CN114017908B - Air conditioner tail end air outlet cold quantity control method and system - Google Patents
Air conditioner tail end air outlet cold quantity control method and system Download PDFInfo
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- CN114017908B CN114017908B CN202111220860.2A CN202111220860A CN114017908B CN 114017908 B CN114017908 B CN 114017908B CN 202111220860 A CN202111220860 A CN 202111220860A CN 114017908 B CN114017908 B CN 114017908B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
- F24F11/58—Remote control using Internet communication
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The invention relates to a method and a system for controlling cooling capacity of an air outlet at the tail end of an air conditioner, which comprises the steps of judging whether a user demand signal is received or not; if so, determining a demand operation mode of the air conditioner according to the user demand signal; if the required operation mode of the air conditioner is the automatic mode, controlling the air conditioner to enter the automatic mode; after the air conditioner is in an automatic mode, acquiring operation parameters and environment parameters of the air conditioner within a preset time period; obtaining the cold quantity of a single air outlet at the tail end of the air conditioner according to the total cold quantity of each floor, the total power consumption of the air outlet of each floor and the power consumption of the single air outlet; and (4) according to the total cooling capacity of the air outlets on each floor, the cooling capacity of a single air outlet at the tail end of the air conditioner, the real-time total number of people in a preset time period of each floor and the number of people in an air return inlet area, the cooling capacity of each air outlet on each floor is adjusted in a balanced manner. According to the invention, the cold quantity of each air outlet is accurately calculated by monitoring the air conditioner operation data and the cold quantity of each layer, so that the reliability and the accuracy of the subsequent property operation and maintenance are effectively improved.
Description
Technical Field
The invention relates to the technical field of central air-conditioning cold quantity processing, in particular to a method and a system for controlling cold quantity of an air outlet at the tail end of an air conditioner.
Background
At present, the granularity of the cold quantity monitoring of the central air conditioner is generally in the whole layer, and each air outlet is not monitored. This need is always present as a requirement for subsequent property operations and maintenance. However, since each air outlet is provided with a cooling meter, the cost performance is very low, the cost is unacceptable for all parties, and in addition, the temperature controller parameter record under the automatic mode of each air outlet and the relatively accurate temperature measurement are not available at present. The existing scheme is as follows: and estimating the cold quantity of each air outlet of the central air conditioner by utilizing the working time of each air outlet. The accuracy of the estimation is poor, the cold quantity of each air outlet of the central air conditioner cannot be accurately determined, and the reliability and the accuracy of the subsequent property operation and maintenance are influenced.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a method and a system for controlling cooling capacity at an air outlet at a tail end of an air conditioner, aiming at the above-mentioned defects in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: a method for controlling the cooling capacity of an air outlet at the tail end of an air conditioner is constructed, and comprises the following steps:
judging whether a user demand signal is received or not;
if so, determining a demand operation mode of the air conditioner according to the user demand signal;
if the required operation mode of the air conditioner is an automatic mode, controlling the air conditioner to enter the automatic mode;
after the air conditioner enters the automatic mode, acquiring operation parameters and environment parameters of the air conditioner within a preset time period; the operating parameters in the preset time period include: the method comprises the following steps that in a preset time period, the temperature of a single air outlet at the tail end of an air conditioner, the temperature of a single air return inlet, the total cooling capacity of each floor, the total power consumption of the air outlet of each floor and the power consumption of the single air outlet at the tail end of the air conditioner are measured; the environmental parameters in the preset time period comprise: the real-time total number of people and the number of people in the air return port area in the preset time period of each floor;
obtaining the cold quantity of a single air outlet at the tail end of the air conditioner according to the total cold quantity of each floor, the total power consumption of the air outlet of each floor and the power consumption of the single air outlet at the tail end of the air conditioner;
and according to the total cooling capacity of the air outlets of each floor, the cooling capacity of a single air outlet at the tail end of the air conditioner, the real-time total number of people in the preset time period of each floor and the number of people in the area of the return air inlet, the cooling capacity of each air outlet of each floor is adjusted in a balanced manner.
In the method for controlling cooling capacity of an air outlet at the tail end of an air conditioner, the obtaining cooling capacity of a single air outlet at the tail end of the air conditioner according to the total cooling capacity of each floor, the total power consumption of the air outlet of each floor and the power consumption of the single air outlet at the tail end of the air conditioner includes:
dividing the total cooling capacity of each floor with the total power consumption of each floor air outlet to obtain a quotient of the total cooling capacity of each floor and the total power consumption of each floor air outlet;
multiplying the quotient value by the power consumption of the single air outlet at the tail end of the air conditioner to obtain the product of the quotient value and the power consumption of the single air outlet at the tail end of the air conditioner;
the product is the cold quantity of a single air outlet at the tail end of the air conditioner.
In the method for controlling cooling capacity of the air outlet at the tail end of the air conditioner, the step of adjusting the cooling capacity of each air outlet of each floor in a balanced manner according to the total cooling capacity of each air outlet of each floor, the cooling capacity of a single air outlet at the tail end of the air conditioner, the real-time total number of people of each floor in the preset time period and the number of people in the air return area comprises the following steps:
acquiring a floor average cold quantity value according to the total cold quantity of each floor air outlet and the real-time total number of people;
obtaining the average cooling capacity value of the regional people according to the cooling capacity of the single air outlet at the tail end of the air conditioner and the number of people in the region of the air return inlet;
and according to the floor per-capita average cooling capacity value and the regional per-capita average cooling capacity value, the cooling capacity of each air outlet of each floor is adjusted in a balanced manner.
In the method for controlling the cooling capacity of the air outlet at the tail end of the air conditioner, the step of adjusting the cooling capacity of each air outlet of each floor in a balanced manner according to the floor per-capita cooling capacity value and the regional per-capita cooling capacity value comprises the following steps:
the floor per-capita cold quantity value is differed from the area per-capita mean value to obtain a per-capita cold quantity difference value;
and according to the difference value of the per-person cold quantities, the cold quantities of the air outlets of all the floors are adjusted in a balanced manner.
