CN117847716B - Factory building air conditioner control method and system - Google Patents
Factory building air conditioner control method and system Download PDFInfo
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Abstract
The invention discloses a control method and a system for an air conditioner of a factory building, wherein the method comprises the following steps: determining a first area and/or a second area according to plant monitoring data; analyzing each first area or each second area in sequence, and calculating the sum of air curtain air supply energy consumption W f (i) of each air curtain device and air conditioner air supply energy consumption W k (j) of each air outlet when the air curtain device is started to obtain first total energy consumption W 1 of air conditioner air supply; comparing the first total energy consumption W 1 with the second total energy consumption W 2, and judging whether the starting condition of the air curtain device is met; performing segmentation verification on the second area, and determining the air curtain area and the operation parameters of each air curtain device; when the actual temperature of the air curtain area reaches a first preset temperature, the air outlet parameters of the corresponding air outlets are adjusted according to the coordinate data of each person in the air curtain area. The air curtain device is used for dividing the area where the working equipment or personnel exist, regulating and controlling the air outlet of the air conditioner in the air curtain area, and improving the energy utilization efficiency.
Description
Technical Field
The application relates to the technical field of air conditioner control, in particular to a factory building air conditioner control method and system.
Background
With the development of industry, the scale of the factory building is larger and larger, and the energy consumption of the air conditioning system is also higher and higher. Most of traditional air conditioner control systems adopt fixed temperature setting and fixed operation modes, and cannot be intelligently adjusted according to changes of environments in plants, so that the problems of high energy consumption, poor environmental comfort and the like are caused.
In addition, when staff or working state equipment in a factory building such as night, holidays and the like are fewer, the expected temperature adjustment effect can not be achieved when the air outlet of the air conditioner in the factory building is started, and energy waste is caused when all the air conditioners are started.
Therefore, the prior art has defects, and improvement is needed.
Disclosure of Invention
In view of the above problems, the present invention aims to provide a plant air conditioner control method and system, which can control air conditioners in different areas through an air curtain device, thereby improving energy utilization efficiency and plant environmental comfort.
The first aspect of the invention provides a plant air conditioner control method, which comprises the following steps:
acquiring plant monitoring data;
analyzing according to the plant monitoring data, and determining one or more first areas and/or second areas;
Analyzing each first area or each second area in sequence, and calculating the sum of air curtain air supply energy consumption W f (i) of the air curtain devices and air conditioner air supply energy consumption W k (j) of air outlets when all the first area and/or the second area edge air curtain devices are started to perform air conditioner air supply, so as to obtain first total energy consumption W 1 of air conditioner air supply; comparing the first total energy consumption W 1 with the second total energy consumption W 2 of the whole air supply, and judging whether the starting condition of the air curtain device is met or not;
If the air curtain area is met, sequentially carrying out segmentation verification on each second area, and determining the air curtain area and the operation parameters of each air curtain device;
when the actual temperature of the air curtain area reaches a first preset temperature, the air outlet parameters of the corresponding air outlets are adjusted according to the coordinate data of each person in each first area in the air curtain area.
In this scheme, the analysis is performed according to the plant monitoring data, and determining one or more first areas and/or second areas includes:
Analyzing according to the plant monitoring data, marking a working area where started equipment and/or staff are located as a first area, and determining area coordinates of the first area;
determining a second preset temperature of the first area according to the equipment information of the started equipment and/or the identity information of the staff;
And when a plurality of first areas exist, merging the first areas according to the area coordinates of each first area and the second preset temperature to obtain one or more second areas.
In the scheme, each first area or each second area is analyzed in sequence, and the sum of air curtain air supply energy consumption W f (i) of the air curtain devices and air conditioner air supply energy consumption W k (j) of air outlets when all the first area and/or the second area edge air curtain devices are started to perform air conditioner air supply is calculated to obtain first total energy consumption W 1 of air conditioner air supply; comparing the first total energy consumption W 1 with the second total energy consumption W 2 of the overall air supply, and judging whether the air curtain device starting condition is met, including:
calculating air curtain air supply energy consumption W f (i) of each air curtain device according to the second preset temperature of the areas at the two sides of the air curtain;
calculating air-conditioning air-supply energy consumption W k (j) of each air outlet according to the number of the air outlets in the first area or the second area and the area volume;
Accumulating the obtained air curtain air supply energy consumption W f (i) and the air conditioner air supply energy consumption W k (j), and determining the first total energy consumption W 1 for starting the air curtain device to perform air conditioner air supply;
Calculating the sum of air-conditioning air-supply energy consumption of the corresponding air outlet in the whole air-supply state according to the second preset temperature of each first area, and determining the second total energy consumption W 2 of the whole air-supply;
when W 1＞W2 is carried out, the starting condition of the air curtain device is met; otherwise, the air is not satisfied, and the whole air supply is carried out;
Expressed by the formula:
；
；
；
Wherein s is the area of the air curtain wall formed by the air curtain device, T 1 is the internal temperature of the area, T 2 is the external temperature of the area, Q is the air outlet volume of the air curtain device, V is the area volume of the area corresponding to the air outlet, T 1 is the central air conditioning refrigeration temperature, Q is the air outlet volume of the air outlet, K and K are all influence coefficients, W f (i) is the air curtain air supply energy consumption of the ith air curtain device, W k (j) is the air conditioner air supply energy consumption of the jth air outlet, n is the number of the air curtain devices, and m is the number of the air outlets.
