAverage number of people in inner monitoring area Ni。
Preferably, the step a further comprises:
receiving the air output Q of the variable air volume systemi。
Preferably, the step C further comprises:
c11: extracting the preset time period T of the ith daymAir output Q of the variable air volume systemi；
C12: presetting the time period T of the ith daymAir output Q of variable air volume systemiAs the preset time interval T of the i +1 th daymThe set value of the air output of the variable air volume system at the initial moment.
Preferably, the step C further comprises:
c21: extracting the preset time period T of the ith daymAverage number of people in inner monitoring area Ni；
C22: presetting a time period T according to the (i + 1) th daymTotal number of persons N at initial time ofi+1In combination with said average number of persons NiAnd a preset time period T of the ith daymAir output Q of the variable air volume systemiCalculating the required air volume of the monitoring area;
c23: comparing the required air volume of the monitoring area with a threshold value of the variable air volume system to obtain the actual air volume of the variable air volume system;
c24: and C12, according to the actual air output of the variable air volume system, correcting the set value of the variable air volume system.
Preferably, the step C23 further includes:
c231: acquiring a minimum air quantity value and a maximum air quantity value of the air output quantity of the variable air quantity system;
c232: and comparing and judging the required air volume of the monitoring area with the minimum air volume value and the maximum air volume value of the air output of the variable air volume system, and obtaining the actual air output of the variable air volume system according to a judgment result.
The invention also provides an iBeacon technology-based hospital air conditioner tail end variable air volume system energy-saving device, which comprises:
an acquisition unit for acquiring the preset time period T of the ith daymAverage number of people in inner monitoring area NiAnd the air output Q of the variable air volume systemi；
An acquisition unit for acquiring the i +1 th day preset time period T in the monitoring area based on the iBeacon technologymTotal number of persons N at initial time ofi+1；
A determination unit for determining Ni+1、NiAnd QiDetermining the preset time period T of the i +1 th daymAnd the actual air output of the variable air volume system.
Preferably, the acquiring unit includes:
an acquisition module for acquiring the ith preset time period T based on the iBeacon technologymThe number of persons in the inner monitoring area;
a first calculation module for presetting a time period T according to the ith daymThe number of people in the internal monitoring area is calculated, and the preset time period T of the ith day is calculatedmAverage number of people in inner monitoring area Ni。
Preferably, the acquiring unit further includes:
a receiving module for receiving the air output Q of the variable air volume systemi。
Preferably, the determination unit includes:
a first extraction module for extracting the preset time period T of the ith daymAir output Q of the variable air volume systemi；
A prediction module for presetting the time period T of the ith daymAir output Q of variable air volume systemiAs the preset time interval T of the i +1 th daymThe set value of the air output of the variable air volume system at the initial moment;
a second extraction module for extracting the preset time period of the ith dayTmAverage number of people in inner monitoring area Ni；
A second calculation module for presetting a time period T according to the (i + 1) th daymTotal number of persons N at initial time ofi+1Calculating the required air volume of the monitoring area;
the comparison module is used for comparing the required air volume of the monitoring area with the threshold value of the variable air volume system to obtain the actual air volume of the variable air volume system;
and the correcting module is used for correcting the set value of the variable air volume system obtained in the predicting module according to the actual air volume of the variable air volume system.
