CN112101593A - General investigation method and system for drainage pipe network - Google Patents
General investigation method and system for drainage pipe network Download PDFInfo
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Abstract
The invention discloses a general investigation method and a general investigation system for a drainage pipe network, wherein the general investigation method comprises the steps of S1, creating a sample database of a pipe network system; the pipe network system comprises a pipe network data template and a geographic position coordinate system value corresponding to each inspection well; s2, starting general survey; collecting the geographic position coordinates of the inspection wells, and searching the corresponding inspection wells according to the geographic position coordinate system values corresponding to the inspection wells in the pipe network system; s3, according to the corresponding pipe network data template related to the inspection well, the acquired data information of the inspection well is recorded into the corresponding pipe network data template; s4, summarizing data, and creating a vector diagram of the pipe network system; and S5, importing the vector diagram into the pipe network system, updating the sample database of the pipe network system, and completing the general survey of the drainage pipe network. The general survey method takes the summarized data and the vector diagram of the pipe network system as basic data of the municipal platform system, and is used for guiding relevant personnel of a maintenance department to dredge each drainage pipe of the drainage pipe network, so that the normal operation of the municipal drainage pipe network is ensured.
Description
Technical Field
The invention belongs to the technical field of municipal facilities, and particularly relates to a general survey method and system for a drainage pipe network.
Background
The drainage pipe network system comprises drainage pipes which are arranged in an intricate and complex mode, and the general investigation work of the drainage pipe network is the key point of municipal work. The drainage pipeline is dredged according to the conclusion of general investigation, and the precision of general investigation influences the development of follow-up work. In summer and autumn, the rainwater is in a high-rise time period, and the urban flood-fighting and moisture-proof work is well done, so that drainage pipelines cannot be separated, and particularly, the frequent waterlogging point is formed. Road operation has considerable risk, and safety protection work is done to avoid accidents.
In a municipal platform system, basic data modeling covers modules such as roads, bridges, street lamps, greenery and pump stations, but the system is lack of drainage pipeline modeling and uniform processing on drainage pipeline information and data acquisition, and cannot create vector diagrams related to a drainage pipe network system, so that related personnel of a maintenance part dredge drainage pipes of the drainage pipe network.
Disclosure of Invention
In order to overcome the problems in the prior art, the invention provides a general investigation method and a general investigation system for a drainage pipe network, and aims to solve the problem that a municipal platform system is lack of basic data of a drainage pipe network and further cannot guide a maintenance department to dredge the drainage pipe of the drainage pipe network in time.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the invention provides a general investigation method for a drainage pipe network, which comprises the following steps:
s1, creating a sample database of the pipe network system; the pipe network system comprises a pipe network data template and a geographic position coordinate system value corresponding to each inspection well;
s2, starting general survey; collecting the geographic position coordinates of the inspection wells, and searching the corresponding inspection wells according to the geographic position coordinate system values corresponding to the inspection wells in the pipe network system;
s3, according to the corresponding pipe network data template related to the inspection well, the acquired data information of the inspection well is recorded into the corresponding pipe network data template;
s4, summarizing data, and creating a vector diagram of the pipe network system;
and S5, importing the vector diagram into the pipe network system, updating the sample database of the pipe network system, and completing the general survey of the drainage pipe network.
Further, in step S1, the creating a sample database of the pipe network system includes:
s11, dividing cells according to the geographic position of the inspection well;
s12, collecting pipe network data of the corresponding drainage pipe network in each cell, and formulating a pipe network data template; the pipe network data template comprises field information of a statistical table header corresponding to the inspection well and a statistical data template text related to the characteristics of the inspection well; wherein the content of the first and second substances,
the statistical data template text comprises at least one of the serial number of each drainage pipeline, the pipeline material, the pipe diameter, the pipeline length and the condition of the unit corresponding to each drainage pipeline.
Further, in step S12, the step of formulating a pipe network data template includes:
logging in a pipe network system, and searching a corresponding inspection well according to the current geographical position of the map;
counting field information of each inspection well; the field information comprises at least one of the type of the inspection well, the geographic position corresponding to the inspection well, the pipeline type corresponding to the inspection well, the size of the well cover, the clogging condition of each position and the picture information of the pipeline;
and after confirming the field information, counting the data of the pipe network system, and setting a general survey plan of the drainage pipe network.