In this scheme, cut apart the verification to every second region in proper order, confirm the operating parameter of air curtain region and every air curtain device, include:
Setting each second area as an area to be verified in sequence, performing segmentation verification, and determining one or more segmentation schemes according to second preset temperature and coordinate data of each first area in the area to be verified;
The segmentation scheme comprises at least two segmentation areas, wherein the segmentation areas are first areas or third areas, and the third areas consist of a plurality of adjacent first areas and adjacent non-first areas;
sequentially calculating the sum of the air supply energy consumption of all the division areas in each division scheme, and determining the third total energy consumption of each division scheme;
Filtering a segmentation scheme with the third total energy consumption being greater than the total energy consumption of the region to be verified;
Determining an air curtain area and/or a pending area according to a segmentation scheme with the minimum third total energy consumption;
setting the undetermined area as an area to be verified, and verifying again until the undetermined area does not exist;
And starting the corresponding air curtain devices according to the air curtain areas, and setting the operation parameters of the corresponding air curtain devices according to the first preset temperature of each air curtain area.
In this scheme, setting each second area as an area to be verified and performing segmentation verification, determining one or more segmentation schemes according to second preset temperature and coordinate data of each first area in the area to be verified includes:
when the second preset temperature difference value between the adjacent first areas is larger than the first preset threshold value, the segmentation condition is met;
and when the interval distance between the adjacent first areas is larger than a second preset threshold value, the segmentation condition is met.
In this scheme, still include:
Calculating a difference value between a second preset temperature and a room temperature of each first area in the air curtain area;
Taking the second preset temperature of the first area corresponding to the minimum difference value as the first preset temperature of the air curtain area;
And adjusting the first preset temperature of the air curtain area based on the adjustment coefficient a.
In this scheme, when the actual temperature in air curtain region reaches first default temperature, according to the coordinate data of every personnel in every first region in the air curtain region adjusts the air-out parameter of corresponding air outlet, include:
determining coordinate data of each person in the first area according to the plant monitoring data;
the air outlet coordinates are taken as the origin of coordinates, analysis is carried out according to the coordinate data of each person, and the air supply range of each person is determined according to the preset range;
combining the air supply ranges with the overlapping air supply ranges to determine one or more air supply areas;
Adjusting the fan blades of the air outlet based on the number of the air supply areas and the one or more air supply areas;
determining the furthest air supply distance according to the relative distance between each person coordinate data and the air outlet coordinate;
and determining the wind speed according to the furthest air supply distance, and adjusting the opening length of the fan blade corresponding to each air supply area.
In this scheme, still include:
Starting a thermal imaging detection device based on a preset time interval to acquire a thermal imaging image of the started device;
analyzing according to the equipment structure and the thermal imaging image of the started equipment, judging whether the working temperature of each part in the started equipment meets a corresponding recommended working temperature interval, carrying out abnormal marking on the parts which do not meet, and determining abnormal parts and abnormal coordinate data;
adjusting the air outlet angle of the air outlet according to the abnormal coordinate data;
And adjusting the wind outlet speed according to the actual temperature of the abnormal part and the corresponding recommended working temperature interval.
In this scheme, still include:
when the actual temperature of the abnormal part is greater than the maximum value of the recommended working temperature interval, the air outlet speed is the maximum value;
otherwise, calculating an adjustment coefficient b;
；
Wherein T s is the actual temperature of the abnormal part, T z is the intermediate value of the recommended working temperature interval of the abnormal part, and T max and T min are the maximum value and the minimum value of the recommended working temperature interval of the abnormal part respectively;
When the adjustment coefficient b is greater than or equal to a third preset threshold value, adjusting the air outlet speed of the air outlet according to the adjustment coefficient b;
when the adjustment coefficient b is smaller than a third preset threshold value, controlling the air outlet to recover the normal air outlet state, and canceling the abnormal mark of the abnormal part.
The second aspect of the present invention provides a plant air conditioner control system, comprising:
the data acquisition module is used for acquiring plant monitoring data;
the area analysis module is used for analyzing according to the plant monitoring data and determining one or more first areas and/or second areas;
The judging module is used for sequentially analyzing each first area or each second area, calculating the sum of air curtain air supply energy consumption W f (i) of the air curtain devices and air conditioner air supply energy consumption W k (j) of the air outlet when all the first area and/or the second area edge air curtain devices are started to perform air conditioner air supply, and obtaining first total energy W 1 of air conditioner air supply; comparing the first total energy consumption W 1 with the second total energy consumption W 2 of the whole air supply, and judging whether the starting condition of the air curtain device is met or not;
The first adjusting module is used for sequentially carrying out segmentation verification on each second area if the first adjusting module meets the first adjusting module, and determining the air curtain area and the operation parameters of each air curtain device;
And the second adjusting module is used for adjusting the air outlet parameters of the corresponding air outlets according to the coordinate data of each person in each first area in the air curtain area when the actual temperature of the air curtain area reaches the first preset temperature.
A third aspect of the present invention provides a computer-readable storage medium, in which a plant air conditioner control method program is included, which when executed by a processor, implements the steps of a plant air conditioner control method as described above.
The invention discloses a control method and a system for an air conditioner of a factory building, wherein the method comprises the following steps: determining a first area and/or a second area according to plant monitoring data; analyzing each first area or each second area in sequence, and calculating the sum of air curtain air supply energy consumption W f (i) of each air curtain device and air conditioner air supply energy consumption W k (j) of each air outlet when the air curtain device is started to obtain first total energy consumption W 1 of air conditioner air supply; comparing the first total energy consumption W 1 with the second total energy consumption W 2, and judging whether the starting condition of the air curtain device is met; performing segmentation verification on the second area, and determining the air curtain area and the operation parameters of each air curtain device; when the actual temperature of the air curtain area reaches a first preset temperature, the air outlet parameters of the corresponding air outlets are adjusted according to the coordinate data of each person in the air curtain area. The air curtain device is used for dividing the area where the working equipment or personnel exist, regulating and controlling the air outlet of the air conditioner in the air curtain area, and improving the energy utilization efficiency.
