JP5199702B2 - Construction confirmation device and design support system using the same - Google Patents

Description

  The present invention relates to a construction confirmation apparatus used for construction and inspection of a structure such as a plant and a design support system using the construction confirmation apparatus.

  Various plants such as a power plant and a chemical plant are provided with a large number of structures such as pressure vessels, pipes and electric wires. Conventionally, when the worker constructs the structure, when positioning a component that is a component constituting the structure, for example, a piping component (pipe part), the worker also attaches the piping component. After fixing, when taking inspection records such as measurement of installation position, etc. while checking the piping drawing (pipe isometric drawing) etc., measure the installation position of the pipe, take a check and record, and from the reference point on the structure drawing The difference from the design mounting position represented by the distance (coordinates) was checked.

  Conventionally, an RFID (Radio Frequency Identification) tag storing information for identifying the component is attached to the component of the structure, and the information stored in the RFID tag is read at the time of assembly as a structure, and there is no mistake A method for checking whether or not a component is used is known.

  Further, in Patent Document 1, a basic design and a detailed design are divided into two groups, and a CAD (Computer Aided Design) design method in which work is advanced in parallel, both basic design changes and detailed design changes are made to both. A technique is disclosed that is transmitted synchronously and prevents wrinkles associated with design changes.

Further, Patent Document 2 projects 3D images using 3D-CAD (Three Dimensions-Computer Aided Design) data for support of construction work and inspection support in various plants such as power plants and chemical plants. A technique of construction work or an inspection support apparatus that projects a structure according to an observer's viewpoint is disclosed.
JP 2005-309754 A JP 2007-228315 A

  However, a worker who temporarily assembles a component of a structure or installs and installs a component (hereinafter referred to as a construction worker) measures the mounting position of the component at the temporary assembly stage or the construction completion stage. The worker and the worker who checks and confirms the measurement value (hereinafter referred to as measurement value information) against the construction drawing are usually different. In addition, in order to leave an inspection record, the quality inspector will determine whether the error between the design drawing and the construction state is within the tolerance through the step of describing the measurement value information in the inspection record document. , It took time for communication between the workers described above until the judgment.

  It is an object of the present invention to reduce such problems, and to easily evaluate the construction results at the construction site. When trouble occurs, measurement value information on the construction site is transferred from the construction site to a design room at a distance from the construction site. An object of the present invention is to provide a construction confirmation apparatus capable of quickly transmitting a design and a design support system using the construction confirmation apparatus.

  In order to solve the above-described problem, a construction confirmation device according to a first aspect of the present invention includes a first position acquisition unit that receives radio waves from a GPS satellite, calculates its own position, and acquires it as first position information; And communicating with the RFID tag storing the second position information corresponding to the fixed predetermined position based on the predetermined reference point by radio waves. Tag information acquisition means for acquiring position information of position 2, position information conversion means for converting the first position information acquired by the first position acquisition means into measurement position information based on a reference point, second position information, It is characterized by comprising position information comparing means for comparing with measured position information, and determining means for determining and outputting whether or not the position information difference acquired by the position information comparing means is greater than or equal to a predetermined value.

According to the first invention, the position information comparison unit easily compares the second position information with the measured position information, and the determination unit outputs a determination result as to whether the position information difference is equal to or greater than a predetermined value. It is not necessary to determine whether or not the position information difference is greater than or equal to a predetermined value by checking the construction drawing and comparing it with the design position information (second position information) described therein, so that confirmation can be made quickly. Moreover, since the construction confirmation apparatus can determine and output the position information difference, for example, it can be transmitted to the remote design side via the communication network.
Further, even a worker who does not have the expertise to view the construction drawings or the expertise of the operation of the three-dimensional measuring device (for example, the total station) can accurately perform the position confirmation by measuring the three-dimensional position.

  The construction confirmation device of the second invention is fixed at a predetermined position of a structural component to be constructed at a construction site, and has second position information corresponding to the fixed predetermined position based on a predetermined reference point. Tag information acquisition means for communicating with the stored RFID tag by radio waves and acquiring second position information; and second position acquisition means for measuring the position of the RFID tag and acquiring measurement position information based on a reference point A position information comparing means for comparing the second position information with the measured position information, and a determining means for determining and outputting whether or not the position information difference acquired by the position information comparing means is equal to or greater than a predetermined value. It is characterized by.

According to the second invention, the position information comparison means easily compares the second position information with the measured position information, and the determination means outputs a determination result as to whether the position information difference is equal to or greater than a predetermined value. It is not necessary to determine whether or not the position information difference is greater than or equal to a predetermined value by checking the construction drawing and comparing it with the design position information (second position information) described therein, so that confirmation can be made quickly. Moreover, since the construction confirmation apparatus can determine and output the position information difference, for example, it can be transmitted to the remote design side via the communication network.
In addition, a worker (measurement worker) can perform confirmation while performing a three-dimensional position measurement operation using a three-dimensional measuring instrument (for example, a total station).

According to a third aspect of the present invention, there is provided a construction confirmation device for fixing second position information corresponding to a fixed predetermined position based on a predetermined reference point, which is fixed at a predetermined position of a structural component to be constructed at a construction site. It has tag information acquisition means for communicating with the stored RFID tag by radio waves to acquire the second position information, and a plurality of tag readers for communicating with the RFID tag, and the position is measured based on communication with the RFID tag by the tag reader. Position information acquired by the third position acquisition means for acquiring the measurement position information based on the predetermined reference point, position information comparison means for comparing the second position information and the measurement position information, and the position information comparison means. Determining means for determining whether or not the difference is equal to or greater than a predetermined value and outputting the result.
Further, at least two or more of the plurality of RFID tags are fixed to the components at predetermined positions separated from each other, and the position information comparing means is provided on any two of the plurality of RFID tags. Correspondingly, a first vector between the acquired measurement position information and a second vector between the second position information of the RFID tags corresponding to the two are calculated, and the first vector and the Compared with a second vector, the determination means determines whether or not the vector angle difference compared by the position information comparison means is a predetermined value or more, and outputs the result.

According to the third invention, the position information comparison unit easily compares the second position information with the measured position information, and the determination unit outputs a determination result as to whether the position information difference is equal to or greater than a predetermined value. It is not necessary to determine whether or not the position information difference is greater than or equal to a predetermined value by checking the construction drawing and comparing it with the design position information (second position information) described therein, so that confirmation can be made quickly. Moreover, since the construction confirmation apparatus can determine and output the position information difference, for example, it can be transmitted to the remote design side via the communication network.
In addition, even workers who do not have the expertise to view construction drawings or the expertise of the operation of the three-dimensional measuring instrument can perform confirmation while performing the three-dimensional position measurement work.

