An IoT-based Automatic Temperature Control Method for HVAC

Abstract

The present application discloses an Internet of Things-based automatic temperature control method for heating, ventilation, and air conditioning (HVAC), including: sending / receiving adaptive control information between HVACs based on the communication network of all HVACs within an air conditioner group; establishing a space coordinate system in the space where the air conditioner group is located, and obtaining the coordinates of the HVACs and the coordinates of the personnel cluster within the space coordinate system; obtaining the environmental temperature requirements of the personnel cluster, establishing the corresponding relationship between the area of the personnel cluster coordinates and the HVACs, and obtaining a temperature regulation relationship; obtaining the target output temperature of the HVACs based on the temperature regulation relationship; adjusting the output temperature of the HVACs based on the target output temperature of the HVACs; and adjusting the temperature value of the HVACs in real time based on the environmental temperature of the space where the air conditioner group is located. It solves the problem in the prior art that HVACs cannot independently and accurately adjust the temperature, realizes the independent adjustment of the output temperature of the air conditioner, and reduces energy consumption.

Description

Technical Field

[0001] This application belongs to the field of automatic control. Specifically, it relates to an automatic temperature control method for heating, ventilation, and air conditioning (HVAC) based on the Internet of Things (IoT). Background Art

[0002] In current automatic temperature control of HVAC based on the IoT, the common method is to adjust the output temperature of HVAC based on sensors. This method has a good control effect on the output temperature adjustment of a single HVAC. However, in some controls for an air-conditioning cluster, the control effect is poor. The reason is that it is difficult to divide the space of the air-conditioning cluster and flexibly adjust the output temperature of HVAC based on the analysis of the temperature requirements of different spaces within the air-conditioning cluster to improve the temperature adjustment speed of HVAC for different spaces. At the same time, this method often requires the same air-conditioning temperature within the air-conditioning group. From the implementation perspective, it is the same as the control method for a single HVAC, resulting in a gradual increase in the energy consumption during the operation of the air-conditioning group.

[0003] Therefore, how to achieve independent and precise temperature adjustment of all HVACs within an air-conditioning group based on the IoT has become a technical problem that needs to be urgently solved by those skilled in the art. Summary of the Invention

[0004] This application discloses an automatic temperature control method for HVAC based on the IoT to solve the problem in the prior art that it is difficult to achieve independent and precise temperature adjustment of HVACs within an air-conditioning cluster, thereby achieving good control of the energy consumption of air-conditioning while ensuring the temperature adjustment speed of HVAC for the air-conditioning group. Specifically:

[0005] An automatic temperature control method for HVAC based on the IoT, the automatic control method includes:

[0006] Sending and receiving adaptive control information between HVACs based on the communication network of all HVACs within the air-conditioning group;

[0007] Establishing a space coordinate system in the space where the air-conditioning group is located, and obtaining the coordinates of HVACs and the coordinates of the personnel cluster within the space coordinate system;

[0008] Obtaining the environmental temperature requirements of the personnel cluster, establishing the correspondence between the personnel cluster coordinate area and the HVACs, and obtaining the temperature regulation relationship;

[0009] Based on the temperature regulation relationship, obtaining the target output temperature of the HVACs;

[0010] Adjusting the output temperature of the HVACs based on the target output temperature of the HVACs;

[0011] Adjust the temperature value of the HVAC in real time based on the environmental temperature of the space where the air conditioner group is located.

[0012] Optionally, based on the communication network of all the HVACs in the air conditioner group, send / receive adaptive control information between the HVACs, including:

[0013] Establish a communication network within the air conditioner group based on the communication system of the HVAC;

[0014] Set the identification identifier of the HVAC based on the communication network;

[0015] Establish a communication identification code for the HVAC based on the identification identifier;

[0016] Conduct HVAC communication within the air conditioner group based on the communication identification code, and establish a send / receive channel for the adaptive control information between the HVACs.

[0017] Optionally, establish a space coordinate system in the space where the air conditioner group is located, and obtain the coordinates of the HVAC and the coordinates of the personnel cluster in the space coordinate system, including:

[0018] Obtain the ground center point of the space where the air conditioner group is located, and the ground center point is the origin of the space coordinate system;

[0019] Establish the space coordinate system based on the origin of the space coordinate system;

[0020] Obtain the coordinates of the HVAC based on the installation height of the HVAC and its ground projection in the space where the air conditioner cluster is located;

[0021] Obtain the coordinates of the personnel in the space where the air conditioner group is located, and obtain the personnel cluster status based on the coordinates of the personnel;

[0022] Obtain the area of the personnel cluster and the center point coordinates of the personnel cluster based on the personnel cluster status, and the center point coordinates are the coordinates of the personnel cluster.

[0023] Optionally, obtain the environmental temperature requirement of the personnel cluster, establish the corresponding relationship between the personnel cluster coordinate area and the HVAC, and obtain the temperature control relationship, including:

[0024] Obtain the environmental temperature data of the personnel cluster based on the environmental temperature requirement of the personnel cluster;

[0025] Obtain the distance between the personnel cluster coordinates and the HVAC, and get the sub-region distance. Compare the sub-region distance with the preset sub-region distance. When the sub-region distance is not higher than the preset sub-region distance, the HVAC corresponding to the sub-region distance is the coordinated control air conditioner;

[0026] Based on the distance between the coordinated control air conditioner and the personnel cluster coordinates, obtain the temperature regulation relationship;

[0027] Based on the coordinated control air conditioner, establish an environmental temperature control air conditioner group for the personnel cluster. The coordinated control air conditioners in the air conditioner group establish a communication relationship to obtain a coordinated control network;

[0028] Based on the coordinated control network and the temperature regulation relationship, obtain the temperature regulation relationship of the HVAC.

[0029] Optionally, the obtaining the distance between the personnel cluster coordinates and the HVAC, getting the sub-region distance, comparing the sub-region distance with the preset sub-region distance, and when the sub-region distance is not higher than the preset sub-region distance, the HVAC corresponding to the sub-region distance is the coordinated control air conditioner includes:

[0030] Obtain the coordinates of the personnel cluster and the HVAC to get the relative position coordinates;

[0031] Based on the relative position coordinates, obtain the sub-region distance. The determination equation of the sub-region distance is:

[0032] ;

[0033] Wherein, l i represents the sub-region distance; x i represents the abscissa of the coordinate point where the HVAC is located; y i represents the ordinate of the coordinate point where the HVAC is located; x e represents the abscissa of the coordinate point at the edge of the personnel cluster area range; y e represents the ordinate of the coordinate point at the edge of the personnel cluster area range; e represents the index of the coordinate point at the edge of the personnel cluster range; f represents the total amount of the indexes of the coordinate points at the edge of the personnel cluster area range; h represents the ground distance between the HVAC and the air conditioner group;

[0034] Compare the sub-region distance with the preset sub-region distance. When the sub-region distance is not higher than the preset sub-region distance, the HVAC corresponding to the sub-region distance is identified as the coordinated control air conditioner.

[0035] Optionally, obtaining the temperature control relationship based on the distance between the coordinated control air conditioner and the personnel cluster coordinates includes:

[0036] Obtaining the heat change value of the personnel cluster based on the initial environmental temperature of the personnel cluster and the environmental temperature requirement of the personnel cluster;

[0037] Obtaining the output heat of the HVAC based on the heat change value of the personnel cluster and the sub-region distance, and the output heat equation of the HVAC is:

[0038] ;

[0039] Wherein, Q i represents the output heat of the i th HVAC; T 1 represents the environmental temperature requirement of the personnel cluster; T 0 represents the initial environmental temperature of the personnel cluster; C represents the specific heat capacity of air; m represents the air quality of the personnel cluster; l i represents the sub-region distance of the i th HVAC; i represents the sub-region distance retrieval of the HVAC; j represents the total amount of sub-region distance retrieval of the HVAC.

