BIM-based electrical drawing generation method, device, and medium

Abstract

The application provides a BIM electrical drawing generation method, device and medium. The method comprises the following steps: obtaining an architectural scheme drawing of a preset building; obtaining project electrical overall planning information based on preset project requirements corresponding to the preset building and the architectural scheme drawing; inputting electrical parameters in the electrical overall planning information into a preset electrical template drawing to obtain an electrical drawing; correcting and auditing the electrical drawing according to preset auditing rules, and optimizing the electrical drawing to obtain an optimized electrical drawing. In this way, the automatic generation of the BIM electrical drawing can be realized.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of BIM, in particular to a BIM-based electrical drawing generation method, device and medium. BACKGROUND

[0002] BIM is the abbreviation of Building Information Modeling or Building Information Management. BIM is based on the relevant information data of a building project to establish a three-dimensional building model and simulate the real information of the building through digital information. It has eight characteristics: information completeness, information correlation, information consistency, visualization, coordination, simulation, optimization and drawing. BIM (Building Information Model) is not simply integrating digital information, but an application of digital information, and can be used for design, construction and management of digital methods. This method supports the integrated management environment of building projects, which can significantly improve the efficiency and reduce the risk of building projects throughout the process.

[0003] In the prior art, electrical drawings can only be manually drawn. Especially in large complex projects, the building area is particularly large, and there are many complex electrical equipment such as water and heating, which results in a high time cost of manual drawing. SUMMARY

[0004] One of the purposes of the present application is to provide a BIM-based electrical drawing generation method, device and medium to solve the above technical problems.

[0005] Embodiments of the present application can be implemented as follows:

[0006] In a first aspect, the present application provides a BIM-based electrical drawing generation method, which comprises:

[0007] Obtaining a building scheme drawing of a predetermined building;

[0008] Obtaining project electrical overall planning information based on predetermined project requirements corresponding to the predetermined building and the building scheme drawing;

[0009] Inputting electrical parameters in the electrical overall planning information into a predetermined electrical sample drawing to obtain an electrical drawing;

[0010] According to predetermined drawing review rules, correcting and reviewing the electrical drawing, and completing optimization of the electrical drawing to obtain an optimized electrical drawing.

[0011] According to an embodiment of the present application, before the total electrical planning information of the project is obtained based on the preset project requirements corresponding to the preset building, the method comprises the following steps of:

[0012] The customer information of the preset building is determined, and the corresponding preset project requirements are obtained from a preset customer-standard library based on the customer information.

[0013] According to an embodiment of the present application, the electrical parameters include water heating electrical equipment information, fire alarm equipment information and lighting electrical equipment information, and the electrical drawing is obtained by inputting the electrical parameters in the total electrical planning information into a preset electrical template, which comprises the following steps of:

[0014] The electrical template with the highest matching degree with the preset building is selected from a preset electrical template database as the preset electrical template, wherein the matching degree is obtained by the weight of the matching values of the building type, area, function and property;

[0015] The water heating electrical equipment information, fire alarm equipment information and lighting electrical equipment information are input into the preset electrical template, and the electrical drawing is determined by using a preset AI algorithm, electrical load calculation and illumination calculation;

[0016] The electrical drawing comprises electrical equipment selection information and connection information.

[0017] According to an embodiment of the present application, the electrical drawing comprises a lighting electrical drawing, the water heating electrical equipment information, fire alarm equipment information and lighting electrical equipment information are input into the preset electrical template, and the electrical drawing is determined by using a preset AI algorithm, electrical load calculation and illumination calculation, which comprises the following steps of:

[0018] The basic information of each room in the preset building is obtained based on the architectural design drawing;

[0019] The lamps suitable for the room are determined based on the lighting electrical equipment information and the basic information of the room;

[0020] The number of lamps in the room is obtained by using a preset AI algorithm, which comprises the following steps of: determining a target illumination value according to the basic information of the room and the lighting electrical equipment information; obtaining characteristic parameters of the lamps; and calculating the number of lamps according to the basic information of the room, part of the characteristic parameters and the target illumination value;

[0021] The number of rows and columns of the lamps is determined based on the target number of lamps and the shape of the room, and the positions of the lamps are determined accordingly;

[0022] According to the position of the lamp, the connection between the lamp and the lamp, the lamp and the switch, and the lamp and the distribution box is determined, so as to obtain the lighting electrical diagram.