Drawings
FIG. 1 shows a flow chart of a plant air conditioner control method of the present invention;
FIG. 2 shows a flow chart of a first region and/or second region determination method of the present invention;
FIG. 3 is a flow chart showing a method for judging the starting condition of an air curtain device according to the present invention;
fig. 4 shows a block diagram of a plant air conditioning control system of the present invention.
Detailed Description
In order that the above-recited objects, features and advantages of the present application will be more clearly understood, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present application and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
Fig. 1 shows a flow chart of a plant air conditioner control method of the present invention.
As shown in fig. 1, the invention discloses a plant air conditioner control method, which comprises the following steps:
S102, acquiring plant monitoring data;
S104, analyzing according to plant monitoring data to determine one or more first areas and/or second areas;
S106, analyzing each first area or each second area in sequence, and calculating the sum of air curtain air supply energy consumption W f (i) of the air curtain devices and air conditioner air supply energy consumption W k (j) of the air outlets when all the first area and/or the second area edge air curtain devices are started to perform air conditioner air supply, so as to obtain first total energy consumption W 1 of air conditioner air supply; comparing the first total energy consumption W 1 with the second total energy consumption W 2 of the whole air supply, and judging whether the starting condition of the air curtain device is met or not;
s108, if the air curtain area is met, sequentially carrying out segmentation verification on each second area, and determining the air curtain area and the operation parameters of each air curtain device;
S110, when the actual temperature of the air curtain area reaches a first preset temperature, adjusting the air outlet parameters of the corresponding air outlets according to the coordinate data of each person in each first area in the air curtain area.
According to the embodiment of the invention, the factory building is divided into a plurality of areas according to the air curtain devices arranged at the top of the factory building, the position of each air curtain device is determined according to the arrangement positions of the existing equipment in the factory building and the office areas in the configuration process of the air curtain devices, and the equipment with different attributes and the office areas are divided into different areas through the air curtain devices. And meanwhile, other areas of the factory building are configured according to factory building planning and user requirements, and then the positions of equipment or office areas are subjected to layout adjustment according to the configuration conditions of the air curtain device. In addition, a recovery device can be arranged below the air curtain device to recover residual air flow, so that the influence of the residual air flow on the air flow velocity in the air curtain area is avoided.
The factory building monitoring data are obtained through monitoring equipment and various sensor equipment arranged in the factory building, working conditions of equipment and personnel are determined through the factory building monitoring data, one or more first areas are determined according to the working conditions of the equipment and the personnel, adjacent first areas with similar second preset temperatures are combined, a second area is determined, and whether the air curtain device is started or not is judged by comparing the first total energy consumption W 1 of air conditioner air supply under the starting state of the air curtain device around the first area and the second area with the second total energy consumption W 2 of integral air supply when the air curtain device is not used. When the air curtain device is determined to be used, each first area is determined to be an air curtain area, segmentation verification is carried out on the second area, and one or more air curtain areas are determined on the basis of the second area. And determining the operation parameters of each air curtain device according to the second recommended temperature of the first area in each air curtain area and the recommended temperature outside the air curtain area.
And determining a first preset temperature of the air curtain area based on the outdoor temperature and a second recommended temperature of the first area in the air curtain area, and when the actual temperature of the air curtain area reaches the first preset temperature, adjusting the air speed of the air outlet to enable each first area in the air curtain area to reach the corresponding second recommended temperature.
In addition, when the first area is a working area where people work, the body sensing temperature of each person can reach the corresponding preset temperature by adjusting the air outlet angle and the opening length of the fan blade of the air outlet; when equipment exists in the first area, when the temperature of equipment parts is abnormal, cooling and heat dissipation are assisted by adjusting the angle of the air outlet.
Fig. 2 shows a flow chart of a method of determining a first region and/or a second region according to the invention.
As shown in fig. 2, according to an embodiment of the present invention, analyzing according to plant monitoring data to determine one or more first areas and/or second areas includes:
S202, analyzing according to plant monitoring data, marking a working area where started equipment and/or staff are located as a first area, and determining area coordinates of the first area;
S204, determining a second preset temperature of the first area according to equipment information of the started equipment and/or identity information of staff;
and S206, when a plurality of first areas exist, merging the first areas according to the area coordinates of each first area and the second preset temperature to obtain one or more second areas.
It should be noted that, the starting condition of the equipment in each working area in the factory building and whether the staff exists can be determined through the monitoring equipment (camera, sensor and the like) arranged in the factory building, so that the first area is marked. When only the started equipment exists in the first area, the recommended working temperature interval of the equipment can be determined according to the equipment information of the started equipment, the second preset temperature of the current first area is determined by combining the outdoor temperature, and the difference value between the second preset temperature and the outdoor temperature meets the preset temperature difference value interval of the system, such as 5-10 ℃. When only the started equipment exists in the first area, the preset temperature of the staff member can be determined according to the identity information of the staff member, so that the second preset temperature of the current first area is determined. The preset temperature of the staff in the refrigerating state is set to be 26 ℃, and the preset temperature of the staff can be adjusted by the staff. For the area where the started equipment and the staff exist at the same time, if the preset temperature of the staff is within the recommended working temperature range of the started equipment, determining the second preset temperature of the current first area according to the preset temperature of the staff; otherwise, setting the second preset temperature of the current first area at the maximum value or the minimum value of the recommended working temperature interval of the started equipment close to the preset temperature of the staff.
When a plurality of first areas exist in the factory building, the first areas can be combined according to the relative distance and/or the relative temperature difference value between the adjacent first areas, so that one or a plurality of second areas are obtained. The values of the relative distance and the relative temperature difference are set by the system or by a person skilled in the art.
Fig. 3 is a flowchart of a method for judging the starting condition of an air curtain device according to the present invention.