  A design support system according to a fourth aspect of the invention is a construction confirmation device according to any one of the first to third aspects described above, a local terminal communicating with the construction confirmation device, and a local terminal connected via a communication network. A design support system including a design terminal connected to the design terminal and a CAD database storing CAD information, wherein the RFID tag further includes a CAD related search key for searching for the CAD information The tag information acquisition means of the construction confirmation device also acquires CAD related information from the RFID tag, and the local terminal acquires at least CAD related information and measurement position information from the construction confirmation device to establish a communication network. A local information transmission means for transmitting to the design terminal via the CAD information acquisition means for acquiring the CAD information from the CAD database; Local information acquisition means for acquiring at least CAD related information and measurement position information transmitted from the construction confirmation device, and the CAD information acquisition means stores CAD information corresponding to the acquired CAD related information from the CAD database. Further, it is characterized in that, based on the acquired CAD-related information and measurement position information, the positional relationship of the constructed components is overwritten in a distinguishable manner in the acquired corresponding CAD information.

According to the fourth invention, the design terminal can acquire the CAD related information and the measurement position information from the construction confirmation device via the local terminal, and the construction state of the component is overwritten so as to be distinguishable into the CAD information. As a result, the difference between the design stage and the construction stage can be easily read.
As a result, it is possible to easily start studying countermeasures for defects in the design room.

  According to the present invention, the construction result at the construction site can be easily evaluated, and when a failure occurs, construction record information on the construction site can be quickly transmitted from the construction site to a design room that is far from the construction site. It is possible to provide a simple construction confirmation device and a design support system using the construction confirmation device.

<< First Embodiment >>
(Outline of the design support system)
Next, a design support system according to the first embodiment of the present invention will be described with reference to FIGS.
FIG. 1 is a configuration diagram of a design support system according to the first embodiment. FIG. 2 is a functional block configuration diagram of the construction confirmation apparatus.
The design support system 100A includes a construction confirmation device 5, a local terminal 8A, a wireless terminal 8C, a LAN (Local Area Network) 9, a network (communication network) 81, a LAN 82, a design terminal 91A, a CAD server 93, and the like. Yes.
The local terminal 8B and the design terminal 91B will be described in a modification of the first embodiment to be described later.

In the following, the case of a piping structure included in the plant will be described as an example of the piping parts that are the components, but the components constituting the structure are not limited to the piping parts, but tanks, pressure vessels, Various things such as a valve, a pump, a part of a frame assembled in advance, a control panel, a power panel, and the like can be considered.
As shown in FIG. 1, at the plant construction site, the temporary assembly of the piping parts (components) 3 </ b> A, which is one part of the piping structure, has been completed. A plurality of RFID tags 11 (indicated as 11A, 11B, and 11C in FIG. 1) are attached to the piping component 3A at predetermined positions. The RFID tag 11 is attached when the piping component 3A is manufactured at a factory. The IC chip 11a (see FIG. 2) has various information such as tag identification information 41 (see FIG. 2). Hereinafter, the design position information (second position information) 42, the relative design position information 43, the component drawing information (CAD related information) 44, and the manufacturing inspection record information 45 are stored at the factory shipment stage. ing.
The information itself may be stored, or the information location (for example, URL) or the information identifier may be stored.
Details of the various information described above will be described later.

The RFID tag 11 according to the present embodiment is capable of communicating with a tag R / W (tag reader / writer) within a short communication distance of, for example, several centimeters, for example, a passive type communication distance. It is.
In the present embodiment, the tag attachment position is measured by the construction confirmation device 5 as will be described later. Therefore, the shorter the communication distance with the tag R / W, the more accurate the position is.
The position where the RFID tag 11 is attached to the piping component 3A (hereinafter referred to as the tag mounting position) is such that the piping component 3A is in the vicinity of the end of the piping component 3A so that the positional relationship with the other piping component to be connected can be understood. For example, the position where the RFID tags 11A and 11C are attached in FIG. 1 and at least one more appropriate position so that the direction and the like are determined when the piping component 3A is a bent pipe instead of a straight pipe, for example, FIG. The position where the RFID tag 11B is attached.

In order to confirm whether or not the piping part 3A can be fixed to a gantry or a building (not shown) or welded to other components (not shown) connected to the piping part 3A at this temporary assembly position, 31A sees the construction drawing 22, for example, a piping isometric view, and with the construction confirmation device 5 in hand, is the position of each RFID tag 11A, 11B, 11C within a predetermined tolerance of the XYZ coordinate system based on the reference point 1? Make sure no. If it is within a predetermined tolerance, the piping part 3A is fixed, for example, welded to the pipe part to be connected. Then, the welding confirmation device 5 is again brought close to each RFID tag 11 after welding, the post-construction position is measured, and the construction inspection record information 46 (see FIG. 2) is stored in the RFID tag 11. Moreover, the construction confirmation apparatus 5 transmits the construction inspection record information 46 to the local terminal 8A via the wireless terminal 8C connected to the LAN 9 constructed at the construction site.
The local terminal 8A connected to the LAN 9 collects the construction inspection record information 46 and registers it in a construction inspection database (not shown).

The LAN 9 is connected to a LAN 82 of a plant construction company via a network 81, and a design terminal 91 </ b> A and a CAD server 93 are connected to the LAN 82.
Here, at least the design terminal 91A is a personal computer or an engineering workstation equipped with CAD software.

(Construction confirmation device)
Next, the construction confirmation apparatus will be described with reference to FIG.
As shown in FIG. 2B, the RFID tag 11 has an antenna 11b connected to the IC chip 11a. The construction confirmation device 5 shown in FIG. 2 (b) includes a communication unit (tag information acquisition means) 56, a GPS (with tag R / W that can communicate with the RFID tag 11 within a short distance, for example, within a few centimeters. Global Positioning System) A communication unit 51A that receives radio waves from the satellite 21, a communication unit 51B that communicates with the calculation center 25 to receive position correction data, and a wireless terminal 8C that is connected to the LAN 9 provided at the construction site. It is a portable terminal having a communication unit 58 that communicates with the terminal 8A.

As shown in FIG. 2B, the construction confirmation device 5 is, for example, a small portable terminal, and includes a display unit 5a for a liquid crystal screen, an input unit 5b such as a keyboard, a microcomputer (not shown), an interface circuit, A storage device such as a ROM, a RAM, a memory such as a flash memory, and a small hard disk. Then, by executing a construction confirmation program, which is an application program for a portable terminal stored in advance in the storage device, with a microcomputer, the positioning control unit 52, the positioning calculation unit 53, the reference position shown in FIG. Various functions, such as the information acquisition part 54, the measurement position conversion part (position information conversion means) 55, the measurement position information processing control part 57, are implement | achieved.
Here, the communication units 51 </ b> A and 51 </ b> B, the positioning control unit 52, and the positioning calculation unit 53 constitute a first position acquisition unit according to claims 1 and 2.

