CN116308067A - Building design and building material management system - Google Patents
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Abstract
The invention relates to a building design and building material management system, which extracts building materials, construction time and other information needed by building projects from a building design file and a construction scheme corresponding to the building design file. And then determining purchasing time according to price fluctuation information of the corresponding building materials and starting time so as to ensure that the cost of the building engineering is minimized. In addition, the warehouse-in time is determined based on information such as the stock quantity of a warehouse and the purchase quantity of building materials, so that accurate warehouse-in management and refined warehouse-out management are performed, and the refined management of the building materials in the building project is realized. The rising of building project cost is avoided, and the problem of disordered management of the existing building materials is also solved.
Description
Technical Field
The invention relates to the technical field of computers, in particular to a building design and building material management system.
Background
Building material management refers to a general term for management work such as planning, supply, and use of building materials. Building materials constitute building product entities, which are labor objects for building production. The material cost is 60-70% of the construction cost. It follows that building material management is important for any building project.
In the conventional building material management method, building materials required for projects are generally evaluated based on building design files, and then management operations such as material purchase, warehouse entry, warehouse exit, check and the like are performed for each building project. The existing building material management mode does not consider time influence factors such as construction progress, material price fluctuation and the like. The management mode is not fine enough, and problems such as cost rise of projects, confusion of material stock and the like are easily caused.
Disclosure of Invention
In view of the above, the present invention is to provide a system for building design and building material management, so as to solve the problem that the management mode in the prior art is not fine enough.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the building design and building material management system of the present invention comprises:
the extraction module is used for extracting building materials required by the project from the design file of the building project and extracting the construction time of the building project from the construction scheme corresponding to the design file of the building project, wherein the construction time comprises the starting time;
the information acquisition module is used for acquiring the price fluctuation information of the building materials required by the project and the building material required quantity required by the project;
the purchasing management module is used for making a purchasing plan based on the starting time of a building project, the price fluctuation information of building materials required by the project and the building material required quantity required by the project so that an execution object performs purchasing according to the purchasing plan;
the warehouse-in management module is used for determining the warehouse-in time of the purchased building materials, wherein the warehouse-in time is generated based on the residual capacity of the material warehouse and the purchase quantity of the purchased building materials;
and the ex-warehouse management module is used for carrying out ex-warehouse management on the in-warehouse building materials based on the construction time of the building project.
In one embodiment of the present application, obtaining price fluctuation information of building materials required for each project includes:
acquiring price data of each building material in the project demand at a plurality of historical time points;
calculating a fluctuation index of each building material at a plurality of historical time points based on price data of the corresponding building material
Fluctuation index->
The mathematical expression of (2) is:
wherein ,
for the number of historical time points, +.>
Is->
Price data for each historical time point, +.>
An average value of price data for a plurality of historical time points;
extracting mid-price trough time periods from price data of each building material at a plurality of historical time points;
based on the fluctuation index
Constructing price waves for the price trough periodDynamic information.
In an embodiment of the present application, making a purchase plan based on a start time of a building project, price fluctuation information of building materials required by the project, and a building material required amount required by the project includes:
the fluctuation index is set
Comparing with a preset fluctuation threshold value;
at the fluctuation index
Determining a first purchasing time of the building project and a purchasing quantity at the first purchasing time when the price trough time period is less than or equal to a preset fluctuation threshold value or before the starting time, wherein the purchasing time is a time point of a preset time value before the starting time of the building project, and the purchasing quantity is the building material demand quantity of the building project;
at the fluctuation index
Is larger than a preset fluctuation threshold value, and when the price trough time period is after the starting time, determining the first purchasing time of the building project +.>
Second purchasing time->
First purchase amount->
Second purchase quantity->
Wherein, first purchase time ∈>
The second time is a time point preset with a time value before the starting time of the building projectPurchasing time->
Said first purchase amount +.>
The second purchase amount->
, wherein ,/>
For the construction time of the building project, +.>
For the building material requirements.