In the method for controlling the cooling capacity of the air outlet at the tail end of the air conditioner, the step of adjusting the cooling capacity of each air outlet of each floor in a balanced manner according to the difference value of the cooling capacity per capita comprises the following steps:
judging whether the difference value of the average human refrigeration capacity is smaller than a first preset value or not;
if so, acquiring a region of the return air inlet temperature different from a first temperature threshold value in the same period;
outputting an inspection instruction based on the area of the return air inlet temperature different from a first temperature threshold value in the same time period;
and outputting a checking indication signal according to the checking instruction.
In the method for controlling the cooling capacity of the air outlet at the tail end of the air conditioner, the step of adjusting the cooling capacity of each air outlet of each floor in a balanced manner according to the difference value of the cooling capacity per capita comprises the following steps:
judging whether the difference value of the average human refrigeration capacity is greater than a second preset value or not;
if so, obtaining the average return air inlet temperature according to the temperatures of all the single return air inlets of each floor;
acquiring a region in which the difference value between the temperature of a single air return inlet and the average air return inlet is greater than a first temperature threshold value; the area, in which the difference value between the single return air inlet temperature and the average return air inlet temperature is greater than a first temperature threshold value, is a high-temperature area;
acquiring the temperature of a return air inlet of the high-temperature area;
judging whether the temperature of the return air inlet of the high-temperature area is greater than a first upper limit temperature value or not;
if yes, outputting a command of adjusting the fan to keep the high wind mode;
if not, judging whether the temperature of the return air inlet of the high-temperature area is greater than the lower limit temperature value and less than the first upper limit temperature value or not;
and if the return air inlet temperature of the high-temperature area is greater than the lower limit temperature value and less than the upper limit temperature value, outputting an instruction for adjusting the fan to keep the stroke mode.
In the method for controlling the cooling capacity of the air outlet at the tail end of the air conditioner, the step of adjusting the cooling capacity of each air outlet of each floor in a balanced manner according to the difference value of the cooling capacity per capita comprises the following steps:
judging whether the difference value of the average human refrigeration capacity is greater than a second preset value or not;
if so, obtaining the average return air inlet temperature according to the temperatures of all the single return air inlets of each floor;
acquiring a region in which the difference value between the temperature of a single air return inlet and the average air return inlet is smaller than a first temperature threshold value; the area, in which the difference value between the temperature of the single air return inlet and the average air return inlet is smaller than a first temperature threshold value, is a low-temperature area;
acquiring the temperature of an air return inlet of the low-temperature area;
judging whether the temperature of the return air inlet of the low-temperature area is greater than a lower limit temperature value and less than a second upper limit temperature value or not;
if yes, outputting a command of adjusting the fan to enter a low wind mode.
In the method for controlling the cooling capacity of the air outlet at the tail end of the air conditioner, the method further comprises the following steps:
if the air conditioner enters the automatic mode, then:
comparing the single return air inlet temperature to a target temperature;
if the temperature of the single air return inlet is lower than the target temperature, signals for controlling the air conditioner to close a water valve and close a fan are output;
if the temperature of the single air return inlet is equal to the target temperature, outputting signals for controlling an air conditioner to open a water valve and controlling a fan to enter a breeze mode;
and if the temperature of the single air return inlet is higher than the target temperature, outputting signals for controlling the air conditioner to open a water valve and controlling the fan to enter a wind stroke mode or a high wind mode.
In the method for controlling cooling capacity of the air outlet at the tail end of the air conditioner, if the temperature of the single air return inlet is higher than the target temperature, outputting signals for controlling the air conditioner to open the water valve and controlling the fan to enter the medium wind mode or the high wind mode includes:
if the difference value between the temperature in the single return air and the target temperature is smaller than a second temperature threshold value, outputting signals for controlling an air conditioner to open a water valve and controlling a fan to enter a wind stroke mode;
and if the difference value between the temperature in the single return air and the target temperature is greater than or equal to a second temperature threshold value, outputting signals for controlling the air conditioner to open a water valve and controlling the fan to enter a high-wind mode.
In the method for controlling cooling capacity at the air outlet at the tail end of the air conditioner, the method further comprises the following steps:
and if the required operation mode of the air conditioner is the designated mode, controlling the air conditioner to enter the designated mode.
In the method for controlling the cooling capacity of the air outlet at the tail end of the air conditioner, the method further comprises the following steps:
if the air conditioner enters the designated mode, the following steps:
comparing the single return air inlet temperature to a target temperature;
if the temperature of the single air return inlet is less than or equal to the target temperature, outputting signals for controlling the air conditioner to close a water valve and close a fan;
and if the temperature of the single air return inlet is higher than the target temperature, outputting a signal for controlling the air conditioner to be started and a signal for controlling the fan to enter a specified air mode.
In the method for controlling the cooling capacity of the air outlet at the tail end of the air conditioner, the method further comprises the following steps:
acquiring the temperatures of the single air outlets at the tail ends of all the air conditioners in the preset time period;
calculating the average value of the air outlets in the preset time period based on the temperatures of the single air outlets at the tail ends of all the air conditioners;
determining the single air outlet temperature with the absolute value of the temperature difference larger than a third temperature threshold according to the single air outlet temperatures of all the air conditioner tail ends and the average value of the air outlets;
acquiring an air-conditioning fan coil corresponding to the temperature of the single air outlet with the temperature difference absolute value larger than a third temperature threshold;
and outputting a signal for detecting hardware equipment of the air-conditioning fan coil.
