Intelligent building automatic control system and method

Abstract

The present invention discloses an intelligent building automatic control system and method, wherein the method comprises: dividing a building into a number of sub-areas, and collecting outdoor environmental data and indoor environmental parameters of the sub-areas to obtain environmental parameters; setting area levels for the sub-areas according to the distribution status of personnel and equipment, and obtaining adjustment parameters of the sub-areas according to the area levels and environmental parameters; setting equipment levels for a number of devices, and obtaining signal transmission levels of the adjustment parameters in combination with the equipment levels; transmitting the adjustment parameters to a central control module in sequence according to the signal transmission levels, and controlling a number of devices in the sub-areas according to the adjustment parameters. The present invention relates to the field of building control technology, and solves the technical problems that the existing building automatic control system is difficult to accurately adapt to the complex and changeable environmental requirements of each sub-area, the energy waste is serious, and the signal transmission is easy to be congested, resulting in slow system response and poor stability.

Description

Technical Field

[0001] The present invention belongs to the field of intelligent buildings, relates to automatic control technology, and specifically is an intelligent building automatic control system and method. Background Art

[0002] In the field of modern construction, as the scale of buildings continues to expand, their functions are becoming more and more complex. Traditional manual management methods are difficult to meet the needs of efficient control of various types of equipment. The building automation system integrates various types of equipment in the building, such as lighting, air conditioning, water supply and drainage, elevators, etc. into a unified platform to achieve centralized management and automated control, which greatly improves management efficiency and reduces labor costs. Through automated procedures, the building automation system can accurately control the start, stop, adjustment and switching of equipment to ensure stable operation of the equipment, provide a comfortable environment for people in the building, and ensure the normal development of various activities.

[0003] However, existing building automation systems are often controlled based on pre-set fixed parameters and operating modes, and are unable to respond to the complex and ever-changing actual needs of buildings in real time. Due to the significant differences in the functional positioning, personnel activity patterns and equipment density of different areas in the building, fixed control parameters are difficult to meet the differentiated needs of each area. For example, densely populated conference rooms have high requirements for air conditioning temperature and ventilation volume to ensure air quality; equipment rooms with concentrated equipment have strict requirements for temperature and humidity control accuracy. However, the traditional system adopts a unified standard, resulting in poor environmental quality in some areas, which wastes energy and cannot meet usage needs. In terms of the lighting system, regardless of the number of people in the room and the actual light intensity, it always operates according to a fixed brightness value, and does not automatically reduce the brightness when there is sufficient light during the day, resulting in a waste of electricity.

[0004] At the same time, in a building automatic control system that includes multiple sub-control systems and is associated with numerous devices, when multiple devices need to transmit adjustment parameters at the same time, if there is no reasonable signal transmission mechanism, it is very easy to cause congestion in the transmission channel, which will not only affect the timely transmission of device control instructions, but may also cause the system to respond slowly and be unable to respond quickly to environmental changes, thereby affecting the operating efficiency and stability of the entire system, thereby affecting the normal operation of the building. Summary of the invention

[0005] The present invention aims to solve at least one of the technical problems existing in the prior art; to this end, the present invention proposes an intelligent building automatic control system and method for solving the technical problem of how to autonomously control the sub-area environment of a building and coordinate the control transmission of communication signals to ensure that the channel is not congested.

[0006] To achieve the above object, the first aspect of the present invention provides an intelligent building automatic control system, comprising: Environmental perception module: used to divide the building into several sub-areas, collect outdoor environmental data and indoor environmental parameters of several sub-areas, and obtain environmental parameters; Parameter optimization module: used to set the regional level for several sub-areas according to the distribution status of personnel and equipment, and obtain the adjustment parameters of several sub-areas according to the regional level and environmental parameters; Signal coordination module: used to set device levels for several devices, obtain the signal transmission level of the adjustment parameters according to the area level and device level of the sub-area, and sequentially transmit the adjustment parameters of several sub-areas according to the signal transmission level; Central control module: used to receive adjustment parameters of several sub-areas and control several devices in the sub-areas according to the adjustment parameters.