[0040] Optionally, obtaining the target output temperature of the HVAC based on the temperature control relationship includes:

[0041] Obtaining the output temperature of each HVAC based on the temperature control relationship, and the output temperature equation of the HVAC is:

[0042] ;

[0043] Wherein, T i1 represents the output temperature of the i th HVAC; Q i represents the output heat of the i th HVAC; T 1 represents the environmental temperature requirement of the personnel cluster; T 0 represents the initial environmental temperature of the personnel cluster; C represents the specific heat capacity of air; mRepresents the air quality of a personnel cluster; l i Represents the i sub - area spacing of the i nth heating, ventilation, and air conditioning (HVAC); j Represents the total retrieval of the sub - area spacing of the HVAC; k Represents the heat transfer coefficient;

[0044] The calculation equation of the heat transfer coefficient is:

[0045] ;

[0046] Wherein, k represents the heat transfer coefficient; h represents the convective heat transfer coefficient, determined by an empirical formula; P represents the perimeter of the air - conditioner outlet; represents the mass flow rate of air, C represents the specific heat capacity of air.

[0047] Optionally, adjusting the output temperature of the HVAC based on the target output temperature of the HVAC includes:

[0048] Based on the HVAC coordinates, obtaining the relative configuration relationship of the HVAC;

[0049] Based on the relative configuration relationship, obtaining the heat input to the personnel cluster by non - coordinated air conditioners in the personnel cluster to obtain interference heat;

[0050] Based on the interference heat, adjusting the output temperature of the HVAC to obtain a target temperature, and the determination equation of the target temperature is:

[0051] ;

[0052] Wherein, T t represents the target temperature; T i1 represents the i output temperature of the Q a nth HVAC; C represents the specific heat capacity of air, m represents the air quality of the personnel cluster;

[0053] Based on the send / receive channel of the adaptive control information between the HVACs, adaptively adjusting the output temperature of the HVAC.

[0054] Optionally, obtaining the heat input from the non-coordinated air conditioners to the personnel cluster based on the relative configuration relationship to obtain interference heat includes:

[0055] Based on the spatial position of the HVAC and the coordinates of the personnel cluster, obtaining the distance between the HVAC and the personnel cluster to get the air conditioner-personnel distance. If the air conditioner-personnel distance is not higher than the preset air conditioner-personnel distance, marking the HVAC corresponding to the air conditioner-personnel distance as an interfering air conditioner;

[0056] Based on the distance between the interfering air conditioner and the personnel cluster, obtaining the interference heat. The determination equation of the interference heat is:

[0057] ;

[0058] Wherein, Q a represents the interference heat; p represents the label retrieval of the interfering air conditioner; q represents the total amount of label retrievals of the interfering air conditioners; C represents the specific heat capacity of air; m represents the air quality of the personnel cluster; T 1 represents the environmental temperature requirement of the personnel cluster; represents the p output temperature of the th interfering air conditioner; p represents the distance between the k th interfering air conditioner and the personnel cluster;

[0059] Optionally, based on the environmental temperature of the space where the air conditioner group is located, adjusting the temperature value of the HVAC in real time includes:

[0060] Obtaining the environmental temperature of the space where the air conditioner group is located to get the current environmental temperature;

[0061] Based on the difference between the current environmental temperature and the environmental temperature requirement of the personnel cluster, adjusting the temperature adjustment range of the HVAC;

[0062] Based on the temperature adjustment range, adjusting the output temperature of the HVAC to adjust the temperature value of the HVAC in real time.

[0063] The beneficial effects of this application include:

[0064] 1. Independent control of each HVAC unit is achieved. Based on Internet of Things technology, the spatial location of each air conditioner in the air conditioner group is determined, and based on the corresponding relationship between the HVAC and the personnel clusters, the HVAC for which temperature adjustment is to be made to the relevant personnel clusters is determined based on this relationship, and then the output temperature of the corresponding HVAC is adjusted to ensure personalized adjustment of the HVAC output temperature.

[0065] 2. The speed of spatial temperature adjustment of the HVAC is increased. Based on the division of personnel clusters, the ambient temperature requirements of each personnel cluster are determined simultaneously, and the corresponding HVACs perform temperature adjustment. At the same time, based on the output air flow of the HVACs, the temperature of the personnel cluster area is adjusted. This can not only ensure that the people in the personnel cluster area are all in the temperature environment of the HVAC, but also ensure that the ambient temperature of this area can be increased at a higher speed.

[0066] 3. Effective control of energy consumption is achieved. After determining the air conditioner output temperature of the personnel cluster area, the ambient temperature of the space where the air conditioner group is located is measured in real time, and then the temperature value of the HVAC is adjusted. Based on the analysis of the ambient temperature and the ambient temperature requirements of the personnel clusters, the temperature value of the HVAC is adjusted in real time based on the difference between the two to achieve the purpose of controlling energy consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0067] To more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required to be used in the embodiments of the present application or the prior art. Obviously, the following descriptions are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings. The drawings are used to provide a further understanding of the present disclosure, and constitute a part of the specification, and are used together with the following specific embodiments to explain the present disclosure, but do not constitute a limitation to the present disclosure. In the drawings:

[0068] Figure 1 is a flowchart of a method for automatically controlling the temperature of an HVAC based on the Internet of Things provided by an embodiment of the present application;

[0069] Figure 2 is a schematic diagram of the communication network structure of an HVAC based on the Internet of Things provided by an embodiment of the present application;

[0070] Figure 3 is a schematic diagram of a coordinated control air conditioner network for automatically controlling the temperature of an HVAC based on the Internet of Things provided by an embodiment of the present application. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0071] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present application without creative efforts belong to the scope of protection of the present application. In addition, in the embodiments of the present application, "first", "second", etc. are used to distinguish similar objects, and do not necessarily need to describe a specific order or sequence.

[0072] In the current control of the output temperature of HVAC (Heating, Ventilation, and Air Conditioning), the automatic control of the output temperature has been widely carried out based on the Internet of Things, including remote control of air conditioners, automatic maintenance of indoor temperature, etc. However, in the adjustment of air conditioner groups, the same control scheme as that of a single HVAC is often adopted, that is: based on the monitoring and analysis of indoor temperature, the Internet of Things processes the space temperature to achieve unified control of the output temperature of all air conditioners in the indoor space. In this way, it is difficult to separately control the output temperature of the HVAC in the air conditioner group based on the space distribution within the air conditioner group, so as to achieve rapid adjustment of the temperature in different regions and save energy.

[0073] In the technical solution of the present application, for the personnel cluster state in the space where the air conditioner group is located and the temperature requirements of the personnel cluster for the environment, a corresponding relationship between the personnel cluster and the HVAC is established. Then, the HVACs participating in the temperature adjustment of the personnel cluster area are screened from them, and the output temperatures of different HVACs are determined. On this basis, the output temperature of each HVAC is separately controlled. In addition, considering that it is impossible to achieve independent settings for different personnel clusters in the space where the air conditioner group is located, the influence of other HVACs on the temperature of the personnel cluster is also considered. Based on this influence, the ambient temperature of the HVAC is further adjusted to obtain a more accurate HVAC output temperature value, and the temperature value of the HVAC is adjusted in real time based on the ambient temperature of the space where the air conditioner group is located to reduce energy consumption.

[0074] The present application discloses an automatic temperature control method for HVAC based on the Internet of Things to achieve independent and precise adjustment of the output temperature of each HVAC in the air conditioner group, thereby improving the speed and accuracy of temperature adjustment for the entire space. Specifically:

[0075] As Figure 1 shown, an automatic temperature control method for HVAC based on the Internet of Things provided by an embodiment of the present application includes:

[0076] S110. Based on the communication network of all HVACs in the air conditioner group, send / receive adaptive control information between the HVACs;

[0077] S120. Establish a spatial coordinate system in the space where the air-conditioning group is located, and obtain the HVAC coordinates and the personnel cluster coordinates within the spatial coordinate system;

[0078] S130. Obtain the environmental temperature requirements of the personnel cluster, establish the correspondence between the personnel cluster coordinate area and the HVAC, and obtain the temperature regulation relationship;

[0079] S140. Based on the temperature regulation relationship, obtain the target output temperature of the HVAC;

[0080] S150. Based on the target output temperature of the HVAC, adjust the output temperature of the HVAC;

[0081] S160. Based on the environmental temperature in the space where the air-conditioning group is located, adjust the temperature value of the HVAC in real time.

