An intelligent indoor drainage system design method and system

Abstract

The present invention relates to the technical field of interior design, and in particular to a design method and system for an intelligent indoor drainage system. Specifically, the method is to select a starting component as a root node, determine a drainage system, use the root node as a reference water level, construct a starting main path along the orientation of the root node, offset the starting main path 45° to the left and right respectively to construct a positive region, define the terminating components located in the positive region as main path components, define the terminating components not located in the positive region as branch components, and construct the main path pipeline according to the main path connection operation for the main path components; then divide the plane region into a left region and a right region according to the starting main path, and connect the branch components in the same region by means of branch connection operation or auxiliary pipeline connection operation to complete the connection of all components of a drainage system; finally, select other starting components to determine other drainage systems, and repeat the above steps to achieve the design of multiple drainage systems.

Description

Technical Field

[0001] The present invention relates to the technical field of interior design, and particularly to a design method and system for an intelligent indoor drainage system. Background Art

[0002] In the home decoration planning, the design of the indoor drainage system is a very important content, which is directly related to the hygiene of the home environment and the living quality of the residents. The prominent problems include noise problems, wastewater overflow problems, dripping and leakage problems, etc. These problems will affect the lives of residents at least, and may cause civil disputes and disease spread at worst, resulting in serious consequences. Therefore, it is very necessary to design a scientific sewer drainage system according to the house type, which can not only enhance the safety and reliability of the indoor drainage system, but also bring a comfortable living experience to the residents.

[0003] The design of traditional drainage systems relies on the experience and subjectivity of designers. For novice designers, it is easy to cause unreasonable design of the drainage system due to lack of experience, failing to meet the process requirements. On the other hand, during the process of designing the drainage system, it is greatly affected by subjective factors and it is difficult to achieve process unity. Summary of the Invention

[0004] The first object of the present invention is to propose a design method for an intelligent indoor drainage system, which abstracts the drainage process, and automatically and reasonably plans the drainage path according to different house type structures on the premise of meeting the construction process, simplifying the drainage system. Moreover, while ensuring the safety and reliability of indoor drainage, it reduces the drainage materials used and lowers the cost.

[0005] Another object of the present invention is to propose a system for the design of an intelligent indoor drainage system.

[0006] To achieve this purpose, the present invention adopts the following technical solutions:

[0007] A design method for an intelligent indoor drainage system includes the following steps:

[0008] Step A: Select a starting component as a root node, determine a drainage system, use the root node as the reference water level, construct a starting main path along the orientation of the root node, offset the starting main path 45° to the left and right respectively to construct a positive region, define the terminating components located in the positive region as main path components, define the terminating components not located in the positive region as branch components, and construct the main path pipeline by performing the main path connection operation on the main path components;

[0009] Step B: Divide the planar region into a left region and a right region according to the starting main road. Select a branch element, find the main road element that is on the same side as the branch element itself and is the closest in distance, use this main road element as the new reference water level, and use the main road pipeline connected to this main road element as the second main road. Offset the second main road 45° to the left and right respectively to construct a second positive region. When the branch element is located in the second positive region, connect the branch element to the second main road to construct a branch pipeline; when the branch element is not located in the second positive region, define the branch element as a branch element in the negative region.

[0010] Traverse all branch elements and execute Step B, and execute Step C for the branch elements in the negative region.

[0011] Step C: Divide the planar region into a left region and a right region according to the starting main road, divide the branch elements in the negative region, for the branch elements on the same side, use the branch element that is the farthest from the starting element as the new reference water level, construct an auxiliary pipeline and connect it to the starting main road, use this auxiliary pipeline as the third main road, offset the third main road 45° to the left and right respectively to construct a third positive region, and the remaining branch elements on the same side execute Steps A to B.

[0012] Step D: Select other starting elements to determine other drainage systems, and repeat Steps A - C to realize the design of multiple drainage systems.