In an embodiment of the present application, extracting the mid-price trough period from the price data of the building material at a plurality of historical points in time includes:
dividing the plurality of historical time points to obtain a plurality of groups of target time points, wherein each group of target time points are positioned in a unit time period;
calculating an average value of price data for each set of target time points
；
Price data corresponding to the target time points in each group are compared with corresponding average values
Compare and will be less than +.>
The time point corresponding to the price data of (2) is taken as a low price time point, wherein +_>
Is a scale factor;
the price valley period is determined from the low price time points among the plurality of sets of target time points.
In an embodiment of the present application, determining a price trough period from among low price time points among a plurality of sets of target time points includes:
mapping the multiple groups of target time points into a unit time axis;
and determining a low-price time period from the unit time axis, wherein the distribution density of target time points in the low-price time period is larger than a preset density threshold value.
In one embodiment of the present application, determining a time to warehouse entry of purchased building material includes:
acquiring the current storable capacity of each building material in the material warehouse;
purchasing quantity of each building material
Current storable capacity of the corresponding building material +.>
Comparing;
in the purchase amount of building materials
Less than or equal to the current storable capacity of the corresponding building material +.>
When the building material is stored, the current time is taken as the storage time of the building material;
in the purchase amount of building materials
Greater than the current storable capacity of the corresponding building material +.>
When the building material is used, the current time is taken as the first warehousing time of the building material, and the second warehousing time of the building material is determined, wherein the warehousing quantity corresponding to the first warehousing time is +.>
The first step ofThe second warehouse entry time is the storage capacity of the building material returns to +>
Is a time of day (c).
In an embodiment of the present application, further includes:
binding the building material information stored in the storage with the building project in response to an external storage request, wherein the building material information comprises building material types, building material storage quantity and the building project to which the building material information belongs;
a building material inventory information list is generated based on the bound building material information and building items.
In an embodiment of the present application, the ex-warehouse management of the building materials put in warehouse based on the construction time of the building project includes:
comparing a request for delivery with the building material inventory information list in response to a request for delivery from outside, wherein the request for delivery comprises a type of delivery material, delivery amount of the type of material, and a building item to which the type of material belongs;
when the building material inventory information list contains the type of the ex-warehouse materials corresponding to the building project, and the ex-warehouse quantity of the type of materials is smaller than or equal to the inventory quantity, generating an ex-warehouse list;
and when the building material inventory information list does not contain the type of the materials to be delivered corresponding to the building project, or the delivery amount of the type of the materials is larger than the inventory amount, borrowing the type of the materials from other building projects, and generating a borrowing delivery bill, wherein the borrowing delivery bill comprises a material borrowing project, a material attribution project and a borrowing amount.
In an embodiment of the present application, further includes:
and the material transfer module is used for responding to an external warehousing request, comparing the warehoused building material information with the borrowing and delivering warehouse list, and transferring the materials with the borrowing and delivering amount in the building material information to the material attribution item when the affiliated building item of the warehoused building material information is consistent with the material borrowing and delivering item in the borrowing and delivering warehouse list.
In an embodiment of the present application, further includes:
and the feedback module is used for counting the material use details of the building project when the building project is finished, and feeding back the material use details to a target object.
The beneficial effects of the invention are as follows: according to the building design and building material management system, the building materials, the construction time and other information required by the building project are extracted from the building design file and the construction scheme corresponding to the building design file. And then determining purchasing time according to price fluctuation information of the corresponding building materials and starting time so as to ensure that the cost of the building engineering is minimized. In addition, the warehouse-in time is determined based on information such as the stock quantity of a warehouse and the purchase quantity of building materials, so that accurate warehouse-in management and refined warehouse-out management are performed, and the refined management of the building materials in the building project is realized. The rising of building project cost is avoided, and the problem of disordered management of the existing building materials is also solved.