The implementation of the energy-saving method of the hospital air conditioner tail end variable air volume system based on the iBeacon technology has the following beneficial effects: the invention utilizes the iBeacon technology to monitor the change condition of personnel in the monitoring area, and simultaneously predicts and corrects the actual air output of the variable air volume system based on the data, thereby achieving the self-adaptive air volume adjustment of the variable air volume system, effectively saving energy consumption and improving the indoor comfort.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic flow chart of a first embodiment of an energy-saving method for a variable air volume system at the end of a hospital air conditioner based on the iBeacon technology;
fig. 2 is a schematic structural diagram of a second embodiment of the energy-saving device of the variable air volume system at the end of the hospital air conditioner based on the iBeacon technology.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The tail end of the central air conditioner of the hospital mostly adopts a variable air volume system to cool the indoor space, however, the variable air volume change of the system mostly takes the indoor temperature change as a control point, so that the variable air volume system runs under high load for a long time in summer with higher load, and the corresponding adjustment can not be carried out according to the change condition of indoor personnel, thereby causing unnecessary energy waste. The invention utilizes the iBeacon indoor positioning technology to monitor the change condition of indoor personnel, and predicts and corrects the operation of the variable air volume system based on the data, thereby achieving the purpose of energy-saving control and effectively improving the indoor comfort.
The technical scheme of the invention can be seen in fig. 1 specifically, and fig. 1 is a schematic flow chart of a first embodiment of an energy-saving method of a hospital air conditioner terminal variable air volume system based on the iBeacon technology. The energy-saving method of the hospital air conditioner terminal variable air volume system based on the iBeacon technology is realized on the basis that the personnel enter and exit the system and wear the mobile terminal, the mobile terminal worn by each personnel is provided with the iBeacon module, when the personnel enter a monitoring area (namely an adjusting area of the variable air volume system), the background server can receive a signal sent by the iBeacon module, and the change condition of the personnel can be determined according to the signal. The terminal includes, but is not limited to, a mobile phone, a tablet computer, a smart watch, a smart bracelet, and the like. The operating system of the terminal may include, but is not limited to, an Android operating system, an IOS operating system, and the like.
As shown in fig. 1, the energy saving method for the hospital air conditioner terminal variable air volume system based on the iBeacon technology in the embodiment includes the following steps:
a: obtaining the preset time period T of the ith daymAverage number of people in inner monitoring area NiAnd the air output Q of the variable air volume systemi。
Preferably, step a further comprises:
a11: obtaining the preset time period T of the ith day based on the iBeacon technologymThe number of persons in the inner monitoring area;
a12: according to the ith day preset time period TmThe number of people in the internal monitoring area is calculated, and the preset time period T of the ith day is calculatedmAverage number of people in inner monitoring area Ni。
Specifically, based on the iBeacon technology, the change of the person in the monitored area can be monitored in real time, for example, in a preset time period TmIf a person enters the monitoring area, the server can receive a corresponding signal, determines that the person enters the monitoring area according to the signal, and counts the number in the preset time period T according to the modemThe number of people in the house.
Further, according to the monitored number of people in the monitored area and the number of people in the preset time period TmAnd (4) counting the time length of the internal occurrence. And presetting a time period T on the ith daymThe number of people in the inner monitoring area and the time length of the number of people are recorded as the length for statistics. For example, in the time period from 10 o 'clock to 11 o' clock on day 1, if 9 persons are monitored in the monitored area between 10 o 'clock and 39 o' clock, the number is marked as N10 1(10: 00, 10: 39) ═ 9. By analogy, the preset time period T is calculatedmAverage number of people in inner monitoring area Ni. For example, on day 1, 9 persons from 10 o ' clock to 11 o ' clock and from 10 o ' clock to 10 o ' clock and 39 o ' clock are marked as N10 1(10: 00, 10: 39) 9, 6 persons between 10 o 'clock 40 and 10 o' clock 59, then N10 1(10: 40, 10: 59) ═ 6; thus, the average number of people in the monitoring area between 10 and 11 points is N10 1The average number of persons in the monitored area between 10 and 11 was 8, i.e., 8 persons at 9 (2/3) +6 (1/3).
Preferably, step a further comprises: receiving the air output Q of the variable air volume systemi. Specifically, the server is in communication connection with the variable air volume system, can monitor the running state of the variable air volume system and can receive the real-time air volume of the variable air volume system. And the running state information (including air volume) of the variable air volume system is stored in a database.