As shown in fig. 3, according to an embodiment of the present invention, each first area or each second area is analyzed in turn, and the sum of air curtain air supply energy consumption W f (i) of the air curtain device and air conditioner air supply energy consumption W k (j) of the air outlet when all the first area and/or the second area edge air curtain devices are started to perform air conditioner air supply is calculated, so as to obtain first total energy consumption W 1 of air conditioner air supply; comparing the first total energy consumption W 1 with the second total energy consumption W 2 of the whole air supply, judging whether the starting condition of the air curtain device is met, and comprising:
S302, calculating air curtain air supply energy consumption W f (i) of each air curtain device according to second preset temperatures of areas at two sides of the air curtain;
s304, calculating air-conditioning air-supply energy consumption W k (j) of each air outlet according to the number of the air outlets and the area volume in the first area or the second area;
s306, accumulating the obtained air curtain air supply energy consumption W f (i) and the air conditioner air supply energy consumption W k (j), and determining a first total energy consumption W 1 for starting an air curtain device to perform air conditioner air supply;
s308, calculating the sum of air-conditioning air-supply energy consumption of the corresponding air outlet in the whole air-supply state according to the second preset temperature of each first area, and determining the second total energy consumption W 2 of the whole air-supply;
S310, when W 1＞W2 is carried out, the starting condition of the air curtain device is met; otherwise, the air is not satisfied, and the whole air supply is carried out;
Expressed by the formula:
；
；
；
Wherein s is the area of the air curtain wall formed by the air curtain device, T 1 is the internal temperature of the area, T 2 is the external temperature of the area, Q is the air outlet volume of the air curtain device, V is the area volume of the area corresponding to the air outlet, T 1 is the central air conditioning refrigeration temperature, Q is the air outlet volume of the air outlet, K and K are all influence coefficients, W f (i) is the air curtain air supply energy consumption of the ith air curtain device, W k (j) is the air conditioner air supply energy consumption of the jth air outlet, n is the number of the air curtain devices, and m is the number of the air outlets.
It should be noted that, in order to ensure the isolation effect of the air curtain wall, the air outlet of each air curtain device is adjusted according to the preset temperatures of the two side areas of the air curtain device, so as to achieve the purpose of adjusting the temperatures of different areas, and the larger the difference value of the preset temperatures of the two sides of the air curtain device is, the larger the air outlet of the air curtain device is. When the area surrounded by the air curtain device is the first area, t 1 is the second preset temperature of the first area; when the enclosed area is the second area, t 1 is the second preset temperature of the air curtain device adjacent to the first area. When the area surrounded by the air curtain device is adjacent to other first or second areas, t 2 is the second preset temperature of the adjacent first areas; conversely, t 2 is the room temperature. The central air conditioning refrigeration temperature T 1 is determined according to the lowest temperature in the first or second area, namely, the maximum air output of the air outlet is ensured to meet the current regulation and control requirement of the preset temperature of the first or second area.
Under the condition of integral air supply, air flow exists between adjacent areas, so that each area possibly cannot reach corresponding first or second preset temperature, temperature influence factors between the adjacent areas are calculated according to air flow rates between the adjacent areas, based on a recommended working temperature interval of started equipment and the temperature influence factors between the adjacent areas, the recommended temperature of workers in each area is combined, the central air conditioning refrigeration temperature T 1 and the preset temperature of each area are determined, air conditioning air supply energy consumption of an air outlet of each area is calculated, and finally second total energy consumption W 2 under the condition of integral air supply is determined. Whether the air curtain device is determined or not is selected by comparing the first total energy consumption W 1 of the air conditioner air supply by starting the air curtain device with the second total energy consumption W 2 of the whole air supply.
In addition, when the preset temperature difference level of the two adjacent areas is larger, the air curtain device between the two adjacent areas can be started to regulate and control the temperatures of the two adjacent areas, so that the temperatures are closer to the corresponding second recommended temperatures.
According to the embodiment of the invention, the segmentation verification is performed on each second area in turn, and the operation parameters of the air curtain area and each air curtain device are determined, including:
Setting each second area as an area to be verified in sequence, performing segmentation verification, and determining one or more segmentation schemes according to second preset temperature and coordinate data of each first area in the area to be verified;
the segmentation scheme comprises at least two segmentation areas, wherein the segmentation areas are first areas or third areas, and the third areas consist of a plurality of adjacent first areas and adjacent non-first areas;
sequentially calculating the sum of the air supply energy consumption of all the division areas in each division scheme, and determining the third total energy consumption of each division scheme;
Filtering a segmentation scheme that the third total energy consumption is greater than the total energy consumption of the region to be verified;
Determining an air curtain area and/or a pending area according to a segmentation scheme with the minimum third total energy consumption;
setting the undetermined area as an area to be verified, and verifying again until the undetermined area does not exist;
And starting the corresponding air curtain devices according to the air curtain areas, and setting the operation parameters of the corresponding air curtain devices according to the first preset temperature of each air curtain area.
It should be noted that, the second area is formed by a plurality of first areas, when the temperature difference between adjacent first areas is greater than the preset threshold value of the system or the relative distance is greater than the preset distance of the system, the position of the air curtain device between the adjacent first areas is marked by using a dividing line, and at least one side of the dividing line is adjacent to the first areas. After all adjacent first areas are analyzed, the second area is divided into at least two divided areas according to the existing dividing lines, each divided area at least comprises a first area or a third area, the third area is composed of a plurality of first areas and non-first areas, and the edge position of the third area is generally the first area.