[0007] Based on the above-mentioned technical modules, the present invention realizes the intelligence and automation of building environment control; wherein, the environmental perception module is used to collect the environmental parameters of each sub-area to provide basic data for subsequent precise control; the parameter optimization module obtains the adjustment parameters by setting the area level and environmental parameters, and can dynamically adjust the sub-area environment according to the actual situation; the signal coordination module determines the signal transmission order of the adjustment parameters according to the area level and equipment level, avoids channel congestion, ensures the accurate and timely transmission of system control instructions, and maintains the stable operation of the entire building automatic control system; the central control module uniformly receives the adjustment parameters of each sub-area, and controls the equipment in the sub-area accordingly, thereby improving the overall management level and operation efficiency of the building.

[0008] Furthermore, the environmental parameters include outdoor environmental data and indoor environmental parameters; wherein, The outdoor environment data is obtained through the meteorological data service platform, including: outdoor temperature T out and outdoor relative humidity RH out； The indoor environmental parameters are obtained through sensors, including: indoor temperature T in , Indoor relative humidity RH in and light intensity L.

[0009] Furthermore, the setting of area levels for a plurality of sub-areas according to the distribution status of personnel and equipment includes: A1, count the number of personnel P, the total number of equipment N, the number of working equipment M and the area A of the sub-area according to the preset data collection period, and obtain the distribution status of personnel and equipment; A2, set initial levels for several sub-regions based on regional functions ; A3, based on the distribution status of personnel and equipment and the initial level, the real-time regional levels of several sub-areas are obtained using the regional level calculation formula.

[0010] Furthermore, the regional level calculation formula includes: According to the formula Calculate the staff number adjustment coefficient ; Among them, P max Indicates the maximum number of people in the sub-area in historical statistics; According to the formula Calculate the personnel density adjustment coefficient ; Where D=P / A, represents the population density of the sub-area, It represents the average population density of the sub-area in historical statistics; According to the formula Calculate the equipment quantity adjustment coefficient ; The regional level calculation formula obtained based on the personnel quantity adjustment coefficient, personnel density adjustment coefficient and equipment quantity adjustment coefficient is: ; Wherein, R represents the real-time regional level.

[0011] Different areas in a building have significant differences in functions and usage requirements. By setting the regional level according to the real-time distribution of personnel and equipment, the actual usage of each area can be managed differently. Among them, the personnel adjustment coefficient reflects the degree of influence of the total number of personnel in the area on the demand for environmental resources. The more people there are, the greater the change in environmental factors such as temperature and humidity in the space; the personnel density adjustment coefficient reflects the impact of the concentration of personnel per unit area on environmental comfort and functional requirements. A higher personnel density may require stronger ventilation capacity and more adequate lighting to ensure smooth and safe activities of personnel; the equipment quantity adjustment coefficient reflects the degree of influence of the operating status of equipment in the area on environmental parameters and the stability requirements of equipment operation. When the equipment is running, it will generate heat and consume oxygen. The more equipment there is, the greater the heat dissipation of the equipment, and the higher the demand for air conditioning and refrigeration.

[0012] Furthermore, the adjustment parameters of several sub-areas are obtained according to the area level and environmental parameters, including: temperature adjustment parameters, humidity adjustment parameters and light brightness adjustment parameters; wherein, The temperature adjustment parameter is expressed by the formula T target =k T ×(T out -T in )×(G / G max ) is calculated; where T target represents the temperature adjustment parameter, k T represents the temperature adjustment coefficient, G represents the regional level, G max Indicates the highest regional level; The humidity adjustment parameter is given by the formula RHT target=k RH ×(RH out -RH in )×(G / G max ) is calculated; where RHT target represents the humidity adjustment parameter, k RH Indicates the humidity adjustment factor.

[0013] Adjusting environmental parameters according to regional levels can accurately determine the actual needs of the region, improve the stability and reliability of the system, give priority to the environmental needs of high-priority areas, and improve resource utilization efficiency; and by dynamically adjusting temperature, humidity and light brightness, it provides employees with a more comfortable working environment.

[0014] Furthermore, the process of obtaining the light brightness adjustment parameter includes: B1, setting brightness thresholds for several sub-regions to obtain a brightness threshold library; B2, obtain the brightness threshold L of the sub-area according to the brightness threshold library T , and using a photosensitive element to obtain the light intensity L of the illumination area of ​​the sub-area of ​​several lighting devices; wherein the photosensitive element is installed on the lighting device; B3, determine whether the sub-area is a public area; if yes, obtain the light brightness adjustment parameter according to the light brightness adjustment formula; if no, jump to A4; B4, using an infrared device to determine whether there is someone in the sub-area; if yes, obtain the light brightness adjustment parameter according to the light brightness adjustment formula; if no, turn off the lighting device.