[0082] The purpose of the above steps is to establish the relationship between the environmental temperature requirements of the HVAC and the personnel cluster based on the distribution positions of all the HVACs in the air-conditioning group and the environmental temperature requirements in the entire space, and based on this correspondence, to realize the output temperature of all the HVACs in the air-conditioning group, so as to realize the personalized output temperature adjustment for each HVAC.

[0083] Next, all the above steps will be described separately. Specifically:

[0084] As described in step S110, its purpose is to generate the communication network of all the HVACs in the entire air-conditioning group, especially to generate the information receiving / sending system between the HVACs, so as to ensure that in the subsequent automatic control process of the HVAC temperature, the information processing between the HVACs can be directly realized, and based on the received information, the output temperature can be adjusted. Specifically:

[0085] S111. Based on the communication system of the HVAC, establish the communication network within the air-conditioning group.

[0086] The purpose of this step is that for the entire air-conditioning group, which is composed of multiple HVACs, by establishing the communication relationship of each HVAC, a holistic communication network can be established, so as to ensure the establishment of a specific correspondence between different HVACs. For example, Figure 2 As shown, it is a schematic diagram of the communication network structure of an HVAC based on the Internet of Things provided by an embodiment of the present application. Among them, the dotted double-headed arrow indicates the HVACs with direct communication capabilities. From this, it can be determined that theoretically, each HVAC has the communication ability with other air conditioners. Of course, Figure 2Shown is a simplest network communication scheme. In fact, the structure of the entire network may be more complex. For example, there is also a direct communication capability between the first air conditioner in the upper right corner and the last air conditioner in the lower left corner.

[0087] Among them, a communication device is set in each heating, ventilation, and air conditioning (HVAC) in the air conditioner group to achieve internal communication between the HVACs.

[0088] In some embodiments, a control center for the air conditioner group is set. Based on this control center, each HVAC establishes a communication relationship with the control center.

[0089] In some embodiments, the HVACs in the air conditioner group are grouped, and one HVAC in each group is set as the control center in the group, so as to control the output temperature of other HVACs in the group.

[0090] S112. Based on the communication network, set the identification identifier of the HVAC.

[0091] The purpose of this step is to achieve the identification of the HVAC in the communication network of the entire air conditioner group by setting the identification identifier of the HVAC, so as to ensure that in the subsequent determination of the output temperature of the HVAC, the output temperature and the identification identifier are associated with information to adjust the temperature of a specific HVAC.

[0092] Among them, based on information such as the label number and position of the HVAC, a unique identification identifier of the HVAC is established.

[0093] In some embodiments, the unique device identification code of the HVAC at the time of factory is used as the identification identifier to obtain a more accurate processing result.

[0094] S113. Based on the identification identifier, establish the communication identification code of the HVAC.

[0095] The purpose of this step is that for the identification identifier of the HVAC, in the internal communication of the entire air conditioner group, the identification identifier can be converted into a communication identification code, so as to ensure that in the communication within the air conditioner group, the HVAC corresponding to the communication identification code can be accurately identified within the entire network.

[0096] Among them, in the internal communication, the identification identifier information is processed according to the preamble message in the communication message to determine the current information sender and receiver.

[0097] Among them, for the output temperature of all HVACs, the data therein needs to be determined based on the identification identifier therein, so as to accurately determine the sending and receiving air conditioners of the information based on the preamble message in the analysis of all messages.

[0098] Among them, in the collaborative control network established for heating, ventilation, and air conditioning (HVAC), all previous messages are identified. And during the temperature adjustment of each HVAC, for the established communication relationship, the communication relationship needs to be determined according to the identification identifier, and the output temperature of the HVAC is adjusted accordingly based on the communication relationship.

[0099] S114. Based on the communication identification code, conduct HVAC communication within the air conditioner group to establish a sending / receiving channel for the adaptive control information between the HVACs.

[0100] The purpose of this step is to determine the communication relationship within the air conditioner group by setting the communication identification code, so as to ensure that a reasonable determination of the communication relationship can be achieved in the subsequent communication relationship.

[0101] Among them, for the communication identification code, it is necessary to fully determine the HVAC communication relationship according to the currently established communication relationship, so as to establish the corresponding channel.

[0102] Among them, for all communication relationships, all communication relationships can be set and determined, and the communication relationship is a two-way communication relationship. Based on this communication relationship, the setting of the specific communication direction is realized.

[0103] Among them, for all HVACs that may have a communication relationship, a dedicated communication channel is set up to improve the communication efficiency.

[0104] In some embodiments, based on the spacing between HVACs and the preset spacing relationship of HVACs, when the spacing between HVACs is not less than the preset spacing of HVACs, it is considered that there is no possible collaborative control relationship for a certain area between these two HVACs, so there is no direct communication relationship between these two HVACs, and no communication channel is established.

[0105] As described in step S120, the purpose of this step is to establish a spatial coordinate system for the space where the HVACs are located to obtain the coordinates of all HVACs and the coordinates of the personnel cluster. Based on these coordinate parameters, calculate the spacing between the HVACs and the personnel cluster, and obtain the center point coordinates and edge line coordinates of the personnel cluster for obtaining various spacing parameters. Specifically:

[0106] S121. Obtain the ground center point of the space where the air conditioner group is located, and the ground center point is the origin of the spatial coordinate system.

[0107] The purpose of this step is that the air outlets of the HVACs are at a certain height from the ground. Therefore, arranging the spatial coordinate system on the ground of the spatial coordinate system can have a simpler acquisition method in determining the coordinates of the air conditioners for subsequent spacing calculation.

[0108] Among them, obtain the top view of the ground of the space where the HVAC is located, and determine the ground center point based on the shape and length of the top view.

[0109] In some embodiments, a point on the wall ground of the space where the air-conditioning group is located is the origin of the space coordinate system.

[0110] In some embodiments, any point on the ground of the space where the air-conditioning group is located is set as the origin of the space coordinate point.

[0111] In some embodiments, any point in the space where the air-conditioning group is located is set as the space coordinate point.

[0112] S122. Establish the space coordinate system based on the origin of the space coordinate system.

[0113] The purpose of this step is that after obtaining the origin of the space coordinate system, a space rectangular coordinate system can be set up, and then the position of the HVAC or the air outlet position can be determined based on the space rectangular coordinate system to achieve precise setting of the position of the HVAC.

[0114] Among them, establish the space coordinate system in the whole space with the obtained origin of the space coordinate system.

[0115] S123. Obtain the coordinates of the HVAC based on the installation height of the HVAC and its projection on the ground of the space where the air-conditioning cluster is located.

[0116] The purpose of this step is that after creating the space rectangular coordinate system, obtain the coordinates of the HVAC based on the position of the HVAC, so as to determine the distance between the HVAC and each area in the whole space.

[0117] Among them, obtain the height of the air outlet of the HVAC, and the height value of the air outlet of the HVAC is the z-axis coordinate of the coordinates of the HVAC.

[0118] Among them, obtain the installation position of the HVAC on the ground, and based on this position parameter, the x-axis and y-axis coordinates of the HVAC can be obtained.

[0119] Among them, after obtaining all the coordinate values, establish the coordinates of the HVAC.

[0120] S124. Obtain the coordinates of the personnel in the space where the air-conditioning group is located, and obtain the personnel cluster state based on the coordinates of the personnel.