Drawings
The invention is further described below with reference to the accompanying drawings and examples:
FIG. 1 is a schematic illustration of a system for building design and material management according to an embodiment of the present invention;
FIG. 2 is a block diagram of a building design and building material management system in accordance with one embodiment of the present invention;
FIG. 3 is a flow chart of constructing price volatility information in an embodiment of the present invention;
FIG. 4 is a flow chart of determining a price trough period in an embodiment of the invention;
FIG. 5 is a flow chart of a purchasing plan making process according to an embodiment of the present invention;
FIG. 6 is a flow chart of determining a time to warehouse entry of purchased building material in an embodiment of the invention;
FIG. 7 is a flowchart of the present invention for performing out-of-warehouse management.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict.
It should be noted that the illustrations provided in the following embodiments merely illustrate the basic concept of the present invention by way of illustration, and only the layers related to the present invention are shown in the drawings and are not drawn according to the number, shape and size of the layers in actual implementation, and the form, number and proportion of the layers in actual implementation may be arbitrarily changed, and the layer layout may be more complex.
In the following description, numerous details are discussed to provide a more thorough explanation of embodiments of the present invention, however, it will be apparent to one skilled in the art that embodiments of the present invention may be practiced without these specific details.
The building design and building material management system is applied to the field of computer management, and an execution object can be a computer, a mobile terminal or a server.
Fig. 1 is an application scenario diagram of a building design and building material management system in the present application, as shown in fig. 1, a storage server is used to store building design files and construction plan data, a management server may obtain the building design files and construction plan in the storage server through a network, and the management server extracts material requirements and construction time of each building project from the building design files and construction plan, and performs fine management based on the material requirements and the construction time. The management server is connected with management computers of all warehouses to perform management data interaction.
FIG. 2 is a diagram illustrating the architecture of a building design and building material management system according to one embodiment of the present application, as shown in FIG. 2: the building design and building material management system of the present embodiment includes:
the extracting module 210 is configured to extract building materials required by a project from a design file of the building project, and extract a construction time of the building project from a construction scheme corresponding to the design file of the building project, where the construction time includes a start time;
an information acquisition module 220 for acquiring price fluctuation information of building materials required by the project and the building material required amount required by the project;
the purchase management module 230 is configured to make a purchase plan based on a start time of a building project, price fluctuation information of building materials required by the project, and a building material required amount required by the project, so that an execution object performs purchase according to the purchase plan;
a warehouse management module 240, configured to determine a warehouse time of the purchased building material, where the warehouse time is generated based on a remaining capacity of the material warehouse and a purchase amount of the purchased building material;
and the ex-warehouse management module 250 is used for performing ex-warehouse management on the building materials put in the warehouse based on the construction time of the building project.
The extraction module is arranged in the management server, and the management server can extract building materials with project requirements from the design files of the building projects in a mode of character recognition, key field matching, manual marking and the like, and extract the construction time of the building projects from the construction scheme corresponding to the design files of the building projects. In this embodiment, the existing character recognition model may be used for character recognition.
The material requirements may be collected from the design file, but in some cases the actual building material requirements differ significantly from the material compiled in the design file. Thus, in this embodiment, the building material demand is actually extracted by the construction scheme, or the building material demand is manually programmed. The price fluctuation information of the building materials is obtained by counting daily updated building material price data in the network market. Specifically, as shown in fig. 3, the price fluctuation information is constructed by:
s110, acquiring price data of each building material in the project demand at a plurality of historical time points;
s120, calculating fluctuation index of the corresponding building material based on price data of each building material at a plurality of historical time points
Fluctuation index->
The mathematical expression of (2) is:
wherein ,
for the number of historical time points, +.>
Is->
Price data for each historical time point, +.>
An average value of price data for a plurality of historical time points;
s130, extracting a mid-price trough time period from price data of each building material at a plurality of historical time points;
s140, based on the fluctuation index
And constructing price fluctuation information for the price trough period.