(Positioning control unit and positioning calculation unit)
The positioning control unit 52 receives the operation input of the worker 31A from the input unit 5b, causes the communication unit 51A to receive the radio wave from the GPS satellite 21, and in the positioning calculation unit 53, the positioning information of latitude, longitude, and altitude. (First position information) is calculated. At this time, the positioning control unit 52 causes the communication unit 51B to receive position correction data at the virtual reference point provided at the reference point 1, for example, from the calculation center 25, and obtains the above-described positioning information of latitude, longitude, and altitude. The positioning calculation unit 53 performs calculation with high accuracy.

  There is an error of several meters in the accuracy of positioning performed by detecting the time difference between the code patterns on the carrier wave by the GPS of the US Department of Defense currently in operation and open to the public. Here, it is assumed that positioning information is calculated and acquired using an interference positioning method that directly detects the phase difference of the carrier wave itself. Currently, a double phase difference method has been developed in which radio waves from two satellites are received at two receiving points and an error is canceled by a combination of phase differences, and positioning can be performed with high accuracy.

And, for example, in Japan, positioning information is obtained with an accuracy of several millimeters by the interferometric positioning method at the electronic reference station, which is a continuous observation point of GPS radio waves installed and operated by the Geospatial Information Authority of Japan. Observation data of these electronic reference points close to the construction site is acquired by the calculation center 25, and the position correction data using the reference point 1 provided on the construction site from the calculation center 25 as a virtual reference point (VRS). Is transmitted to the construction confirmation device 5. The construction confirmation device 5 receives the position correction data, and the positioning calculation unit 53 calculates and acquires the above-described positioning information by the RTK (Real-Time Kinematic) method. Such a positioning method is commonly referred to as a VRS-GPS method, and is characterized in that accurate positioning can be performed with one GPS positioning device (here, the construction confirmation device 5 includes a GPS positioning device). This is a popular technique.
In Japan, the calculation center 25 is called a VRS center, and the VRS center and the GPS positioning device are usually connected by a mobile phone. The communication unit 51B described above is, for example, a mobile phone. Have the ability.

(Reference position information acquisition unit)
In response to the operator operating the input unit 5b, the reference position information acquisition unit 54 acquires the positioning information of the reference point 1 in the positioning control unit 52 and the positioning calculation unit 53 as described above. It has a function of temporarily storing the reference point positioning information in the built-in storage device and a function of storing the reference orientation 2 input by the input unit 5b in the storage device.

Here, the reference point 1 is determined at the construction site as, for example, the origin of the X coordinate, the Y coordinate, and the Z coordinate. In the design drawing, this reference point 1 is used as the origin of the position coordinates for installing each plant structure. Reference point 1 is entered.
A predetermined direction from the reference point is defined as a reference azimuth 2 in order to determine the directions of the X and Y coordinate axes. As the name of the reference azimuth 2, for example, it may be referred to as “plant north N”. The plant north N direction is a Y coordinate axis (plus side), and the direction perpendicular to the Y coordinate axis in the horizontal plane including the Y direction is a right direction. Determined as the X coordinate axis (plus side). The vertical direction from the reference point 1 is defined as the Z coordinate axis (plus side).

  By the way, the plant north N is generally different from the “north” indicated by the compass, and the direction indicated by the shape of the site where the plant is constructed, for example, the direction indicated by the long side or short side of a rectangular site Of these, the direction close to “north” on geomagnetism is often defined as plant north N. This is because when the workers call each other in the direction of the plant, there is no mistake and it can be simplified.

(Measurement position conversion unit)
And the measurement position conversion part 55 calculates the positioning information of the position where the RFID tag 11 to be measured, which is calculated and acquired by the positioning calculation part 53, is used by using the temporarily stored reference point positioning information and reference direction. , Converted into the XYZ coordinate system described above, and output to the measurement position information processing control unit 57 as measurement position information.
The conversion from the latitude, longitude, altitude coordinate system to the XYZ coordinate system is naturally converted in consideration of the change in the length along the latitude line direction according to the positioning information. Conversion table data or the like can be stored in a built-in storage device and converted easily.

(Measurement position information processing control unit)
The measurement position information processing control unit 57 includes a position information comparison unit (position information comparison unit) 57a, a determination unit (determination unit) 57b, and an inspection record registration unit 57c. Compared with the design position information 42 included in various information stored in the tag 11, it is determined whether or not the error (position information difference) is a predetermined value or more, and an output corresponding to the determination result is displayed on the display unit. Or display the measurement position information as construction inspection record information 46 in the RFID tag 11 via the communication unit 56.
The detailed function description of the measurement position information processing control unit 57 will be described in the flowcharts of FIGS. 4 and 5 to be described later.

(RFID tag information)
Next, RFID tag information written to the RFID tag will be described with reference to FIG. 3 and with reference to FIGS. 1 and 2 as appropriate.
FIG. 3 is a diagram for explaining the process according to the present invention in the flow from the design of the plant to the local construction, and the flow of writing information to the RFID tag in the factory and the construction site.
In the figure, white arrows indicate the flow of processes from design to on-site construction, and solid arrows indicate the flow of writing information to the RFID tag. A broken-line arrow indicates a correspondence relationship between work in a process from design to on-site construction and a step of writing information to the RFID tag.

First, in step S01, the plant design engineer performs CAD design using the design terminal 91A (see FIG. 1) and the CAD server 93 (see FIG. 1). For example, when a piping structure is included in the plant, the tag attachment position is set and the tag ID is set in the piping production drawing (spool diagram).
Here, “setting the tag attachment position” includes the following two operations. (1) First, XYZ based on a predetermined reference point 1 (see FIG. 1) and reference orientation 2 (see FIG. 1) that are to be provided at the construction site with respect to the tag mounting position of the piping component 3A (see FIG. 1). Calculated as the position coordinate of the coordinate system. (2) Next, the obtained position coordinates in the XYZ coordinate system are used as design position information (second position information) 42 (see FIG. 2) and related to the tag attachment position displayed in the spool diagram, and the spool diagram. Is registered in the CAD database 93a (see FIG. 1) of the CAD server 93 as part of the accompanying information.