[0121] The purpose of this step is to obtain the coordinates by obtaining the positions of the personnel in the space where the air-conditioning group is located, and then obtain the personnel cluster state based on the coordinate parameters.

[0122] Among them, by setting a positioning device, the position of the person is determined, so as to determine the position coordinates of the person.

[0123] Among them, the distance between each position coordinate and all other coordinate points is obtained, and the persons whose distance value is not higher than the preset distance value are set in the same person cluster, and all the person coordinates among them are set as the person coordinates within the person cluster.

[0124] Among them, the outermost person coordinates of the person cluster are obtained, and a circle is made based on the outermost person coordinates, and the area corresponding to this circle is the person cluster.

[0125] Among them, the edge coordinates of the person cluster are obtained, and these coordinates can be evenly selected on the edge of the circle to obtain the person cluster coordinate points.

[0126] In some embodiments, the edge coordinates of the person cluster are randomly selected to obtain the person cluster coordinate points.

[0127] In some embodiments, all the person coordinate points in the person cluster are regarded as the person cluster coordinates, and the position of the person is determined based on these coordinate points.

[0128] S125. Based on the state of the person cluster, obtain the area of the person cluster and the center point coordinates of the person cluster, and the center point coordinates are the person cluster coordinates.

[0129] The purpose of this step is to obtain the center point coordinates of the person cluster as the person cluster coordinates. At this time, a simpler description of the person cluster can be realized, and thus a simplified operation of the distance can also be realized in the subsequent distance calculation.

[0130] Among them, based on the already obtained person cluster coordinates, directly obtain the person cluster coordinates based on the circular edge line of the person cluster.

[0131] In some embodiments, all the person coordinates are obtained, and the numerical means of the x-axis and y-axis of the person coordinates are calculated, and the obtained values are used as the center point coordinates of the person cluster.

[0132] Among them, based on the distance between the person cluster coordinates and the edge line of the person cluster, the radius of the person cluster area is obtained, and then the area of the person cluster projected on the ground is calculated based on this radius.

[0133] As described in step S130, the purpose of this step is to obtain the environmental temperature requirement of the person cluster, and then select the heating, ventilation and air conditioning (HVAC) that needs to participate in the temperature adjustment in the temperature adjustment of the person cluster, and determine the temperature values of all the HVACs participating in the temperature adjustment of the person cluster based on the environmental temperature requirement of the person cluster. Specifically:

[0134] S131. Obtain the ambient temperature data of the personnel cluster based on the ambient temperature requirements of the personnel cluster.

[0135] The purpose of this step is to obtain the ambient temperature requirements of all personnel within the personnel cluster for the area where they are located, and then obtain the ambient temperature value through data processing. The reason for adopting this solution is that in some cases, different personnel may have different temperature requirement instructions for the area, which will lead to signal resistance in the process of controlling the output temperature of the HVAC system. Therefore, further adjustment is required.

[0136] Among them, the ambient temperature requirements sent by the personnel in the personnel cluster are received by the entire network system, and then all temperature parameters are determined, and the temperature average value is obtained as the ambient temperature requirement of the personnel cluster.

[0137] Among them, judge the ambient temperature requirements of the personnel cluster, obtain the variance of each ambient temperature requirement, and when the variance exceeds the preset variance, send a personnel cluster replacement suggestion to this personnel.

[0138] In some embodiments, when the variance of the ambient temperature requirement of a certain personnel exceeds the preset variance, an ambient temperature requirement adjustment suggestion is sent to this personnel.

[0139] Among them, when the variance of the ambient temperature requirement of a certain personnel exceeds the preset variance, and this personnel does not replace the personnel group and does not adjust the ambient temperature requirement, calculate the weight for the ambient temperature requirement of each personnel, and appropriately increase the requirement weight of this personnel. Then, obtain the temperature average value and set this average value as the ambient temperature data of the personnel cluster.

[0140] S132. Obtain the distance between the personnel cluster coordinates and the HVAC system to obtain the sub-region distance. Compare the sub-region distance with the preset sub-region distance. When the sub-region distance is not higher than the preset sub-region distance, the HVAC system corresponding to the sub-region distance is the coordinated control air conditioner.

[0141] The purpose of this step is to obtain the ambient temperature requirements of the personnel cluster, and then analyze the temperature adjustment process of the personnel cluster, and correspondingly adjust the HVAC temperature involved in the ambient temperature adjustment process of the personnel cluster, so as to determine the output temperatures of different HVAC systems. Specifically:

[0142] S1321. Obtain the coordinates of the personnel cluster and the coordinates of the HVAC system to obtain the relative position coordinates.

[0143] The purpose of this step is to better analyze the relative position between the HVAC and the personnel cluster based on the obtained relative position coordinates, and then calculate the distance between the personnel cluster and the HVAC, and select the HVAC based on the distance.

[0144] Among them, all the coordinates obtained from the edge line of the personnel cluster are acquired, and the coordinates of the HVAC are obtained, thereby establishing a set of relative position coordinates.

[0145] In some embodiments, only the distance between the personnel cluster coordinates and the HVAC is calculated to obtain the relative position coordinates.

[0146] S1322. Based on the relative position coordinates, obtain the sub-region distance. The determination equation of the sub-region distance is:

[0147] ;

[0148] Among them, l i represents the sub-region distance; x i represents the abscissa of the coordinate point where the HVAC is located; y i represents the ordinate of the coordinate point where the HVAC is located; x e represents the abscissa of the coordinate point at the edge of the personnel cluster area range; y e represents the ordinate of the coordinate point at the edge of the personnel cluster area range; e represents the index of the coordinate point at the edge of the personnel cluster range; f represents the total amount of the indexes of the coordinate points at the edge of the personnel cluster area range; h represents the ground distance between the HVAC and the air-conditioning group in the space where they are located.

[0149] The purpose of this step is to obtain the sub-region distance by calculating the distance between the personnel cluster and the HVAC. At this time, based on the distribution position of the personnel cluster, the HVAC that needs to participate in the temperature adjustment during the temperature control of different personnel clusters within the current air-conditioning group can be obtained.

[0150] Among them, all the coordinates of the edge lines in the personnel cluster are acquired, and then the branch line length is calculated based on the obtained coordinates. The obtained branch line length is the sub-region distance.

[0151] In some embodiments, when only the personnel cluster coordinates are used, there is no need to calculate the mean of the abscissa and ordinate, and the abscissa and ordinate of the personnel cluster can be directly obtained for the calculation of the sub-region distance.

[0152] S1323. Compare the sub - area spacing with the preset sub - area spacing. When the sub - area spacing is not higher than the preset sub - area spacing, the HVAC corresponding to the sub - area spacing is identified as a coordinated control air conditioner.

[0153] The purpose of this step is to obtain the temperature adjustment methods invested by the HVACs for the personnel cluster from all the HVACs and determine the specific HVACs participating in the temperature adjustment.

[0154] Among them, for the preset sub - area spacing, an air - conditioner group is fixedly selected, and the sub - area spacing is compared with the preset sub - area spacing to obtain the HVACs that meet the application requirements of the sub - area spacing.

[0155] In some embodiments, calculate the mean value of the obtained sub - area spacing, then calculate the variance of each sub - area spacing, and determine the sub - area spacing based on the variance.

[0156] In some embodiments, calculate the mean value of the obtained sub - area spacing, then obtain the difference between the sub - area spacing and the mean value. When the difference meets the requirements, the HVAC corresponding to the sub - area spacing is set as a coordinated control air conditioner.

[0157] S133. Based on the spacing between the coordinated control air conditioner and the coordinates of the personnel cluster, obtain the temperature control relationship.