Wherein the material requirements of each building project include a plurality of building materials, in this embodiment, each building material is analyzed separately. Price data for each building material at a plurality of historical time points is acquired, and the acquisition frequency can be once a day or once a week.
In this embodiment, the required price fluctuation information includes a fluctuation index of the building material and a price valley period, wherein the fluctuation index is used to reflect the price stability of the building material, and the price valley period is used to know the time law that the building material is in the price valley. The price fluctuation information can help us to lower the purchasing cost when purchasing materials.
In this embodiment, the price fluctuation index of the building material is calculated by means of variance calculation, and the price trough period is determined by means of statistics. As shown in fig. 4, the determination of the price valley period may include the steps of:
s131, dividing the plurality of historical time points to obtain a plurality of groups of target time points, wherein each group of target time points are positioned in a unit time period;
s132, calculating an average value of price data of each group of target time points
；
S133, the price data corresponding to the target time points in each group are compared with the corresponding average value
Compare and will be less than +.>
The time point corresponding to the price data of (2) is taken as a low price time point, wherein +_>
Is a scale factor;
and S134, determining a price trough time period from low price time points in the multiple groups of target time points.
In this embodiment, it is first necessary to divide a plurality of history time points into a plurality of groups according to different unit time periods. For example, a plurality of history time points are divided by one year, resulting in a target time point in each year.
Since building materials may be present in different markets each year, the following is a reasonThis calculates the average price per year (i.e. average
) And the average price is taken as the market of the building material in the corresponding year. Then by comparing each price data in a year with the market, the price at the target time point is lower than the average value multiplied by the scale factor (i.e +.>
) The corresponding target time point may be marked as a low-cost time point. In general, the scaling factor->
Between 80% and 90%, for some building materials with relatively stable prices, more than 90% may be taken, whereas less than 80% may be taken.
Wherein, a plurality of low-price time points can be confirmed from a plurality of history time points through the above-described process. There may be some merchant spontaneous behavior (e.g., promotions, deliberately low prices, etc.), resulting in lower prices at a point in time, but uncertainty in the behavior of a single merchant, not being a quotation reference. Therefore, it is also necessary to determine a stable low cost period as a reference. In the present embodiment, the process of determining the price valley period from among the low price time points among the plurality of sets of target time points includes:
mapping the multiple groups of target time points into a unit time axis;
the unit time axis refers to a time axis established according to a periodic rule, such as a time axis of natural years.
And determining a low-price time period from the unit time axis, wherein the distribution density of target time points in the low-price time period is larger than a preset density threshold value.
The low-valley time period is determined by calculating the density, that is, a large number of low-price time points appear in a period of time, and it can be said that a large number of merchants appear in the period of time. If 25 low price time points occur within a month, it can be inferred that the month is a low price period.
In an embodiment of the present application, as shown in fig. 5, making a purchase plan based on a starting time of a building project, price fluctuation information of building materials required by the project, and a building material required amount required by the project, includes:
s210, the fluctuation index is processed
Comparing with a preset fluctuation threshold value;
s220, at the fluctuation index
Determining a first purchasing time of the building project and a purchasing quantity at the first purchasing time when the price trough time period is less than or equal to a preset fluctuation threshold value or before the starting time, wherein the purchasing time is a time point of a preset time value before the starting time of the building project, and the purchasing quantity is the building material demand quantity of the building project;
s230, at the fluctuation index
Is larger than a preset fluctuation threshold value, and when the price trough time period is after the starting time, determining the first purchasing time of the building project +.>
Second purchasing time->
First purchase amount->
Second purchase quantity->
Wherein, first purchase time ∈>
For the start time of the building projectThe second purchase time +_for the time point of the previous preset time value>
Said first purchase amount +.>
The second purchase amount->
, wherein ,/>
For the construction time of the building project, +.>
For the building material requirements.