Further, the step S12 further includes:
s121, adding geographic position coordinates corresponding to the inspection well into the cell;
s122, after the geographic position coordinates of the inspection well are marked, combining the geographic position coordinates corresponding to the inspection well with the field information;
and S123, shooting pictures of the inspection well and the drainage pipeline corresponding to the inspection well according to the geographical position of the inspection well, and transmitting the pictures to field information of the pipe network system.
Further, in the step S123,
according to the geographic position of the inspection well, when the corresponding inspection well cannot be found on a map of a pipe network system or the position coordinate of the current inspection well cannot be identified, the inspection well, the position coordinate of the inspection well and field information corresponding to the inspection well are added.
Further, the step S123 further includes:
s124, shooting the current inspection well according to a preset direction, and uploading the pictures and the corresponding direction of each picture to a map of a pipe network system;
s125, filling the clogging condition of the drainage pipeline corresponding to the inspection well in each position in the field information corresponding to the inspection well; the clogging condition is indicated by the percentage of the clogging amount in the volume of the corresponding drainage pipeline;
and S126, after the inspection well data are filled, clicking and storing, and converting the inspection well interface corresponding to the pipe network system into a specified color.
Further, between the step S124 and the step S125, the following is further included: and if the coordinate of the current inspection well is not in the pipe network system, clicking a 'new' button of an APP map of the pipe network system, converting the interface into a new inspection well information interface, and adding the position coordinate of the corresponding inspection well and the field information corresponding to the inspection well.
Further, in step S124, the pictures at least include a perspective view of the inspection well and a pipe diameter picture of the drainage pipeline corresponding to the inspection well;
the field information of the inspection well is matched with the picture.
Further, the step S2 further includes:
selecting an inspection well and a drainage pipeline at a preset geographical position for test point general investigation;
and after the test point general survey is finished, starting the comprehensive general survey, and monitoring through a background in data communication with the pipe network system.
The invention also provides a general investigation system for the drainage pipe network, which comprises:
the mobile terminal is used for installing a pipe network system; the mobile terminal is in data communication with the background and is used for monitoring general survey of the drainage pipe network; summarizing the general survey data, updating a sample database of a pipe network system, and creating a vector diagram of the pipe network system;
the shooting device comprises a camera, a telescopic bracket and a shooting lamp, wherein the telescopic bracket is used for extending the camera into a drainage pipe network for shooting;
the waterproof shell is arranged on the shooting device, coats the shooting device and is used for preventing water;
and the charging equipment is used for providing power for the mobile terminal and the shooting device.
The invention has the following beneficial effects:
the general investigation method of the drainage pipe network comprises the steps of establishing a sample database of a pipe network system, and setting a pipe network data template and a geographic position coordinate system value of an inspection well; acquiring data information of the inspection well through general survey, inputting the data information into a corresponding pipe network data template, summarizing the data, and creating a vector diagram of a pipe network system; and importing the vector diagram into a pipe network system, updating a sample database of the pipe network system, and finishing the general survey of the drainage pipe network. And the summarized data and the vector diagram of the pipe network system are used as basic data of the municipal platform system to guide maintenance department relevant personnel to dredge each drainage pipe of the drainage pipe network, so that the normal operation of the municipal drainage pipe network is ensured.
The drainage pipe network general investigation system comprises a mobile terminal, a shooting device, a waterproof shell and charging equipment, and is used for general investigation of the drainage pipe network.
Drawings
FIG. 1 is a schematic flow diagram of a method for screening a drainpipe network according to the present invention;
fig. 2 is a schematic structural diagram of the drainage pipe network census system of the present invention.