[0023] According to an embodiment provided by the present application, the electrical drawing includes a water heating electrical drawing, water heating electrical equipment information, fire alarm equipment information and lighting electrical equipment information are input into a preset electrical template drawing, and the electrical drawing is determined by using a preset AI algorithm, electrical load calculation and illumination calculation, including:

[0024] Based on the building scheme drawing, the function and area information of different areas in each floor of the preset building are obtained.

[0025] According to the function and area information and the preset load density index, a first type of distribution box with corresponding power and number is allocated at the corresponding position of the area.

[0026] The equipment information of the electrical equipment in the water heating electrical equipment information is obtained, and the equipment information of the electrical equipment includes the position, number and power of the electrical equipment.

[0027] The first type of distribution box and the electrical equipment are connected in the plan by using a preset AI algorithm, so as to obtain the water heating electrical drawing.

[0028] According to an embodiment provided by the present application, the electrical drawing includes a fire alarm drawing, water heating electrical equipment information, fire alarm equipment information and lighting electrical equipment information are input into a preset electrical template drawing, and the electrical drawing is determined by using a preset AI algorithm, electrical load calculation and illumination calculation, including:

[0029] Based on the building scheme drawing, the building design model information of different areas in the floor of the preset building is obtained, and the building design model information includes site slab beam information, room function and area information.

[0030] Based on the building design model information, the type of fire detection device is selected.

[0031] According to the function, area information and type of the fire detection device, the maximum protection radius of the fire detection device is determined, the minimum arrangement value of the number of fire detection devices in each fire alarm and detection area is calculated, so as to obtain the arrangement information of the fire detection device.

[0032] Based on the arrangement information, the points of the fire detection device are connected by using a preset AI algorithm, so as to obtain the fire alarm drawing.

[0033] The fire detection device and the fire detection device are connected by the nearest principle, the fire detection device and the fire detection device cannot cross the building fireproof partition, the fire detection device and the fire detection device are connected with not more than 32 points, more than 32 points need to increase the short circuit isolator, all connections are connected to the weak current well fire module box by the shortest line principle.

[0034] According to an embodiment provided by the application, the method further comprises:

[0035] Based on the electrical drawing and the building scheme drawing, hole information is generated.

[0036] According to an embodiment provided by the application, the method further comprises:

[0037] Based on the optimized electrical drawing and the cost rule, cost information is determined.

[0038] In a second aspect, the application provides a computer device, comprising a processor and a memory, the memory stores a computer program capable of being executed by the processor, and the processor can execute the computer program to realize the BIM-based electrical drawing generation method according to the first aspect.

[0039] In a third aspect, the application provides a readable storage medium, which stores a computer program, and the computer program is executed by a processor to realize the BIM-based electrical drawing generation method according to the first aspect.

[0040] The BIM-based electrical drawing generation method, device and medium provided by the application can obtain the project electrical overall planning information through the preset building scheme drawing of the preset building and the preset project requirements corresponding to the preset building, input the electrical parameters in the electrical overall planning information into the preset electrical sample drawing to obtain the electrical drawing, correct and review the electrical drawing according to the preset drawing review rule, and complete the optimization of the electrical drawing to obtain the optimized electrical drawing. The electrical overall planning information can be obtained through the preset project requirements corresponding to the preset building and the building scheme drawing, the electrical drawing can be automatically generated based on the electrical overall planning information and the preset electrical sample drawing, the automatic correction and review of the electrical drawing can be realized by using the preset drawing generation rule, the drawing process of the electrical drawing is greatly reduced, the generation efficiency is improved, and the labor cost is reduced. Furthermore, the hole information and the cost information can be automatically generated, and the subsequent calculation cost is greatly reduced. BRIEF DESCRIPTION OF DRAWINGS

[0041] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some of the embodiments of the present application, and therefore should not be considered as limiting the scope. For those skilled in the art, other related drawings can also be obtained without creative labor.