B: obtaining the preset time period T of the (i + 1) th day in the monitoring area based on the iBeacon technologymTotal number of persons N at initial time ofi+1。
The step presets a time period T for the i +1 th daymTotal number of persons N at initial time ofi+1The acquisition mode is the same as that of the step A, namely the monitoring is obtained by using the iBeacon technology on the i +1 th dayWithin the measurement area for a predetermined time period TmTotal number of persons N at initial time ofi+1。
C: according to said Ni+1、NiAnd QiDetermining the preset time period T of the i +1 th daymAnd the actual air output of the variable air volume system.
Preferably, step C comprises:
c11: extracting the preset time period T of the ith daymAir output Q of the variable air volume systemi。
Understandably, the ith day is preset for a period of time TmAir output Q of the variable air volume systemiThe air volume is directly sent to the server by the variable air volume system and is stored in the database by the server. When the preset time period T of the ith day needs to be acquiredmAir output Q of the variable air volume systemiThe server then extracts the data directly from the database.
C12: presetting the time period T of the ith daymAir output Q of variable air volume systemiAs the preset time interval T of the i +1 th daymThe set value of the air output of the variable air volume system at the initial moment.
A preset time period T on the i +1 th daymThe manager will usually set the air output of the variable air volume system at the initial time of day i +1, i.e. the air output Q of the variable air volume system of the previous day, according to the air output of the variable air volume system of the previous day (i.e. day i)iAir output Q as the same day's variable air volume systemi+1. It can be understood that, because the person who enters the monitoring area on the same day is not fixed, the air output of the variable air volume system set at the initial time is a predicted value.
Further, step C further comprises:
c21: extracting the preset time period T of the ith daymAverage number of people in inner monitoring area Ni。
C22: presetting a time period T according to the (i + 1) th daymTotal number of persons N at initial time ofi+1In combination with said average number of persons NiAnd a preset time period T of the ith daymAir output Q of the variable air volume systemiMonitor for calculationAnd measuring the required air volume of the area.
The required air volume of the monitoring area can be calculated according to the following formula:
Qrequired air quantity＝QPrediction of air volume*(Ni+1/Ni)
QPrediction of air volumePresetting time period T for ith day extracted from databasemAir output Q of the variable air volume systemi。
C23: and comparing the required air volume of the monitoring area with the threshold value of the variable air volume system to obtain the actual air volume of the variable air volume system.
Wherein step C23 further includes:
c231: acquiring a minimum air quantity value and a maximum air quantity value of the air output quantity of the variable air quantity system;
c232: and comparing and judging the required air volume of the monitoring area with the minimum air volume value and the maximum air volume value of the air output of the variable air volume system, and obtaining the actual air output of the variable air volume system according to a judgment result.
Specifically, the variable air volume system presets the time period T on the i +1 th day when the variable air volume is calculated in step C22mAfter the required air volume of the region is monitored, firstly comparing and judging the required air volume with the minimum air volume value and the maximum air volume value of the variable air volume system, and if the actually calculated required air volume is larger than the maximum air volume, the actual air volume of the variable air volume system is the maximum air volume; if the actually calculated required air volume is smaller than the minimum air volume, the actual mail air volume of the variable air volume system is the minimum air volume at the moment; and if the actually calculated required air volume is larger than the minimum air volume and smaller than the maximum air volume, the calculated required air volume is the actual air volume of the variable air volume system.
C24: and C12, according to the actual air output of the variable air volume system, correcting the set value of the variable air volume system. According to the obtained i +1 th day preset time period TmThe actual air output of the variable air volume system is corrected to the set variable air volume value predicted in the step C12, so that the variable air volume system can really realize distribution according to needs.
It can be understood that, the correction of the air output of the variable air volume system in the above embodiment is a continuous cycle process, that is, at the next set time point, the actual air output of the variable air volume system is dynamically obtained according to the above method, so as to achieve the purposes of adaptive adjustment, energy saving and comfortable operation of the variable air volume system.