The reference numbers are as follows:
1. a mobile terminal; 2. a back stage of the maintenance part; 3. a photographing device; 4. a waterproof housing; 5. a charging device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, the invention provides a general survey method for a drainage pipe network, which is used for general survey of a municipal drainage pipe network, collecting data information of drainage pipes of the drainage pipe network, uniformly processing the collected data information, updating sample data information of the pipe network system, and further guiding relevant personnel of a maintenance department to dredge the drainage pipes of the drainage pipe network. The general investigation method comprises the following steps:
s1, creating a sample database of the pipe network system; the pipe network system comprises a pipe network data template and a geographic position coordinate system value corresponding to each inspection well;
municipal drainage network systems are a city's infrastructure and include: electric power, telecommunications, network, communications, heating, gas, rainwater drainage, sewage drainage, and the like. Different infrastructures and corresponding inspection wells have different numbers. The pipe network system comprises drainage pipelines which are arranged in an intricate and complex staggered mode, the drainage pipelines extend in a certain direction to form drainage pipelines, and the drainage pipelines are communicated with one another to form a huge pipe network system. The pipe network system is packaged at the bottom of the ground through an inspection well positioned on the ground, and during general inspection, maintenance personnel associate corresponding drainage pipes through the inspection well.
In this embodiment, an APP of a pipe network system is created through a mobile phone or a PC terminal. And building a frame structure of the pipe network system, collecting a plurality of sample data, importing the sample data into the frame structure, and simulating a real application environment to obtain a complete sample database of the pipe network system. In pipe network system APP, install the APP map, the general survey personnel find corresponding inspection shaft through the APP map. The pipe network system comprises a pipe network data template, wherein the pipe network data template which is adaptive to the environment is formulated before general investigation, and the formulated pipe network data template is confirmed with related personnel of a maintenance part to determine whether the requirements are met. The pipe network system also comprises a geographic position coordinate system value corresponding to each inspection well, and the geographic position coordinates of each inspection well are marked in an APP map of the pipe network system before general investigation according to the geographic position of the inspection well.
S2, starting general survey; collecting the geographic position coordinates of the inspection wells, and searching the corresponding inspection wells according to the geographic position coordinate system values corresponding to the inspection wells in the pipe network system;
the screening was started. In this embodiment, an inspection well and a drainage pipeline in a preset geographical position are selected for a point-of-examination general survey. And monitoring the statistical data of general investigation through the background data communication between the mobile phone or the PC terminal and the pipe network system. The preset geographical location may be selected as a street or a road segment.
After the pilot screening is over, full screening begins.
The general survey personnel arrive a certain street or a certain road section, the geographic position coordinates of the inspection well are collected through a mobile phone or a PC terminal, and the corresponding inspection well is searched according to the geographic position coordinate system value corresponding to the inspection well in the pipe network system.
S3, according to the corresponding pipe network data template related to the inspection well, the acquired data information of the inspection well is recorded into the corresponding pipe network data template;
in the pipe network system, according to the pipe network data template corresponding to the inspection well association, the acquired data information of the inspection well is recorded into the corresponding pipe network data template; the pipe network data template is self-defined according to the actual environment, or the pipe network data template is set in advance in the pipe network system.
S4, summarizing data, and creating a vector diagram of the pipe network system;
and summarizing the inspection wells and the data information corresponding to the inspection wells to create a vector diagram of the pipe network system. The vector diagram is called an object-oriented image or a drawing image, and points connected by lines along the direction of the drainage pipeline form the vector diagram of the pipe network system, so that maintenance personnel can conveniently look up the vector diagram, and further the maintenance department is guided to dredge the drainage pipelines of the drainage pipe network by related personnel.
And S5, importing the vector diagram into the pipe network system, updating the sample database of the pipe network system, and completing the general survey of the drainage pipe network.
And importing the drawn vector diagram into a pipe network system, and updating a sample database of the pipe network system. Optionally, in the pipe network system, data information such as an update version and a date of the pipe network system is saved. And setting time reminding for the second general investigation according to the period of the general investigation of the drainage pipe network. And storing the current version and the updated version, and comparing to obtain a road section with multiple blocked drainage pipelines. And the maintenance personnel mainly dredge the road section according to the general investigation condition, find out the silting reason and avoid secondary silting.
In this embodiment, as a further improvement of the foregoing technical solution, in step S1, creating a sample database of the pipe network system includes:
s11, dividing cells according to the geographic position of the inspection well;
s12, collecting pipe network data of the corresponding drainage pipe network in each cell, and formulating a pipe network data template; the pipe network data template comprises field information of a statistical table header corresponding to the inspection well and a statistical data template text related to the characteristics of the inspection well; wherein the content of the first and second substances,
the statistical data template text comprises at least one of the serial number of each drainage pipeline, the pipeline material, the pipe diameter, the pipeline length and the unit condition corresponding to each drainage pipeline.
