CN114418369A - Metering payment method and system based on BIM (building information modeling) - Google Patents
Metering payment method and system based on BIM (building information modeling) Download PDFInfo
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Abstract
The invention discloses a metering payment method and a system based on a BIM model, wherein the method comprises the following steps: acquiring a project amount list output through a deepened design model; screening out target components meeting preset metering price conditions from the engineering quantity list; extracting price information of the target component from the contract list; and matching a preset metering price rule according to the cost attribute of the target component, and generating a payment order corresponding to the engineering quantity list by combining price information. The invention provides a measuring and paying method and a system based on a BIM model, wherein the BIM model with high precision and high standard is established, the BIM model is applied to the calculated amount of an engineering amount list, and meanwhile, the automatic matching and association of a model component and the engineering amount list are realized by extracting the attribute information of the model component, so that the calculated amount time can be saved, the repeated calculated amount is reduced, the working efficiency and the accuracy of a measuring and pricing stage after quality evaluation are improved, the more accurate manufacturing cost calculated amount in a three-dimensional mode is realized, and the working load of manufacturing cost personnel is reduced.
Description
Technical Field
The invention relates to the field of constructional engineering, in particular to a metering payment method and system based on a BIM (building information modeling) model.
Background
The building engineering refers to an engineering entity formed by the construction of various building constructions and their auxiliary facilities and the installation of lines, pipelines and equipment matched with them. The conventional metering and pricing of the building engineering usually adopts a manual construction cost mode of construction cost personnel, has high requirements on professional qualities of the construction cost personnel, and needs to spend a great deal of energy. In recent years, the construction cost consultation industry generally adopts traditional graphic computation software of enterprises such as Guangdong, morning and Stewell to build a non-solid model, runs a software built-in computation rule to approximately compute and count the engineering quantity, and then manually inputs drawing parameter information to form a partial project engineering quantity list pricing table based on pricing software in combination with a two-dimensional CAD drawing and construction cost experience. CAD drawings are introduced into traditional graph computation software for batch identification and construction cost computation model establishment, so that manual computation work can be reduced to a certain extent, work efficiency is improved, and a large amount of time is consumed. Meanwhile, each participating main body carries out calculation amount pricing activity in an array mode, each project needs to repeat calculation amount for many times, and the calculation amount is limited by the service level of a practitioner and the understanding depth of a two-dimensional drawing, so that the deviation of the result of each measurement is easily caused.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art and provides a metering payment method and system based on a BIM (building information modeling) model.
The technical scheme for solving the technical problems is as follows: a metering payment method based on a BIM model comprises the following steps:
step 1, acquiring a project amount list output by a deepened design model, wherein the project amount list is generated according to a preset component information summary table and a preset design amount pricing rule;
step 2, screening out target components meeting preset metering and price-calculating conditions from the engineering quantity list, wherein the target components are hung with component codes and cost attributes standardized according to a preset component information general table;
step 3, acquiring a contract list, and extracting price information of the target component from the contract list, wherein the price information is consistent with the metering pricing mode of the target component in the engineering quantity list;
and 4, matching the preset metering and pricing rule according to the cost attribute of the target component, and generating a payment order corresponding to the engineering quantity list by combining the price information.
Further, the pre-design quantity pricing condition comprises that the component passes quality test evaluation, the component is not associated with unsolved field problems and/or the component is provided with a corresponding engineering quantity list code.
Further, matching preset metering price rules according to the cost attributes of the target components, and generating a payment order corresponding to the engineering quantity list by combining price information specifically comprises the following steps: and judging whether the quantity unit of the target component is consistent with the measurement unit, if so, directly measuring and pricing according to the quantity and the unit price, and if not, calling a corresponding conversion formula for pricing.
And further, when generating a payment order corresponding to the engineering quantity list by combining the price information, screening and de-duplicating the mark section information and/or the professional information of the target component, and summarizing the details of the screened target component to form the corresponding payment order.
Further, the method also comprises a yield value statistic step, which specifically comprises the following steps: and after the metering and pricing are finished, judging whether the target process participating in the output value calculation is finished according to the site construction progress, if so, acquiring target component information meeting preset output value statistical conditions, carrying out output value statistics according to the target component information, and summarizing and displaying output value statistical results.