[0158] The purpose of this step is that after obtaining the coordinated control air conditioner, based on the spacing between the coordinated control and the coordinates of the personnel cluster, calculate the temperature of the HVAC corresponding to each sub - area spacing, so that in the specific temperature adjustment, the output temperature of different coordinated control air conditioners can be determined based on the temperature adjustment process. Specifically:

[0159] S1331. Based on the initial ambient temperature of the personnel cluster and the ambient temperature requirement of the personnel cluster, obtain the heat change value of the personnel cluster.

[0160] The purpose of this step is that during the operation of the coordinated control air conditioner, each output temperature will decrease significantly as the sub - area spacing increases. At the same time, since multiple air conditioners are used to jointly adjust the personnel cluster, a limit needs to be set for it. This limit is actually difficult to directly determine based on temperature parameters. Considering that in the adjustment of the heat value, the heat value can be jointly adjusted by multiple HVACs, so the heat value is used as the limit value here to determine the output temperature.

[0161] Among them, based on the temperature sensor, obtain the initial ambient temperature of the personnel cluster area in the specific temperature adjustment.

[0162] Among them, the environmental temperature requirement of the personnel cluster is obtained to obtain the temperature adjustment target of the personnel cluster in the temperature adjustment of the entire personnel cluster.

[0163] Among them, based on the initial environmental temperature and the environmental temperature requirement of the personnel cluster, the heat change value within the personnel cluster is calculated under the change of these two temperature values. The calculation equation of the heat change value is:

[0164] ;

[0165] Among them, Q represents the heat change value; C represents the specific heat capacity of air; m represents the air quality of the personnel cluster; represents the difference between the initial environmental temperature and the environmental temperature requirement of the personnel cluster.

[0166] Among them, in the calculation of the air quality of the personnel cluster, based on the area and height of the personnel cluster, the volume is obtained, and then multiplied by the air density to obtain the air quality.

[0167] S1332. Based on the heat change value of the personnel cluster and the sub-region spacing, obtain the output heat of the HVAC. The output heat equation of the HVAC is:

[0168] ;

[0169] Among them, Q i represents the output heat of the i th HVAC; T 1 represents the environmental temperature requirement of the personnel cluster; T 0 represents the initial environmental temperature of the personnel cluster; C represents the specific heat capacity of air; m represents the air quality of the personnel cluster; l i represents the i th sub-region spacing of the HVAC; i represents the sub-region spacing retrieval of the HVAC; j represents the total amount of sub-region spacing retrieval of the HVAC.

[0170] The purpose of this step is to, in the temperature control of the personnel cluster, based on the spacing between each coordinated air conditioner and the personnel cluster, obtain the heat that each coordinated air conditioner needs to deliver to the personnel cluster during specific operation. In this way, the limited parameters in the temperature adjustment process are obtained for the HVAC during the temperature adjustment process.

[0171] Among them, in the temperature adjustment of the HVAC personnel cluster, the larger the value of the sub-region spacing, the higher the heat provided by the air conditioner. In the temperature adjustment of the personnel cluster, the larger the value of the sub-region spacing, the smaller the weight of the output heat.

[0172] Among them, Equation (3) is essentially equivalent to the product of the heat change value of the personnel cluster and the weight of the heat provided by the i th HVAC. For the determination of the weight, the mean part is the set standard value. Using this weight calculation scheme can ensure that the smaller the sub-region spacing, the larger the weight, and the obtained weight can be directly used as the ratio of the heat change value.

[0173] S134. Based on the coordinated control air conditioner, establish an environmental temperature control air conditioner group for the personnel cluster. The coordinated control air conditioners in the air conditioner group establish a communication relationship to obtain a coordinated control network. As Figure 3 shown, it is a schematic diagram of a coordinated control air conditioner network for automatic temperature control of HVAC based on the Internet of Things provided by an embodiment of the present application. It is divided according to the distribution mode of the HVAC in Figure 2 . Among them, the dotted line part represents the decomposition space of the air conditioner group, which are three spaces A, B, and C respectively. There is a personnel cluster in each space. After the area division is realized, the communication relationship between different groups is removed. This method can avoid the problem of channel congestion to the greatest extent. At the same time, the connection relationship of the coordinated control network in each space is relatively simple. The double-arrow dotted line part is the communication relationship. It should be noted that for the obtained coordinated control air conditioner interval, if it is found that there is no coordinated control network connection relationship between two certain air conditioners, a new coordinated control network connection relationship can also be established between them to improve the communication efficiency of each HVAC in the coordinated control network.

[0174] The purpose of this step is that after the coordinated control air conditioner is selected, all the coordinated control air conditioners can be set in the same regional communication network to obtain a coordinated control network. Based on this coordinated control network, only the internal communication of the coordinated control air conditioner can be realized, so as to improve the communication speed in the coordinated control network, and the output temperature of the coordinated control air conditioner can be adjusted automatically based on the coordinated control network.

[0175] Among them, for the obtained coordinated control air conditioner, obtain the identification mark in the coordinated control air conditioner.

[0176] Among them, for the identification identifier of the coordinated control air conditioner, all the identification identifiers are constructed into the same coordinated control network. And in the established communication message, for the identification message containing the identification identifier and other message information in the coordinated control network, these two types of information are integrated, and all the message information is sent within the air conditioner group network. When other heating, ventilation, and air conditioning (HVAC) systems cannot recognize the message containing the identification identifier and other message information in the coordinated control network, then other HVAC systems determine that they do not belong to this coordinated control network and no longer receive all the information of the temperature control equation sent by this coordinated control air conditioner.

[0177] S135. Based on the coordinated control network and the temperature regulation relationship, obtain the temperature regulation relationship of the HVAC system.

[0178] The purpose of this step is to obtain the temperature regulation relationship of the coordinated control air conditioner, obtain the output temperature value of each coordinated control air conditioner, and on this basis, obtain the corresponding relationship between the output temperature value and the coordinated control air conditioner.

[0179] Among them, establish the corresponding relationship between the coordinated control air conditioner and the output temperature value, and then based on the coordinated control network, send the corresponding output temperature value signal to the corresponding coordinated control air conditioner.

[0180] Among them, for the output temperature adjustment requirement of each coordinated control air conditioner, automatic temperature adjustment is carried out within the entire coordinated control network to obtain the adjusted temperature parameters.

[0181] As described in step S140, the purpose of this step is to determine the temperature regulation relationship, and based on this value, obtain the target output temperature of the coordinated control HVAC system, so that the HVAC system can perform coordinated control on the temperature demand of the personnel cluster based on the target output temperature value.

[0182] S141. Based on the temperature regulation relationship, obtain the output temperature of each HVAC system. The output temperature equation of the HVAC system is:

[0183] ;

[0184] Among them, T i1 represents the i output temperature of the Q i represents the i output heat of the T 1 represents the environmental temperature demand of the personnel cluster; T 0 represents the initial environmental temperature of the personnel cluster; C represents the specific heat capacity of air; m represents the air quality of the personnel cluster; li Indicates the i sub - regional spacing of the HVAC; i Indicates the retrieval of the sub - regional spacing of the HVAC; j Indicates the total amount of retrieval of the sub - regional spacing of the HVAC; k Indicates the heat transfer coefficient.

[0185] The purpose of this step is that in the calculation of the temperature demand of the personnel cluster, since multiple coordinated control air conditioners are used for collaborative control and the temperature output by each air conditioner for the personnel cluster area has been determined, it is necessary to analyze the output temperature of the coordinated control air conditioner based on this parameter, and only based on this can the specific temperature of the air conditioner be determined.

[0186] Among them, the specific acquisition process of Equation (4) is specifically described as follows:

[0187] Among them, after the temperature at the air outlet of the air conditioner and the temperature parameter after the air flow has passed a certain distance can be determined according to the following equation:

[0188] ;

[0189] Among them, Indicates the temperature when the air conditioner output temperature reaches the distance l i ; T 0 Indicates the initial ambient temperature of the personnel cluster; T i1 Indicates the i output temperature of the k th HVAC; l i Indicates the i sub - regional spacing of the

[0190] Among them, the relationship between temperature and heat, as described in Equation (2), will not be elaborated here.