[0013] Preferably, before Step A, there is also an initial setting Step A1, including the following steps:

[0014] Count the number of starting elements and group them. Each starting element represents a drainage system, and all the terminating elements in this system will be discharged from the corresponding starting element of the system; according to actual needs, set the terminating elements and arrange the terminating elements into the pre-grouped drainage systems; where the starting elements include floor drains or sewage inlets, and the terminating elements include drain outlets and / or sewage outlets.

[0015] Preferably, in Step A, the construction of the starting main road along the orientation of the root node includes the step of determining the orientation of the starting main road:

[0016] Take the root node as the starting point and customize a direction as the extension direction of the main road;

[0017] Or determine the wall closest to the root node, and use the direction from the center of this wall towards the center of the room as the extension direction of the main road.

[0018] Preferably, in Step A, the construction of the main road pipeline by connecting the main road elements according to the main road connection operation includes the following steps:

[0019] Step A1: Project all the main road elements vertically onto the main road to obtain their respective projection points.

[0020] Step A2: Sort in ascending order according to the distance between the projection point and the reference water level to obtain a sorted list.

[0021] Step A3: Connect the main road components to the starting main road in sequence according to the sorted list to construct the main road pipeline.

[0022] Preferably, when performing pipeline connection, the following settings are specifically included:

[0023] Setting 1: When connecting any two pipelines, keep the included angle at the pipeline connection as 45°.

[0024] Setting 2: For the main road pipeline or branch pipeline or auxiliary pipeline that is finally connected to the starting main road, set a 45° elbow at the turning point, and set a tee joint at the connection of the remaining main road pipelines or branch pipelines or auxiliary pipelines.

[0025] Setting 3: When the root node is the lower sewage outlet or there is a sewage outlet in the drainage system, the diameter of the starting main road is 110 mm; in other cases, the diameter of the starting main road is 75 mm.

[0026] Setting 4: When the drainage outlet with a diameter specification of 50 mm or 75 mm is exactly located on the starting main road, a water seal bend with a diameter specification of 110 mm needs to be set, and a reducing joint needs to be set when connecting the water seal bend and the drainage outlet with a diameter specification of 50 mm or 75 mm.

[0027] An intelligent indoor drainage system design system includes a preliminary operation module, a branch operation module, an auxiliary operation module, and a repeated execution module;

[0028] The preliminary operation module is used to select a starting component as a root node, determine a drainage system, select one of the drainage systems, use the root node as the reference water level, construct the starting main road along the orientation of the root node, offset the starting main road 45° to the left and right respectively to construct a positive region, define the termination components located in the positive region as main road components, define the termination components not located in the positive region as branch components, and construct the main road pipeline according to the main road connection operation for the main road components;

[0029] The branch operation module is used to divide the plane area into a left area and a right area according to the starting main road, select a branch component, find the main road component that is on the same side as the branch component itself and has the shortest distance, use this main road component as the new reference water level, use the main road pipeline connected to this main road component as the second main road, offset the second main road 45° to the left and right respectively to construct a second positive region, and when the branch component is located in the second positive region, connect the branch component to the second main road to construct a branch pipeline; when the branch component is not located in the second positive region, define the branch component as a branch component in the negative region;

[0030] Traverse all branch components to execute the above process, and execute the auxiliary operation module for the branch components in the negative region;

[0031] The auxiliary operation module is used to execute the division of the plane area into a left area and a right area according to the starting main road, divide the branch components in the negative region, for the branch components on the same side, use the branch component farthest from the starting component as the new reference water level, construct an auxiliary pipeline to connect to the starting main road, use this auxiliary pipeline as the third main road, offset the third main road 45° to the left and right respectively, construct the third positive region, and execute the preliminary operation module and the branch operation module for the remaining branch components on the same side;

[0032] The repeated execution module is used to execute the selection of other starting components to determine other drainage systems, and repeatedly execute the preliminary operation module, the branch operation module and the auxiliary operation module to realize the design of multiple drainage systems.