The invention also provides a cold quantity control system for the air outlet at the tail end of the air conditioner, which comprises: a plurality of edge controllers provided corresponding to each floor;
each edge controller is used for judging whether a user demand signal is received or not; if so, determining a demand operation mode of the air conditioner according to the user demand signal; if the required operation mode of the air conditioner is an automatic mode, controlling the air conditioner to enter the automatic mode;
a server to:
after the air conditioner is in the automatic mode, acquiring operation parameters and environment parameters of the air conditioner within a preset time period; the operating parameters within the preset time period include: the method comprises the following steps that in a preset time period, the temperature of a single air outlet at the tail end of an air conditioner, the temperature of a single air return inlet, the total cooling capacity of each floor, the total power consumption of the air outlet of each floor and the power consumption of the single air outlet at the tail end of the air conditioner are measured; the environmental parameters in the preset time period comprise: the real-time total number of people and the number of people in the air return area of each floor within the preset time period;
obtaining the cold quantity of a single air outlet at the tail end of the air conditioner according to the total cold quantity of each floor, the total power consumption of the air outlet of each floor and the power consumption of the single air outlet at the tail end of the air conditioner;
and according to the total cooling capacity of the air outlets on each floor, the cooling capacity of a single air outlet at the tail end of the air conditioner, the real-time total number of people in the preset time period and the number of people in the area of the return air inlet on each floor, the cooling capacity of each air outlet on each floor is adjusted in a balanced manner.
The air conditioner tail end air outlet cold quantity control system further comprises: the equipment controller is arranged on each floor;
and the equipment controller of each floor is used for communicating with the edge controller correspondingly arranged on each floor and controlling the air conditioner according to a signal sent by the edge controller.
The air conditioner tail end air outlet cold quantity control system further comprises: the cold gauge, the air outlet thermometer, the return air inlet thermometer and the video equipment are arranged on each floor;
the cold meter is used for obtaining total cold quantity of each floor, the air outlet thermometer is used for obtaining air outlet temperature of each air outlet, the return air inlet thermometer is used for obtaining temperature of each return air inlet, and the video equipment is used for obtaining real-time total number of people and number of people in a return air inlet area of each floor within a preset time period.
The implementation of the method and the system for controlling the cold quantity of the air outlet at the tail end of the air conditioner has the following beneficial effects: judging whether a user demand signal is received or not; if so, determining a demand operation mode of the air conditioner according to the user demand signal; if the required operation mode of the air conditioner is the automatic mode, controlling the air conditioner to enter the automatic mode; after the air conditioner is in an automatic mode, acquiring operation parameters and environment parameters of the air conditioner within a preset time period; obtaining the cold quantity of a single air outlet at the tail end of the air conditioner according to the total cold quantity of each floor, the total power consumption of the air outlet of each floor and the power consumption of the single air outlet; and (4) according to the total cooling capacity of the air outlets of each floor, the cooling capacity of a single air outlet at the tail end of the air conditioner, the real-time total number of people in the preset time period of each floor and the number of people in the air return inlet area, the cooling capacity of each air outlet of each floor is adjusted in a balanced manner. According to the invention, the cold quantity of each air outlet is accurately calculated by monitoring the air conditioner operation data and the cold quantity of each layer, so that the reliability and the accuracy of the subsequent property operation and maintenance are effectively improved.
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 method for controlling cooling capacity at an air outlet at the tail end of an air conditioner according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a cooling capacity control system at an air outlet at the tail end of an air conditioner according to an embodiment of the present invention.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
Referring to fig. 1, a schematic flow chart of an alternative embodiment of a method for controlling cooling capacity at an air outlet at a terminal of an air conditioner according to the present invention is shown.
Specifically, as shown in fig. 1, the method for controlling the cooling capacity of the air outlet at the tail end of the air conditioner comprises the following steps:
step S101, judging whether a user demand signal is received.
And S102, if yes, determining a demand operation mode of the air conditioner according to the user demand signal.
Optionally, in the embodiment of the present invention, the required operation mode of the air conditioner may include: an automatic mode and a designated mode. Wherein the user demand signal can be generated by user triggering.
And step S103, if the required operation mode of the air conditioner is the automatic mode, controlling the air conditioner to enter the automatic mode.
And step S104, acquiring the operating parameters and the environmental parameters of the air conditioner within a preset time period after the air conditioner enters the automatic mode. The operating parameters within the preset time period include: the method comprises the following steps that in a preset time period, the temperature of a single air outlet at the tail end of an air conditioner, the temperature of a single air return inlet, the total cooling capacity of each floor, the total power consumption of the air outlet of each floor and the power consumption of the single air outlet at the tail end of the air conditioner are measured; the environmental parameters in the preset time period include: the real-time total number of people and the number of people in the return air inlet area of each floor in a preset time period.
Optionally, in the embodiment of the present invention, the temperature of the single air outlet may be acquired by thermometers respectively disposed at the air outlets at the ends of each air conditioner. The temperature of the single air return inlet can be acquired by thermometers respectively arranged at each air return inlet. The total cold quantity of each floor can be acquired by a cold quantity meter arranged on each floor. The power consumption of a single air outlet at the tail end of the air conditioner can be obtained by monitoring the power consumption (such as voltage and current calculation) of a motor in a fan disc of each air outlet. The total power consumption of the air outlets of each floor can be obtained by accumulating the power consumption of the single air outlet monitored by the floor. The real-time total number of people in each floor in the preset time period and the number of people in the air return area can be obtained by carrying out video acquisition or image acquisition and conversion through the existing video equipment.
Furthermore, in the embodiment of the invention, for monitoring the temperature of the air outlet and the temperature of the return air inlet, the monitoring period is a dynamic monitoring period, and can be adjusted along with the real-time temperature and change. For example, if the initial monitoring period is 10 seconds, it is cycled every 10 seconds. Wherein, the air outlet temperature or the return air inlet temperature of gathering regard as the temperature of gathering with the average value of connecting cubic temperature value, promptly:
T mining ＝(T0+T1+T2)/3。
Wherein, when the temperature is collected, the change condition of three times of continuous monitoring temperature is monitored simultaneously, and if the temperature is continuously monitored for three times T Mining If the values of (c) are the same, the temperature monitoring period is optimized, e.g., increased by 10 seconds, i.e., modified from one cycle every 10 seconds to one cycle every 20 seconds. Optionally, in the embodiment of the present invention, the shortest monitoring period may be 10 seconds, and the longest monitoring period is 60 seconds.