The segmentation scheme is determined according to the relative distance and/or the relative temperature difference between the adjacent first areas in the second area, and the relative distance and the relative temperature difference used in the judgment process are smaller than the judgment value when the first areas are combined. Determining third total energy consumption of the segmentation scheme according to air curtain air supply energy consumption and air conditioner air supply energy consumption of each segmentation region in the segmentation scheme, and comparing the third total energy consumption of the segmentation scheme with the total energy consumption of the region to be verified, wherein the total energy consumption of the region to be verified is the sum of the air curtain air supply energy consumption of all air curtain devices and the air conditioner air supply energy consumption of all air outlets in the current second region before the current second region is segmented. If the third total energy consumption of the segmentation scheme is smaller than the total energy consumption of the region to be verified, the segmentation condition is met, the second region is segmented, and if the segmentation region is the first region, the segmentation region is determined to be an air curtain region; otherwise, determining the air curtain device as the area to be determined, verifying the area to be determined by reducing or maintaining the judgment value of the current relative distance and the relative temperature difference value, finally determining the opening condition of each air curtain device in the range of the second area, and determining the operation parameters of each air curtain device, such as air output, air output power and the like, through the first preset temperature in the air curtain area and the recommended temperature in the area at the other side of each air curtain device. The first preset temperature is determined according to a second recommended temperature of the first area in the air curtain area.
According to the embodiment of the invention, each second area is set as an area to be verified and subjected to segmentation verification, and one or more segmentation schemes are determined according to the second preset temperature and coordinate data of each first area in the area to be verified, and the method comprises the following steps:
when the second preset temperature difference value between the adjacent first areas is larger than the first preset threshold value, the segmentation condition is met;
and when the interval distance between the adjacent first areas is larger than a second preset threshold value, the segmentation condition is met.
In the process of dividing and verifying the second area, subtracting the second preset temperature of the adjacent first areas to determine a second preset temperature difference value between the adjacent first areas, determining the interval distance between the adjacent first areas according to the central coordinates of the adjacent first areas, comparing the second preset temperature difference value and the interval distance with a first preset threshold value and a second preset threshold value respectively, and judging whether the dividing condition is met between the current adjacent first areas. Wherein the first preset threshold and the second preset threshold are set by a person skilled in the art according to actual requirements.
According to an embodiment of the present invention, further comprising:
Calculating a difference value between a second preset temperature and a room temperature of each first area in the air curtain area;
Taking the second preset temperature of the first area corresponding to the minimum difference value as the first preset temperature of the air curtain area;
and adjusting the first preset temperature of the air curtain area based on the adjustment coefficient a.
It should be noted that, the first preset temperature in the air curtain area is the difference value between the second preset temperature in the first or second area in the air curtain area and the adjustment coefficient a, the value of the adjustment coefficient a is determined according to the difference value between the second preset temperature in the first or second area in the air curtain area and the room temperature, the value range of the adjustment coefficient a is (-5, 5 ℃), and the larger the difference value between the second preset temperature and the room temperature is, the larger the adjustment coefficient a is; the smaller the difference, the smaller the adjustment coefficient a. When the air curtain area consists of a plurality of first areas, as the second preset temperatures of the first areas may have differences, the first preset temperature of the air curtain area is determined by the second preset temperature of the first area corresponding to the minimum difference, and the temperature of each first area is close to the corresponding second preset temperature by adjusting the air outlet of each first area.
According to the embodiment of the invention, when the actual temperature of the air curtain area reaches the first preset temperature, the air outlet parameters of the corresponding air outlets are adjusted according to the coordinate data of each person in each first area in the air curtain area, and the method comprises the following steps:
determining coordinate data of each person in the first area according to the plant monitoring data;
the air outlet coordinates are taken as the origin of coordinates, analysis is carried out according to the coordinate data of each person, and the air supply range of each person is determined according to the preset range;
combining the air supply ranges with the overlapping air supply ranges to determine one or more air supply areas;
adjusting the fan blades of the air outlet based on the number of the air supply areas and one or more air supply areas;
determining the furthest air supply distance according to the relative distance between each person coordinate data and the air outlet coordinate;
and determining the wind speed according to the furthest air supply distance, and adjusting the opening length of the fan blade corresponding to each air supply area.
When the parameters of the air outlet of the office area of the person are adjusted, the recommended temperature of each person is determined according to the identity information of each person, the air outlet angle of the fan blade of the air outlet is adjusted according to the distribution condition of the person, so that each person can feel air flow as far as possible, the preset range is adjusted by the system according to the relative distance between the coordinate data of the person and the coordinate of the air outlet, for example, when the relative distance is 3 meters, the preset range is about + -15 degrees of the direction of the person; when the relative distance is 4 meters, the preset range is about + -10 DEG of the direction of the person. And the opening length of the corresponding part of the fan blades is adjusted according to the relative distance between the coordinate data of each person and the coordinate of the air outlet, the air outlet speed of the air outlet is adjusted by taking the furthest air supply distance as a reference, the temperature of the person corresponding to the furthest air supply distance is close to the preset temperature set by the person, the final air outlet speed of the air outlet is determined, and the starting length of the fan blades corresponding to other persons is adjusted on the basis, so that each person can feel the proper temperature of the body. In addition, the air outlet speed of the air outlet can be determined according to the minimum preset temperature set by personnel in the area.
According to an embodiment of the present invention, further comprising:
Starting a thermal imaging detection device based on a preset time interval to acquire a thermal imaging image of the started device;
Analyzing according to the equipment structure and the thermal imaging image of the started equipment, judging whether the working temperature of each part in the started equipment meets a corresponding recommended working temperature interval, carrying out abnormal marking on the parts which do not meet, and determining abnormal parts and abnormal coordinate data;
adjusting the air outlet angle of the air outlet according to the abnormal coordinate data;
And adjusting the wind outlet speed according to the actual temperature of the abnormal part and the corresponding recommended working temperature interval.