The purchase plan comprises purchase time and purchase quantity corresponding to the purchase time. In this embodiment, the price stability of the corresponding building material is judged by the fluctuation index. If the fluctuation index of the corresponding building material is lower than the preset fluctuation threshold value, the price stability of the building material is higher. The price of the building material does not change much, and in this case, the building material needs to be purchased N days before the start time in advance in order to ensure the construction progress. The price of the building material does not change greatly, so that the demand of the whole project is purchased at one time, and the risk of construction stop caused by material shortage is avoided.
In addition, if the price fluctuation index of the building material is high, the price is not stable enough. The price valley period of the corresponding building material needs to be judged, and if the price valley period of the building material is before the starting time, the building material is purchased directly in the price valley period. The construction method can ensure lower material cost and construction progress. If the low price time period of the material is after the starting time, the application splits the demand, and purchases the material meeting the starting time to the low price time period at the first purchasing time, namely
. And purchasing the rest building materials for the second time in the low-price time period, so that the construction progress is ensured while the material cost is reduced as much as possible.
The above processes are all contents of purchase management, and after the building materials are purchased, the building materials also need to be subjected to warehouse-in and warehouse-out management. Since materials of construction projects are numerous, there are often cases where a plurality of projects are performed simultaneously. Therefore, the warehouse is easy to be in disorder conditions such as insufficient inventory, material stealing and the like. The present embodiment will solve the above-described technical problems from two aspects of warehouse management and ex-warehouse management.
In this application, after purchasing the building material, the building material is not necessarily put in storage by the standing horse through the logistics when purchasing is completed. The warehouse-in time of each building material is determined based on the specific condition of the warehouse, so that the condition that the materials are stacked outdoors due to insufficient inventory is avoided.
In one embodiment of the present application, as shown in fig. 6, the process of determining the time to warehouse of the purchased building material includes:
s310, acquiring the current storable capacity of each building material in a material warehouse;
s320, purchasing quantity of each building material
Current storable capacity of the corresponding building material +.>
Comparing;
s330, purchasing quantity of building materials
Less than or equal to the current storable capacity of the corresponding building material +.>
When the building material is stored, the current time is taken as the storage time of the building material;
s340, purchasing quantity of building materials
Greater than the current storable capacity of the corresponding building material +.>
When the building material is used, the current time is taken as the first warehousing time of the building material, and the second warehousing time of the building material is determined, wherein the warehousing quantity corresponding to the first warehousing time is +.>
The second warehouse-in moment is the return of the storable capacity of the building material
Is a time of day (c).
Wherein the storage amount of the warehouse is fixed and separated for each building material, and parts such as storage bolts, fasteners and the like are generally stacked in boxes in the shelves. And cement and river sand materials are piled up on the ground. Manual inventory is therefore required periodically to obtain the current storable capacity of each building material.
If the amount of a certain building material purchased in a building project is less than or equal to the storable capacity of the building material, the warehouse entry may be directly performed, and at this time, the shipment amount (i.e., the total purchase amount) of the supplier may be confirmed by a stand (at the present time) and then the warehouse entry may be performed by logistics. In many cases, however, the amount of a certain building material purchased by a building project is greater than the storable capacity of the building material, and the system automatically determines the shipping amount of the supplier based on the storable capacity of the material. And then the storable capacity of the warehouse is obtained again through periodical stocking, and when the storage capacity reaches the residual quantity, a shipping notice is automatically generated at the moment (second warehousing moment) when the storage capacity reaches the residual quantity, so as to inform a supplier of sending the residual quantity out for warehousing. The above process requires no human intervention other than routine inventory. The method is automatically executed by the management computer and the management server of the warehouse, is simple and quick, and can not generate missing conditions.
In an embodiment of the present application, when the warehouse entry is specifically performed, the method further includes the following steps:
binding the building material information stored in the storage with the building project in response to an external storage request, wherein the building material information comprises building material types, building material storage quantity and the building project to which the building material information belongs;
a building material inventory information list is generated based on the bound building material information and building items.