And S105, obtaining the cold quantity of the single air outlet at the tail end of the air conditioner according to the total cold quantity of each floor, the total power consumption of the air outlet of each floor and the power consumption of the single air outlet at the tail end of the air conditioner.
Optionally, in the embodiment of the present invention, obtaining the cooling capacity of the single air outlet at the end of the air conditioner according to the total cooling capacity of each floor, the total power consumption of the air outlet of each floor, and the power consumption of the single air outlet at the end of the air conditioner includes: dividing the total cooling capacity of each floor with the total power consumption of each floor air outlet to obtain a quotient of the total cooling capacity of each floor and the total power consumption of each floor air outlet; multiplying the quotient by the power consumption of the single air outlet at the tail end of the air conditioner to obtain the product of the quotient and the power consumption of the single air outlet at the tail end of the air conditioner; the product is the cold quantity of a single air outlet at the tail end of the air conditioner.
Specifically, the following expression can be used:
the cold quantity of a single air outlet at the tail end of the air conditioner = the total cold quantity of each floor ÷ the total power consumption of each floor air outlet × the power consumption of the single air outlet.
And S106, uniformly adjusting the cold quantity of each air outlet of each floor according to the total cold quantity of each air outlet of each floor, the cold quantity of a single air outlet at the tail end of the air conditioner, the real-time total number of people in each floor within a preset time period and the number of people in an air return area.
In the embodiment of the invention, the step of adjusting the cold quantity of each air outlet of each floor in a balanced manner according to the total cold quantity of each air outlet of each floor, the cold quantity of a single air outlet at the tail end of an air conditioner, the real-time total number of people in each floor within a preset time period and the number of people in an air return area comprises the following steps: obtaining the average cooling capacity value of the floors according to the total cooling capacity and the real-time total number of people at each floor air outlet; obtaining the average cooling capacity value of the regional people according to the cooling capacity of a single air outlet at the tail end of the air conditioner and the number of people in the region of an air return inlet; and according to the floor per capita cold quantity value and the regional per capita cold quantity value, the cold quantity of each air outlet of each floor is adjusted in a balanced manner.
Specifically, the floor per capita cold value can be expressed by the following formula:
the floor per capita average cold quantity value = the total cold quantity of each floor air outlet divided by the real-time total number of people.
The regional average human cold volume value can be expressed by the following formula:
the average people cold quantity value of the area is the cold quantity of a single air outlet divided by the number of people in the area of the air return inlet.
In the embodiment of the invention, the step of adjusting the cold quantity of each air outlet of each floor in a balanced manner according to the floor per capita cold quantity value and the regional per capita cold quantity value comprises the following steps: the floor average cooling capacity value is differed from the area average value to obtain an average cooling capacity difference value; and according to the difference value of the cold quantity per person, the cold quantity of each air outlet of each floor is adjusted in a balanced manner.
In some embodiments, the equalizing the cooling capacity of each air outlet of each floor according to the difference between the cooling capacities per capita includes: judging whether the difference value of the average human refrigeration capacity is smaller than a first preset value or not; if so, acquiring a region of the return air inlet temperature different from the first temperature threshold value in the same period; outputting an inspection instruction based on the area of the return air inlet temperature different from the first temperature threshold value in the simultaneous period; and outputting a checking indication signal according to the checking instruction.
Optionally, in the embodiment of the present invention, the first preset value may be 1, and the first temperature threshold is 1 ℃. Specifically, when the difference value of the per-person cold quantity is smaller than 1, the return air inlets with the difference of 1 ℃ in the same time period (preset time period) are searched from the temperatures of all the return air inlets, the monitoring area of the return air inlets is based on the return air inlets, the inspection instruction is output, and then the inspection instruction signal is output according to the inspection instruction so as to inform relevant workers to inspect whether the surrounding environment of the monitoring area is not closed or has windows.
In some embodiments, the equalizing the cooling capacity of each air outlet of each floor according to the difference between the cooling capacities per capita includes: judging whether the difference value of the average human refrigeration capacity is greater than a second preset value or not; if so, obtaining the average return air inlet temperature according to the temperatures of all the single return air inlets of each floor; acquiring a region in which the difference value between the temperature of a single air return inlet and the average air return inlet is greater than a first temperature threshold value; a high-temperature area is formed when the difference between the temperature of the single air return inlet and the average air return inlet is larger than a first temperature threshold value; acquiring the temperature of a return air inlet of a high-temperature area; judging whether the temperature of an air return inlet of the high-temperature area is greater than a first upper limit temperature value or not; if so, outputting a command for adjusting the fan to keep the high wind mode; if not, judging whether the temperature of the air return inlet of the high-temperature area is greater than the lower limit temperature value and less than a first upper limit temperature value or not; and if the return air inlet temperature of the high-temperature area is greater than the lower limit temperature value and less than the upper limit temperature value, outputting an instruction for adjusting the fan to keep the stroke mode.
Optionally, in an embodiment of the present invention, the second preset value may be 2, the first upper limit temperature is 25.5 ℃, and the lower limit temperature is 24.5 ℃.
Specifically, if the difference between the average cooling capacity of people is larger than 2, an area with a single return air inlet temperature higher than the average return air inlet temperature by 1 ℃ is obtained, and the adjustment is continued based on the return air inlet temperature of the area. Namely, if the temperature of the air return inlet of the area is more than 25.5 ℃, the fan is adjusted to continuously blow; and if the temperature of the return air inlet of the area is more than 24.5 ℃ and less than 25.5 ℃, adjusting the fan to continuously stroke.
In some embodiments, the equalizing the cooling capacity of each air outlet of each floor according to the difference between the cooling capacities per capita includes: judging whether the difference value of the average human refrigeration capacity is greater than a second preset value or not; if yes, obtaining the average return air inlet temperature according to the temperatures of all the single return air inlets of each floor; acquiring a region in which the difference value between the temperature of a single air return inlet and the average air return inlet is smaller than a first temperature threshold value; the area, in which the difference value between the temperature of the single air return inlet and the average air return inlet is smaller than the first temperature threshold value, is a low-temperature area; acquiring the temperature of an air return inlet of a low-temperature area; judging whether the temperature of the return air inlet of the low-temperature area is greater than the lower limit temperature value and less than a second upper limit temperature value or not; if yes, outputting a command of adjusting the fan to enter a low wind mode.