At this time, the position of the tag attachment position of the RFID tag 11 in the piping component 3A is also calculated and obtained, and the relative design position information 43 (see FIG. 2) is related to the tag attachment position displayed in the spool diagram. Thus, it is registered in the CAD database 93a as a part of the accompanying information of the spool diagram. The relative design position information 43 is based on the component reference point that can be visually discriminated provided on the piping part 3A, and the tag attachment position of the RFID tag 11 is the origin of the XYX coordinate system. The coordinates displayed in the X ₁ Y ₁ Z ₁ coordinate system translated in parallel, the coordinates displayed in the xyz coordinate system unique to the spool diagram with the component reference point as the origin, and the identification code (not shown) of the component reference point Including. Normally, the component reference point is displayed on the piping part 3A so as to be visible by a method such as engraving.

  “Set tag ID” means that the RFID tag 11 (see FIG. 2) has identification information indicating a series of serial numbers and the like recorded in the IC chip 11a (see FIG. 2) when it is manufactured. Usually, however, a tag ID 41 for identifying the RFID tag 11 is registered in the CAD database 93a at the CAD design stage. For example, for identifying the RFID tag 11 in relation to a plant ID for identifying a plant, a system ID for identifying a structure formed by a component, a device ID, a component ID for identifying a component, or the like. The tag ID 41 (see FIG. 2) is associated with the tag attachment position displayed in the spool diagram and registered in the CAD database 93a as a part of the accompanying information of the spool diagram.

When the CAD design is completed, in step S02, for example, in a department that manufactures the piping component 3A, a piping production drawing (spool diagram) is drawn from the CAD database 93a using a CAD terminal for manufacturing department (not shown) arranged there. Data is read and displayed on a display unit (not shown) (hereinafter, “reading and displaying data” is simply referred to as “calling”), and pipe production is started in step S03.
The person in charge of material arrangement in the piping manufacturing department calls the piping production drawing (spool diagram) from the CAD database 93a and reads the spool diagram data (step S11).
Here, the read spool diagram data includes those included in the accompanying information described above, and (a) tag identification information 41 (tag ID) and (b) design position information described in the balloon of FIG. 42 (position information with respect to the reference point of the construction site), (c) relative design position information 43 (relative position information in the piping parts), (d) component drawing information 44 (spool No. (component ID), etc.) is there.

Incidentally, the CAD information described in the claims is the CAD design drawing information (hereinafter simply referred to as CAD drawing information) stored in the CAD database 93a. It includes various data such as CAD drawings and dimension data, coordinate data, materials, etc. displayed on the drawings. Each CAD drawing information is provided with an identification code, and is associated with, for example, the above-mentioned plant ID, system ID, component ID (including piping part ID, etc.) included in the CAD drawing information. And stored in the CAD database 93a. The component drawing information (CAD related information) 44 is a search key that makes it possible to easily search the CAD drawing related to the component ID from the CAD database 93a. Is an identification number assigned to a piping component when the component is a piping component, and is a type of component ID. By storing the component ID as the component drawing information 44 in the RFID tag 11 in this way, the CAD drawing can be easily extracted from the CAD database 93a when the design position information 42 is confirmed on the CAD drawing.
Hereinafter, in the description of FIG. 3, when describing the type of the information, etc., only the item codes (a), (b), (c), (d), and (e) to be described later are omitted. It is.
The information of items (a), (b), (c), and (d) is collectively referred to as “RFID tag information” recited in the claims.

The person in charge of material arrangement registers the data of items (a), (b), (c), and (d) in the procured RFID tag 11, that is, writes the data in the IC chip 11a (see FIG. 2) (step S12). ). The RFID tag 11 in which the data is written is printed with a plant ID, a system ID, a component ID, a tag ID, etc. identifiable on the surface and supplied to the piping production site.
The worker of the piping manufacture confirms the corresponding spool diagram of the component drawing information 44, and based on the relative position information of the xyz coordinate system specific to the spool diagram included in the relative design position information 43, the predetermined piping component 3A A predetermined tag attachment position corresponding to the predetermined RFID tag 11 is measured, and the RFID tag 11 is attached thereto.

After the RFID tag 11 is attached, the inspector measures the tag attachment position based on the xyz coordinate system, and the information “(e) manufacturing inspection record information 45” is displayed in the balloon in step S03. The CAD data is registered in the CAD database 93a using the manufacturing department CAD terminal. At this time, the CAD terminal for the manufacturing department automatically converts the relative position information in the xyz coordinate system unique to the spool diagram into the relative position information in the X ₁ Y ₁ Z ₁ coordinate system, which is also the item (e). The manufacturing inspection record information 45 is registered in the CAD database 93a.
Thereafter, the inspector uses the tag R / W connected to the CAD terminal for the manufacturing department to input the relative position information displayed in the xyz coordinate system and the X ₁ Y ₁ Z ₁ coordinate system to the RFID tag 11 as an item. The manufacturing inspection record information 45 of (e) is registered (step S13).

The manufactured piping component 3A is shipped and carried to the construction site. In step S04 “Local construction 1) Temporary assembly”, the worker looks at the construction drawing 22 (see FIG. 1), for example, the piping isometric view, The pipe part 3A is temporarily assembled and attached before the main welding, and the position is confirmed.
In addition, according to the construction drawing 22, a single piece of the piping component 3A is combined on the ground (this operation is referred to as “ground assembly”) and welded, etc., and the assembled plurality of piping components 3A are lifted up using a crane or the like to obtain a piping structure. Often assembled as a thing. In such a case, a work mistake such as a shift in the mounting direction of the elbow or the like is likely to occur due to a mistake in groundwork.
Therefore, at the time of provisional assembly, the above-described items (a), (b), (d) are confirmed, and the tag attachment position of the RFID tag 11 described in the construction drawing 22 is determined by the construction confirmation device 5 (see FIG. 2). Measure with

In step S05 “on-site construction 2) construction completion”, the worker performs main welding of the piping part 3A or flange connection to the pipe part of the connection destination, and the installation position of the piping part 3A is determined after the construction is completed. Check. At this time, the items (a), (b), and (d) described above are confirmed, and the tag attachment position of the RFID tag 11 described in the construction drawing 22 is measured by the construction confirmation device 5, and step S05 in FIG. The “(f) registration of construction inspection record information 46” is displayed using the construction confirmation device 5. At this time, the inspector also registers the construction inspection record information 46 in the RFID tag 11 using the construction confirmation device 5 (step S14).
The contents of construction inspection record information will be described later.