The invention relates to an iBeacon technology-based energy-saving method for a hospital air conditioner tail end variable air volume system, which monitors the personnel change condition in a monitoring area in real time by utilizing the iBeacon technology and controls the air outlet air volume of the variable air volume system based on the monitoring result. The control strategy of the traditional VAV variable air volume system mostly takes the indoor temperature as a control point to regulate the equipment. The method has the advantages of high inertia, slow adjustment and influence on indoor comfort. The invention predicts the air quantity of the air outlet of the variable air quantity system by using historical data based on the iBeacon technology, and corrects the prediction result based on the real-time monitored pedestrian flow, thereby achieving the purposes of self-learning, self-adaption, energy conservation and comfortable operation of the variable air quantity system.
The invention also discloses an iBeacon technology-based hospital air conditioner tail end variable air volume system energy-saving device, which comprises:
an acquisition unit for acquiring the preset time period T of the ith daymAverage number of people in inner monitoring area NiAnd the air output Q of the variable air volume systemi。
Preferably, the acquiring unit includes:
an acquisition module for acquiring the ith preset time period T based on the iBeacon technologymThe number of persons in the inner monitoring area;
a first calculation module for presetting a time period T according to the ith daymThe number of people in the internal monitoring area is calculated, and the preset time period T of the ith day is calculatedmAverage number of people in inner monitoring area Ni。
Specifically, based on the iBeacon technology, the change of the person in the monitored area can be monitored in real time, for example, in a preset time period TmIf a person enters the monitoring area, the server can receive a corresponding signal, determines that the person enters the monitoring area according to the signal, and counts in advance according to the modeSet time period TmThe number of people in the house.
Further, according to the monitored number of people in the monitored area and the number of people in the preset time period TmAnd (4) counting the time length of the internal occurrence. And presetting a time period T on the ith daymThe number of people in the inner monitoring area and the time length of the number of people are recorded as the length for statistics. For example, in the time period from 10 o 'clock to 11 o' clock on day 1, if 9 persons are monitored in the monitored area between 10 o 'clock and 39 o' clock, the number is marked as N10 1(10: 00, 10: 39) ═ 9. By analogy, the preset time period T is calculatedmAverage number of people in inner monitoring area Ni. For example, on day 1, 9 persons from 10 o ' clock to 11 o ' clock and from 10 o ' clock to 10 o ' clock and 39 o ' clock are marked as N10 1(10: 00, 10: 39) 9, 6 persons between 10 o 'clock 40 and 10 o' clock 59, then N10 1(10: 40, 10: 59) ═ 6; thus, the average number of people in the monitoring area between 10 and 11 points is N10 1The average number of persons in the monitored area between 10 and 11 was 8, i.e., 8 persons at 9 (2/3) +6 (1/3).
Further, the acquiring unit further includes:
a receiving module for receiving the air output Q of the variable air volume systemi. Specifically, the server is in communication connection with the variable air volume system, can monitor the running state of the variable air volume system and can receive the real-time air volume of the variable air volume system. And the running state information (including air volume) of the variable air volume system is stored in a database.
An acquisition unit for acquiring the i +1 th day preset time period T in the monitoring area based on the iBeacon technologymTotal number of persons N at initial time ofi+1。
Understandably, the acquisition unit presets a time period T for the (i + 1) th daymTotal number of persons N at initial time ofi+1The acquisition mode of the monitoring system is the same as that of the acquisition module, namely on the (i + 1) th day, the iBeacon technology is utilized to acquire the preset time period T in the monitoring areamTotal number of persons N at initial time ofi+1。
A determination unit for determining Ni+1、NiAnd QiDetermining the preset time period T of the i +1 th daymAnd the actual air output of the variable air volume system.