[0191] Among them, by integrating the relationship between temperature and heat and the relationship equation between temperature and distance, we get:

[0192] ;

[0193] Among them, Q i Indicates the i output heat of the th HVAC; l i Indicates the temperature when the air conditioner output temperature reaches the distance T0 Represents the initial ambient temperature of the personnel cluster; C Represents the specific heat capacity of air; m Represents the air quality of the personnel cluster.

[0194] Among them, regarding the variable in Equation (6), it can be determined as:

[0195] ;

[0196] Among them, substituting Equation (7) into Equation (5), the content of Equation (4) can be obtained, that is, the output temperature of the HVAC is determined.

[0197] S142. The calculation equation of the heat transfer coefficient is:

[0198] ;

[0199] Among them, k represents the heat transfer coefficient; h represents the convective heat transfer coefficient, which is determined by an empirical formula; P represents the perimeter of the air outlet of the air conditioner; represents the mass flow rate of air, C represents the specific heat capacity of air.

[0200] The purpose of this step is that in the equation of Equation (4), the unknown parameter is k among them. Therefore, for the calculation of k, relevant parameters need to be determined among them to obtain the result.

[0201] Among them, regarding the convective heat transfer coefficient, there are already various empirical formulas in the current research. Therefore, the empirical formula can be directly used for calculation, and this application does not limit this parameter.

[0202] Among them, regarding all other parameters in this equation, they can also be determined based on the specific parameters of the HVAC. In specific processing, only simple measurements are required to obtain the parameter results.

[0203] As described in step S150, the purpose of this step is that during the operation of the air conditioner group, the air conditioner is obviously in the indoor space, which will cause other HVACs to have a certain impact on the internal heat of the personnel cluster during the specific operation of the already obtained coordinated air conditioner. Therefore, in order to reduce the energy consumption of the air conditioner and improve the control accuracy of the output temperature of the air conditioner, it is also necessary to propose the interfering heat generated in the personnel cluster space for result processing. Specifically:

[0204] S151. Based on the coordinates of the HVAC, obtain the relative configuration relationship of the HVAC.

[0205] The purpose of this step is that after obtaining the coordinates of all HVAC systems, the distances between all HVAC systems and the personnel clusters can be obtained, so as to determine all the HVAC systems that may generate interfering heat during the temperature adjustment of the personnel clusters, so as to eliminate the interfering heat.

[0206] Among them, obtain the coordinates of the HVAC systems in the entire air-conditioning group, and then calculate all the parameters therein.

[0207] Among them, based on the coordinates of the HVAC system, obtain the relative position of the HVAC system with respect to the coordinates of the personnel cluster, so as to obtain the parameters of the HVAC system in this way.

[0208] In some embodiments, based on the coordinates of the HVAC systems, a relative correspondence relationship between the air outlets of the HVAC systems can also be directly established, and only the HVAC systems that can be in a completely corresponding state are regarded as the HVAC systems with a relative configuration relationship, so as to establish a group of HVAC systems with a relative configuration.

[0209] S152. Based on the relative configuration relationship, obtain the heat input by the non-coordinated air conditioners to the personnel cluster in the personnel cluster to obtain interfering heat.

[0210] The purpose of this step is that for the relative configuration relationship of the HVAC systems, based on the heat output from other non-coordinated air conditioners to the personnel cluster, this type of output heat can be used as interfering heat, so that in subsequent processing, the influence of the interfering heat on the output temperature of the HVAC systems can be eliminated. Specifically:

[0211] S1521. Based on the spatial position of the HVAC system and the coordinates of the personnel cluster, obtain the distance between the HVAC system and the personnel cluster to obtain the air conditioner-personnel distance. If the air conditioner-personnel distance is not higher than the preset air conditioner-personnel distance, mark the HVAC system corresponding to the air conditioner-personnel distance as an interfering air conditioner.

[0212] The purpose of this step is that for the HVAC system group, when some air conditioners in the group are too far away from the personnel cluster, the heat output by this type of HVAC system to the personnel cluster area can basically be ignored. Of course, theoretically, only when the air conditioner and the personnel cluster are infinitely far away can it be considered that no heat is input at all. However, it is found in practice that as long as a certain distance is reached, the influence on the temperature can basically be ignored. Therefore, by comparing the obtained air conditioner-personnel distance with the preset air conditioner-personnel distance, the interfering air conditioners can be determined.

[0213] Among them, for the determination of the preset air conditioner-personnel distance, it can be based on Equation (5) for the output temperature of the air conditioner when reaching the distance l iPreset the temperature at that time, determine its preset. For example, if the temperature value is set to 1 °C, the corresponding distance can be calculated. l i The parameter corresponding to this value is the preset air conditioner - person spacing.

[0214] Among them, obtain the spacing between all HVAC and personnel cluster coordinates, so as to obtain the spacing result.

[0215] In some embodiments, only the HVAC with the air outlet of the HVAC facing each other needs to be obtained as the candidate interfering air conditioner. This method can, to a greater extent, improve the acquisition quality of the interfering air conditioner.

[0216] In some embodiments, the HVAC whose air outlet of the coordinated control air conditioner and the air outlet of other HVACs are not on the same straight line and there is no included angle in the air outlet direction is regarded as an irrelevant air conditioner, that is: such an air conditioner is neither a coordinated control air conditioner nor definitely a non - coordinated control air conditioner.

[0217] S1522. Based on the spacing between the interfering air conditioner and the personnel cluster, obtain the interfering heat, and the determination equation of the interfering heat is:

[0218] ;

[0219] Among them, Q a represents the interfering heat; p represents the label retrieval of the interfering air conditioner; q represents the total amount of label retrieval of the interfering air conditioner; C represents the specific heat capacity of air; m represents the air quality of the personnel cluster; T 1 represents the environmental temperature requirement of the personnel cluster; represents the p output temperature of the represents the p spacing between the k th interfering air conditioner and the personnel cluster;

[0220] The purpose of this step is to calculate the heat input by the non - coordinated control air conditioner to the personnel cluster, so as to obtain all the interfering heat existing in the personnel cluster. Then, in subsequent processing, the output temperature of the coordinated control air conditioner can be further adjusted after removing the interfering heat.

[0221] Among them, in the setting of the entire air-conditioning group, the output temperature parameters of all the HVACs have actually been obtained. That is to say, the output temperature in the entire equation has been determined. Therefore, in the determination of the interfering heat, only the relationship equation between temperature and spacing needs to be used for determination, and no other parameters need to be introduced.

[0222] In some embodiments, first take a certain personnel cluster as the analysis object to obtain the adjusted output temperature. However, since the coordinated control air conditioners in this personnel cluster may be associated with those in other personnel clusters, during processing, it is also necessary to determine the output temperatures of the coordinated control air conditioners corresponding to other personnel clusters. Considering that this method may cause the coordinated control air conditioners corresponding to multiple personnel clusters to not converge to a certain value during temperature adjustment, it is necessary to set a convergence parameter, or obtain the association relationship of the coordinated control air conditioners corresponding to different personnel clusters and obtain the degree of association, and not adjust the temperature of the coordinated control air conditioner with the largest degree of association.

[0223] S153. Based on the interfering heat, adjust the output temperature of the HVAC to obtain a target temperature. The determination equation of the target temperature is:

[0224] ;

[0225] Among them, T t represents the target temperature; T i1 represents the output temperature of the i th HVAC; Q a represents the interfering heat; C represents the specific heat capacity of air, m represents the air quality of the personnel cluster.

[0226] The purpose of this step is to convert the generated interfering heat into the temperature parameter within the entire personnel cluster space, and then, based on this temperature parameter, the temperature of the coordinated control air conditioner that has been obtained can be adjusted accordingly.

[0227] Among them, for the interfering heat, it can be directly processed based on the conversion equation between temperature and heat.