[0042] Figure 1 The first embodiment of the BIM-based electrical drawing generation method provided by the embodiments of the present application is shown in the schematic flowchart.

[0043] Figure 2 The first embodiment of the BIM-based electrical drawing generation method provided by the embodiments of the present application is shown in the schematic flowchart. Figure 1 The first embodiment of the BIM-based electrical drawing generation method provided by the embodiments of the present application is shown in the schematic flowchart.

[0044] Figure 3 The block schematic diagram of the computer device provided by the embodiments of the present application is shown. DETAILED DESCRIPTION

[0045] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, but not all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0046] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0047] It should be noted that: similar numbers and letters represent similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0048] In the description of the present application, it should be noted that if the terms "upper", "lower", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship when the product of the present application is used, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0049] In addition, if the terms "first", "second" and the like are used herein, they are merely used to distinguish one entity from another, and do not imply or suggest relative importance.

[0050] It should be noted that the features in the embodiments of the present application can be combined with each other without conflict.

[0051] The embodiment of the present application provides a BIM-based electrical drawing generation method, please refer to Figure 1 , Figure 1 The first embodiment of the BIM-based electrical drawing generation method provided by the embodiment of the present application is shown in the schematic flow chart, and the method comprises:

[0052] S11, obtaining the building scheme drawing of the preset building.

[0053] In an optional embodiment, the building scheme drawing of the preset building can be obtained, which can include structural professional drawing, building professional drawing, water supply and drainage professional drawing, heating and ventilation professional drawing, etc. The building scheme drawing can be input into the BIM collaborative software, and the linkage collaboration can be realized to obtain the three-dimensional BIM building scheme drawing.

[0054] S12, obtaining the project electrical general planning information based on the preset project requirements corresponding to the preset building and the building scheme drawing.

[0055] In an optional embodiment, the preset building can be a residence, a commercial complex, a hospital, a school, a cultural center, etc. without limitation.

[0056] Subsequently, the preset project requirements corresponding to the preset building can be obtained, and optionally, the customer information of the preset building can be determined first, such as determining the customer information of the preset building as Vanke, China Merchants, Jinmao and China Resources, etc. Different customers correspond to different preset project requirements.

[0057] Subsequently, the customer information is input into the preset customer-standard library to obtain the corresponding preset project requirements, and optionally, the preset project requirements can specifically include brand requirements, etc. without limitation.

[0058] Subsequently, the project electrical general planning information is obtained based on the preset project requirements and the building scheme drawing.

[0059] S13, inputting the electrical parameters in the electrical general planning information into the preset electrical sample drawing to obtain the electrical drawing.

[0060] Subsequently, the electrical parameters in the electrical general planning information are input into the preset electrical sample drawing, and the electrical drawing is obtained by the method of deep learning.

[0061] Please refer to Figure 2 , Figure 2For the sub-step flowchart of step S13, it specifically includes the following steps:

[0062] S131, selecting an electrical template with the highest matching degree from the preset electrical template database as the preset electrical template, wherein the matching degree is obtained by the weight sum of the matching values of the building type, area, function, and property.

[0063] In an optional embodiment, the preset electrical template database stores a large number of electrical templates that have been designed. In a specific scenario, when the types, house types, and uses of two buildings are similar, their electrical design schemes can actually be similar, and thus the electrical template that has been designed before can be used as the preset electrical template.