[0015] Furthermore, the light brightness adjustment formula is: L target =L B +k B ×(L T -L)×(G / G max ), where L target Indicates the light brightness adjustment parameter, L B Indicates the basic brightness value, k B Indicates the brightness adjustment coefficient.

[0016] In public areas and areas with people, the light brightness is set according to the basic brightness value and the area level. Since the real-time area level of the sub-area is related to the number of people, if there is no one in the public area, that is, the area level is 0, then at this time, just keep the brightness at the basic value; if there are people in the sub-area, set the appropriate light brightness according to the area level and area brightness threshold; and in non-public areas without people, turn off the lighting equipment to meet actual application needs and save energy.

[0017] Furthermore, the step of sequentially transmitting the adjustment parameters of the plurality of sub-regions according to the signal transmission level includes: C1, adding the device level of several devices to the area level of the sub-area where they are located to obtain several signal transmission levels; C2, sorting the signal transmission levels to obtain the current signal sorting; C3, transmits the adjustment parameters to the central control module in sequence according to the signal sorting.

[0018] Furthermore, the signal coordination module also includes setting the signal transmission level of the security equipment and the fire-fighting equipment to the highest level, and when the security equipment or the fire-fighting equipment transmits an alarm signal, the signals of the remaining devices are stored in the signal buffer.

[0019] In building automation systems, there are often multiple devices and multiple subsystems running at the same time. Through the signal coordination module, priority can be given to ensuring that signals from key devices and important areas are transmitted quickly and accurately, avoiding confusion and blockage during signal transmission, improving the efficiency of information interaction, and allowing the system to respond quickly to various environmental changes and control instructions. At the same time, when security equipment or fire-fighting equipment sends an alarm signal, the signal coordination module will immediately activate the emergency response mechanism, temporarily store the signals of other devices in the signal buffer, and process emergency signals at an absolute priority level to ensure that safety-related signals can arrive in time, prevent system failures caused by improper signal processing, and maintain the stable operation of the system.

[0020] A first aspect of the present invention provides an intelligent building automation system, comprising: S1, divide the building into several sub-areas, and collect outdoor environmental data and indoor environmental parameters of several sub-areas to obtain environmental parameters; S2, setting area levels for several sub-areas according to the distribution status of personnel and equipment, and obtaining adjustment parameters of several sub-areas according to the area levels and environmental parameters; S3, setting device levels for a number of devices, and obtaining a signal transmission level for an adjustment parameter according to the area level and the device level of the sub-area; S4, transmitting the adjustment parameters to the central control module in sequence according to the signal transmission level, and controlling several devices in the sub-area according to the adjustment parameters.

[0021] Compared with the prior art, the present invention has the following beneficial effects: The present invention uses a formula to calculate the real-time regional level based on multi-dimensional information such as the number of personnel, the number of equipment, and the density of personnel, which can reflect the actual use status and importance of each sub-region, thereby achieving refined management of different regions; The present invention calculates the temperature, humidity and light brightness adjustment parameters through formulas based on the real-time regional level and environmental parameters to achieve intelligent decision-making. The temperature and humidity adjustment fully considers the indoor and outdoor temperature difference and regional level, and can flexibly adjust environmental parameters according to the actual needs of different regions to adapt to changes in regional functions and personnel activities; the light brightness adjustment comprehensively considers factors such as regional attributes, personnel presence, regional level and brightness threshold, maintains basic brightness when no one is in the public area, adjusts the brightness as needed when someone is there, and turns off the lights when no one is in the non-public area, accurately meeting the needs of different scenarios; The signal coordination module of the present invention determines the signal transmission level in combination with the regional level and automatically sorts the transmission adjustment parameters, effectively avoiding signal congestion, ensuring that the system control instructions are accurately and timely transmitted, and maintaining stable operation of the system; and when the security or fire-fighting equipment sends an alarm signal, the signal coordination module automatically stores the remaining equipment signals in the buffer, gives priority to emergency signals, responds quickly to emergencies, ensures building safety, and has high intelligence and reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 A schematic diagram of a flow chart of an intelligent building automatic control method provided by the present invention; Figure 2 A schematic diagram of the framework of an intelligent building automatic control system provided by the present invention; Figure 3 The present invention provides a flow chart of light brightness adjustment in an intelligent building automatic control system. DETAILED DESCRIPTION