In the step S11, the links to be census are divided into cells. Specifically, different cells are divided according to the lane and sidewalk in the road section, and the different cells are numbered. Optionally, based on a mesh division algorithm, the drainage pipe network is divided into a plurality of partitioned units by taking the length of the drainage pipe as a convergence condition. Collecting pipe network data of a corresponding drainage pipe network in each cell, and formulating a pipe network data template;
the pipe network data template comprises field information of the inspection well and a statistical data template text. The statistical data template text comprises the serial number of each drainage pipeline, the pipeline material, the pipe diameter, the pipeline length and the unit condition corresponding to each drainage pipeline. Optionally, counting each option of the text of the data template, setting a necessary option according to the priority, and selecting the filling option.
In this embodiment, as a further improvement of the foregoing technical solution, in step S12, the step of creating a pipe network data template includes:
logging in a pipe network system, and searching a corresponding inspection well according to the current geographical position of the map;
counting field information of each inspection well; the field information comprises at least one of the type of the inspection well, the geographic position corresponding to the inspection well, the pipeline type corresponding to the inspection well, the size of the well cover, the clogging condition of each position and the picture information of the pipeline;
and after confirming the field information, counting the data of the pipe network system, and setting a general survey plan of the drainage pipe network.
Specifically, general survey personnel arrive and wait to detect the highway section, open cell-phone or PC terminal, open the WIFI function, carry out data matching respectively with cell-phone or PC terminal and APP map, shooting system. And searching a corresponding inspection well according to the geographic position of the current road section positioned by the APP map.
Respectively counting field information of each inspection well; the field information comprises at least one of the type of the inspection well, the geographic position corresponding to the inspection well, the pipeline type corresponding to the inspection well, the size of the well cover, the clogging condition of each position and the picture information of the pipeline; optionally, the mandatory item and the optional item are set according to the priority of each option of the field information.
And after confirming the field information, counting the data of the pipe network system, and setting a general survey plan of the drainage pipe network.
Optionally, the number of the manhole, the manhole cover pattern or the words matching the type of the infrastructure are photographed by a photographing system, for example, the words of electric power, telecommunication, etc. of the manhole cover are photographed.
In this embodiment, as a further improvement of the above technical solution, step S12 further includes:
s121, adding geographic position coordinates corresponding to the inspection well into the cell;
s122, after the geographic position coordinates of the inspection well are marked, combining the geographic position coordinates corresponding to the inspection well with the field information;
and S123, shooting pictures of the inspection well and the drainage pipeline corresponding to the inspection well according to the geographical position of the inspection well, and transmitting the pictures to field information of the pipe network system.
In step S11, the cells are divided according to the geographical location of the manhole. Respectively adding the geographic position coordinates of the corresponding inspection well in each cell; after the marking of the geographic position coordinates of the inspection well is finished, combining the geographic position coordinates corresponding to the inspection well with the field information; and after the position coordinates of the current inspection well are obtained through the APP map, corresponding field information is automatically obtained.
And shooting pictures of the inspection well and the drainage pipeline according to the geographic position of the current road section positioned by the APP map. Specifically, use the instrument hammer to pry open manhole cover, through the telescopic installing support of shooting device, stretch into the inspection shaft with the camera and shoot. After the shooting is finished, opening a 'picture browsing' page of the mobile phone or the PC terminal, and storing the shot picture into an album.
And after the inspection well is shot, the picture is uploaded to the field information of the pipe network system.
In this embodiment, as a further improvement of the above technical solution, in step S123,
according to the geographic position of the inspection well, when the corresponding inspection well cannot be found on a map of a pipe network system or the position coordinate of the current inspection well cannot be identified, the inspection well, the position coordinate of the inspection well and field information corresponding to the inspection well are added.
Specifically, the geographic position of the current inspection well is located through a mobile phone or a PC terminal, and when the corresponding inspection well cannot be found on a map of a pipe network system or the position coordinate of the current inspection well cannot be identified, the inspection well and the field information corresponding to the inspection well are manually added according to the geographic position coordinate of the current inspection well.