[0033] Preferably, it further includes an initial setting module;

[0034] The initial setting module is used to execute the statistics and grouping of the number of starting components. Each starting component represents a drainage system, and the termination components in this system will be discharged from the starting component of the corresponding system; according to actual needs, set the termination components and arrange the termination components into the pre-grouped drainage systems; where the starting components include sewer inlets or sewage inlets, and the termination components include drainage outlets and / or sewage outlets.

[0035] Preferably, the preliminary operation module includes a direction determination sub-module;

[0036] The direction determination sub-module is used to execute starting from the root node and customizing a direction as the extension direction of the main road; or determining the wall closest to the root node, and using the direction from the center of this wall towards the center of the room as the extension direction of the main road.

[0037] Preferably, the preliminary operation module further includes a main road connection operation sub-module;

[0038] The main road connection operation sub-module includes executing the vertical projection of all main road components onto the main road to obtain their respective projection points; sorting the projection points according to the distance from the projection points to the reference water level from small to large to obtain an arrangement list; and sequentially connecting the main road components to the starting main road according to the arrangement list to construct the main road pipeline.

[0039] Preferably, it further includes a pipeline connection module, and the pipeline connection module includes a first setting sub-module, a second setting sub-module, a third setting sub-module and a fourth setting sub-module;

[0040] The first setting sub-module is used to execute that when any two pipes are connected, the included angle at the pipe connection is maintained at 45°;

[0041] The second setting sub-module is used to execute that a 45° adapter is set at the turning point of the main road pipe or branch pipe or auxiliary pipe that is finally connected to the starting main road, and a tee adapter is set at the connection of the remaining main road pipes or branch pipes or auxiliary pipes;

[0042] The third setting sub-module is used to execute that when the root node is the lower sewage outlet or there is a sewage outlet in the drainage system, the diameter of the starting main road is 110mm, and in other cases, the diameter of the starting main road is 75mm;

[0043] The fourth setting sub-module is used to execute that when the drainage outlet with a diameter specification of 50mm or 75mm is exactly located on the starting main road, a water seal bend with a diameter specification of 110mm needs to be set, and a reducing joint needs to be set when connecting the water seal bend and the drainage outlet with a diameter specification of 50mm or 75mm.

[0044] One of the technical solutions in the above technical solutions has the following beneficial effects:

[0045] (1) By abstracting the drainage process, not only can the drainage path be reasonably planned automatically according to different household types under the premise of meeting the construction process, simplifying the drainage system. Moreover, while ensuring the safety and reliability of indoor drainage, the integrity of each drainage system is detected, and after the pipe laying design, according to the types of components connected to each pipe, pipes and fittings of corresponding sizes are selected, which is convenient for designers to check the components not connected to the drainage system and avoid economic losses and material waste caused by rework.

[0046] (2) The drainage pipe system can be simulated in a two-dimensional or three-dimensional scene, enabling users to intuitively feel the pipe laying scheme. Through accurate modeling expression, it corresponds one by one to the materials of actual construction, providing an accurate basis for subsequent order generation and ensuring a 1:1 restoration and implementation. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] Figure 1 is the overall flowchart of a method for designing an intelligent indoor drainage system of the present invention;

[0048] Figure 2 is the schematic diagram of the principle of positive region construction of a method for designing an intelligent indoor drainage system of the present invention;

[0049] Figure 3 is the implementation schematic diagram of positive region construction of a method for designing an intelligent indoor drainage system of the present invention;

[0050] Figure 4 is the 45° connection schematic diagram of a method for designing an intelligent indoor drainage system of the present invention;

[0051] Figure 5 It is a schematic diagram of an embodiment of a design method for an intelligent indoor drainage system of the present invention;

[0052] Figure 6 It is a schematic diagram of implementing an auxiliary pipeline construction for a design method of an intelligent indoor drainage system of the present invention;

[0053] Figure 7 It is a schematic diagram of implementing a main pipeline construction for a design method of an intelligent indoor drainage system of the present invention;

[0054] Figure 8 It is a schematic diagram of the effect of a design system for an intelligent indoor drainage system of the present invention; Specific implementation manners

[0055] The technical solution of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation manners.