Optionally, in an embodiment of the present invention, the second upper limit temperature value is 27.5 ℃.
Specifically, if the difference between the average human cold quantity and the average return air quantity is greater than 2, an area with the difference between the temperature of the single return air inlet and the average return air inlet being less than 1 ℃ is obtained, and the adjustment is continued based on the return air inlet temperature of the area. Namely, if the temperature of the return air inlet of the area is more than 24.5 ℃ and less than 27.5 ℃, the low air of the fan is adjusted.
In the embodiment of the invention, the calculation of the cooling capacity of the single air outlet at the tail end of the air conditioner and the balance adjustment of the cooling capacity of each layer can be realized by the server.
Further, in some embodiments, if the air conditioner enters the automatic mode, then: comparing the single return air inlet temperature with a target temperature; if the temperature of the single air return inlet is lower than the target temperature, outputting signals for controlling the air conditioner to close a water valve and close the fan; if the temperature of the single air return inlet is equal to the target temperature, outputting signals for controlling the air conditioner to open a water valve and controlling the fan to enter a low wind mode; and if the temperature of the single air return inlet is higher than the target temperature, outputting signals for controlling the air conditioner to open the water valve and controlling the fan to enter a wind stroke mode or a high wind mode.
Further, in some embodiments, if the temperature of the single air return inlet is greater than the target temperature, outputting a signal for controlling the air conditioner to open the water valve and controlling the fan to enter the medium wind mode or the high wind mode includes: if the difference value between the temperature in the single return air and the target temperature is smaller than a second temperature threshold value, outputting signals for controlling the air conditioner to open a water valve and controlling the fan to enter a stroke mode; and if the difference value between the temperature in the single return air and the target temperature is greater than or equal to a second temperature threshold value, outputting signals for controlling the air conditioner to open a water valve and controlling the fan to enter a high-wind mode.
Alternatively, in the embodiment of the present invention, the target temperature may be greater than or equal to 24.5 ℃. The second temperature threshold may be 3 ℃. Specifically, if the temperature of the return air inlet is less than 24.5 ℃, the edge controller outputs a signal for controlling the air conditioner to close a water valve and a signal for closing the fan. If the temperature of the air return inlet is equal to 24.5 ℃, the edge controller outputs a signal for controlling the air conditioner to open a water valve and a signal for controlling the fan to enter a small wind mode. And if the temperature of the return air inlet is more than 24.5 ℃ and less than 27.5 ℃, the edge controller outputs signals for controlling the air conditioner to open a water valve and controlling the fan to enter a wind stroke mode. And if the temperature of the air return inlet is higher than 27.5 ℃, the edge controller outputs signals for controlling the air conditioner to open a water valve and controlling the fan to enter a high-wind mode.
It can be understood that after the air conditioner enters the automatic mode, the control of the air conditioner water valve and the fan can be carried out by the edge controller according to the comparison result of the return air inlet temperature and the target temperature. Meanwhile, the execution control result and the control parameter of the edge controller and the real-time operation parameter of the air conditioner are synchronously transmitted to the server, so that the server calculates the cold quantity based on the operation parameter and the environmental parameter of the air conditioner, and the balance adjustment of the cold quantity of the single air outlet of each floor is carried out according to the number of people in the floor.
Further, if the required operation mode of the air conditioner is the designated mode, the air conditioner is controlled to enter the designated mode. Namely, if the user triggers the fixed mode, the edge controller responds according to the requirement of the user and controls the air conditioner to enter the specified mode.
In some embodiments, if the air conditioner enters the designated mode, then: comparing the single return air inlet temperature with a target temperature; if the temperature of the single air return inlet is less than or equal to the target temperature, outputting signals for controlling the air conditioner to close a water valve and close a fan; and if the temperature of the single air return inlet is higher than the target temperature, outputting a signal for controlling the air conditioner to be started and a signal for controlling the fan to enter a specified air mode.
It can be understood that after the air conditioner enters the designated mode, the control to the air conditioner water valve and the fan can be carried out by the edge controller according to the comparison result of the return air inlet temperature and the target temperature. Meanwhile, the execution control result and the control parameter of the edge controller and the real-time operation parameter of the air conditioner are synchronously transmitted to the server, so that the server calculates the cold quantity based on the operation parameter and the environmental parameter of the air conditioner, and the balance adjustment of the cold quantity of the single air outlet of each floor is carried out according to the number of people in the floor.
Further, in the embodiment of the present invention, the method for controlling cooling capacity of the air outlet at the tail end of the air conditioner further includes: acquiring the temperature of a single air outlet at the tail end of all air conditioners in a preset time period; calculating the average value of the air outlets in a preset time period based on the temperatures of the single air outlets at the tail ends of all the air conditioners; determining the single air outlet temperature with the absolute value of the temperature difference larger than a third temperature threshold according to the single air outlet temperature and the average value of the air outlets at the tail ends of all the air conditioners; acquiring an air-conditioning fan coil corresponding to the temperature of a single air outlet with the temperature difference absolute value larger than a third temperature threshold; and outputting a signal for detecting hardware equipment of the fan coil of the air conditioner.
Optionally, in this embodiment of the present invention, the third temperature threshold may be 0.5 ℃
Referring to fig. 2, the system for controlling cooling capacity of an air outlet at a tail end of an air conditioner provided by the present invention may be used to implement the method for controlling cooling capacity of an air outlet at a tail end of an air conditioner provided by the embodiment of the present invention.
As shown in fig. 2, the system for controlling cooling capacity at the tail end air outlet comprises: the system comprises a plurality of edge controllers which are arranged corresponding to each floor and a server which is in communication connection with the edge controllers. The server may be a local server or a remote cloud server.