Further, the method also comprises a step of checking the payment order, which specifically comprises the following steps:
traversing the target component to obtain a component to be deducted, which meets a preset deduction condition;
judging whether the component to be deducted is correctly deducted, if not, generating a related component of the component to be deducted and a corresponding related relation through a deeply designed BIM model;
inquiring a preset deduction rule, and generating a corresponding deduction command according to the incidence relation;
and executing the deduction command to cut, switch the connection sequence and/or connect the corresponding component to be deducted and the associated component, adjusting the metering priority of the component to be deducted and/or the associated component, and updating the payment order according to the execution result.
Further, whether the component to be deducted is correctly deducted is judged, and the method specifically comprises the following steps:
acquiring a real-time metering code of the component to be deducted;
inquiring a preset metering code table, and generating a target metering code according to the component code of the component to be deducted;
and judging whether the real-time metering code is consistent with the target metering code, if so, correctly deducting the component to be deducted.
Further, the method also comprises a recording step, which specifically comprises the following steps: and recording the payment amount before and after the updating of the payment bill and the metering code before and after the updating of the corresponding component to be deducted and/or the associated component.
Another technical solution of the present invention for solving the above technical problems is as follows:
a metering payment system based on a BIM model comprises a first acquisition module, a screening module, a second acquisition module and a payment order generation module,
the first acquisition module is used for acquiring a project amount list output by a deepened design model, and the project amount list is generated according to a preset component information summary table and a preset design amount pricing rule;
the screening module is used for screening out target components meeting preset metering price conditions from the engineering quantity list, and component codes and cost attributes standardized according to a preset component information general table are hung on the target components;
the second acquisition module is used for acquiring a contract list and extracting price information of the target component from the contract list, wherein the price information is consistent with the metering pricing mode of the target component in the engineering quantity list;
and the payment sheet generation module is used for matching the preset metering and pricing rule according to the cost attribute of the target component and generating the payment sheet corresponding to the engineering quantity list by combining the price information.
Further, the payment order generation module is specifically configured to determine whether the output unit of the target component is consistent with the measurement unit, directly measure and price-calculating according to the number and the unit price if the output unit of the target component is consistent with the measurement unit, call a corresponding conversion formula to calculate the price if the output unit of the target component is not consistent with the measurement unit, and generate the warning information if the output unit of the target component is not consistent with the measurement unit.
The invention has the beneficial effects that: the invention provides a metering payment method and system based on a BIM model, wherein the BIM model is applied to the calculated amount of an engineering quantity list by establishing the BIM model with high precision and high standard, and meanwhile, the automatic matching association of a model component and the engineering quantity list is realized by extracting the attribute information of the model component, so that the calculated amount time can be saved, the repeated calculated amount is reduced, and the working efficiency and the accuracy of a metering and pricing stage after quality inspection are improved.
Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic flow chart of a metering payment method based on a BIM model according to an embodiment of the present invention;
fig. 2 is a block diagram of a BIM model-based metering payment system according to an embodiment of the present invention.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth to illustrate, but are not to be construed to limit the scope of the invention.
As shown in fig. 1, a metering payment method based on a BIM model provided in an embodiment of the present invention includes:
and S1, acquiring a project amount list output by the deepened design model, wherein the project amount list is generated according to a preset component information summary table and a preset design amount pricing rule.
The invention firstly constructs a component information summary table, defines header contents of general attributes, modeling modes, geometric precision information, component attributes, construction attributes and cost attributes of each component in a BIM design model in the component information summary table, and unifies the contents regularly.
Specifically, in the component information summary table, when the item is in the design stage, the general attributes include the design management attributes, the component management attributes, and the component instance attributes of all the components; the design management attribute is composed of a specialty, a sub-specialty and a second-level sub-specialty in sequence; the component management attribute is composed of a component category, a component family, and a component type in this order. When the project is in a construction stage, the general attributes comprise construction management attributes, component management attributes and component instance attributes of all components; the construction management attribute is composed of a subsection project, a sub-subsection project and a project subsection in sequence; the component management attribute is composed of a component category, a component family, and a component type in this order.
The geometric accuracy information includes model metric attributes, model metric units, and accuracy requirements at different stages.