When the warehouse is in warehouse, information is required to be input in a management computer of the warehouse. The external operator inputs the warehouse-in request into the management computer, and the system automatically builds a building material inventory information list based on the type of building material to be warehoused, the warehouse-in amount of each building material, and the building project to which it belongs. And manages a subsequent ex-warehouse process based on the building material inventory information list.
In an embodiment of the present application, as shown in fig. 7, the ex-warehouse management of the building materials put in the warehouse based on the construction time of the building project includes:
s410, responding to a request for ex-warehouse, and comparing the request for ex-warehouse with the building material inventory information list, wherein the request for ex-warehouse comprises the type of the ex-warehouse materials, the ex-warehouse quantity of the type of the materials and the affiliated building projects;
s420, when the building material inventory information list contains the type of the ex-warehouse materials corresponding to the building project, and the ex-warehouse quantity of the type of materials is smaller than or equal to the inventory quantity, an ex-warehouse list is generated;
and S430, borrowing the type of materials from other building projects and generating a borrowed and delivered bill when the type of the materials to be delivered corresponding to the building projects does not exist in the building material inventory information list or the delivery quantity of the type of materials is larger than the inventory quantity, wherein the borrowed and delivered bill comprises a material borrowing project, a material attribution project and a borrowing quantity.
In this embodiment, the problem of confusion of material details caused by material stealing is mainly solved by the ex-warehouse management.
Since the building material inventory information list is generated in the above process, the building material inventory information list classifies the building materials put in storage based on the items. It is therefore necessary to ensure that the item of the material being delivered is consistent with the item in the request at the time of delivery. If the corresponding item in the outbound request does not have material in the request, or the amount of material is insufficient. The request is automatically mapped to the borrowed library class. When the borrowing and delivering bill is generated, the material borrowing item, the material attribution item and the borrowing amount of the borrowing are automatically recorded.
In addition, the method and the system can avoid the situation that a delivery requester imports other projects to get materials through management procedures. And stamping by a person in charge of the corresponding project if required.
The system can generate a large number of borrowing and delivering orders when in operation, and the borrowing and delivering orders are used for automatically transferring the attribution of materials when in storage, so the system further comprises:
and the material transfer module is used for responding to an external warehousing request, comparing the warehoused building material information with the borrowing and delivering warehouse list, and transferring the materials with the borrowing and delivering amount in the building material information to the material attribution item when the affiliated building item of the warehoused building material information is consistent with the material borrowing and delivering item in the borrowing and delivering warehouse list.
When the materials are put in the warehouse each time, the item to which the materials are put in the warehouse is required to be compared with the material borrowing item in the borrowing and delivering bill. And if the materials are consistent, automatically allocating the borrowed amount of materials to the materials belonging project. No manual checking and returning are needed, and time and labor are saved. The problem of material detail confusion in the material management process is solved.
In addition, the item and the borrowing item may not be in the same warehouse, and because the material transfer module is arranged in the management server, the management computer of each warehouse automatically uploads the borrowing bill to the sub-management server, and the management server automatically transfers the borrowing bill and determines the receiving address when the supplier delivers the borrowing bill. Further improving the automation degree of material management.
In an embodiment of the present application, further includes:
and the feedback module is used for counting the material use details of the building project when the building project is finished, and feeding back the material use details to a target object.
When each building project is finished, counting material use details according to the delivery bill or by borrowing the delivery bill, and feeding back to the management personnel and the design department. The construction cost of the project can be integrally controlled by a manager, and the actual situation can be fed back to the design department, so that the designer can adjust the follow-up design files according to the actual material use situation.
According to the building design and building material management system, the building materials, the construction time and other information required by the building project are extracted from the building design file and the construction scheme corresponding to the building design file. And then determining purchasing time according to price fluctuation information of the corresponding building materials and starting time so as to ensure that the cost of the building engineering is minimized. In addition, the warehouse-in time is determined based on information such as the stock quantity of a warehouse and the purchase quantity of building materials, so that accurate warehouse-in management and refined warehouse-out management are performed, and the refined management of the building materials in the building project is realized. The rising of building project cost is avoided, and the problem of disordered management of the existing building materials is also solved.