[0024] The technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] See also Figure 1-Figure 3 The first aspect of the present invention provides an intelligent building automation system, comprising: Environmental perception module: used to divide the building into several sub-areas, collect outdoor environmental data and indoor environmental parameters of several sub-areas, and obtain environmental parameters; Parameter optimization module: used to set the regional level for several sub-areas according to the distribution status of personnel and equipment, and obtain the adjustment parameters of several sub-areas according to the regional level and environmental parameters; Signal coordination module: used to set device levels for several devices, obtain the signal transmission level of the adjustment parameters according to the area level and device level of the sub-area, and sequentially transmit the adjustment parameters of several sub-areas according to the signal transmission level; Central control module: used to receive adjustment parameters of several sub-areas and control several devices in the sub-areas according to the adjustment parameters.

[0026] It should be noted that the environment perception module, parameter optimization module, signal coordination module and central control module of the present invention are communicatively connected.

[0027] Building automation systems integrate various types of equipment in a building into a unified platform for centralized management, and use automated programs to achieve precise automatic start and stop, flexible adjustment, and smooth switching of equipment. However, existing building automation systems usually operate according to pre-set fixed parameters and operating modes, making it difficult to match the complex and changing actual needs of the building in real time.

[0028] Due to the different functional positioning, personnel activity patterns and equipment density of different areas in the building, the control parameters of their equipment should also be different. For example, a conference room with a large number of people needs to adjust the air conditioning temperature and ventilation volume more frequently to ensure air quality; while a computer room with concentrated equipment requires higher control accuracy for temperature and humidity; Therefore, in this embodiment, the building is divided into several sub-areas according to the regional functions or uses through the environmental perception module; and high-precision sensors are used to comprehensively collect outdoor environmental data, such as temperature T out , humidity RH out etc., as well as the indoor environmental parameters of each sub-area, including personnel distribution, equipment operation status, real-time temperature and humidity information (such as indoor temperature T in , Indoor relative humidity RH in and light intensity L), and obtain rich environmental parameters, providing a basis for subsequent more reasonable and intelligent control of building equipment.

[0029] In traditional building control systems, each subsystem is usually automatically controlled based on fixed values. Since it cannot cope with the complex and changeable actual environment and usage requirements in the building, it is very easy to cause energy waste. For example, regardless of the number of people in the room and the actual light intensity, the lighting system always operates according to a fixed brightness value. When there is sufficient light during the day, it will not automatically reduce the brightness, which will consume more electricity; the same is true for the air-conditioning system. Regardless of the temperature difference between indoor and outdoor and the changes in the density of people, it maintains fixed cooling or heating parameters, which wastes energy and makes it difficult to ensure indoor comfort. In addition, fixed parameter settings cannot meet the differentiated needs of different areas. For example, crowded conference rooms and empty corridors have completely different requirements for temperature, humidity and lighting, but traditional control systems use the same parameter standards, making the environmental quality of some areas unable to reach the ideal state.

[0030] Therefore, the parameter optimization module in this embodiment performs refined energy allocation and equipment operation strategy planning for each sub-region according to the regional level and real-time environmental parameters of different sub-regions; Specifically, in order to reasonably set the regional levels of different sub-areas, by setting the data collection cycle, using high-precision sensors, smart cameras and equipment operation status monitoring terminals distributed in each sub-area, the distribution status of personnel and equipment in the sub-area is collected to provide comprehensive and accurate data support for the subsequent regional level division.

[0031] In one implementation, to set the real-time region level for a plurality of sub-regions, the following steps may be used: A1, count the number of personnel P, the total number of equipment N, the number of working equipment M and the area A of the sub-area according to the preset data collection period, and obtain the distribution status of personnel and equipment; A2, set initial levels for several sub-regions based on regional functions ; A3, using the regional level calculation formula Get the real-time regional level R of several sub-regions; where, represents the staff number adjustment coefficient, represents the personnel density adjustment coefficient, Indicates the equipment quantity adjustment factor; and , , , P max Indicates the maximum number of people in the sub-area in historical statistics, D=P / A, indicates the density of people in the sub-area, Represents the average population density of the sub-area in historical statistics.