The component attributes comprise attribute classification, attribute names, attribute value rules, attribute values exhausted according to the attribute value rules and attribute units.
The construction attributes comprise process numbers, process names, corresponding inspection batch form names, form numbers, project level acquisition indexes, design requirements and specification, data types and supervision actions.
The cost attribute comprises a list item code, a list item name, a list metering unit, a list item characteristic, a 3-bit serial number after the list code, a quantity attribute, a conversion formula and a model quantity mode.
In other words, the invention defines the standardized rules of the attributes in the component information general table, so that the components are clearly classified, the component naming rules are clear, the geometric precision of each stage is clear, the model structure of the similar components is matched with the construction cost list structure, the model output unit is consistent with the construction cost measurement unit, and the application of subsequent construction cost and measurement payment is facilitated.
And then, establishing a metering pricing rule of the deeply designed BIM according to the component information summary table and the modeling characteristics of the BIM software, so as to generate a corresponding engineering quantity list table by combining the metering pricing rule.
In a preferred embodiment, before the engineering quantity list is generated, the BIM design model needs to be deepened, quality check is performed on the basis of the deeply designed BIM model, then a corresponding engineering quantity list is issued for metering payment, and the deepening design step and the quality check step are not described in detail herein.
And then step 2 is executed, a target component meeting the preset metering price condition is screened out from the engineering quantity list, and the target component is hung with the component code and the cost attribute which are standardized according to a preset component information general table. Specifically, the pre-design quantity pricing conditions include that the components are evaluated through quality tests, the components are not associated with unsolved field problems, and/or the components have corresponding engineering quantity list codes, whether the components meet the pre-design quantity pricing conditions is judged only by inquiring information hooked by each component, and target components meeting any one or more of the three conditions in different embodiments can perform metering payment, otherwise, corresponding early warning messages are generated.
And then executing step 3, acquiring a contract list, extracting and unifying the price information of the target component from the contract list so as to enable the price information to be consistent with the metering pricing mode of the target component in the engineering quantity list. Specifically, the prices, price units, and the like in the agreement list may be identified by image recognition or OCR recognition technology, and the identification result may be converted in association with the cost attribute of the target member according to the metered pricing method of the target member in the engineering quantity list, such as pricing by weight, pricing by number, or pricing by size, and the like, thereby generating price information in agreement with the metered pricing method. And then, executing step 4, namely matching the preset metering and pricing rule according to the cost attribute of the target component, and generating a payment order corresponding to the engineering quantity list by combining the price information.
In the embodiment, all the attributes of the engineering entity, such as physical information, geometric information and the like, are loaded into the cost calculation system, so that the cost calculation is coordinated on multiple ways, such as a design institute, an owner, a BIM consultation, a construction unit, a supervision unit, a cost consultation and the like. The automatic cost calculation amount based on the BIM is realized through contents such as cost rules, BIM models, BOQ contracts, rule intelligent matching and the like. When the completion or the staged settlement is carried out, the same completion BIM model is used by the owner and the construction unit for project management and settlement. And automatically and instantly generating a calculation book and a payment sheet according to the quality evaluation result, the field problem solving condition, whether the cost is already available and other conditions, and auditing the payment process on line to complete the whole cost payment work, thereby greatly simplifying the completion settlement process.
In a preferred embodiment, matching preset metering price rules according to the cost attributes of the target component, and generating a payment order corresponding to the engineering quantity list by combining price information specifically comprises: and judging whether the output unit of the target component is consistent with the metering unit, if so, directly metering and pricing according to the number and the unit price, if not, calling a corresponding conversion formula for pricing, and if not, generating early warning information, thereby generating a metering and pricing result more quickly and stably.
In a preferred embodiment, when the payment order corresponding to the engineering quantity list is generated by combining the price information, the mark section information and/or the professional information of the target component are/is further screened and deduplicated, and the screened target component detail is summarized to form the corresponding payment order, so that the user requirements are further met.