(Construction confirmation method in construction terminal equipment)
Next, the flow of the work of confirming the construction by measuring the RFID tag mounting position using the construction confirmation device 5 will be described with reference to FIGS. 4 and 5 and with reference to FIGS.
4 and 5 are flow charts showing the flow of work for confirming the construction by measuring the RFID tag mounting position using the construction confirmation device.
Here, the construction confirmation apparatus 5 (see FIG. 2) has already been activated, and the construction confirmation program has been launched. In the description from FIG. 1 to FIG. 3, the piping part 3 </ b> A (see FIG. 2) is handled as an example of the component. However, in the description of the flowchart, the term “component”, which is a generalized name, is used. .
The worker 31A operates the construction confirmation device 5 to acquire the reference point positioning information at the reference point 1 in advance, and inputs the reference orientation 2 by operating the input unit 5b. The reference point positioning information and the reference point The direction 2 is memorized.
In step S21, in response to the communication unit 56 (see FIG. 2) of the construction confirmation device 5 being brought close to the RFID tag built in the ID card (not shown) carried by the worker 31A (see FIG. 1), The measurement position information processing control unit 57 (see FIG. 2) acquires the worker ID from the RFID tag of the ID card. Next, the communication unit 56 of the construction confirmation device 5 is brought close to one RFID tag 11 of the RFID tag 11 (see FIG. 2) attached to the component, and RFID tag information is acquired and temporarily stored (step S22).

  In step S23, the measurement position information processing control unit 57 searches the component drawing information 44 in the RFID tag information acquired in step S22, and a spool that is one of the component IDs, for example, the component IDs. No. Is displayed on the display unit 5a (see FIG. 2), and the worker 31A is confirmed whether it is correct (Yes) or incorrect (No). If the input that is correct is received via the input unit 5b (Yes), the process proceeds to step S24, and if the input that is incorrect (No) is received, this series of steps as shown by reference numeral (1). Cancel processing. A description of the subsequent correction work in the case of an error is omitted.

In step S24, in response to an operation by the input unit 5b (see FIG. 2) of the worker 31A, the measurement position information processing control unit 57 outputs a measurement position information acquisition command to the positioning control unit 52, and the positioning control unit 52 (see FIG. 2) acquires the positioning information by the above-described VRS-GPS method (acquires GPS position information), and outputs the acquired positioning information to the measurement position conversion unit 55.
In step S25, under the control of the measurement position information processing control unit 57, the measurement position conversion unit 55 converts the positioning information acquired in step S24 into measurement position information based on the reference point positioning information stored in advance. And output to the measurement position information processing control unit 57.

In step S26, the measurement position information processing control unit 57 temporarily stores the measurement position information and the design position information 42 obtained in step S25 in association with the tag ID.
The design position information 42 is included in the RFID tag information acquired in step S22.
In step S27, the measurement position information processing control unit 57 outputs a message to the display unit 5a to determine whether there is a remaining RFID tag attached to the same component (Yes) or not (No). Let 31A check. If an input “Yes” is received via the input unit 5b, the process returns to step S22. If an input “No” is received, the process proceeds to step S28.

In step S28, the measurement position information processing control unit 57 calculates the difference (position information difference) between the design position information 42 (see FIG. 2) of each RFID tag 11 and the measurement position information in the position information comparison unit 57a (see FIG. 2). Let it be calculated. Then, the obtained position information differences are temporarily stored in association with the tag ID.
Specifically, a set of measurement position information and design position information 42 (both expressed in the XYZ coordinate system) associated with the tag ID temporarily stored in step S26 is searched, and the design position is determined from the measurement position information. The difference obtained by subtracting the information is the position information difference.

  In step S29, the measurement position information processing control unit 57 uses the position information comparison unit 57a between the two design position information 42 corresponding to the first vector between any two pieces of measurement position information of each RFID tag 11. A vector angle difference with the second vector is calculated. Then, the obtained vector angle differences are temporarily stored in association with the two tag IDs.

  Specifically, any two sets are searched from the set of measurement position information and design position information 42 corresponding to the tag ID temporarily stored in step S26, and the difference between the measurement position information is obtained. Let the first vector be the first vector. Here, the starting point of the first vector is, for example, the one whose measurement position information is closer to the reference point 1. Further, the difference between the two sets of design position information 42 is taken as a second vector. The starting point of the second vector is the tag ID starting from the first vector. Then, a vector angle difference between the first vector and the second vector is calculated.

In step S30, the measurement position information processing control unit 57 checks in the determination unit 57b (see FIG. 2) whether or not the position information difference is greater than or equal to a threshold value.
If it is equal to or greater than the threshold (Yes), the process proceeds to step S31, a flag is set for the position information difference, and the process proceeds to step S32. If it is less than the threshold (No), the process proceeds to step S32.
Here, the threshold value is determined in advance and is set as data in the above-described construction confirmation program, and is, for example, a value on the order of several centimeters to several tens of centimeters. In the piping construction of a plant, when the piping is long, such a difference is generated as an assembly error, and such a difference can be absorbed by adjusting the length of the piping parts used during the construction.

In step S32, the measurement position information processing control unit 57 checks in the determination unit 57b whether the vector angle difference is greater than or equal to a threshold value.
If it is equal to or greater than the threshold (Yes), the process proceeds to step S33, a flag is set for the vector angle difference, and the process proceeds to step S34 as indicated by reference numeral (2). If it is less than the threshold (No), the process proceeds to step S34.
Here, the threshold value is determined in advance and is set as data in the above-described construction confirmation program, and is, for example, a value on the order of several degrees. In the piping construction of a plant, when the piping is long, such a difference is generated as an assembly error, and such a difference can be absorbed by adjusting the angle of the piping parts used during the construction or bending.

Each threshold value used in steps S30 and S32 is written as RFID tag information of the RFID tag 11 before attaching the RFID tag 11 to a component, and in step S22, the construction confirmation apparatus 5 stores the RFID tag information. Each time it is read, each threshold included in the read may be used.
That way, the length and mounting direction of components, for example, piping components, can be adjusted to allow for the accumulation of upstream tolerances downstream of the construction flow and to adjust the tolerance accumulation for specific components. If it is designed to be adjustable at the construction site, the threshold value can be flexibly set for each component.

  In step S34, the measurement position information processing control unit 57 checks whether or not there is a flagged position information difference or vector angle difference. If there is a flagged position information difference or vector angle difference (Yes), the process proceeds to step S35, and if not (No), the process proceeds to step S38.

In step S35, the measurement position information processing control unit 57 displays the corresponding position information difference or vector angle difference flagged on the display unit 5a, and also displays the related information. Here, the related information includes a corresponding tag ID, measurement position information, design position information 42, and manufacturing inspection record information 45.
In this case, the worker 31A shows the display result to the work supervisor, discusses the correspondence, and examines whether it is a temporary assembly failure or a design failure.
The worker 31A and a work supervisor (not shown) see the measurement position information, the design position information 42, the manufacturing inspection record information 45 displayed on the display unit 5a of the construction confirmation apparatus 5, and the construction drawing 22 such as a piping isometric view. However, it is possible to easily determine whether the temporary assembly is defective, the influence of the tolerance of the tag mounting position, or the design failure.
In this display state, the measurement position information processing control unit 57 displays an icon button of “Report to Design Department (Communication) Yes / No” on the display unit 5a.