In this embodiment, as a further improvement of the above technical solution, step S123 further includes:
s124, shooting the current inspection well according to a preset direction, and uploading the pictures and the corresponding direction of each picture to a map of a pipe network system;
s125, filling the clogging condition of the drainage pipeline corresponding to the inspection well in each position in the field information corresponding to the inspection well; the clogging condition is indicated by the percentage of the clogging amount in the volume of the corresponding drainage pipeline;
and S126, after the inspection well data are filled, clicking and storing, and converting the inspection well interface corresponding to the pipe network system into a specified color.
Specifically, the preset directions are sequentially: north, east, south, west. When shooting, shooting is carried out according to the direction, the shot picture and the corresponding direction of the picture are stored in the shooting device and then uploaded to the pipe network system.
Filling the clogging condition of the drainage pipeline corresponding to the inspection well in each position in the field information corresponding to the inspection well; for example, congestion conditions 0%, 25%, 50%, 75%, 100%, etc. are filled in the field information. And clicking to store after the inspection well data is filled. And the corresponding inspection well interface of the pipe network system is converted into a specified color, such as green.
In this embodiment, as a further improvement of the above technical solution, between step S124 and step S125, there is further included: and if the coordinate of the current inspection well is not in the pipe network system, clicking a 'new' button of an APP map of the pipe network system, converting the interface into a new inspection well information interface, and adding the position coordinate of the corresponding inspection well and the field information corresponding to the inspection well.
And if the coordinates of the current inspection well are not in the pipe network system, the geographic position of the current inspection well is positioned through a mobile phone or a PC terminal, and the position coordinates of the inspection well and field information corresponding to the inspection well are manually added in the APP map.
In the present solution, as a further improvement of the above technical solution, in step S124, the pictures at least include a perspective view of the inspection well and a pipe diameter picture of the drainage pipeline corresponding to the inspection well;
the field information of the inspection well is matched with the picture.
Specifically, the picture at least comprises a perspective view of the inspection well, and the perspective view reflects the environment of the current inspection well; the pipe diameter picture is used for reflecting the clogging condition of the current drainage pipeline. According to the set general survey accuracy, the perspective views or pipe diameter pictures of a plurality of inspection wells can be shot in the same direction.
The invention also provides a general investigation system for the drainage pipe network, which comprises:
the mobile terminal 1 is used for installing a pipe network system; the mobile terminal is in data communication with the background 2 of the maintenance part and is used for monitoring general survey of the drainage pipe network; summarizing the general survey data, updating a sample database of a pipe network system, and creating a vector diagram of the pipe network system;
the shooting device 3 comprises a camera, a telescopic bracket for extending the camera into a drainage pipe network for shooting and a shooting lamp for lighting;
a waterproof case 4 mounted on the photographing device to cover the photographing device for waterproofing;
and the charging equipment 5 is used for providing power for the mobile terminal and the shooting device.
In this embodiment, the mobile terminal includes a mobile phone or a PC terminal. And the mobile terminal is provided with an APP of the pipe network system. And the mobile terminal is in data communication with the background of the maintenance part. And when the general survey personnel arrive at the road section to be detected, the collected data information of the inspection well and the drainage pipe network is fed back to the background of the maintenance part, and the general survey data is summarized. And updating a sample database of the pipe network system, and creating a vector diagram of the pipe network system.
The waterproof shell is made of transparent materials; the camera of the shooting device is packaged in the waterproof shell and used for preventing water. During the shooting, the camera stretches into the drainage pipe network through the telescopic support, opens the photography luminaire that is used for the illumination, according to predetermined direction, shoots in proper order.
The charging equipment can be selected as a charger baby and supplies power to the mobile terminal and the shooting device.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and is not intended to limit the practice of the invention to these embodiments. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (10)
1. A general investigation method for a drainage pipe network is characterized by comprising the following steps:
s1, creating a sample database of the pipe network system; the pipe network system comprises a pipe network data template and a geographic position coordinate system value corresponding to each inspection well;
s2, starting general survey; collecting the geographic position coordinates of the inspection wells, and searching the corresponding inspection wells according to the geographic position coordinate system values corresponding to the inspection wells in the pipe network system;
s3, according to the corresponding pipe network data template related to the inspection well, the acquired data information of the inspection well is recorded into the corresponding pipe network data template;
s4, summarizing data, and creating a vector diagram of the pipe network system;
and S5, importing the vector diagram into the pipe network system, updating the sample database of the pipe network system, and completing the general survey of the drainage pipe network.