[0064] Specifically, the preset building can be matched with the matching buildings in the preset electrical template database, and the electrical template corresponding to the matching building with the highest matching degree is the preset electrical template. The matching degree is obtained by the weight sum of the matching values of the building type, area, function, and property, that is, related to the matching values of the building type, area, function, and property of the building, and the weight sum is obtained, and the electrical template corresponding to the matching building with the highest weight sum is the preset electrical template.

[0065] S132, inputting the water heating electrical equipment information, water supply and drainage electrical equipment information, and lighting electrical equipment information into the preset electrical template, and determining the electrical drawing by using the preset AI algorithm, electrical load calculation, and illumination calculation.

[0066] Subsequently, the water heating electrical equipment information, water supply and drainage electrical equipment information, and lighting electrical equipment information are input into the preset electrical template, and the electrical drawing is determined by using the preset AI algorithm, electrical load calculation, and illumination calculation.

[0067] Optionally, the AI algorithm can be a deep learning or neuron algorithm, which is trained by a large amount of data to realize the deep model of automatic arrangement and connection of electrical equipment, so as to realize the automatic generation of the electrical drawing.

[0068] In an optional embodiment, the electrical drawing includes electrical equipment selection information and connection information.

[0069] In an optional embodiment, the electrical drawing specifically includes a lighting electrical drawing, and the specific implementation manner of step S132 is as follows:

[0070] Firstly, the basic information of each room in the preset building is obtained based on the architectural scheme drawing, which can be obtained based on the architectural and structural parameters in the architectural scheme drawing. Subsequently, the lamps and lanterns suitable for the room are determined based on the lighting and electrical equipment information and the basic information of the room; and the number of lamps and lanterns in the room is obtained by using a preset AI algorithm and an illuminance calculation formula, which includes: determining a target illuminance value according to the basic information of the room and the lighting and electrical equipment information; obtaining the characteristic parameters of the lamps and lanterns; and calculating the number of lamps and lanterns according to the basic information of the room, part of the characteristic parameters and the target illuminance value. That is, the number of lamps and lanterns is determined based on the lighting degree of the lamps and lanterns and the required lighting degree of the room, and further based on the target number of lamps and lanterns and the shape of the room, the number of rows and columns of the lamps and lanterns is determined, and thus the positions of the lamps and lanterns are determined; subsequently, the connection between the lamps and lanterns, the lamps and lanterns and the switches, and the lamps and lanterns and the distribution boxes is determined according to the positions of the lamps and lanterns, so as to obtain the lighting and electrical drawing.

[0071] In an optional embodiment, the electrical drawing specifically includes a water heating and electrical drawing, and the specific implementation of step S132 is as follows:

[0072] Based on the architectural scheme drawing, the function and area information of different areas in each floor of the preset building is obtained; subsequently, the first type of distribution box with corresponding power and number can be allocated at the corresponding position of the area according to the function and area information and the preset load density index; the equipment information of the electrical equipment in the water heating and electrical equipment information is obtained, which includes the position, number and power of the electrical equipment, and the water heating equipment parameter information is automatically converted into electrical distribution equipment information; the electrical distribution equipment information includes floor position, power, single three-phase power supply, whether frequency conversion and the like, realizing automatic conversion of water heating and electrical parameters, realizing quality improvement and efficiency increase, capital confirmation and reminding functions, such as automatic conversion of heating and ventilation fan parameters, water supply and drainage water pump, fire hydrant, water flow indicator and the like into electrical parameters, and allocating electrical legends with corresponding power and number at the corresponding position of the plan according to the electrical equipment information; floor position, power, single three-phase power supply, whether frequency conversion and the like, realizing automatic conversion of water heating and electrical parameters, realizing quality improvement and efficiency increase, capital confirmation and reminding functions, such as automatic conversion of heating and ventilation fan parameters, water supply and drainage water pump, fire hydrant, water flow indicator and the like into electrical parameters, and allocating electrical legends with corresponding power and number at the corresponding position of the plan according to the electrical equipment information. Subsequently, the first type of distribution box and the electrical equipment are connected in the plan by using a preset AI algorithm, so as to obtain the water heating and electrical drawing.