[0056] As Figures 1-7 shown, a design method for an intelligent indoor drainage system includes the following steps:

[0057] Step A: Select a starting element as a root node, determine a drainage system, use the root node as the reference water level, construct a starting main path along the orientation of the root node, offset the starting main path 45° to the left and right respectively to construct a positive region, define the terminating elements within the positive region as main path elements, define the terminating elements not within the positive region as branch elements, and construct the main path pipeline according to the main path connection operation for the main path elements;

[0058] Step B: Divide the planar region into a left region and a right region according to the starting main path, select a branch element, find the main path element on the same side as the branch element itself and with the shortest distance, use this main path element as the new reference water level, and use the main path pipeline connected to this main path element as the second main path. Offset the second main path 45° to the left and right respectively to construct a second positive region. When the branch element is within the second positive region, connect the branch element to the second main path to construct a branch pipeline; when the branch element is not within the second positive region, define the branch element as a branch element within the negative region;

[0059] Traverse all branch elements to execute Step B, and execute Step C for the branch elements within the negative region;

[0060] Step C: Divide the planar region into a left region and a right region according to the starting main road, divide the branch components in the negative region, for the branch components on the same side, use the branch component farthest from the starting component as the new reference water level, construct an auxiliary pipeline to connect to the starting main road, use this auxiliary pipeline as the third main road, offset the third main road 45° to the left and right respectively to construct the third positive region, and the remaining branch components on the same side execute Steps A to B;

[0061] Step D: Select other starting components to determine other drainage systems, and repeat Steps A - C to achieve the design of multiple drainage systems.

[0062] Through the abstraction of the drainage process, the present invention not only automatically and reasonably plans the drainage path according to different house types under the premise of meeting the construction process, simplifying the drainage system. Moreover, while ensuring the safety and reliability of indoor drainage, each drainage system is subjected to integrity detection, and after the pipe routing design, according to the types of components connected to each pipeline, pipes and fittings of corresponding sizes are selected, which is convenient for designers to check the components not connected to the drainage system and avoid economic losses and material waste caused by rework.

[0063] As Figure 2 shown, corresponding to Step A: Using the root node as the reference water level, construct the starting main road along the orientation of the root node, and offset the starting main road 45° to the left and right respectively to construct the positive region.

[0064] As Figure 3 shown, corresponding to Step A: Define the termination components in the positive region as main road components, define the termination components not in the positive region as branch components, and construct the main road pipeline for the main road components according to the main road connection operation.

[0065] For further explanation, before Step A, there is also an initial setup Step A1, including the following steps:

[0066] Count the number of starting components and group them. Each starting component represents a drainage system, and the termination components within this system will all be discharged from the starting component of the corresponding system; according to actual needs, set the termination components and arrange the termination components into the pre-grouped drainage systems; where the starting components include drain outlets or sewage inlets, and the termination components include drain ports and / or sewage discharge ports.

[0067] In the drainage system, the drainage components are divided into two categories. One category is the end components of drain ports and sewage discharge ports, such as floor drains, toilet sewage discharge ports, etc.; the other category is the starting components of drain outlets and sewage inlets, that is, the final flow direction of sewage and dirt, such as the outlet reserved for the house type. The pipe routing types are divided into drainage pipes and sewage pipes according to different uses, but in terms of technology, sometimes the drainage pipes are also connected to the sewage pipes, and the present invention adopts the design method of a hybrid pipeline of the two.