In a preferred embodiment, the method further comprises a yield value statistic step, specifically: and after the metering and pricing are finished, judging whether the target process participating in the output value calculation is finished according to the site construction progress, if so, acquiring target component information meeting preset output value statistical conditions, carrying out output value statistics according to the target component information, and summarizing and displaying output value statistical results. Specifically, in order to monitor the project production rate in real time, if the conventional manual statistical method is adopted, two problems exist: because the mark sections are numerous, the rapid and accurate statistics is difficult, meanwhile, the manual statistics not only consumes a large amount of manpower, but also has the defects of untimely updating and incapability of acquiring the latest data of one hand, so that the real-time production value statistics can be realized through the system, and the accuracy and the timeliness of the data are achieved.
In a preferred embodiment, the goal of schedule management is also achieved. The model is split and integrated during the deepening design of the model according to the progress management requirement, and the model is used as a carrier to attach or associate information such as plan progress, actual progress, human resources, materials, machinery and the like for progress management based on an engineering management platform. Specifically, the image data of the actual progress condition is recorded into the BIM system platform through online cooperation, each participant can conveniently obtain the image data of the actual construction condition of the project from the platform, the information attenuation and change caused by multi-level communication are reduced, meanwhile, the actual progress and the planned progress are recorded into the BIM system platform, the management layer can quickly obtain the deviation between the actual progress and the planned progress and the actual occurrence time and completion time of each process, the deviation reason is traced, the project is controlled macroscopically, the progress plan and the resource allocation are adjusted in time, and project management is optimized.
And the BIM related responsible persons upload the on-site image data to the system platform through the BIM system platform, are hung with the model correspondingly, and inform the on-site progress situation through the related persons, so that the on-site construction progress on-line cooperative management is realized. And each participating party can learn the construction site conditions in real time through the PC end and the mobile phone end. A technician or a corresponding BIM responsible person inputs a planned progress and an actual progress through a BIM system platform, and the platform visually displays a deviation value of the quantity progress in a Gantt chart mode. The method can be used as data support for supervising and urging the project to adjust the progress in time. The model component is connected with the actual progress through the BIM system platform, the deduction of the project progress can be visually checked on the platform according to the deduction of time, and the finished project quantity in any period can be rapidly calculated through a one-key counting function.
In a preferred embodiment, the method further comprises a step of checking the payment order, specifically:
and traversing the target component to obtain the component to be deducted which meets the preset deduction condition. In a specific embodiment, different preset deduction conditions and preset deduction rules are set according to coding software or modeling software corresponding to a target component.
And judging whether the component to be deducted is correctly deducted, if not, generating the associated component of the component to be deducted and the corresponding association relation through a deeply designed BIM model.
And inquiring a preset deduction rule, and generating a corresponding deduction command according to the association relation.
And executing the deduction command to cut, switch the connection sequence and/or connect the corresponding component to be deducted and the associated component, adjusting the metering priority of the component to be deducted and/or the associated component, and updating the payment order according to the execution result.
In the prior art, software such as revit is usually adopted for coding and model construction, the deduction relationship of different components in different software is often inconsistent with domestic practice or actual engineering requirements, for example, intersection parts of a plurality of families in the revit and other components are not deducted by default, so that the engineering quantity calculation is wrong. In the preferred embodiment, the target component needing to be deducted in the payment bill is checked, the association relation of the components needing to be deducted (such as overlapping components) is established according to the checking result and the BIM, and the metering priority is adjusted, so that the accuracy of generating the payment result is improved.
In a preferred embodiment, the determining whether the component to be deducted is correctly deducted specifically includes:
acquiring a real-time metering code of the component to be deducted;
inquiring a preset metering code table, and generating a target metering code according to the component code of the component to be deducted;
and judging whether the real-time metering code is consistent with the target metering code, if so, correctly deducting the component to be deducted.
In the above preferred embodiment, the corresponding metering codes are first set for the deduction rules of the target components in different software, and a preset metering code table is formed. When deduction is performed on a component, a corresponding metering code is generated for the component, and the metering code is hooked with the component. At the moment, the metering code can be obtained through the selection operation of the component in the BIM model, if the metering code is not obtained, the component is not deducted, and if the real-time metering code of the component is not consistent with the target metering code obtained through table look-up, the deduction action is not correct, the reason needs to be checked reversely, and the component is deducted again.