It should be noted that, when the device is abnormally overheated in the working process, the air conditioner air outlet can be used for carrying out auxiliary cooling, under the working state of the device, the thermal imaging detection device is started at fixed time according to the preset time interval set by a person skilled in the art to acquire the thermal imaging image of the started device, the device structure of the device can be determined by combining the detection image data of the device with the device three-dimensional model in the system, and by combining the thermal imaging image of the device, the working temperature of each part of the device under the current time can be determined, and each part is respectively compared with the corresponding recommended working temperature interval, so that whether the abnormality exists is determined. When abnormality exists, the air outlet angle of the air outlet is adjusted according to the coordinate data of the abnormal component, and the abnormal component is blown by adjusting the air outlet speed of the air outlet, so that the aim of assisting in cooling is fulfilled. In the auxiliary cooling process, the air outlet speed of the air outlet is adjusted according to the real-time temperature of the abnormal component fed back by the thermal imaging detection equipment, and the temperature fluctuation range in the current area caused by the excessively high air outlet speed is reduced to a certain extent. In addition, in the case of heating by an air conditioner, the auxiliary equipment may be preheated by blowing air to the components to be preheated.
According to an embodiment of the present invention, further comprising:
when the actual temperature of the abnormal part is greater than the maximum value of the recommended working temperature interval, the air outlet speed is the maximum value;
otherwise, calculating an adjustment coefficient b;
；
Wherein T s is the actual temperature of the abnormal part, T z is the intermediate value of the recommended working temperature interval of the abnormal part, and T max and T min are the maximum value and the minimum value of the recommended working temperature interval of the abnormal part respectively;
When the adjustment coefficient b is greater than or equal to a third preset threshold value, adjusting the air outlet speed of the air outlet according to the adjustment coefficient b;
when the adjustment coefficient b is smaller than a third preset threshold value, controlling the air outlet to recover the normal air outlet state, and canceling the abnormal mark of the abnormal part.
When the abnormal component works in a state that the actual temperature is larger than the maximum value of the recommended working temperature interval, the component is easy to damage, so that the temperature of the abnormal component needs to be adjusted to be within the range of the recommended working temperature interval in the shortest time, namely, the first node for assisting in cooling, the air outlet angle of the air outlet is adjusted, and the air outlet is controlled to supply air according to the maximum air outlet angle; when the actual temperature of the abnormal part is reduced to be below the maximum value of the recommended working temperature interval, entering a second stage of auxiliary cooling, calculating an adjustment coefficient b through the real-time temperature of the abnormal part, and adjusting the air outlet velocity of the air outlet based on the adjustment coefficient b. The third preset threshold interval is set by a person skilled in the art according to actual requirements.
Fig. 4 shows a block diagram of a plant air conditioning control system of the present invention.
As shown in fig. 4, a second aspect of the present invention provides a plant air conditioner control system, including:
the data acquisition module is used for acquiring plant monitoring data;
The area analysis module is used for analyzing according to the plant monitoring data and determining one or more first areas and/or second areas;
the judging module is used for sequentially analyzing each first area or each second area, calculating the sum of air curtain air supply energy consumption W f (i) of the air curtain devices and air conditioner air supply energy consumption W k (j) of the air outlet when all the first area and/or the second area edge air curtain devices are started to perform air conditioner air supply, and obtaining first total energy W 1 of air conditioner air supply; comparing the first total energy consumption W 1 with the second total energy consumption W 2 of the whole air supply, and judging whether the starting condition of the air curtain device is met or not;
The first adjusting module is used for sequentially carrying out segmentation verification on each second area if the first adjusting module meets the first adjusting module, and determining the air curtain area and the operation parameters of each air curtain device;
And the second adjusting module is used for adjusting the air outlet parameters of the corresponding air outlets according to the coordinate data of each person in each first area in the air curtain area when the actual temperature of the air curtain area reaches the first preset temperature.
A third aspect of the present invention provides a computer-readable storage medium, the computer-readable storage medium including a plant air conditioner control method program, which when executed by a processor, implements the steps of a plant air conditioner control method as described above.
The invention discloses a control method and a system for an air conditioner of a factory building, wherein the method comprises the following steps: determining a first area and/or a second area according to plant monitoring data; analyzing each first area or each second area in sequence, and calculating the sum of air curtain air supply energy consumption W f (i) of each air curtain device and air conditioner air supply energy consumption W k (j) of each air outlet when the air curtain device is started to obtain first total energy consumption W 1 of air conditioner air supply; comparing the first total energy consumption W 1 with the second total energy consumption W 2, and judging whether the starting condition of the air curtain device is met; performing segmentation verification on the second area, and determining the air curtain area and the operation parameters of each air curtain device; when the actual temperature of the air curtain area reaches a first preset temperature, the air outlet parameters of the corresponding air outlets are adjusted according to the coordinate data of each person in the air curtain area. The air curtain device is used for dividing the area where the working equipment or personnel exist, regulating and controlling the air outlet of the air conditioner in the air curtain area, and improving the energy utilization efficiency.
In the several embodiments provided by the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above described device embodiments are only illustrative, e.g. the division of the units is only one logical function division, and there may be other divisions in practice, such as: multiple units or components may be combined or may be integrated into another system, or some features may be omitted, or not performed. In addition, the various components shown or discussed may be coupled or directly coupled or communicatively coupled to each other via some interface, whether indirectly coupled or communicatively coupled to devices or units, whether electrically, mechanically, or otherwise.
The units described above as separate components may or may not be physically separate, and components shown as units may or may not be physical units; can be located in one place or distributed to a plurality of network units; some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in each embodiment of the present invention may be integrated in one processing unit, or each unit may be separately used as one unit, or two or more units may be integrated in one unit; the integrated units may be implemented in hardware or in hardware plus software functional units.
Those of ordinary skill in the art will appreciate that: all or part of the steps for implementing the above method embodiments may be implemented by hardware related to program instructions, and the foregoing program may be stored in a computer readable storage medium, where the program, when executed, performs steps including the above method embodiments; and the aforementioned storage medium includes: a mobile storage device, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk or optical disk, or the like, which can store program codes.