[0068] Before draining the pipes, the designer manually places the starting element and the ending element according to their own needs. Then, the number of starting elements is counted and grouped. Each starting element represents a drainage system. The designer selects the component elements of the drainage system and arranges the ending element into the pre-grouped drainage system mentioned above. The system can include both drainage outlets and sewage outlets, and the sewage and dirt in the system will be discharged from the corresponding starting element. Each drainage system will independently design the pipe routing according to the steps in the flowchart as shown in Figure 1 shown below.

[0069] For further illustration, in step A, constructing the starting main path along the orientation of the root node includes the step of determining the orientation of the starting main path:

[0070] Taking the root node as the starting point, customizing a direction as the extension direction of the main path;

[0071] Or determining the wall closest to the root node, and using the direction from the center of this wall towards the center of the room as the extension direction of the main path.

[0072] For a single drainage system, taking the drain outlet / sewage outlet in the system as the root node of the current drainage system, constructing the starting main path of the drainage system according to the orientation of the drain outlet / sewage outlet, determining the most important circulation pipeline of the entire drainage system, and thus determining the main pipeline, branch pipelines, and auxiliary pipelines for connecting the subsequent drain outlets / sewage outlets.

[0073] For further illustration, in step A, constructing the main path pipeline by connecting the main path elements according to the main path connection operation includes the following steps:

[0074] Step A1: Project all the main path elements vertically onto the main path to obtain their respective projection points;

[0075] Step A2: Sort the projection points in ascending order according to their distances from the reference water level to obtain a sorted list;

[0076] Step A3: Connect the main path elements to the starting main path in sequence according to the sorted list to construct the main path pipeline.

[0077] The main path connection operation can ensure the orderly construction of the main path pipeline.

[0078] For further illustration, when connecting the pipes, the following specific setting situations are included:

[0079] Setting 1: When connecting any two pipes, keep the angle at the pipe connection at 45°. Inevitably, there will be branches in the drainage pipes. If the corners of the branches are connected vertically, it is very easy to have blockages caused by hair and dirt. Therefore, the angle at the pipe connection needs to be kept at 45°, as shown in Figure 4 shown.

[0080] Setting 2: Set a 45° adapter at the turning point of the main road pipe or branch pipe or auxiliary pipe that is finally connected to the starting main road, and set a three-way adapter at the connection of the remaining main road pipes or branch pipes or auxiliary pipes. On the basis of keeping the angle at the pipe connection at 45°, set a 45° adapter.

[0081] Setting 3: When the root node is the lower sewage outlet or there is a sewage outlet in the drainage system, the diameter of the starting main road is 110 mm. In other cases, the diameter of the starting main road is 75 mm. Since the pipes connected to the sewage outlet may be blocked by dirt, hair, etc., the diameter needs to be set relatively large.

[0082] Setting 4: When the drainage outlet with a diameter specification of 50 mm or 75 mm is exactly located on the starting main road, a water seal bend with a diameter specification of 110 mm needs to be set, and a reducing joint needs to be set when connecting the water seal bend and the drainage outlet with a diameter specification of 50 mm or 75 mm. The reducing joint enables smooth connection between drainage outlets of different specifications and the water seal bend.

[0083] An intelligent indoor drainage system design system, including a preliminary operation module, a branch operation module, an auxiliary operation module, and a repeated execution module;

[0084] The preliminary operation module is used to select a starting element as a root node, determine a drainage system, select one of the drainage systems, use the root node as the reference water level, construct the starting main road along the orientation of the root node, offset the starting main road 45° to the left and right respectively to construct a positive area, define the terminating elements within the positive area as main road elements, define the terminating elements not within the positive area as branch elements, and construct the main road pipes according to the main road connection operation for the main road elements;