The present embodiment also provides a computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements any of the methods of the present embodiments, wherein the method is the execution logic of the present system.
The embodiment also provides an electronic terminal, including: a processor and a memory;
the memory is used for storing a computer program, and the processor is used for executing the computer program stored in the memory, so that the terminal executes any one of the methods in the embodiment.
The computer readable storage medium in this embodiment, as will be appreciated by those of ordinary skill in the art: all or part of the steps for implementing the method embodiments described above may be performed by computer program related hardware. The aforementioned computer program may be stored in a computer readable storage medium. The program, when executed, performs steps including the method embodiments described above; and the aforementioned storage medium includes: various media that can store program code, such as ROM, RAM, magnetic or optical disks.
The electronic terminal provided in this embodiment includes a processor, a memory, a transceiver, and a communication interface, where the memory and the communication interface are connected to the processor and the transceiver and complete communication with each other, the memory is used to store a computer program, the communication interface is used to perform communication, and the processor and the transceiver are used to run the computer program, so that the electronic terminal performs each step of the above method.
In this embodiment, the memory may include a random access memory (Random Access Memory, abbreviated as RAM), and may further include a non-volatile memory (non-volatile memory), such as at least one magnetic disk memory.
The processor may be a general-purpose processor, including a central processing unit (Central Processing Unit, CPU for short), a network processor (Network Processor, NP for short), etc.; but also digital signal processors (Digital Signal Processing, DSP for short), application specific integrated circuits (Application Specific Integrated Circuit, ASIC for short), field-programmable gate arrays (Field-Programmable Gate Array, FPGA for short) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components.
In the above embodiments, while the present invention has been described in conjunction with specific embodiments thereof, many alternatives, modifications and variations of these embodiments will be apparent to those skilled in the art in light of the foregoing description. The embodiments of the invention are intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (10)
1. A building design and building material management system, comprising:
the extraction module is used for extracting building materials required by the project from the design file of the building project and extracting the construction time of the building project from the construction scheme corresponding to the design file of the building project, wherein the construction time comprises the starting time;
the information acquisition module is used for acquiring the price fluctuation information of the building materials required by the project and the building material required quantity required by the project;
the purchasing management module is used for making a purchasing plan based on the starting time of a building project, the price fluctuation information of building materials required by the project and the building material required quantity required by the project so that an execution object performs purchasing according to the purchasing plan;
the warehouse-in management module is used for determining the warehouse-in time of the purchased building materials, wherein the warehouse-in time is generated based on the residual capacity of the material warehouse and the purchase quantity of the purchased building materials;
and the ex-warehouse management module is used for carrying out ex-warehouse management on the in-warehouse building materials based on the construction time of the building project.
2. The building design and construction material management system according to claim 1, wherein obtaining the price fluctuation information of the construction material required for each project comprises:
acquiring price data of each building material in the project demand at a plurality of historical time points;
calculating a fluctuation index of each building material at a plurality of historical time points based on price data of the corresponding building material
Fluctuation index->
The mathematical expression of (2) is:
wherein ,
for the number of historical time points, +.>
Is->
Price data for each historical time point, +.>
An average value of price data for a plurality of historical time points;
extracting mid-price trough time periods from price data of each building material at a plurality of historical time points;
based on the fluctuation index
And constructing price fluctuation information for the price trough period.