In another preferred embodiment, the method further comprises a recording step, specifically: and recording the payment amount before and after the updating of the payment bill and the metering codes before and after the updating of the corresponding component to be deducted and/or the associated component, thereby forming historical data and facilitating the maintenance of the metering payment system.
In one embodiment, as shown in fig. 2, a BIM model-based metering payment system is provided, which includes a first obtaining module 100, a screening module 200, a second obtaining module 300 and a payment order generating module 400,
the first obtaining module 100 is configured to obtain a work load list output by a deepened design model, where the work load list is generated according to a preset component information summary table and a preset design load pricing rule;
the screening module 200 is configured to screen out a target component meeting a preset metering price condition from the engineering quantity list, where the target component is connected with a component code and a cost attribute standardized according to a preset component information summary table;
the second obtaining module 300 is configured to obtain a contract list, and extract price information of the target component from the contract list, where the price information is consistent with a metering pricing manner of the target component in the engineering quantity list;
the payment order generation module 400 is configured to match the preset metering price rule according to the cost attribute of the target component, and generate a payment order corresponding to the engineering quantity bill by combining the price information.
In a preferred embodiment, the payment receipt generating module 400 is specifically configured to determine whether the amount unit of the target component is consistent with the measurement unit, if so, directly measure and price-rate the amount unit of the target component according to the number and the unit price, if not, invoke a corresponding conversion formula to perform pricing, and if not, generate the warning information.
In a preferred embodiment, the payment order generating module 400 is further configured to, when generating a payment order corresponding to the engineering quantity bill in combination with the price information, perform screening and deduplication on the segment information and/or the professional information of the target component, and summarize details of the screened target component to form a corresponding payment order.
In a preferred embodiment, the system further includes an output value statistics module 500, where the output value statistics module 500 is configured to determine whether a target process involved in the output value calculation is completed according to the field construction progress after completing the metering pricing, and if the target process is completed, obtain target component information meeting preset output value statistics conditions, perform output value statistics according to the target component information, and summarize and display an output value statistics result.
In a preferred embodiment, the payment order checking module 600 is further included, and specifically includes:
the traversing unit 601 is used for traversing the target component to obtain a component to be deducted, which meets a preset deduction condition;
a determining unit 602, configured to determine whether the component to be subtracted has been subtracted correctly, and if not, generate an associated component of the component to be subtracted and a corresponding association relationship through a deeply designed BIM model;
the command generating unit 603 is configured to query a preset deduction rule, and generate a corresponding deduction command according to the association relationship;
the updating unit 604 is configured to execute the deduction command, perform cutting, switching connection order and/or connection action on the corresponding component to be deducted and the associated component, adjust the metering priority of the component to be deducted and/or the associated component, and update the payment order according to the execution result.
In a preferred embodiment, the determining unit 602 is specifically configured to obtain a real-time metering code of the component to be deducted, query a preset metering code table, and generate a target metering code according to the component code of the component to be deducted; and the real-time metering code and the target metering code are judged whether to be consistent, and if so, the component to be deducted is correctly deducted.
In a preferred embodiment, the system further comprises a recording module 700, and the recording module 700 is configured to record the payment amount before and after the update of the payment order and the metering code before and after the update of the corresponding component to be deducted and/or the associated component.
It is understood that some or all of the alternative embodiments described above may be included in some embodiments.
It should be noted that the above embodiments are product embodiments corresponding to the previous method embodiments, and for the description of each optional implementation in the product embodiments, reference may be made to corresponding descriptions in the above method embodiments, and details are not described here again.
The embodiment provides a measurement payment system based on a BIM model, the BIM model is applied to the calculated amount of an engineering quantity list by establishing the BIM model with high precision and high standard, and meanwhile, the automatic matching and association of the model component and the engineering quantity list are realized by extracting the attribute information of the model component, so that the calculated amount time can be saved, the repeated calculated amount is reduced, the working efficiency and the accuracy of a measurement and pricing stage after quality evaluation are improved, the more accurate cost calculated amount of a three-dimensional mode is realized, and the working load of cost workers is reduced.
The reader should understand that in the description of this specification, reference to the description of the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, a division of a unit is merely a logical division, and an actual implementation may have another division, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed.