[0085] The branch operation module is used to divide the plane area into a left area and a right area according to the starting main road, select a branch element, find the main road element on the same side as and closest to the branch element itself, use this main road element as the new reference water level, and use the main road pipe connected to this main road element as the second main road. Offset the second main road 45° to the left and right respectively to construct a second positive area. When the branch element is within the second positive area, connect the branch element to the second main road to construct the branch pipe; when the branch element is not within the second positive area, define the branch element as a branch element within the negative area;

[0086] Traverse all branch components to execute the above process, and execute the auxiliary operation module for the branch components in the negative region;

[0087] The auxiliary operation module is used to divide the plane area into a left area and a right area according to the starting main road, divide the branch components in the negative region, for the branch components on the same side, use the branch component farthest from the starting component as the new reference water level, construct an auxiliary pipeline to connect to the starting main road, use this auxiliary pipeline as the third main road, offset the third main road 45° to the left and right respectively, construct the third positive region, and execute the preliminary operation module and the branch operation module for the remaining branch components on the same side;

[0088] The repeated execution module is used to select other starting components to determine other drainage systems, and repeatedly execute the preliminary operation module, the branch operation module and the auxiliary operation module to realize the design of multiple drainage systems.

[0089] The system of the present invention can simulate a drainage pipeline system in a two-dimensional or three-dimensional scene, enabling users to intuitively feel the pipeline laying scheme. Through accurate modeling expression, it corresponds one by one to the materials of actual construction, providing an accurate basis for subsequent order generation and ensuring a 1:1 restoration and implementation.

[0090] Furthermore, it also includes an initial setting module;

[0091] The initial setting module is used to count the number of starting components and group them. Each starting component represents a drainage system, and the termination components in this system will all be discharged from the corresponding starting component; according to actual needs, set the termination components and arrange the termination components into the pre-grouped drainage systems; where the starting components include sewer inlets or sewage inlets, and the termination components include drainage outlets and / or sewage outlets.

[0092] Furthermore, the preliminary operation module includes a direction determination sub-module;

[0093] The direction determination sub-module is used to use the root node as the starting point and customize a direction as the extension direction of the main road; or determine the wall closest to the root node, and use the direction from the center of this wall towards the center of the room as the extension direction of the main road.

[0094] Furthermore, the preliminary operation module also includes a main road connection operation sub-module;

[0095] The main road connection operation sub-module includes executing the vertical projection of all main road components onto the main road to obtain their respective projection points; sorting them in ascending order according to the distance between the projection points and the reference water level to obtain a sorted list; and sequentially connecting the main road components to the starting main road according to the sorted list to construct the main road pipeline.

[0096] Further explanation, it also includes a pipeline connection module, the pipeline connection module includes a first setting submodule, a second setting submodule, a third setting submodule and a fourth setting submodule;

[0097] The first setting submodule is used to maintain the angle at the connection of the pipes at 45° when connecting any two pipes;

[0098] The second setting submodule is used to set a 45° adapter at the bend of the last main pipeline, branch pipeline or auxiliary pipeline connected to the starting main road, and set three-way adapters at the connection points of the remaining main pipelines, branch pipelines or auxiliary pipelines;

[0099] The third setting submodule is used to execute that when the root node is a sewage outlet, or there is a sewage outlet in the drainage system, the pipe diameter of the starting main road is 110 mm, and if it is other cases, the pipe diameter of the starting main road is 75 mm;

[0100] The fourth setting submodule is used to execute when a drain outlet with a diameter of 50mm or 75mm is located on the starting main road, a water trap with a diameter of 110mm needs to be set, and a reducer needs to be set when connecting the water trap and the drain outlet with a diameter of 50mm or 75mm.

[0101] The technical principle of the present invention is described above in conjunction with specific embodiments. These descriptions are only for explaining the principle of the present invention and cannot be interpreted as limiting the scope of protection of the present invention in any way. Based on the explanations herein, those skilled in the art can associate other specific embodiments of the present invention without creative work, and these equivalent variations or substitutions are all included in the scope defined by the claims of this application.