In step S36, the measurement position information processing control unit 57 checks whether or not the operator 31A has operated the report (communication) icon button to the design department (report to the design department?) Via the input unit 5b. In the case of reporting to the design department (Yes), the measurement position information processing control unit 57 causes the communication unit 58 to communicate with the local terminal 8A (see FIG. 2) via the wireless terminal 8C (see FIG. 2). Is attached to the local terminal 8A (step S37), and the trouble information (tag ID related to the RFID tag 11 of the component, measurement position information, component drawing information 44, etc.) is transmitted to the local terminal 8A.
When not reporting to the design department in step S36 (No), for example, in the case of a temporary assembly failure or in the case of the influence of the tolerance of the tag mounting position, the process proceeds to step S38 as it is.

  In step S38, the measurement position information processing control unit 57 checks whether or not the measurement position information corresponding to each ID tag temporarily stored in step S26 as the construction inspection record is registered as the construction inspection record information 46. Here, since it is a temporary assembly stage, it is not registered (No). When registering (Yes), in step S39, the measurement position information processing control unit 57 transmits the measurement position information corresponding to each ID tag as construction inspection record information 46 to the local terminal 8A via the wireless terminal 8C. A series of processing ends.

In addition, the measurement position information processing control unit 57 not only transmits to the local terminal 8A as the construction inspection record information 46 in step S39, but also determines whether or not to register as the construction inspection record information 46 after the process of step S26. When the operator 31A is inquired on the display unit 5a and receives an instruction to register via the input unit 5b, the measurement position information may be registered in the RFID tag 11 as construction inspection record information 46. .
Here, in particular, step S22 of the flowchart is the tag information acquisition means according to claims 1 and 2, step S25 is the position information conversion means according to claims 1 and 2, and steps S28 and S29 are charges. The position information comparison means according to claim 1, claim 2 and claim 7, and steps S30 to S35 constitute the determination means according to claim 1, claim 2 and claim 7.

(Failure examination method for design terminals)
Next, the failure examination method in the design terminal 91 </ b> A when the failure information is received from the construction confirmation device 5 will be described with reference to FIG. 6 as appropriate with reference to FIGS. 1, 2, and 5.
FIG. 6 is a flowchart showing a flow of generating a failure information drawing when the design terminal receives failure information.
As shown in FIG. 1, it is assumed that the local terminal 8A is on standby so that the failure information from the construction confirmation apparatus 5 can be received at any time via the wireless terminal 8C.
The design terminal 91A has a CAD terminal function.

In step S41, the local terminal 8A checks whether or not a failure examination command has been received from the construction confirmation apparatus 5 in step S37 of the flowchart shown in FIG.
If a failure review command has been received (Yes), the process proceeds to step S42, and if not received (No), step S41 is repeated.

  In step S42, the local terminal 8A receives the defect information transmitted in step S37 of the flowchart shown in FIG. 5, and transmits a mail to the design terminal 91A with the defect information attached. At this time, the defect information is automatically encrypted and transmitted with a preset password. The defect information includes a tag ID, measurement position information, and component drawing information (CAD related information) 44 (see FIG. 2).

  In step S43, the design terminal 91A receives the mail. When the design terminal 91A receives the mail with the defect information attached, the design terminal 91A displays an alarm and notifies the engineer 33 (see FIG. 1) in charge of the plant under construction that the defect information has been received. When the engineer 33 opens the mail, the design terminal 91A automatically decompresses the defect information using a preset password (step S44), and the component ID (spool number, etc.) included in the component drawing information 44 is displayed. ) To search and display the original CAD drawing (CAD information) (step S45).

Then, when the engineer 33 operates the design terminal 91A to perform the operation of taking in the measurement position information based on the tag ID included in the defect information, the design terminal 91A displays the corresponding RFID in the CAD drawing. The design position information of the tag attachment position is replaced with measurement position information (step S46).
In response to the engineer 33 inputting an operation to move the figure, the design terminal 91A moves and displays the component in accordance with the measurement position information, and another file (defect) according to the operation input by the engineer 33. An information drawing is created (step S47).

Incidentally, it is assumed that before the engineer 33 inputs a graphic movement command, the area of the component is regarded as a unit and the block processing for coordinate management is completed.
Therefore, even if it is not necessary to take in all the measurement position information of all the RFID tags 11 included in the component, if it is a straight pipe part 3A, it takes two points of measurement position information, and if it is a bent pipe part 3A, at least By taking in the measurement position information of three points, it is possible to move the figure exactly as intended.

In response to the engineer 33 taking in the original CAD drawing, the process proceeds to step S48, where the defect information drawing is superimposed and displayed on the original CAD drawing. At the time of this overlay display, the design terminal 91A automatically displays the color of the region of the component in the original CAD drawing and the color of the region of the component in the defect information drawing so as to be different from each other. The position of the component in the CAD drawing and the position of the component moved based on the defect information are displayed in a distinguishable manner.
Incidentally, instead of changing the color of the region of the component as described above, the color of the outline of the region of the component may be changed.

  Incidentally, step S42 in the flowchart constitutes the local information transmitting means described in claim 8, steps S43 and S44 constitute the local information acquisition means, and step S45 constitutes the CAD information acquisition means.

  For example, the water supply pipe 123 between the water heaters 121A and 121B at the construction site of a thermal power plant as shown in FIG. 7 is composed of a plurality of pipe parts (in the figure, pipe parts in which straight pipes and elbows are welded in advance in the factory). An example is shown in the case where the ID is composed of SP01, SP02, SP03, SP04 and spool No.). FIG. 7 is a piping isometric view. In FIG. 7, for the sake of simplification, the welding location (indicated by reference characters W01 to W13) and the spool No. Only the coordinate data of the XYZ coordinate system indicating the attachment positions of SP01 to SP04 and the RFID tag 11 (indicated by 11A to 11N in FIG. 7) is displayed. Actually, the material, diameter, thickness, length, applicable standard, length from the pipe end to the corner of the elbow, the value of the slope of the straight pipe section, etc. are described. This is omitted here.

  In the piping isometric view shown in FIG. 7, the attachment location of the RFID tag 11 is marked, and the design position information 42 (see FIG. 2) based on the XYZ coordinate system having the reference point 1 (see FIG. 1) as the origin is indicated there. For example, each is described in a balloon display. Although only the RFID tag 11B is illustrated in FIG. 7 for the sake of complexity, actually, the design position information 42 is described in a balloon display for all the RFID tags 11A to 11N.