[0032] In the regional level calculation formula, the three coefficients respectively represent the impact of the number of personnel, personnel density, and actual operation of equipment on the determination of regional level. Generally speaking, the more personnel, the greater the personnel density, or the more equipment in operation in an area, the higher the requirements for energy supply, environmental comfort, and equipment operation stability, so a higher level needs to be set; and in the building scenario, the number of personnel in a sub-area cannot always remain unchanged, and it changes dynamically with time, activity arrangements, and other factors. Therefore, through the preset data collection cycle, the personnel and equipment data of the area are regularly collected to judge the real-time level of the area, which can capture the changes in the regional status in a timely and accurate manner, so that the energy distribution and equipment operation strategies can be flexibly adjusted according to the real-time level, so as to achieve more intelligent building automatic control management.

[0033] In the parameter adjustment module, the adjustment parameters of the sub-area are calculated according to the real-time area level and environmental parameters, which is the core of this system.

[0034] Specifically, in terms of temperature regulation, the formula T target =k T ×(T out -T in )×(G / G max ), the system can obtain the dynamically adjusted temperature control parameter T target ; where k T It indicates the temperature adjustment coefficient, which is set according to practical experience and is generally between 0.3 and 0.5. G indicates the regional level. max Indicates the highest regional level; When the real-time regional level of a sub-area is high, such as a crowded conference room, the G value is relatively large. When the indoor and outdoor temperature difference is constant, T target The G value will increase accordingly, which means that the air conditioning system needs to provide more cooling or heating to meet the comfort temperature requirements of the people in the area. For sub-areas with lower area levels, such as storage rooms, the G value is small or even 0, so the system will reduce the cooling or heating amount, or not turn on the temperature control system to avoid excessive energy consumption. In terms of humidity regulation, the formula RHT target =k RH ×(RH out -RH in )×(G / G max ) Calculate the humidity adjustment parameter RHT target ; where k RH It represents the humidity adjustment coefficient, which is set based on historical experience and is usually less than 0.5; For the adjustment of light brightness, different areas have different functions, and the appropriate range of brightness required is also different; therefore, it is necessary to set reasonable brightness control parameters according to the function of the area and whether there are people in the area; specifically, the process of obtaining light brightness adjustment parameters includes: B1, setting brightness thresholds for several sub-regions to obtain a brightness threshold library; B2, obtaining a brightness threshold LT of the sub-region according to the brightness threshold library, and obtaining the light intensity L of the illumination area of ​​the sub-region by using a photosensitive element; wherein the photosensitive element is installed on the illumination device; B3, determine whether the sub-area is a public area; if yes, obtain the light brightness adjustment parameter according to the light brightness adjustment formula; if no, jump to A4; B4, using an infrared device to determine whether there is someone in the sub-area; if yes, then obtain the light brightness adjustment parameter according to the light brightness adjustment formula; if no, then turn off the lighting device; The light brightness adjustment formula is: L target =L B +k B ×(L T -L)×(G / G max ), where L target Indicates the light brightness adjustment parameter, L B Indicates the basic brightness value, k B Indicates the brightness adjustment coefficient, which is set based on historical experience.

[0035] Since the real-time area level of a sub-area is closely related to the number of people, when the public area is unmanned, the real-time area level of the area is 0, and the system will maintain the light brightness at the basic brightness value to ensure a certain degree of visibility and avoid unnecessary energy consumption. When there are people in the sub-area, the system will comprehensively consider the area level and the pre-set brightness threshold of the area to set the appropriate light brightness; at the same time, the brightness threshold, as the lighting standard for the area to meet specific functional requirements, will also play a key role in the adjustment process, so that the light brightness can be accurately adapted to the actual use needs of the area; and for unmanned non-public areas, in order to save electricity to the greatest extent, the system will automatically turn off the lighting equipment in the area, realizing the rational allocation and utilization of energy, and effectively improving the overall energy saving level and intelligent management level of the building.

[0036] In a building automation system, there are often multiple sub-control systems, each of which is associated with numerous devices. When multiple devices need to transmit adjustment parameters at the same time, it is very likely to cause congestion in the signal transmission channel, thus affecting the operating efficiency and stability of the entire system.