Claims

1. A design method for an intelligent indoor drainage system, characterized in that, It includes the following steps: Step A: Select a starting component as a root node, determine a drainage system, use the root node as the reference water level, construct a starting main road along the orientation of the root node, offset the starting main road 45° to the left and right respectively to construct a positive area, define the terminating components within the positive area as main road components, define the terminating components not within the positive area as branch components, and construct the main road pipeline by connecting the main road components according to the main road connection operation; Step B: Divide the plane area into a left area and a right area according to the starting main road, select a branch component, find the main road component on the same side of and closest to the branch component itself, use this main road component as the new reference water level, and use the main road pipeline connected to this main road component as the second main road. Offset the second main road 45° to the left and right respectively to construct a second positive area. When the branch component is within the second positive area, connect the branch component to the second main road to construct a branch pipeline; when the branch component is not within the second positive area, define the branch component as a branch component within the negative area; Traverse all branch components and execute Step B, and execute Step C for the branch components within the negative area; Step C: Divide the plane area into a left area and a right area according to the starting main road, divide the branch components within the negative area. For the branch components on the same side, use the branch component farthest from the starting component as the new reference water level, construct an auxiliary pipeline to connect to the starting main road, use this auxiliary pipeline as the third main road, offset the third main road 45° to the left and right respectively to construct a third positive area, and the remaining branch components on the same side execute Steps A to B; Step D: Select other starting components to determine other drainage systems, and repeat Steps A - C to achieve the design of multiple drainage systems; Before Step A, it also includes an initial setup Step A1, which includes the following steps: Count the number of starting components and group them. Each starting component represents a drainage system, and all terminating components within this system will be discharged from the starting component of the corresponding system; Set the terminating components according to actual requirements and arrange the terminating components into the pre - grouped drainage systems; where the starting components include drain outlets or sewage inlets, and the terminating components include drain outlets and / or sewage outlets.

2. The design method of an intelligent indoor drainage system according to claim 1, wherein, In Step A, the construction of the starting main road along the orientation of the root node includes the step of determining the orientation of the starting main road: Use the root node as the starting point and customize a direction as the extension direction of the main road; Or determine the wall closest to the root node, and use the direction from the center of this wall towards the center of the room as the extension direction of the main road.

3. A design method for an intelligent indoor drainage system according to claim 1, characterized in that, In Step A, constructing the main road pipeline by connecting the main road components according to the main road connection operation includes the following steps: Step A1: Vertically project all main road components onto the main road to obtain their respective projection points; Step A2: Sort according to the distances between the projection points and the reference water level from small to large to obtain a sorted list; Step A3: Connect the main road components to the starting main road in sequence according to the sorted list to construct the main road pipeline.

4. A design method for an intelligent indoor drainage system according to claim 1, characterized in that, When making pipeline connections, it specifically includes the following setting situations: Setting 1: When connecting any two pipelines, keep the included angle at the pipeline connection as 45°; Setting 2: A 45° adapter is set at the turning point of the main road pipeline or branch pipeline or auxiliary pipeline that is the last one connected to the starting main road, and a tee adapter is set at the connection of the remaining main road pipelines or branch pipelines or auxiliary pipelines; Setting 3: When the root node is the lower sewage outlet or there is a sewage outlet in the drainage system, the diameter of the starting main road is 110mm, and in other cases, the diameter of the starting main road is 75mm; Setting 4: When the drainage outlet with a diameter specification of 50mm or 75mm is exactly located on the starting main road, a water seal bend with a diameter specification of 110mm needs to be set, and a reducing joint needs to be set when connecting the water seal bend and the drainage outlet with a diameter specification of 50mm or 75mm.