When the piping corresponding to the piping isometric view shown in FIG. 7 is shown in solid display of three-dimensional CAD, FIG. 8 is obtained. Here, the RFID tag 11 has a spool No. SP01-SP04 (refer to FIG. 7) pipe end vicinity (RFID tags 11A, 11C, 11D, 11G, 11H, 11K, 11L, and 11N), elbow bent portion inside (RFID tags 11B and 11E) , 11I, and 11M) and a specific position (RFID tag 11F is applicable).
In particular, by attaching the RFID tags 11B, 11E, 11I, and 11M inside the bent portion of the elbow, the design position information 42 corresponding to the coordinates of the elbow corners in the piping isometric view is designated.

  However, while the piping isometric view is represented by the coordinate position represented by the center line of the pipe, the design position information 42 can be attached to the RFID tag 11 on the surface of the pipe. Naturally, the center position of the tube is deviated depending on the mounting position in the outer circumferential direction. In addition, for the elbow, the piping isometric view shows the position of the corner of the center line of the pipe assuming a right angle bend, but the design position information 42 is created further considering that the bent portion of the elbow is not right angle. ing.

  By the way, for example, in the construction of a thermal power plant, the ordering company is usually different between the design / construction of the building and the design / installation of the power generation equipment. The exchange is usually done through an ordering company. In such a case, it is actually in the construction stage, and after the construction of the building is completed, during installation work of equipment and piping of the power generation equipment, interference with the pillars of the building or utility electric cables attached to the building Interferences with the routing of trays, air conditioning ducts, etc., the occurrence of defects such as the location of the wall and floor piping penetration requested by the building side, the position of the reinforced support foundation, etc. are different from the design drawing In some cases, it may not be possible to route the piping as originally designed.

For example, the spool No. shown in FIG. When the pipe part 3A of SP04 is temporarily assembled in an attempt to connect to the outlet nozzle 121b of the feed water superheater 121B, the pipe part 3A may be attached only in the direction of the pipe part 3A ′ indicated by the phantom line due to a defect with the building side. Suppose that it turns out.
In the present embodiment, at the stage of provisional assembly at the position indicated by the phantom line (pipe part 3A ′), the attachment positions of the RFID tags 11L, 11M, and 11N are measured by the construction confirmation device 5 as shown in FIG. The defect information including the measurement position information is transmitted to the design terminal 91A via the wireless terminal 8C, the local terminal 8A, and the network 81. Then, the engineer 33 performs an operation of importing the measurement position information included in the defect information into the displayed CAD drawing, and according to steps S46 to S48 of the flowchart described above, the spool No. The piping component 3A indicated by SP04 is swiveled and displayed at the position (piping component 3A ′) indicated by the phantom line in FIG. 8 on the CAD drawing. As a result, it can be seen that the tube end on the side where the RFID tag 11L is attached is greatly deviated from the original CAD drawing. It is assumed that it is necessary to review the piping route including piping parts SP01 to SP03 (see FIG. 7).

As this measure,
(1) Spool No. The piping of the entire water supply pipe 123 composed of the piping parts of SP01 to SP04 is reviewed, stress and the like are evaluated again, and the entire water supply pipe 123 or a part of the pipe parts is manufactured again and shipped.
(2) If spool no. If the piping parts SP01 to SP03 are not shipped from the pipe manufacturing factory, the position of the newly obtained piping part 3A is premised on the interference check and the spool No. The stress of the entire water supply pipe 123 composed of the pipe parts SP01 to SP04 is evaluated again. The piping parts of SP01 to SP03 are corrected and manufactured and shipped.
(3) Spool No. Assuming the arrangement (pipe part 3A ′) indicated by the phantom line of SP04, an interference check and evaluation of the stress of the entire water supply pipe 123, etc. are performed so as to make the route of other pipe parts as normal as possible. Remanufactured and modified parts of piping parts are shipped.
Such measures can be considered.

  As described above, according to the present embodiment, the installation position and the installation position of the components constituting the plant structure are shown in FIG. 1 by the worker 31A who does not have specialized technology such as the use of a three-dimensional measuring instrument. However, measurement can be easily performed by using the construction confirmation device 5. In addition, the positioning information acquired using the GPS satellite 21 is automatically converted into measurement position information of the XYZ coordinate system based on the reference point 1 and the reference direction 2 and displayed, and the RFID tag 11 (11A in FIG. 1) is displayed. , 11B, 11C) and the design position information 42 (refer to FIG. 2) stored in the table), and quickly confirm whether the error (position information difference, vector angle difference) is equal to or greater than a threshold value on the spot. be able to.

In addition, when the component is a piping part and the same elbow is attached to both ends and it is attached with a slight gradient, if the attachment direction is inadvertently inadvertently assembled, the tag attachment position is measured. There is a large discrepancy between the information and the design position information 42 stored in the RFID tag 11, and a warning is displayed on the display unit 5a by steps S30 to S35 of the flowchart, and a part of the piping is constructed with a reverse gradient. Can be easily prevented.
Construction where such a gradient is not as designed will ruin the pipe design so that the liquid in the series of pipes can be completely drained by drain pipes arranged in a few places. Therefore, it is necessary to reattach the piping parts or add a drain pipe.

Furthermore, if the components remain as they are, the installation and installation cannot be performed according to the design position information 42 within the allowable tolerance, and the current installation position and installation position are mistaken via the local terminal 8A disposed on the construction site side. Failure information including measurement position information for CAD drawings can be accurately and promptly sent to a design department in charge of a remote plant under construction without human error such as input. In this case, the CAD software may not be installed in the local terminal 8A, and the measurement position information for the CAD drawing is included even if the person who is used to operating the CAD software is not located at the construction site. Defect information can be sent.
In the design department, when defect information sent from a remote construction site is acquired, the tag ID, component drawing information 44, and measurement position information that are input to the CAD software can be easily obtained. Accurately understand the status of defects in construction.
As a result, it is possible to reduce the time for confirming the position of the component in the event of a malfunction by a local worker or work supervisor, and to contact the design department of the measurement position information, and to prevent human errors at the time of posting or inputting.

In the present embodiment, the position correction data from the calculation center 25 is received at the stage of positioning using the GPS radio wave by the construction confirmation device 5, but the present invention is not limited to this. For example, position correction data is calculated based on the result of positioning by the double phase difference method at at least two points with a predetermined distance across the construction site, and the position correction data is communicated to the construction confirmation device 5. Accordingly, the present invention can be implemented in a country or region where the electronic reference point and the calculation center 25 are not provided.
Although the communication distance of the passive type RFID tag 11 varies greatly depending on the installation conditions, antenna structure, and the like, in this embodiment, the measurement accuracy of the tag mounting position is improved by communication at a short distance of several centimeters. No special RFID tag is required.