3. The building design and construction material management system according to claim 2, wherein making a purchase plan based on a start-up time of a building project, price fluctuation information of construction material of the project demand, and a construction material demand amount of the project demand, comprises:
the fluctuation index is set
Comparing with a preset fluctuation threshold value;
in the wave fingerNumber of digits
Determining a first purchasing time of the building project and a purchasing quantity at the first purchasing time when the price trough time period is less than or equal to a preset fluctuation threshold value or before the starting time, wherein the purchasing time is a time point of a preset time value before the starting time of the building project, and the purchasing quantity is the building material demand quantity of the building project;
at the fluctuation index
Is larger than a preset fluctuation threshold value, and when the price trough time period is after the starting time, determining the first purchasing time of the building project +.>
Second purchasing time->
First purchase amount->
Second purchase quantity
Wherein, first purchase time ∈>
For a point in time of a preset time value prior to the start-up time of the building project, the second purchasing time +.>
Said first purchase amount +.>
The second purchase amount->
, wherein ,/>
For the construction time of the building project, +.>
For the building material requirements.
4. The building design and building material management system of claim 1, wherein extracting mid-price valley time periods from price data of the building material at a plurality of historical points in time comprises:
dividing the plurality of historical time points to obtain a plurality of groups of target time points, wherein each group of target time points are positioned in a unit time period;
calculating an average value of price data for each set of target time points
；
Price data corresponding to the target time points in each group are compared with corresponding average values
Compare and will be less than +.>
The time point corresponding to the price data of (2) is taken as a low price time point, wherein +_>
Is a scale factor;
the price valley period is determined from the low price time points among the plurality of sets of target time points.
5. The building design and building material management system according to claim 4, wherein determining the price valley period from among the low price points in time among the plurality of sets of target points in time comprises:
mapping the multiple groups of target time points into a unit time axis;
and determining a low-price time period from the unit time axis, wherein the distribution density of target time points in the low-price time period is larger than a preset density threshold value.
6. The building design and building material management system of claim 1, wherein determining a time to warehouse for purchased building material comprises:
acquiring the current storable capacity of each building material in the material warehouse;
purchasing quantity of each building material
Current storable capacity of the corresponding building material +.>
Comparing;
in the purchase amount of building materials
Less than or equal to the current storable capacity of the corresponding building material +.>
When the building material is stored, the current time is taken as the storage time of the building material;
in the purchase amount of building materials
Greater than the current storable capacity of the corresponding building material +.>
When the present time is used as the first warehousing time of the building material, and the second warehousing time of the building material is determinedIn the first warehouse-in time, the corresponding warehouse-in quantity is +.>
The second warehouse-in moment is that the storable capacity of the building material returns to +.>
Is a time of day (c).
7. The building design and construction material management system according to claim 6, further comprising:
binding the building material information stored in the storage with the building project in response to an external storage request, wherein the building material information comprises building material types, building material storage quantity and the building project to which the building material information belongs;
a building material inventory information list is generated based on the bound building material information and building items.
8. The building design and building material management system according to claim 7, wherein the ex-warehouse management of the in-warehouse building material based on the construction time of the building project comprises:
comparing a request for delivery with the building material inventory information list in response to a request for delivery from outside, wherein the request for delivery comprises a type of delivery material, delivery amount of the type of material, and a building item to which the type of material belongs;
when the building material inventory information list contains the type of the ex-warehouse materials corresponding to the building project, and the ex-warehouse quantity of the type of materials is smaller than or equal to the inventory quantity, generating an ex-warehouse list;
and when the building material inventory information list does not contain the type of the materials to be delivered corresponding to the building project, or the delivery amount of the type of the materials is larger than the inventory amount, borrowing the type of the materials from other building projects, and generating a borrowing delivery bill, wherein the borrowing delivery bill comprises a material borrowing project, a material attribution project and a borrowing amount.
9. The building design and construction material management system according to claim 8, further comprising:
and the material transfer module is used for responding to an external warehousing request, comparing the warehoused building material information with the borrowing and delivering warehouse list, and transferring the materials with the borrowing and delivering amount in the building material information to the material attribution item when the affiliated building item of the warehoused building material information is consistent with the material borrowing and delivering item in the borrowing and delivering warehouse list.
10. The building design and construction material management system according to claim 1, further comprising:
and the feedback module is used for counting the material use details of the building project when the building project is finished, and feeding back the material use details to a target object.
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