[0073] In an optional embodiment, the electrical drawing specifically includes a fire alarm drawing, and the specific implementation of step S132 is as follows:

[0074] Optionally, based on the building scheme drawing, the building design model information of different areas in the preset building is obtained, and the building design model information includes site slab beam information, room function, area information, etc.; based on the building design model information, the type of the fire detection device is selected; according to the function, area information and type of the fire detection device, the maximum protection radius of the fire detection device is confirmed, that is, the maximum range that can be detected by a single fire detection device, so as to calculate the minimum arrangement value of the number of fire detection devices in each fire alarm and detection area, that is, the arrangement scheme of the minimum fire detection device required to detect all areas, so as to obtain the arrangement information of the fire detection device; then, based on the arrangement information, the fire detection device points are connected by using a preset AI algorithm, so as to obtain the fire alarm drawing.

[0075] In an optional embodiment, the adjacent fire detection devices are automatically connected by using the nearest principle, and the fire detection devices cannot cross the building fire compartment.

[0076] In other embodiments, the fire detection device and the fire detection connection do not exceed 32 points, and more than 32 points need to increase a short circuit isolator, and all connections are connected to the weak current well fire module box by using the shortest line principle.

[0077] S14, according to the preset drawing review rule, the electrical drawing is proofread and reviewed, and the optimized electrical drawing is obtained by optimizing the electrical drawing.

[0078] In an optional embodiment, the electrical drawing can also be proofread and reviewed according to the preset drawing review rule, and the optimized electrical drawing is obtained by optimizing the electrical drawing.

[0079] Optionally, the AI drawing review software released on the market such as Vanke can be used, which will not be described here.

[0080] In the above embodiment, the building scheme drawing of the preset building is obtained; the project electrical overall planning information is obtained based on the preset project requirements corresponding to the preset building and the building scheme drawing; the electrical parameters in the electrical overall planning information are input into the preset electrical template drawing to obtain the electrical drawing; according to the preset drawing review rule, the electrical drawing is proofread and reviewed, and the optimized electrical drawing is obtained by optimizing the electrical drawing. The electrical overall planning information can be obtained by the preset project requirements corresponding to the preset building and the building scheme drawing, and the electrical drawing can be automatically generated based on the electrical overall planning information and the preset electrical template drawing, and the automatic proofreading and review of the electrical drawing can be realized by using the preset drawing rule, which greatly reduces the drawing process of the electrical drawing, improves the generation efficiency, and reduces the labor cost.

[0081] In other embodiments, the BIM-based electrical drawing generation method provided by the present application further comprises:

[0082] Based on the electrical drawing and the building scheme drawing, hole information is generated.

[0083] Optionally, the model drawing of the electrical bridge can be obtained from the electrical drawing, and according to a preset bridge hole leaving principle, pre-holing is realized on the structure or building specialty, thereby generating the hole information.

[0084] In other embodiments, the BIM-based electrical drawing generation method provided by the present application further comprises:

[0085] Based on the optimized electrical drawing and the cost rule, cost information is determined.

[0086] Optionally, the electrical information (such as high and low voltage cabinets, transformers, distribution boxes, cables, etc.) in the electrical drawing can be obtained. Then the number and length of the electrical drawing information are read and input into a preset standard cost calculation EXCEL table, and the cost calculation EXCEL table is imported into a cost calculation software to calculate the cost of the electrical drawing.