Specifically, as shown in fig. 2, there are N floors (as shown in fig. 2, #1 floor, … …, # N floor) in an office building, each floor having N equipment controllers (as #1 equipment controller, … …, # N equipment controller in fig. 2), each floor having N air outlet thermometers (as #1 air outlet thermometer, … …, # N air outlet thermometer in fig. 2), each floor having N air return thermometers (as #1 air return thermometer, … …, # N air return thermometer in fig. 2). As shown in fig. 2, N device controllers of each layer are connected to the edge controller of the layer, and as shown in fig. 2, N device controllers of layer #1 are connected to the edge controller #1 of layer #1, … …, and N device controllers of layer # N are connected to the edge controller # N of layer # N. Wherein, the #1 edge controller, … … and # N edge controller are respectively connected with the server.
In the embodiment of the invention, each edge controller is used for judging whether a user demand signal is received; if so, determining a demand operation mode of the air conditioner according to the user demand signal; and if the required operation mode of the air conditioner is the automatic mode, controlling the air conditioner to enter the automatic mode. Further, the edge controller is also used for controlling the air conditioner to enter a specified mode when the specified mode specified by the user is received, and adjusting and controlling the air conditioner according to the specified mode.
A server to: after the air conditioner is in an automatic mode, acquiring operation parameters and environment parameters of the air conditioner within a preset time period; the operating parameters within the preset time period include: the method comprises the following steps that in a preset time period, the temperature of a single air outlet at the tail end of an air conditioner, the temperature of a single air return inlet, the total cooling capacity of each floor, the total power consumption of the air outlet of each floor and the power consumption of the single air outlet at the tail end of the air conditioner are measured; the environmental parameters in the preset time period include: the real-time total number of people and the number of people in an air return area of each floor within a preset time period; acquiring the cold quantity of a single air outlet at the tail end of the air conditioner according to the total cold quantity of each floor, the total power consumption of the air outlet of each floor and the power consumption of the single air outlet at the tail end of the air conditioner; and (4) according to the total cooling capacity of the air outlets on each floor, the cooling capacity of a single air outlet at the tail end of the air conditioner, the real-time total number of people in a preset time period of each floor and the number of people in an air return inlet area, the cooling capacity of each air outlet on each floor is adjusted in a balanced manner.
Further, this air conditioner terminal air outlet cold volume control system still includes: and the equipment controller is arranged on each floor.
And the equipment controller of each floor is used for communicating with the edge controller correspondingly arranged on each floor and controlling the air conditioner according to a signal sent by the edge controller.
Further, this air conditioner terminal air outlet cold volume control system still includes: a cold flow meter, an air outlet thermometer, an air return thermometer and a video device which are arranged on each floor.
The cold gauge is used for obtaining the total cold quantity of each floor, the air outlet thermometer is used for obtaining the air outlet temperature of each air outlet, the return air inlet thermometer is used for obtaining the temperature of each return air inlet, and the video equipment is used for obtaining the real-time total number of people and the number of people in the return air inlet area of each floor in a preset time period.
Specifically, as shown in fig. 2, the air-conditioning fan coil of each floor is connected to the equipment controller of the floor, and the equipment controller performs air volume control, water valve control and power supply control. The thermometers arranged at the air outlets and the thermometers arranged at the air return inlets in the floor are also connected with the equipment controller of the floor, and data are transmitted to the equipment controller, transmitted to the edge controller correspondingly arranged on the floor by the equipment controller and transmitted to the server by the edge controller. The air conditioner fan coil is connected and communicated with the equipment controller in a wired mode, and the equipment controller is connected and communicated with the edge controller and the thermometer in a wired or wireless mode. The edge controller and the server are connected and communicated in a wired or wireless mode.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in Random Access Memory (RAM), memory, read-only memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
The above embodiments are only for illustrating the technical idea and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and implement the present invention accordingly, and not to limit the protection 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.
Claims (15)
1. A method for controlling the cooling capacity of an air outlet at the tail end of an air conditioner is characterized by comprising the following steps:
judging whether a user demand signal is received or not;
if so, determining a demand operation mode of the air conditioner according to the user demand signal;
if the required operation mode of the air conditioner is an automatic mode, controlling the air conditioner to enter the automatic mode;
after the air conditioner enters the automatic mode, acquiring operation parameters and environment parameters of the air conditioner within a preset time period; the operating parameters within the preset time period include: the method comprises the following steps that in a preset time period, the temperature of a single air outlet at the tail end of an air conditioner, the temperature of a single air return inlet, the total cooling capacity of each floor, the total power consumption of the air outlet of each floor and the power consumption of the single air outlet at the tail end of the air conditioner are measured; the environmental parameters in the preset time period comprise: the real-time total number of people and the number of people in the air return area of each floor within the preset time period;
obtaining the cold quantity of a single air outlet at the tail end of the air conditioner according to the total cold quantity of each floor, the total power consumption of the air outlet of each floor and the power consumption of the single air outlet at the tail end of the air conditioner;
and according to the total cooling capacity of the air outlets of each floor, the cooling capacity of a single air outlet at the tail end of the air conditioner, the real-time total number of people in the preset time period of each floor and the number of people in the area of the return air inlet, the cooling capacity of each air outlet of each floor is adjusted in a balanced manner.
2. The method for controlling the cooling capacity of the air outlet at the tail end of the air conditioner according to claim 1, wherein the step of obtaining the cooling capacity of the single air outlet at the tail end of the air conditioner according to the total cooling capacity of each floor, the total power consumption of the air outlet of each floor and the power consumption of the single air outlet at the tail end of the air conditioner comprises the following steps:
dividing the total cooling capacity of each floor with the total power consumption of each floor air outlet to obtain a quotient of the total cooling capacity of each floor and the total power consumption of each floor air outlet;
multiplying the quotient value by the power consumption of the single air outlet at the tail end of the air conditioner to obtain the product of the quotient value and the power consumption of the single air outlet at the tail end of the air conditioner;
the product is the cold quantity of a single air outlet at the tail end of the air conditioner.