Preferably, the determination unit includes:
a first extraction module for extracting the preset time period T of the ith daymAir output Q of the variable air volume systemi。
Understandably, the ith day is preset for a period of time TmAir output Q of the variable air volume systemiThe air volume is directly sent to the server by the variable air volume system and is stored in the database by the server. When the preset time period T of the ith day needs to be acquiredmAir output Q of the variable air volume systemiThe server then extracts the data directly from the database.
A prediction module for presetting the time period T of the ith daymAir output Q of variable air volume systemiAs the preset time interval T of the i +1 th daymThe set value of the air output of the variable air volume system at the initial moment.
A preset time period T on the i +1 th daymThe manager will usually set the air output of the variable air volume system at the initial time of day i +1, i.e. the air output Q of the variable air volume system of the previous day, according to the air output of the variable air volume system of the previous day (i.e. day i)iAir output Q as the same day's variable air volume systemi+1. It can be understood that, because the person who enters the monitoring area on the same day is not fixed, the air output of the variable air volume system set at the initial time is a predicted value.
A second extraction module for extracting the preset time period T of the ith daymAverage number of people in inner monitoring area Ni。
A second calculation module for presetting a time period T according to the (i + 1) th daymTotal number of persons N at initial time ofi+1And calculating the required air volume of the monitoring area.
The required air volume of the monitoring area can be calculated according to the following formula:
Qrequired air quantity＝QPrediction of air volume*(Ni+1/Ni)
QPrediction of air volumePresetting time period T for ith day extracted from databasemAir output Q of the variable air volume systemi。
And the comparison module is used for comparing the required air volume of the monitoring area with the threshold value of the variable air volume system to obtain the actual air volume of the variable air volume system.
And further, the comparison module is also used for acquiring the minimum air volume value and the maximum air volume value of the air output of the variable air volume system, comparing and judging the required air volume of the monitoring area with the minimum air volume value and the maximum air volume value of the air output of the variable air volume system, and acquiring the actual air output of the variable air volume system according to the judgment result. Specifically, when the second calculation module calculates the variable air volume system in the preset time period T of the (i + 1) th daymAfter the required air volume of the region is monitored, firstly comparing and judging the required air volume with the minimum air volume value and the maximum air volume value of the variable air volume system, and if the actually calculated required air volume is larger than the maximum air volume, the actual air volume of the variable air volume system is the maximum air volume; if the actually calculated required air volume is smaller than the minimum air volume, the actual mail air volume of the variable air volume system is the minimum air volume at the moment; and if the actually calculated required air volume is larger than the minimum air volume and smaller than the maximum air volume, the calculated required air volume is the actual air volume of the variable air volume system.
And the correcting module is used for correcting the set value of the variable air volume system obtained in the predicting module according to the actual air volume of the variable air volume system.
It can be understood that, the correction of the air output of the variable air volume system in the above embodiment is a continuous cycle process, that is, at the next set time point, the actual air output of the variable air volume system is dynamically obtained according to the above method, so as to achieve the purposes of adaptive adjustment, energy saving and comfortable operation of the variable air volume system.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and are intended to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention. All equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (5)
1. The energy-saving method for the hospital air conditioner tail end variable air volume system based on the iBeacon technology is characterized by comprising the following steps of:
a: obtaining the preset time period T of the ith daymAverage number of people in inner monitoring area NiAnd the air output Q of the variable air volume systemi；
The step A further comprises the following steps:
a11: acquiring the number of people in a monitoring area within a preset time period Tm on the ith day based on an iBeacon technology;
a12: calculating the average number Ni of the monitoring areas within the preset time period Tm on the ith day according to the number of the monitoring areas within the preset time period Tm on the ith day;
the step a12 further includes:
counting according to the number of people in the monitoring area within the preset time period Tm on the ith day and the time length of the number of people appearing within the preset time period Tm;
b: obtaining the preset time period T of the (i + 1) th day in the monitoring area based on the iBeacon technologymTotal number of persons N at initial time ofi+1；
C: according to said Ni+1、NiAnd QiDetermining the preset time period T of the i +1 th daymThe actual air output of the variable air volume system;
the step C further comprises the following steps:
c11: extracting the preset time period T of the ith daymAir output Q of the variable air volume systemi；
C12: presetting the time period T of the ith daymAir output Q of variable air volume systemiAs the preset time interval T of the i +1 th daymThe set value of the air output of the variable air volume system at the initial moment；
The step C further comprises the following steps:
c21: extracting the preset time period T of the ith daymAverage number of people in inner monitoring area Ni；
C22: presetting a time period T according to the (i + 1) th daymTotal number of persons N at initial time ofi+1In combination with said average number of persons NiAnd a preset time period T of the ith daymAir output Q of the variable air volume systemiCalculating the required air volume of the monitoring area;
c23: comparing the required air volume of the monitoring area with a threshold value of the variable air volume system to obtain the actual air volume of the variable air volume system;
c24: and C12, according to the actual air output of the variable air volume system, correcting the set value of the variable air volume system.