Or the above-described integrated units of the invention may be stored in a computer-readable storage medium if implemented in the form of software functional modules and sold or used as separate products. Based on such understanding, the technical solutions of the embodiments of the present invention may be embodied in essence or a part contributing to the prior art in the form of a software product stored in a storage medium, including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the methods described in the embodiments of the present invention. And the aforementioned storage medium includes: a removable storage device, ROM, RAM, magnetic or optical disk, or other medium capable of storing program code.
Claims (8)
1. The plant air conditioner control method is characterized by comprising the following steps of:
acquiring plant monitoring data;
analyzing according to the plant monitoring data, and determining one or more first areas and/or second areas;
Analyzing each first area or each second area in sequence, and calculating the sum of air curtain air supply energy consumption W f (i) of the air curtain devices and air conditioner air supply energy consumption W k (j) of air outlets when all the first area and/or the second area edge air curtain devices are started to perform air conditioner air supply, so as to obtain first total energy consumption W 1 of air conditioner air supply; comparing the first total energy consumption W 1 with the second total energy consumption W 2 of the whole air supply, and judging whether the starting condition of the air curtain device is met or not;
If the air curtain area is met, sequentially carrying out segmentation verification on each second area, and determining the air curtain area and the operation parameters of each air curtain device;
when the actual temperature of the air curtain area reaches a first preset temperature, adjusting the air outlet parameters of the corresponding air outlets according to the coordinate data of each person in each first area in the air curtain area;
analyzing according to the plant monitoring data to determine one or more first areas and/or second areas, including:
Analyzing according to the plant monitoring data, marking a working area where started equipment and/or staff are located as a first area, and determining area coordinates of the first area;
determining a second preset temperature of the first area according to the equipment information of the started equipment and/or the identity information of the staff;
when a plurality of first areas exist, merging the first areas according to the area coordinates of each first area and a second preset temperature to obtain one or a plurality of second areas;
Analyzing each first area or each second area in turn, and calculating the sum of air curtain air supply energy consumption W f (i) of the air curtain devices and air conditioner air supply energy consumption W k (j) of the air outlets when all the first area and/or the second area edge air curtain devices are started to perform air conditioner air supply, so as to obtain first total energy consumption W 1 of air conditioner air supply; comparing the first total energy consumption W 1 with the second total energy consumption W 2 of the overall air supply, and judging whether the air curtain device starting condition is met, including:
calculating air curtain air supply energy consumption W f (i) of each air curtain device according to the second preset temperature of the areas at the two sides of the air curtain;
calculating air-conditioning air-supply energy consumption W k (j) of each air outlet according to the number of the air outlets in the first area or the second area and the area volume;
Accumulating the obtained air curtain air supply energy consumption W f (i) and the air conditioner air supply energy consumption W k (j), and determining the first total energy consumption W 1 for starting the air curtain device to perform air conditioner air supply;
Calculating the sum of air-conditioning air-supply energy consumption of the corresponding air outlet in the whole air-supply state according to the second preset temperature of each first area, and determining the second total energy consumption W 2 of the whole air-supply;
when W 1＞W2 is carried out, the starting condition of the air curtain device is met; otherwise, the air is not satisfied, and the whole air supply is carried out;
Expressed by the formula:
；
；
；
Wherein s is the area of the air curtain wall formed by the air curtain device, T 1 is the internal temperature of the area, T 2 is the external temperature of the area, Q is the air outlet volume of the air curtain device, V is the area volume of the area corresponding to the air outlet, T 1 is the central air conditioning refrigeration temperature, Q is the air outlet volume of the air outlet, K and K are all influence coefficients, W f (i) is the air curtain air supply energy consumption of the ith air curtain device, W k (j) is the air conditioner air supply energy consumption of the jth air outlet, n is the number of the air curtain devices, and m is the number of the air outlets.
2. The plant air conditioner control method according to claim 1, wherein the sequentially performing the division verification on each second area to determine the air curtain area and the operation parameters of each air curtain device includes:
Setting each second area as an area to be verified in sequence, performing segmentation verification, and determining one or more segmentation schemes according to second preset temperature and coordinate data of each first area in the area to be verified;
The segmentation scheme comprises at least two segmentation areas, wherein the segmentation areas are first areas or third areas, and the third areas consist of a plurality of adjacent first areas and adjacent non-first areas;
sequentially calculating the sum of the air supply energy consumption of all the division areas in each division scheme, and determining the third total energy consumption of each division scheme;
Filtering a segmentation scheme with the third total energy consumption being greater than the total energy consumption of the region to be verified;
Determining an air curtain area and/or a pending area according to a segmentation scheme with the minimum third total energy consumption;
setting the undetermined area as an area to be verified, and verifying again until the undetermined area does not exist;
And starting the corresponding air curtain devices according to the air curtain areas, and setting the operation parameters of the corresponding air curtain devices according to the first preset temperature of each air curtain area.
3. The plant air conditioner control method according to claim 2, wherein the setting each second area as an area to be verified and performing segmentation verification, determining one or more segmentation schemes according to the second preset temperature and coordinate data of each first area in the area to be verified, includes:
when the second preset temperature difference value between the adjacent first areas is larger than the first preset threshold value, the segmentation condition is met;
and when the interval distance between the adjacent first areas is larger than a second preset threshold value, the segmentation condition is met.
4. The plant air conditioner control method according to claim 2, further comprising:
Calculating a difference value between a second preset temperature and a room temperature of each first area in the air curtain area;
Taking the second preset temperature of the first area corresponding to the minimum difference value as the first preset temperature of the air curtain area;
And adjusting the first preset temperature of the air curtain area based on the adjustment coefficient a.