2. The census method of claim 1, wherein in step S1, the creating a sample database of a pipe network system comprises:
s11, dividing cells according to the geographic position of the inspection well;
s12, collecting pipe network data of the corresponding drainage pipe network in each cell, and formulating a pipe network data template; the pipe network data template comprises field information of a statistical table header corresponding to the inspection well and a statistical data template text related to the characteristics of the inspection well; wherein the content of the first and second substances,
the statistical data template text comprises at least one of the serial number of each drainage pipeline, the pipeline material, the pipe diameter, the pipeline length and the condition of the unit corresponding to each drainage pipeline.
3. The census method of claim 2, wherein in step S12, the step of formulating a pipe network data template includes:
logging in a pipe network system, and searching a corresponding inspection well according to the current geographical position of the map;
counting field information of each inspection well; the field information comprises at least one of the type of the inspection well, the geographic position corresponding to the inspection well, the pipeline type corresponding to the inspection well, the size of the well cover, the clogging condition of each position and the picture information of the pipeline;
and after confirming the field information, counting the data of the pipe network system, and setting a general survey plan of the drainage pipe network.
4. The census method of claim 3, wherein the step S12 further comprises:
s121, adding geographic position coordinates corresponding to the inspection well into the cell;
s122, after the geographic position coordinates of the inspection well are marked, combining the geographic position coordinates corresponding to the inspection well with the field information;
and S123, shooting pictures of the inspection well and the drainage pipeline corresponding to the inspection well according to the geographical position of the inspection well, and transmitting the pictures to field information of the pipe network system.
5. The census method of claim 4, wherein, in step S123,
according to the geographic position of the inspection well, when the corresponding inspection well cannot be found on a map of a pipe network system or the position coordinate of the current inspection well cannot be identified, the inspection well, the position coordinate of the inspection well and field information corresponding to the inspection well are added.
6. The census method of claim 4, wherein the step S123 further comprises:
s124, shooting the current inspection well according to a preset direction, and uploading the pictures and the corresponding direction of each picture to a map of a pipe network system;
s125, filling the clogging condition of the drainage pipeline corresponding to the inspection well in each position in the field information corresponding to the inspection well; the clogging condition is indicated by the percentage of the clogging amount in the volume of the corresponding drainage pipeline;
and S126, after the inspection well data are filled, clicking and storing, and converting the inspection well interface corresponding to the pipe network system into a specified color.
7. The census method of claim 6, wherein between steps S124 and S125 further comprises: and if the coordinate of the current inspection well is not in the pipe network system, clicking a 'new' button of an APP map of the pipe network system, converting the interface into a new inspection well information interface, and adding the position coordinate of the corresponding inspection well and the field information corresponding to the inspection well.
8. The census method of claim 6, wherein in step S124, the pictures at least include a perspective view of the inspection well and a picture of the pipe diameter of the drainage pipe corresponding to the inspection well;
the field information of the inspection well is matched with the picture.
9. The census method of any one of claims 1-8, wherein the step S2 further comprises:
selecting an inspection well and a drainage pipeline at a preset geographical position for test point general investigation;
and after the test point general survey is finished, starting the comprehensive general survey, and monitoring through a background in data communication with the pipe network system.
10. The utility model provides a drain pipe network census system which characterized in that includes:
the mobile terminal is used for installing a pipe network system; the mobile terminal is in data communication with the background of the maintenance part and is used for monitoring general survey of the drainage pipe network; summarizing the general survey data, updating a sample database of a pipe network system, and creating a vector diagram of the pipe network system;
the shooting device comprises a camera, a telescopic bracket and a shooting lamp, wherein the telescopic bracket is used for extending the camera into a drainage pipe network for shooting;
the waterproof shell is arranged on the shooting device, coats the shooting device and is used for preventing water;
and the charging equipment is used for providing power for the mobile terminal and the shooting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010971482.0A CN112101593A (en) | 2020-09-16 | 2020-09-16 | General investigation method and system for drainage pipe network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010971482.0A CN112101593A (en) | 2020-09-16 | 2020-09-16 | General investigation method and system for drainage pipe network |
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| Publication Number | Publication Date |
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| CN112101593A true CN112101593A (en) | 2020-12-18 |
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