2. The energy-saving method for the hospital air-conditioning terminal variable air volume system based on the iBeacon technology according to claim 1, wherein the step A further comprises the following steps:
receiving the air output Q of the variable air volume systemi。
3. The energy-saving method for the variable air volume system at the end of the air conditioner in the hospital based on the iBeacon technology as claimed in claim 1, wherein the step C23 further comprises:
c231: acquiring a minimum air quantity value and a maximum air quantity value of the air output quantity of the variable air quantity system;
c232: and comparing and judging the required air volume of the monitoring area with the minimum air volume value and the maximum air volume value of the air output of the variable air volume system, and obtaining the actual air output of the variable air volume system according to a judgment result.
4. The utility model provides a terminal variable air volume system economizer of hospital air conditioner based on iBeacon technique which characterized in that includes:
an acquisition unit for acquiring the preset time period T of the ith daymAverage number of people in inner monitoring area NiAnd becomeAir output Q of air quantity systemi；
The acquisition unit includes:
the acquisition module is used for acquiring the number of people in a monitoring area within a preset time period Tm on the ith day based on the iBeacon technology;
the first calculation module is used for calculating the average number Ni of the monitoring areas within the preset time period Tm on the ith day according to the number of the monitoring areas within the preset time period Tm on the ith day;
an acquisition unit for acquiring the i +1 th day preset time period T in the monitoring area based on the iBeacon technologymTotal number of persons N at initial time ofi+1；
A determination unit for determining Ni+1、NiAnd QiDetermining the preset time period T of the i +1 th daymThe actual air output of the variable air volume system;
the determination unit includes:
a first extraction module for extracting the preset time period T of the ith daymAir output Q of the variable air volume systemi；
A prediction module for presetting the time period T of the ith daymAir output Q of variable air volume systemiAs the preset time interval T of the i +1 th daymThe set value of the air output of the variable air volume system at the initial moment;
a second extraction module for extracting the preset time period T of the ith daymAverage number of people in inner monitoring area Ni；
A second calculation module for presetting a time period T according to the (i + 1) th daymTotal number of persons N at initial time ofi+1Calculating the required air volume of the monitoring area;
the comparison module is used for comparing the required air volume of the monitoring area with the threshold value of the variable air volume system to obtain the actual air volume of the variable air volume system;
and the correcting module is used for correcting the set value of the variable air volume system obtained in the predicting module according to the actual air volume of the variable air volume system.
5. The IBeacon technology-based hospital air conditioner terminal variable air volume system energy-saving device in accordance with claim 4, wherein the acquiring unit further comprises:
a receiving module for receiving the air output Q of the variable air volume systemi。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711021174.6A CN107631420B (en) | 2017-10-27 | 2017-10-27 | IBeacon technology-based energy-saving method and device for hospital air conditioner tail end variable air volume system |
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