5. The plant air conditioner control method according to claim 1, wherein when the actual temperature of the air curtain area reaches the first preset temperature, adjusting the air outlet parameter of the corresponding air outlet according to the coordinate data of each person in each first area in the air curtain area comprises:
determining coordinate data of each person in the first area according to the plant monitoring data;
the air outlet coordinates are taken as the origin of coordinates, analysis is carried out according to the coordinate data of each person, and the air supply range of each person is determined according to the preset range;
combining the air supply ranges with the overlapping air supply ranges to determine one or more air supply areas;
Adjusting the fan blades of the air outlet based on the number of the air supply areas and the one or more air supply areas;
determining the furthest air supply distance according to the relative distance between each person coordinate data and the air outlet coordinate;
and determining the wind speed according to the furthest air supply distance, and adjusting the opening length of the fan blade corresponding to each air supply area.
6. The plant air conditioner control method according to claim 1, further comprising:
Starting a thermal imaging detection device based on a preset time interval to acquire a thermal imaging image of the started device;
analyzing according to the equipment structure and the thermal imaging image of the started equipment, judging whether the working temperature of each part in the started equipment meets a corresponding recommended working temperature interval, carrying out abnormal marking on the parts which do not meet, and determining abnormal parts and abnormal coordinate data;
adjusting the air outlet angle of the air outlet according to the abnormal coordinate data;
And adjusting the wind outlet speed according to the actual temperature of the abnormal part and the corresponding recommended working temperature interval.
7. The plant air conditioner control method according to claim 6, further comprising:
when the actual temperature of the abnormal part is greater than the maximum value of the recommended working temperature interval, the air outlet speed is the maximum value;
otherwise, calculating an adjustment coefficient b;
；
Wherein T s is the actual temperature of the abnormal part, T z is the intermediate value of the recommended working temperature interval of the abnormal part, and T max and T min are the maximum value and the minimum value of the recommended working temperature interval of the abnormal part respectively;
When the adjustment coefficient b is greater than or equal to a third preset threshold value, adjusting the air outlet speed of the air outlet according to the adjustment coefficient b;
when the adjustment coefficient b is smaller than a third preset threshold value, controlling the air outlet to recover the normal air outlet state, and canceling the abnormal mark of the abnormal part.
8. A factory building air conditioner control system, comprising:
the data acquisition module is used for acquiring plant monitoring data;
the area analysis module is used for analyzing according to the plant monitoring data and determining one or more first areas and/or second areas;
The judging module is used for sequentially analyzing each first area or each second area, calculating the sum of air curtain air supply energy consumption W f (i) of the air curtain devices and air conditioner air supply energy consumption W k (j) of the air outlet when all the first area and/or the second area edge air curtain devices are started to perform air conditioner air supply, and obtaining first total energy W 1 of air conditioner air supply; comparing the first total energy consumption W 1 with the second total energy consumption W 2 of the whole air supply, and judging whether the starting condition of the air curtain device is met or not;
The first adjusting module is used for sequentially carrying out segmentation verification on each second area if the first adjusting module meets the first adjusting module, and determining the air curtain area and the operation parameters of each air curtain device;
The second adjusting module is used for adjusting the air outlet parameters of the corresponding air outlets according to the coordinate data of each person in each first area in the air curtain area when the actual temperature of the air curtain area reaches the first preset temperature;
analyzing according to the plant monitoring data to determine one or more first areas and/or second areas, including:
Analyzing according to the plant monitoring data, marking a working area where started equipment and/or staff are located as a first area, and determining area coordinates of the first area;
determining a second preset temperature of the first area according to the equipment information of the started equipment and/or the identity information of the staff;
when a plurality of first areas exist, merging the first areas according to the area coordinates of each first area and a second preset temperature to obtain one or a plurality of second areas;
Analyzing each first area or each second area in turn, and calculating the sum of air curtain air supply energy consumption W f (i) of the air curtain devices and air conditioner air supply energy consumption W k (j) of the air outlets when all the first area and/or the second area edge air curtain devices are started to perform air conditioner air supply, so as to obtain first total energy consumption W 1 of air conditioner air supply; comparing the first total energy consumption W 1 with the second total energy consumption W 2 of the overall air supply, and judging whether the air curtain device starting condition is met, including:
calculating air curtain air supply energy consumption W f (i) of each air curtain device according to the second preset temperature of the areas at the two sides of the air curtain;
calculating air-conditioning air-supply energy consumption W k (j) of each air outlet according to the number of the air outlets in the first area or the second area and the area volume;
Accumulating the obtained air curtain air supply energy consumption W f (i) and the air conditioner air supply energy consumption W k (j), and determining the first total energy consumption W 1 for starting the air curtain device to perform air conditioner air supply;
Calculating the sum of air-conditioning air-supply energy consumption of the corresponding air outlet in the whole air-supply state according to the second preset temperature of each first area, and determining the second total energy consumption W 2 of the whole air-supply;
when W 1＞W2 is carried out, the starting condition of the air curtain device is met; otherwise, the air is not satisfied, and the whole air supply is carried out;
Expressed by the formula:
；
；
；
Wherein s is the area of the air curtain wall formed by the air curtain device, T 1 is the internal temperature of the area, T 2 is the external temperature of the area, Q is the air outlet volume of the air curtain device, V is the area volume of the area corresponding to the air outlet, T 1 is the central air conditioning refrigeration temperature, Q is the air outlet volume of the air outlet, K and K are all influence coefficients, W f (i) is the air curtain air supply energy consumption of the ith air curtain device, W k (j) is the air conditioner air supply energy consumption of the jth air outlet, n is the number of the air curtain devices, and m is the number of the air outlets.
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| CN112325419A (en) * | 2020-12-10 | 2021-02-05 | 中铁建设集团有限公司 | Traffic building indoor environment control system based on comprehensive monitoring and operation method thereof |
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