[0087] In summary, the present application provides a BIM-based electrical drawing generation method, which obtains a building scheme drawing of a preset building; obtains project electrical overall planning information based on a preset project requirement corresponding to the preset building and the building scheme drawing; inputs electrical parameters in the electrical overall planning information into a preset electrical template to obtain an electrical drawing; according to a preset drawing checking rule, the electrical drawing is checked and audited, and the optimized electrical drawing is obtained by optimizing the electrical drawing. The electrical overall planning information can be obtained based on the preset project requirement corresponding to the preset building and the building scheme drawing, and the electrical drawing can be automatically generated based on the electrical overall planning information and the preset electrical template, and the preset drawing generation rule is used to realize the automatic checking and auditing of the electrical drawing, which greatly reduces the drawing process of the electrical drawing, improves the generation efficiency, and reduces the labor cost. Further, the hole leaving information and the cost information can be automatically generated, which greatly reduces the subsequent calculation cost.

[0088] It should be noted that each functional module in the BIM-based electrical drawing generation device 200 provided by the present application can be stored in the memory in the form of software or firmware (Firmware) or solidified in the operating system (Operating System, OS) of the computer device, and can be executed by the processor in the computer device. At the same time, the data, program code, etc. required for executing the above-mentioned modules can be stored in the memory.

[0089] Therefore, the present application further provides a computer device, such as Figure 3 ,Figure 3 A block schematic diagram of a computer device provided by an embodiment of the present application is shown. The computer device 300 includes a communication interface 301, a processor 302 and a memory 303. The processor 302, the memory 303 and the communication interface 301 are electrically connected with each other directly or indirectly to realize the transmission or interaction of data. For example, these elements can be electrically connected with each other through one or more communication buses or signal lines. The memory 303 can be used to store software programs and modules, such as program instructions / modules corresponding to the BIM-based electrical drawing generation method provided by an embodiment of the present application. The processor 302 executes various function applications and data processing by executing the software programs and modules stored in the memory 303. The communication interface 301 can be used for signaling or data communication with other node devices. In the present application, the computer device 300 can have multiple communication interfaces 301.

[0090] The memory 303 can be, but is not limited to, a random access memory (RAM), a read only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), an electrically erasable read-only memory (EEPROM) and the like.

[0091] The processor 302 can be an integrated circuit chip having a signal processing capability. The processor can be a general purpose processor, including a central processing unit (CPU), a network processor (NP) and the like; or can be a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, or the like.

[0092] The embodiment of the present application also provides a readable storage medium, which stores a computer program, and the computer program is executed by a processor to realize the BIM-based electrical drawing generation method according to any one of the preceding embodiments. The computer readable storage medium can be, but is not limited to, a U disk, a mobile hard disk, a ROM, a RAM, a PROM, an EPROM, an EEPROM, a magnetic disk or an optical disk, and various storage program codes.

[0093] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered by the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A method for generating electrical drawings based on BIM, characterized in that, The method includes: Obtain architectural plans and drawings for a preset building; Based on the preset project requirements corresponding to the preset building and the architectural design drawings, obtain the overall electrical planning information for the project; Input the electrical parameters from the overall electrical planning information into the preset electrical template to obtain electrical drawings; According to the preset drawing review rules, the electrical drawings are checked and reviewed, and the optimized electrical drawings are obtained. The electrical parameters include information on plumbing and heating equipment, fire alarm equipment, and lighting equipment. The step of inputting the electrical parameters from the overall electrical planning information into a preset electrical template drawing to obtain electrical drawings includes: The electrical template with the highest matching degree with the preset building is selected from the preset electrical template database as the preset electrical template. The matching degree is obtained by weighting the matching values ​​of building type, area, function and nature. Input the information of water heating and heating electrical equipment, water supply and drainage electrical equipment, and lighting electrical equipment into the preset electrical template drawing, and use the preset AI algorithm, electrical load calculation, and illuminance calculation to determine the electrical drawings; The electrical drawings include electrical equipment selection information and connection information; The electrical drawings include lighting electrical drawings. The process of inputting information on plumbing and heating electrical equipment, fire alarm equipment, and lighting electrical equipment into a preset electrical template drawing, and then using a preset AI algorithm, electrical load calculation, and illuminance calculation to determine the electrical drawings, includes: Based on the architectural design drawings, obtain basic information about each room in the pre-designed building; Based on the lighting electrical equipment information and the basic information of the room, determine the lighting fixtures suitable for the room; The number of light fixtures in the room is obtained using a preset AI algorithm and illuminance calculation formula, including: determining a target illuminance value based on the basic information of the room and the information of the lighting electrical equipment; obtaining the characteristic parameters of the light fixtures; and calculating the number of light fixtures based on the basic information of the room, a portion of the characteristic parameters, and the target illuminance value. Based on the number of light fixtures and the shape of the room, the number of rows and columns of the light fixtures are determined, and thus the positions of the light fixtures are determined; Based on the location of the lamps, determine the connections between lamps, between lamps and switches, and between lamps and distribution boxes, thereby obtaining the lighting electrical diagram.