Units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment of the present invention.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention essentially or partially contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-only memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A metering payment method based on a BIM model is characterized by comprising the following steps:
step 1, acquiring a project amount list output by a deepened design model, wherein the project amount list is generated according to a preset component information summary table and a preset design amount pricing rule;
step 2, screening out target components meeting preset metering and price-calculating conditions from the engineering quantity list, wherein the target components are hung with component codes and cost attributes standardized according to a preset component information general table;
step 3, acquiring a contract list, extracting and unifying the price information of the target component from the contract list to ensure that the price information is consistent with the metering pricing mode of the target component in the engineering quantity list;
and 4, matching the preset metering and pricing rule according to the cost attribute of the target component, and generating a payment order corresponding to the engineering quantity list by combining the price information.
2. The BIM model-based metering payment method of claim 1, wherein the pre-design amount pricing condition comprises that the component passes quality verification, the component is not associated with unsolved field problems and/or the component is provided with a corresponding engineering amount list code.
3. The BIM model-based metering payment method as claimed in claim 1, wherein the step of matching the preset metering price rule according to the cost attribute of the target component and generating the payment order corresponding to the engineering quantity bill by combining the price information specifically comprises the steps of: and judging whether the output unit of the target component is consistent with the metering unit, if so, directly metering and pricing according to the number and the unit price, if not, calling a corresponding conversion formula for pricing, and if not, generating early warning information.
4. The BIM model-based metering payment method according to claim 1, wherein when a payment order corresponding to a project amount list is generated in combination with price information, segment information and/or professional information of a target component is screened and deduplicated, and details of the screened target component are summarized to form a corresponding payment order.
5. The BIM model-based metering payment method according to claim 1, further comprising a yield value statistics step, specifically:
and after the metering and pricing are finished, judging whether the target process participating in the output value calculation is finished according to the site construction progress, if so, acquiring target component information meeting preset output value statistical conditions, carrying out output value statistics according to the target component information, and summarizing and displaying output value statistical results.
6. The BIM model-based metering payment method according to any one of claims 1 to 5, further comprising a step of checking the payment order, specifically:
traversing the target component to obtain a component to be deducted, which meets a preset deduction condition;
judging whether the component to be deducted is correctly deducted, if not, generating a related component of the component to be deducted and a corresponding related relation through a deeply designed BIM model;
inquiring a preset deduction rule, and generating a corresponding deduction command according to the incidence relation;
and executing the deduction command to cut, switch the connection sequence and/or connect the corresponding component to be deducted and the associated component, adjusting the metering priority of the component to be deducted and/or the associated component, and updating the payment order according to the execution result.
7. The BIM-model-based metering payment method according to claim 6, wherein the step of judging whether the component to be deducted is correctly deducted comprises the following steps:
acquiring a real-time metering code of the component to be deducted;
inquiring a preset metering code table, and generating a target metering code according to the component code of the component to be deducted;
and judging whether the real-time metering code is consistent with the target metering code, if so, correctly deducting the component to be deducted.
8. The BIM model-based method for metered payment according to claim 7, further comprising a recording step, in particular: and recording the payment amount before and after the updating of the payment bill and the metering code before and after the updating of the corresponding component to be deducted and/or the associated component.
9. A metering payment system based on a BIM model is characterized by comprising a first acquisition module, a screening module, a second acquisition module and a payment order generation module,
the first acquisition module is used for acquiring a project amount list output by a deepened design model, and the project amount list is generated according to a preset component information summary table and a preset design amount pricing rule;
the screening module is used for screening out target components meeting preset metering price conditions from the engineering quantity list, and component codes and cost attributes standardized according to a preset component information general table are hung on the target components;
the second acquisition module is used for acquiring a contract list and extracting price information of the target component from the contract list, wherein the price information is consistent with the metering pricing mode of the target component in the engineering quantity list;
and the payment sheet generation module is used for matching the preset metering and pricing rule according to the cost attribute of the target component and generating the payment sheet corresponding to the engineering quantity list by combining the price information.
10. The BIM model-based metering payment system of claim 9, wherein the payment slip generation module is specifically configured to determine whether the amount unit of the target component is consistent with the metering unit, and if so, directly meter the price according to the number and the unit price, if not, call a corresponding conversion formula for pricing, and if not, generate the warning information.
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