[0037] In order to effectively resolve the signal transmission congestion problem and ensure that the adjustment parameters can be transmitted accurately and timely, the signal coordination module in this embodiment sets the transmission order of each signal according to the device level and the regional level; Specifically, the process of sequentially transmitting the adjustment parameters of several sub-regions according to the signal transmission level is as follows: C1, the device level of several devices is added to the area level of the sub-area where they are located to obtain several signal transmission levels to reflect the impact of the environment in which the device is located and its own importance on the signal transmission priority; C2, sorting several signal transmission levels and generating the current signal sorting to ensure that high priority signals are in front and low priority signals are in the back; C3, according to the signal sorting results, transmits the adjustment parameters to the central control module in sequence. The central control module processes the adjustment parameters in the order of reception, thereby achieving precise control of each device.

[0038] In addition, the signal coordination module also sets the signal transmission level of security equipment and fire equipment to the highest level. Security and fire equipment are related to the safety of life and property of people in the building, and the timeliness and accuracy of their signals are crucial. In addition, when security equipment or fire equipment transmits an alarm signal, in order to ensure the smooth transmission of key alarm signals, the signals of several other devices will be temporarily stored in the signal buffer. After the alarm signal is transmitted and the channel is idle, it will be taken out from the buffer and transmitted, so as to ensure that the entire building automatic control system can give priority to the normal operation of security and fire functions in an emergency, and maintain the safety and stability of the building.

[0039] A second aspect of the present invention provides an intelligent building automation system, comprising: S1, divide the building into several sub-areas, and collect outdoor environmental data and indoor environmental parameters of several sub-areas to obtain environmental parameters; S2, setting area levels for several sub-areas according to the distribution status of personnel and equipment, and obtaining adjustment parameters of several sub-areas according to the area levels and environmental parameters; S3, setting device levels for a number of devices, and obtaining a signal transmission level for an adjustment parameter according to the area level and the device level of the sub-area; S4, transmitting the adjustment parameters to the central control module in sequence according to the signal transmission level, and controlling several devices in the sub-area according to the adjustment parameters.

[0040] Part of the data in the above formula is calculated by removing the dimension and taking its numerical value. The formula is a formula closest to the actual situation obtained by software simulation of a large amount of collected data; the preset parameters and preset thresholds in the formula are set by technical personnel in this field according to actual conditions or obtained through simulation of a large amount of data.

[0041] Working principle of the present invention: The present invention collects indoor and outdoor environmental parameters of each sub-area of ​​the building through the environmental perception module, combines the distribution status of personnel and equipment, and uses the parameter optimization module to calculate the real-time regional level of each sub-area, and derives the corresponding adjustment parameters accordingly; the signal coordination module determines the signal transmission order according to the equipment level and regional level to ensure that the adjustment parameters can be accurately and timely transmitted to the central control module, thereby realizing precise control of the sub-area equipment and achieving the purpose of intelligent and automated building control.

[0042] The above embodiments are only used to illustrate the technical method of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical method of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical method of the present invention.

Claims

1. An intelligent building automatic control system, characterized in that: include: Environmental perception module: used to divide the building into several sub-areas, collect outdoor environmental data and indoor environmental parameters of several sub-areas, and obtain environmental parameters; Parameter optimization module: used to set the regional level for several sub-areas according to the distribution status of personnel and equipment, and obtain the adjustment parameters of several sub-areas according to the regional level and environmental parameters; Signal coordination module: used to set device levels for several devices, obtain the signal transmission level of the adjustment parameters according to the area level and device level of the sub-area, and sequentially transmit the adjustment parameters of several sub-areas according to the signal transmission level; Central control module: used to receive adjustment parameters of several sub-areas and control several devices in the sub-areas according to the adjustment parameters.

2. The intelligent building automation system according to claim 1, characterized in that: The environmental parameters include outdoor environmental data and indoor environmental parameters; wherein, The outdoor environment data is obtained through the meteorological data service platform, including: outdoor temperature T out and outdoor relative humidity RH out； The indoor environmental parameters are obtained through sensors, including: indoor temperature T in , Indoor relative humidity RH in and light intensity L.