[0228] In some embodiments, for the obtained interfering heat, determine the heat that the coordinated control air conditioner needs to input to the personnel cluster, then re-determine the heat that each coordinated control air conditioner needs to input to the personnel cluster area, and based on this calculation result, obtain the output temperature parameter, and comprehensively recalculate the result based on this method.

[0229] S154. Based on the transmission / reception channel of the adaptive control information between the HVACs, adaptively adjust the output temperature of the HVACs.

[0230] The purpose of this step is to adjust the output temperature parameters for the output temperatures between the coordinated control air conditioners based on the established channel between the HVACs that has been set, so that in this way, parameter control can be fully based on the currently obtained parameters.

[0231] Among them, after the coordinated control air conditioner obtains the output temperature parameter that needs to be executed based on the interfering heat, it can obtain the processing result of this parameter, and thus obtain the result that needs to be processed under the action of this parameter, and synchronize this result within the entire coordinated control air conditioner group.

[0232] In some embodiments, each HVAC has computing performance. In this case, it directly performs the corresponding operations, outputs, and records its own output temperature.

[0233] As described in step S160, the purpose of this step is that during the continuous operation of the air conditioner group, it will have an overall impact on the temperature of the entire indoor space. Therefore, based on this temperature parameter, adjusting the output temperature of the coordinated control air conditioners corresponding to the personnel cluster can ensure that the temperature of the air conditioners develops in a more energy-saving direction, thereby reducing the energy consumption during the operation of the air conditioner group. Specifically:

[0234] S161. Obtain the environmental temperature of the space where the air conditioner group is located to obtain the current environmental temperature.

[0235] The purpose of this step is that for the space where the entire air conditioner group is located, by obtaining the environmental temperature in the current area, the obtained environmental temperature can be regarded as the source of interfering heat for all personnel clusters for calculation, so as to realize the real-time adjustment of the output temperature of the HVACs.

[0236] Among them, use devices such as temperature sensors to obtain the environmental temperature of the space where the air conditioner group is located, so as to obtain the environmental temperature in this space.

[0237] In some embodiments, based on the outlet temperatures obtained by the HVACs in the air conditioner group, calculate the average value of all the outlet temperatures in the entire air conditioner group, and recognize the obtained average value as the environmental temperature of the space where the air conditioner group is located.

[0238] In some embodiments, for each HVAC in an air-conditioning group, the variance of each HVAC is obtained. When the variance is too large, the coordinated control air-conditioning group corresponding to the HVAC is determined. Then, the temperatures obtained by other HVACs in the coordinated control air-conditioning group are determined. When the variances of multiple coordinated control air-conditioners are all higher than the preset variance, the output temperature of the coordinated control air-conditioning group remains unchanged.

[0239] S162. Adjust the temperature adjustment range of the HVAC based on the difference between the current ambient temperature and the ambient temperature requirement of the personnel cluster.

[0240] The purpose of this step is to, through obtaining the current ambient temperature and the difference in the ambient temperature requirement of the personnel cluster, for the already obtained current ambient temperature, it can be regarded as the initial ambient temperature, and recalculation is performed based on this value.

[0241] Among them, for the already obtained ambient temperature, it is regarded as the initial ambient temperature within the entire space, so as to further adjust the output temperature of the HVAC based on the initial ambient temperature, thereby obtaining a new output temperature, and then adjusting based on this new output temperature.

[0242] In some embodiments, the current ambient temperature is regarded as the source of interfering heat of the personnel cluster and calculations are performed. Then, recalculation is performed based on this interfering heat, so as to recalculate the temperature of the HVAC, thereby obtaining the adjustment range.

[0243] In some embodiments, the current ambient temperature is regarded as the source of interfering heat of the personnel cluster, and the temperature adjustment range is directly calculated based on this interfering heat. The calculation method is the same as the relationship equation between heat and temperature mentioned above.

[0244] S163. Adjust the output temperature of the HVAC based on the temperature adjustment range to adjust the temperature value of the HVAC in real time.

[0245] The purpose of this step is to, through obtaining the temperature adjustment range, directly perform automatic adjustment on the HVAC, so that when this parameter is obtained, the output temperature of the HVAC can be adjusted based on the temperature adjustment range.

[0246] Among them, after obtaining the temperature adjustment range, the output temperature of the HVAC is also increased or decreased based on the current cooling or heating working state of the HVAC.

[0247] In some embodiments, it is not necessary to obtain the temperature adjustment range of the HVAC. Instead, directly based on the temperature requirement of the personnel cluster and the current ambient temperature, the calculation result is directly obtained, and then directly based on this calculation result, the output temperature of the HVAC is adjusted to this output temperature value.

[0248] The beneficial effects of this application include:

[0249] 1. Independent control of each HVAC (Heating, Ventilation, and Air Conditioning) unit is achieved. Based on Internet of Things technology, the spatial location of each air conditioner within the air conditioner group is determined, and based on the corresponding relationship between the HVAC and the personnel clusters, the HVAC units for which temperature adjustments are to be made to the relevant personnel clusters are determined based on this relationship. Subsequently, the output temperature of the corresponding HVAC units is adjusted to ensure personalized adjustment of the output temperature of the HVAC units.

[0250] 2. The speed of spatial temperature adjustment of the HVAC units is increased. Based on the division of the personnel clusters, the environmental temperature requirements of each personnel cluster are determined simultaneously, and the corresponding HVAC units perform temperature adjustments. At the same time, based on the output airflows of the HVAC units, the temperature of the personnel cluster areas is adjusted. This can not only ensure that the personnel within the personnel cluster areas are all in the temperature environment of the HVAC units but also ensure that the environmental temperature of this area can be increased at a higher speed.

[0251] 3. Effective control of energy consumption is achieved. After determining the air conditioner output temperature of the personnel cluster areas, the environmental temperature of the space where the air conditioner group is located is also measured in real time. Subsequently, the temperature values of the HVAC units are adjusted. Based on the analysis of the environmental temperature and the environmental temperature requirements of the personnel clusters, and based on the difference between the two, the temperature values of the HVAC units are adjusted in real time to achieve the purpose of controlling energy consumption.

[0252] Those of ordinary skill in the art can understand that all or part of the steps of implementing the above method embodiments can be completed by hardware related to computer program instructions. The aforementioned computer program can be stored in a non-volatile storage medium. When this computer program is executed, it performs the steps including those of the above method embodiments. Alternatively, if the above integrated units of the present invention are implemented in the form of software function modules and sold or used as independent products, they can also be stored in a non-volatile storage medium. Based on such an understanding, the technical solutions of the embodiments of the present invention, in essence, or the part that contributes to the prior art, can be embodied in the form of a software product. This computer software product is stored in a non-volatile storage medium and includes several instructions for causing an electronic device (which can be a personal computer, a server, a network device, etc.) to execute all or part of the methods described in various embodiments of the present invention.

[0253] As described above, the above are only the specific implementation manners of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention can easily think of changes or substitutions, which should all be covered within the protection scope of the present invention.