3. The method for controlling the cold energy of the air outlet at the tail end of the air conditioner according to claim 1, wherein the step of adjusting the cold energy of each air outlet of each floor in a balanced manner according to the total cold energy of each air outlet of each floor, the cold energy of a single air outlet at the tail end of the air conditioner, the real-time total number of people of each floor in the preset time period and the number of people in an air return area comprises the following steps:
obtaining the average cold quantity value of the floors according to the total cold quantity of each floor air outlet and the real-time total number of people;
obtaining the average cooling capacity value of the regional people according to the cooling capacity of the single air outlet at the tail end of the air conditioner and the number of people in the region of the air return inlet;
and according to the floor per-capita average cooling capacity value and the regional per-capita average cooling capacity value, the cooling capacity of each air outlet of each floor is adjusted in a balanced manner.
4. The method for controlling the cold quantity of the air outlet at the tail end of the air conditioner as claimed in claim 3, wherein the step of adjusting the cold quantity of each air outlet of each floor in a balanced manner according to the floor per-capita cold quantity value and the regional per-capita cold quantity value comprises the following steps:
the floor average cooling capacity value is differed from the area average cooling capacity value to obtain an average cooling capacity difference value;
and according to the difference value of the per-person cold quantities, the cold quantities of the air outlets of all the floors are adjusted in a balanced manner.
5. The method for controlling the cold quantity of the air outlet at the tail end of the air conditioner according to the claim 4, wherein the step of adjusting the cold quantity of each air outlet of each floor in a balanced manner according to the difference value of the cold quantity per capita comprises the following steps:
judging whether the difference value of the average refrigerating capacity of people is smaller than a first preset value or not;
if so, acquiring a region of the return air inlet temperature different from a first temperature threshold value in the same period;
outputting an inspection instruction based on the area of the return air inlet temperature different from the first temperature threshold value in the simultaneous period;
and outputting a checking indication signal according to the checking instruction.
6. The method for controlling the cold quantity of the air outlet at the tail end of the air conditioner according to the claim 4, wherein the step of adjusting the cold quantity of each air outlet of each floor in a balanced manner according to the difference value of the cold quantity per capita comprises the following steps:
judging whether the difference value of the average human refrigeration capacity is greater than a second preset value or not;
if so, obtaining the average return air inlet temperature according to the temperatures of all the single return air inlets of each floor;
acquiring a region in which the difference value between the temperature of a single air return inlet and the average air return inlet is greater than a first temperature threshold value; the area, in which the difference value between the single return air inlet temperature and the average return air inlet temperature is greater than a first temperature threshold value, is a high-temperature area;
acquiring the temperature of a return air inlet of the high-temperature area;
judging whether the temperature of the return air inlet of the high-temperature area is greater than a first upper limit temperature value or not;
if so, outputting a command for adjusting the fan to keep the high wind mode;
if not, judging whether the temperature of the air return inlet of the high-temperature area is greater than the lower limit temperature value and less than the first upper limit temperature value or not;
and if the temperature of the return air inlet of the high-temperature area is greater than the lower limit temperature value and less than the first upper limit temperature value, outputting an instruction for adjusting the fan to keep the stroke mode.
7. The method for controlling the cold quantity of the air outlet at the tail end of the air conditioner according to the claim 4, wherein the step of adjusting the cold quantity of each air outlet of each floor in a balanced manner according to the difference value of the cold quantity per capita comprises the following steps:
judging whether the difference value of the average human refrigeration capacity is greater than a second preset value or not;
if so, obtaining the average return air inlet temperature according to the temperatures of all the single return air inlets of each floor;
acquiring a region in which the difference value between the temperature of a single air return inlet and the average air return inlet is smaller than a first temperature threshold value; the area, in which the difference value between the temperature of the single air return inlet and the average air return inlet is smaller than a first temperature threshold value, is a low-temperature area;
acquiring the temperature of the return air inlet of the low-temperature area;
judging whether the temperature of the return air inlet of the low-temperature area is greater than a lower limit temperature value and less than a second upper limit temperature value or not;
if yes, outputting a command of adjusting the fan to enter a low wind mode.
8. The method for controlling the cooling capacity of the air outlet at the tail end of the air conditioner as claimed in claim 1, wherein the method further comprises the following steps:
if the air conditioner enters the automatic mode, the following steps are carried out:
comparing the single return air inlet temperature to a target temperature;
if the temperature of the single air return inlet is lower than the target temperature, signals for controlling an air conditioner to close a water valve and a fan are output, and execution control results of the water valve and the fan are output, so that the cold quantity of each air outlet of each floor is adjusted in a balanced mode according to the execution control results, the operation parameters and the environmental parameters;
if the temperature of the single air return inlet is equal to the target temperature, signals for controlling an air conditioner to open a water valve and controlling a fan to enter a low-wind mode are output, and the execution control results of the water valve and the fan are output, so that the cold quantity of each air outlet of each floor is adjusted in a balanced mode according to the execution control results, the operation parameters and the environmental parameters;
and if the temperature of the single air return inlet is higher than the target temperature, outputting signals for controlling the air conditioner to open a water valve and controlling the fan to enter a medium wind mode or a high wind mode, and outputting the execution control result for the water valve and the fan so as to balance and adjust the cooling capacity of each air outlet of each floor according to the execution control result, the operation parameters and the environmental parameters.
9. The method for controlling cooling capacity at an air outlet at the tail end of an air conditioner according to claim 8, wherein if the temperature of the single air return inlet is higher than the target temperature, outputting signals for controlling an air conditioner opening water valve and a fan to enter a medium wind mode or a high wind mode comprises:
if the difference value between the temperature of the single air return inlet and the target temperature is smaller than a second temperature threshold value, outputting signals for controlling an air conditioner to open a water valve and controlling a fan to enter a wind stroke mode;
and if the difference value between the temperature of the single air return inlet and the target temperature is larger than or equal to a second temperature threshold value, outputting signals for controlling the air conditioner to open a water valve and controlling the fan to enter a high-wind mode.