2. The method for generating BIM-based electrical drawings according to claim 1, characterized in that, Before obtaining the project electrical master plan information based on the preset project requirements corresponding to the preset building and the building plan drawings, the process includes: Determine the customer information for the preset building, and obtain the corresponding preset project requirements from the preset customer-standard library based on the customer information.

3. The method for generating BIM-based electrical drawings according to claim 1, characterized in that, The electrical drawings include plumbing and heating electrical drawings. Information on plumbing and heating equipment, fire alarm equipment, and lighting equipment is input into a preset electrical template drawing. The electrical drawings are then determined using a preset AI algorithm, electrical load calculation, and illuminance calculation. This includes: Based on the architectural design drawings, obtain the functional and area information of different areas within each floor of the pre-designed building; Based on the aforementioned function and area information and the preset load density index, first-type distribution boxes with corresponding power and numbers are allocated at the corresponding locations in the area; Obtain the equipment information of the electrical equipment in the plumbing and heating electrical equipment information. The equipment information of the electrical equipment includes the location, number and power of the electrical equipment. Automatically convert the plumbing and heating equipment parameter information into electrical distribution equipment information. The first type of distribution box and the electrical equipment are wired in the preset electrical template diagram using a preset AI algorithm to obtain the water and heating electrical diagram.

4. The method for generating BIM-based electrical drawings according to claim 1, characterized in that, The electrical drawings include fire alarm diagrams. Information on plumbing and heating electrical equipment, fire alarm equipment, and lighting electrical equipment is input into a preset electrical template diagram. The electrical drawings are then determined using a preset AI algorithm, electrical load calculation, and illuminance calculation. This includes: Based on the architectural drawings, architectural design model information for different areas within the floors of the pre-designed building is obtained. This architectural design model information includes site slab and beam information, room functions, and area information. Based on the building design model information, select the type of fire detection device; Based on the function, area information and type of the fire detection device, the maximum protection radius of the fire detection device is determined, and the minimum layout value of the number of fire detection devices in each fire alarm and detection area is calculated, thereby obtaining the layout information of the fire detection device; Based on the aforementioned layout information, a preset AI algorithm is used to connect the locations of fire detection devices to obtain a fire alarm diagram. Among them, fire detection devices are automatically connected to each other according to the shortest principle. Fire detection devices cannot cross building fire compartments. The number of connections between fire detection devices does not exceed 32 points. If the number of connections exceeds 32 points, short-circuit isolators need to be added. All connections are connected to the fire protection module box in the weak current well according to the shortest line principle.

5. The method for generating BIM-based electrical drawings according to claim 1, characterized in that, The method further includes: Opening information is generated based on electrical drawings and architectural plans.

6. The method for generating BIM-based electrical drawings according to claim 1, characterized in that, The method further includes: Cost information is determined based on optimized electrical drawings and cost rules.

7. A computer device, characterized in that, It includes a processor and a memory, the memory storing a computer program that can be executed by the processor, the processor being able to execute the computer program to implement the BIM-based electrical drawing generation method according to any one of claims 1-6.

8. A readable storage medium having a computer program stored thereon, characterized in that, When the computer program is executed by the processor, it implements the BIM-based electrical drawing generation method as described in any one of claims 1-6.

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