5. An intelligent indoor drainage system design system, characterized in that, It includes a preliminary operation module, a branch operation module, an auxiliary operation module, and a repeated execution module; The preliminary operation module is used to select a starting element as a root node, determine a drainage system, select one of the drainage systems, use the root node as the reference water level, construct the starting main road along the orientation of the root node, offset the starting main road 45° to the left and right respectively to construct the positive region, define the termination elements within the positive region as main road elements, define the termination elements not within the positive region as branch elements, and construct the main road pipeline according to the main road connection operation for the main road elements; The branch operation module is used to divide the plane region into a left region and a right region according to the starting main road, select a branch element, find the main road element that is on the same side as the branch element itself and is the closest in distance, use this main road element as the new reference water level, and use the main road pipeline connected to this main road element as the second main road. Offset the second main road 45° to the left and right respectively to construct the second positive region. When the branch element is within the second positive region, connect the branch element to the second main road to construct the branch pipeline; when the branch element is not within the second positive region, define the branch element as a branch element within the negative region; Traverse all branch elements to execute the above process, and execute the auxiliary operation module for the branch elements within the negative region; The auxiliary operation module is used to divide the plane region into a left region and a right region according to the starting main road, divide the branch elements within the negative region, for the branch elements on the same side, use the branch element that is the farthest from the starting element as the new reference water level, construct an auxiliary pipeline to connect to the starting main road, use this auxiliary pipeline as the third main road, offset the third main road 45° to the left and right respectively to construct the third positive region, and execute the preliminary operation module and the branch operation module for the remaining branch elements on the same side; The repeated execution module is used to select other starting elements to determine other drainage systems, and repeatedly execute the preliminary operation module, the branch operation module, and the auxiliary operation module to realize the design of multiple drainage systems; It also includes an initial setting module; The initial setting module is used to count the number of starting elements and group them. Each starting element represents a drainage system, and all the termination elements within this system will be discharged from the starting element corresponding to this system; Set the termination element according to the actual requirements and arrange the termination element into the pre-grouped drainage system; wherein the starting element includes a drain outlet or a sewage outlet, and the termination element includes a drainage outlet and / or a sewage outlet.

6. The intelligent indoor drainage system design system according to claim 5, characterized in that, The preliminary operation module includes a direction determination sub-module; The direction determination sub-module is used to execute taking the root node as the starting point and customizing a direction as the extension direction of the main road; or determining the wall closest to the root node and taking the direction from the center of the wall towards the center of the room as the extension direction of the main road.

7. The intelligent indoor drainage system design system according to claim 5, characterized in that, The preliminary operation module further includes a main road connection operation sub-module; The main road connection operation sub-module includes executing the vertical projection of all main road elements onto the main road to obtain their respective projection points; sorting the projection points according to the distance from the projection points to the reference water level from small to large to obtain a sorting list; and connecting the main road elements to the starting main road in sequence according to the sorting list to construct the main road pipeline.

8. An intelligent indoor drainage system design system according to claim 5, characterized in that, It further includes a pipeline connection module, and the pipeline connection module includes a first setting sub-module, a second setting sub-module, a third setting sub-module, and a fourth setting sub-module; The first setting sub-module is used to execute that when connecting any two pipelines, the included angle at the pipeline connection is maintained at 45°; The second setting sub-module is used to execute that a 45° elbow is set at the turning point of the main road pipeline or branch pipeline or auxiliary pipeline that is finally connected to the starting main road, and a tee joint is set at the connection of the remaining main road pipelines or branch pipelines or auxiliary pipelines; The third setting sub-module is used to execute that when the root node is a sewage outlet or there is a sewage outlet in the drainage system, the diameter of the starting main road is 110 mm, and in other cases, the diameter of the starting main road is 75 mm; The fourth setting sub-module is used to execute that when a drainage outlet with a diameter specification of 50 mm or 75 mm is exactly located on the starting main road, a water seal bend with a diameter specification of 110 mm needs to be set, and a reducing joint needs to be set when connecting the water seal bend and the drainage outlet with a diameter specification of 50 mm or 75 mm.

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