10. The method for controlling the cooling capacity of the air outlet at the tail end of the air conditioner as claimed in claim 1, wherein the method further comprises the following steps:
and if the required operation mode of the air conditioner is the designated mode, controlling the air conditioner to enter the designated mode.
11. The method for controlling cooling capacity at the air outlet of the tail end of the air conditioner as claimed in claim 10, further comprising:
if the air conditioner enters the designated mode, the following steps:
comparing the single return air inlet temperature to a target temperature;
if the temperature of the single air return inlet is less than or equal to the target temperature, outputting signals for controlling the air conditioner to close a water valve and close a fan;
and if the temperature of the single air return inlet is higher than the target temperature, outputting a signal for controlling the air conditioner to be started and a signal for controlling the fan to enter a specified air mode.
12. The method for controlling the cooling capacity of the air outlet at the tail end of the air conditioner as claimed in claim 1, wherein the method further comprises the following steps:
acquiring the temperatures of the single air outlets at the tail ends of all the air conditioners in the preset time period;
calculating the average value of the air outlets in the preset time period based on the temperatures of the single air outlets at the tail ends of all the air conditioners;
determining the single air outlet temperature of which the absolute value of the temperature difference is greater than a third temperature threshold according to the temperature difference between the single air outlet temperature at the tail end of the air conditioner and the average value of the air outlets;
acquiring an air-conditioning fan coil corresponding to the temperature of the single air outlet with the absolute value of the temperature difference larger than a third temperature threshold;
and outputting a signal for detecting hardware equipment of the air-conditioning fan coil.
13. The utility model provides a terminal air outlet cold volume control system of air conditioner which characterized in that includes: a plurality of edge controllers provided corresponding to each floor;
each edge controller is used for judging whether a user demand signal is received or not; if so, determining a demand operation mode of the air conditioner according to the user demand signal; if the required operation mode of the air conditioner is an automatic mode, controlling the air conditioner to enter the automatic mode;
a server to:
after the air conditioner is in the automatic mode, acquiring operation parameters and environment parameters of the air conditioner within a preset time period; the operating parameters in the preset time period include: the method comprises the following steps that in a preset time period, the temperature of a single air outlet at the tail end of an air conditioner, the temperature of a single air return inlet, the total cooling capacity of each floor, the total power consumption of the air outlet of each floor and the power consumption of the single air outlet at the tail end of the air conditioner are measured; the environmental parameters in the preset time period comprise: the real-time total number of people and the number of people in the air return area of each floor within the preset time period;
obtaining the cold quantity of a single air outlet at the tail end of the air conditioner according to the total cold quantity of each floor, the total power consumption of the air outlet of each floor and the power consumption of the single air outlet at the tail end of the air conditioner;
and according to the total cooling capacity of the air outlets of each floor, the cooling capacity of a single air outlet at the tail end of the air conditioner, the real-time total number of people in the preset time period of each floor and the number of people in the area of the return air inlet, the cooling capacity of each air outlet of each floor is adjusted in a balanced manner.
14. The system for controlling the cooling capacity of the air outlet at the tail end of the air conditioner as claimed in claim 13, further comprising: the equipment controller is arranged on each floor;
and the equipment controller of each floor is used for communicating with the edge controller correspondingly arranged on each floor and controlling the air conditioner according to a signal sent by the edge controller.
15. The system for controlling the cooling capacity of the air outlet at the tail end of the air conditioner as claimed in claim 14, further comprising: the system comprises a cold quantity meter, an air outlet thermometer, an air return thermometer and video equipment which are arranged on each floor;
the cold quantity meter is used for obtaining total cold quantity of each floor, the air outlet thermometer is used for obtaining air outlet temperature of each air outlet, the return air inlet thermometer is used for obtaining temperature of each return air inlet, and the video equipment is used for obtaining real-time total number of people and number of people in a return air inlet area of each floor in a preset time period.
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| KR20060032858A (en) * | 2004-10-13 | 2006-04-18 | 삼성전자주식회사 | An multi air-conditioner system and method thereof |
| JP2013195047A (en) * | 2012-03-23 | 2013-09-30 | Sanki Eng Co Ltd | Task ambient air conditioning system |
| JP2014092301A (en) * | 2012-11-01 | 2014-05-19 | Samsung R&D Institute Japan Co Ltd | Air conditioning apparatus and program for air conditioning apparatus |
| CN103411293A (en) * | 2013-09-05 | 2013-11-27 | 刘新民 | Method and device for control on air conditioner cold water system based on tail end cold quantity active adjustment |
| CN106123221A (en) * | 2016-06-29 | 2016-11-16 | 深圳达实智能股份有限公司 | Variable air volume control in air conditioner equipment based on video monitoring system and device |
| CN106225143A (en) * | 2016-07-20 | 2016-12-14 | 安徽建筑大学 | Intelligent refrigeration control system of air conditioner |
| CN107631406A (en) * | 2017-07-31 | 2018-01-26 | 深圳达实智能股份有限公司 | Air-conditioning system and its control method, computer-readable recording medium |
| CN107631420A (en) * | 2017-10-27 | 2018-01-26 | 深圳达实智能股份有限公司 | Hospital's air conditioning terminal variable air volume system power-economizing method and device based on iBeacon technologies |
| CN108534318A (en) * | 2018-03-06 | 2018-09-14 | 深圳达实智能股份有限公司 | Fan coil cooling amount adjustment method and device based on Studies of Human Body Heat influence value |
| CN213146894U (en) * | 2020-08-06 | 2021-05-07 | 南京长江都市建筑设计股份有限公司 | Central energy-saving control system for central air-conditioning terminal unit |
| CN112728728A (en) * | 2021-02-22 | 2021-04-30 | 深圳市纳海智控科技有限公司 | Air conditioner energy-saving strategy implementation method and system and readable storage medium |
| CN112959868A (en) * | 2021-02-26 | 2021-06-15 | 重庆工程职业技术学院 | Air conditioning system for automobile |
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