Claims

1. An automatic temperature control method for heating, ventilation, and air conditioning based on the Internet of Things, characterized in that, The automatic control method includes: Based on the communication network of all the HVACs in the air conditioner group, sending / receiving adaptive control information among the HVACs; Establishing a space coordinate system in the space where the air conditioner group is located, and obtaining the coordinates of the HVACs and the coordinates of the personnel cluster in the space coordinate system; Obtaining the environmental temperature requirements of the personnel cluster, establishing the correspondence between the personnel cluster coordinate area and the HVACs, and obtaining the temperature regulation relationship; Based on the temperature regulation relationship, obtaining the target output temperature of the HVACs; Based on the target output temperature of the HVACs, adjusting the output temperature of the HVACs, including: Based on the coordinates of the HVACs, obtaining the relative configuration relationship of the HVACs; Based on the relative configuration relationship, obtaining the heat input to the personnel cluster by the non-coordinated HVACs in the personnel cluster to obtain the interference heat, including: Based on the spatial position of the HVACs and the coordinates of the personnel cluster, obtaining the distance between the HVACs and the personnel cluster to obtain the air conditioner-personnel distance. If the air conditioner-personnel distance is not higher than the preset air conditioner-personnel distance, marking the HVAC corresponding to the air conditioner-personnel distance as the interfering air conditioner; Based on the distance between the interfering air conditioner and the personnel cluster, obtaining the interference heat. The determination equation of the interference heat is: ； Among them, represents the interfering heat; p represents the label retrieval interfering with the air conditioner; q represents the total amount of label retrieval interfering with the air conditioner; C represents the specific heat capacity of air; m represents the air quality of the personnel cluster; represents the environmental temperature requirement of the personnel cluster; represents the p output temperature of the th air conditioner interfering with the air conditioner; p represents the distance between the k th air conditioner interfering with the air conditioner and the personnel cluster; represents the heat transfer coefficient; Based on the interference heat, adjusting the output temperature of the HVACs to obtain the target temperature. The determination equation of the target temperature is: ； Among them, represents the target temperature; represents the i th output temperature of the heating, ventilation, and air conditioning (HVAC); represents the interfering heat; C represents the specific heat capacity of air, m represents the air quality of the personnel cluster; Based on the sending / receiving channel of the adaptive control information among the HVACs, adaptively adjusting the output temperature of the HVACs; Based on the environmental temperature in the space where the air conditioner group is located, real-time adjusting the temperature value of the HVACs.

2. The automatic temperature control method for HVAC based on the Internet of Things according to claim 1, characterized in that The step of sending / receiving adaptive control information among the HVACs based on the communication network of all the HVACs in the air conditioner group includes: Based on the communication system of the HVACs, establishing the communication network within the air conditioner group; Based on the communication network, setting the identification marks of the HVACs; Based on the identification marks, establishing the communication identification codes of the HVACs; Based on the communication identification codes, conducting HVAC communication within the air conditioner group and establishing the sending / receiving channel of the adaptive control information among the HVACs.

3. The automatic temperature control method for HVAC based on the Internet of Things according to claim 1, characterized in that The step of establishing a space coordinate system in the space where the air conditioner group is located and obtaining the coordinates of the HVACs and the coordinates of the personnel cluster in the space coordinate system includes: Obtaining the ground center point of the space where the air conditioner group is located, and the ground center point is the origin of the space coordinate system; Based on the origin of the space coordinate system, establishing the space coordinate system; Based on the installation height of the HVACs and the ground projection in the space where the air conditioner group is located, obtaining the coordinates of the HVACs; Obtaining the coordinates of the personnel in the space where the air conditioner group is located, and obtaining the personnel cluster state based on the coordinates of the personnel; Based on the personnel cluster state, obtaining the area of the personnel cluster and the center point coordinates of the personnel cluster, and the center point coordinates are the coordinates of the personnel cluster.

4. The method for automatically controlling the temperature of a heating, ventilation, and air conditioning (HVAC) system based on the Internet of Things according to claim 1, wherein, Obtaining the environmental temperature requirements of the personnel cluster, establishing the correspondence between the coordinate area of the personnel cluster and the HVAC, and obtaining the temperature control relationship, includes: Based on the environmental temperature requirements of the personnel cluster, obtaining the environmental temperature data of the personnel cluster; Obtaining the spacing between the coordinate of the personnel cluster and the HVAC to obtain the sub-region spacing, comparing the sub-region spacing with the preset sub-region spacing, when the sub-region spacing is not higher than the preset sub-region spacing, the HVAC corresponding to the sub-region spacing is the coordinated control air conditioner; Based on the spacing between the coordinated control air conditioner and the coordinate of the personnel cluster, obtaining the temperature control relationship; Based on the coordinated control air conditioner, establishing the environmental temperature control air conditioner group of the personnel cluster, establishing a communication relationship among the coordinated control air conditioners in the air conditioner group to obtain a coordinated control network; Based on the coordinated control network and the temperature control relationship, obtaining the temperature control relationship of the HVAC.

5. The method for automatically controlling the temperature of a heating, ventilation, and air conditioning (HVAC) system based on the Internet of Things according to claim 4, wherein, The obtaining the spacing between the coordinate of the personnel cluster and the HVAC to obtain the sub-region spacing, comparing the sub-region spacing with the preset sub-region spacing, when the sub-region spacing is not higher than the preset sub-region spacing, the HVAC corresponding to the sub-region spacing is the coordinated control air conditioner, includes: Obtaining the coordinates of the personnel cluster and the HVAC to obtain the relative position coordinates; Based on the relative position coordinates, obtaining the sub-region spacing, and the determination equation of the sub-region spacing is: ； Among them, represents the sub-region spacing; represents the abscissa of the coordinate point where the HVAC is located; represents the ordinate of the coordinate point where the HVAC is located; represents the abscissa of the coordinate point at the edge of the personnel cluster area range; represents the ordinate of the coordinate point at the edge of the personnel cluster area range; e represents the coordinate point index at the edge of the personnel cluster range; f represents the total amount of the coordinate point indices at the edge of the personnel cluster area range; h represents the ground spacing of the space where the HVAC and the air-conditioning group are located; Comparing the sub-region spacing with the preset sub-region spacing, when the sub-region spacing is not higher than the preset sub-region spacing, the HVAC corresponding to the sub-region spacing is identified as the coordinated control air conditioner.

6. The automatic temperature control method for heating, ventilation and air conditioning based on the Internet of Things according to claim 4, wherein The obtaining the temperature control relationship based on the spacing between the coordinated control air conditioner and the coordinate of the personnel cluster, includes: Based on the initial environmental temperature of the personnel cluster and the environmental temperature requirements of the personnel cluster, obtaining the heat change value of the personnel cluster; Based on the heat change value of the personnel cluster and the sub-region spacing, obtaining the output heat of the HVAC, and the output heat equation of the HVAC is: ； Among them, represents the output heat of the i th heating, ventilation, and air conditioning (HVAC); represents the environmental temperature requirement of the personnel cluster; represents the initial environmental temperature of the personnel cluster; C represents the specific heat capacity of air; m represents the air quality of the personnel cluster; represents the i sub-region spacing of the i th HVAC; j represents the total amount of sub-region spacing retrieval of the HVAC.

7. The method for automatically controlling the temperature of a heating, ventilation and air conditioning (HVAC) system based on the Internet of Things according to claim 1, wherein The obtaining the target output temperature of the HVAC based on the temperature control relationship, includes: Based on the temperature control relationship, obtaining the output temperature of each HVAC, and the output temperature equation of the HVAC is: ； Among them, represents the i output temperature of the th i HVAC; represents the environmental temperature requirement of the personnel cluster; represents the initial environmental temperature of the personnel cluster; C represents the specific heat capacity of air; m represents the air quality of the personnel cluster; represents the i sub - area spacing of the i th j HVAC; k represents the heat transfer coefficient; The calculation equation of the heat transfer coefficient is: ； Among them, k represents the heat transfer coefficient; h represents the convective heat transfer coefficient, which is determined by an empirical formula; P represents the perimeter of the air outlet of the air conditioner; represents the mass flow rate of air, C represents the specific heat capacity of air.

8. The automatic temperature control method for HVAC based on the Internet of Things according to claim 1, wherein The real-time adjustment of the temperature value of the HVAC based on the environmental temperature of the space where the air conditioner group is located, includes: Obtaining the environmental temperature of the space where the air conditioner group is located to obtain the current environmental temperature; Based on the difference between the current environmental temperature and the environmental temperature requirements of the personnel cluster, adjusting the temperature adjustment range of the HVAC; Based on the temperature adjustment range, adjusting the output temperature of the HVAC to real-time adjust the temperature value of the HVAC.

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