3. The intelligent building automation system according to claim 1, characterized in that: The setting of area levels for a plurality of sub-areas according to the distribution status of personnel and equipment includes: A1, count the number of personnel P, the total number of equipment N, the number of working equipment M and the area A of the sub-area according to the preset data collection period, and obtain the distribution status of personnel and equipment; A2, set initial levels for several sub-regions based on regional functions ; A3, according to the distribution status of personnel and equipment and the initial level, the regional level calculation formula is used to obtain the real-time regional levels of several sub-areas.

4. The intelligent building automatic control system according to claim 3, characterized in that: The regional level calculation formula includes: According to the formula Calculate the staff number adjustment coefficient ; Among them, P max Indicates the maximum number of people in the sub-area in historical statistics; According to the formula Calculate the personnel density adjustment coefficient ; Where D=P / A, represents the population density of the sub-area, It represents the average population density of the sub-area in historical statistics; According to the formula Calculate the equipment quantity adjustment coefficient ; The regional level calculation formula obtained based on the personnel quantity adjustment coefficient, personnel density adjustment coefficient and equipment quantity adjustment coefficient is: ; Wherein, R represents the real-time regional level.

5. The intelligent building automation system according to claim 1, characterized in that: The adjustment parameters include: temperature adjustment parameters, humidity adjustment parameters and light brightness adjustment parameters; wherein, The temperature adjustment parameter is expressed by the formula T target =k T ×(T out -T in )×(G / G max ) is calculated; where T target represents the temperature adjustment parameter, k T represents the temperature adjustment coefficient, G represents the regional level, G max Indicates the highest regional level; The humidity adjustment parameter is given by the formula RHT target =k RH ×(RH out -RH in )×(G / G max ) is calculated; where RHT target represents the humidity adjustment parameter, k RH Indicates the humidity adjustment factor.

6. The intelligent building automatic control system according to claim 5, characterized in that: The process of obtaining the light brightness adjustment parameters includes: B1, setting brightness thresholds for several sub-regions to obtain a brightness threshold library; B2, obtain the brightness threshold L of the sub-area according to the brightness threshold library T , and using a photosensitive element to obtain the light intensity L of the illumination area of ​​the sub-area of ​​several lighting devices; wherein the photosensitive element is installed on the lighting device; B3, determine whether the sub-area is a public area; if yes, obtain the light brightness adjustment parameter according to the light brightness adjustment formula; if no, jump to A4; B4, using an infrared device to determine whether there is someone in the sub-area; if yes, obtain the light brightness adjustment parameter according to the light brightness adjustment formula; if no, turn off the lighting device.

7. The intelligent building automatic control system according to claim 6, characterized in that: The light brightness adjustment formula is: L target =L B +k B ×(L T -L)×(G / G max ), where L target Indicates the light brightness adjustment parameter, L B Indicates the basic brightness value, k B Indicates the brightness adjustment coefficient.

8. The intelligent building automatic control system according to claim 1, characterized in that: The step of sequentially transmitting the adjustment parameters of the plurality of sub-regions according to the signal transmission level includes: C1, adding the device level of several devices to the area level of the sub-area where they are located to obtain several signal transmission levels; C2, sorting the signal transmission levels to obtain the current signal sorting; C3, transmits the adjustment parameters to the central control module in sequence according to the signal sorting.

9. The intelligent building automation system according to claim 1, characterized in that: The signal coordination module also includes setting the signal transmission level of the security equipment and the fire fighting equipment to the highest level, and when the security equipment or the fire fighting equipment transmits an alarm signal, the signals of the remaining devices are stored in the signal buffer.

10. An intelligent building automatic control method, applied to an intelligent building automatic control system according to any one of claims 1 to 9, characterized in that: include: S1, divide the building into several sub-areas, and collect outdoor environmental data and indoor environmental parameters of several sub-areas to obtain environmental parameters; S2, setting area levels for several sub-areas according to the distribution status of personnel and equipment, and obtaining adjustment parameters of several sub-areas according to the area levels and environmental parameters; S3, setting device levels for a number of devices, and obtaining a signal transmission level for an adjustment parameter according to the area level and the device level of the sub-area; S4, transmitting the adjustment parameters to the central control module in sequence according to the signal transmission level, and controlling several devices in the sub-area according to the adjustment parameters.

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