<< Modification of First Embodiment >>
Next, a modification of the design support system 100A of the present embodiment will be described with reference to FIGS. 1 and 9 and with reference to FIGS. 7 and 8 as appropriate. In this modification, as shown by a broken line frame in FIG. 1, a local terminal 8B having a TV conference function and a CAD function is connected to the LAN 9. A design terminal 91B having a TV conference function and a CAD function is also connected to the LAN 82 of the design department.
(TV conference equipment)
The local terminal 8B and the design terminal 91B include a display unit 101 having a speaker 101a (see FIG. 9), a camera 102, a microphone 103, a TV conference remote controller 105, and an input unit 107 (see FIG. 9). Video conferencing software is installed so that you can do it.

  FIG. 9 is a block diagram of a local terminal and a design terminal for video conference. The local terminal 8B for video conference is obtained by mounting CAD software or video conference software on a normal personal computer or engineering workstation, and a CAD unit 111, a CAD information sharing unit 110, which are functions realized by the CAD software, A TV conference control unit (second conference unit: 118), (first conference unit: 138), and a communication unit 117, which are functions realized by the TV conference software, are provided. The design terminal 91B for video conference also has the same configuration as that of the local terminal 8B, but has the same configuration. Therefore, redundant description will be omitted below, and the corresponding code in () will be described as necessary.

  As shown in FIG. 9, the CAD information sharing unit (second CAD information sharing unit: 110) and (first CAD information sharing unit: 130) include a design data storage unit 112 (132) for storing design data, When a predetermined event occurs, the data control unit 113 (133) that updates, adds, and deletes design data in the design data storage unit 112 (132), and changes from the original data in the design data storage unit 112 (132) A difference data extraction unit 114 (134) that extracts difference data consisting of differences from subsequent data, and a difference data storage unit 115 (135) that accumulates and manages the difference data extracted by the difference data extraction unit 114 (134). ), A synchronization control unit 116 (136) that performs synchronization processing based on the difference data stored in the difference data storage unit 115 (135), and a LAN 9 (8 ), A communication unit 117 for controlling communications over the network 81 and (137), the.

  Here, the design data storage unit 112 (132) and the difference data storage unit 115 (135) are configured by a nonvolatile recording device such as a hard disk or a magneto-optical disk. In addition, the data control unit 113 (133), the difference data extraction unit 114 (134), and the synchronization control unit 116 (136) are stored in a memory of an arithmetic processing unit including a memory and a CPU (central processing unit). The functions are realized by loading and executing programs for realizing the functions of these units.

  For example, when a failure occurs in the piping component 3A (see FIG. 1) as described above and failure information is sent from the local terminal 8A (see FIG. 1) to the design terminal 91A (see FIG. 1), the engineer 33 (FIG. 1). 3D CAD drawing and piping isometric view at the time of original design of the target water supply pipe 123 (see FIG. 7) is called from the CAD database 93a (see FIG. 1) to the design terminal 91A and included in the defect information. A failure information drawing reflecting the current mounting position of the piping component 3A is created based on the tag ID and measurement position information, and is stored in the CAD database 93a.

The engineer 33 then sets up a TV conference between the construction site and the design department.
The TV conference is performed by operating the local terminal 8B (see FIG. 1) on the construction site side and the design terminal 91B (see FIG. 1) on the design side.
Then, as shown in FIG. 9, the TV conference attendee on the design department side operates the input unit 107 of the design terminal 91 </ b> B, and in the CAD unit 131, the defect information drawing and the related original information from the CAD server 93. When CAD drawings (hereinafter referred to as initial design data d0) are called up, and a command for operating the input unit 107 to store them in the design data storage unit 132 in the CAD unit 131, the CAD data is input. The initial design data input event is notified from the unit 131 to the data control unit 133. In response to the initial design data input event, the data control unit 133 performs a process of writing the initial design data d0 into the design data storage unit 132.

Next, the difference data extraction unit 134 receives the writing process of the design data storage unit 132 and extracts difference data from the original data and the changed data of the design data storage unit 132. In this case, the initial design All of the data d0 is written to the difference data storage unit 135. As a result, the initial design data d0 newly written in the design data storage unit 132 is extracted as difference data (hereinafter referred to as difference data Δd ₁ ) and written in the difference data storage unit 135. Subsequently, the synchronization control unit 136 receives the writing to the difference data storage unit 135 and outputs the difference data Δd ₁ to the communication unit 137 to notify the local terminal 8B installed at the construction site. Thereby, the difference data Δd ₁ , that is, the initial design data d0 is transmitted to the local terminal 8B via the network 81.

When the communication unit 117 of the local terminal 8B receives the network 81 (that is, the initial design data d0), it outputs it to the synchronization control unit 116. The synchronization control unit 116 causes the design data storage unit 112 to store the difference data Δd ₁ input from the communication unit 117. As a result, the CAD drawings necessary for the TV conference including the defect information drawing called from the CAD server 93 on the design terminal 91B side are stored in the design data storage unit 112.
The communication unit 117 notifies the CAD unit 111 that the difference data Δd ₁ has been received via the data control unit 113. The TV conference attendee in front of the local terminal 8B confirms the reception of the difference data Δd _{1 on} the display unit 101, operates the input unit 107, and causes the display unit 101 to display on the CAD unit 111.

In this case, it is preferable that the local terminal 8B displays on the display unit 101 that the initial design data has been received. As a result, it is possible to promptly notify the design department of the reception of the difference data Δd ₁ (that is, the initial design data d0).
Thereby, both of them have common CAD drawing information and can be displayed and browsed.

  After that, on the local terminal 8B side, for example, the building part 3A is displayed as a solid line of the three-dimensional CAD shown in FIG. If there is a problem of interference with the pipe support foundation on the side, input the position and outline of the pipe support foundation on the solid CAD drawing by operating the input unit 107 with XYZ coordinates based on the reference point 1 and reference orientation 2 And write operation. Then, a write event is notified from the CAD unit 111 to the data control unit 113. In response to the write event, the data control unit 113 performs a process of writing the CAD drawing (hereinafter referred to as design data d1) to which the position and outline of the pipe support foundation additionally input are added to the design data storage unit 112.

Next, the difference data extraction unit 114 receives the rewrite processing of the design data storage unit 112, and obtains the difference data Δd ₂ from the original data (initial design data d0) of the design data storage unit 112 and the changed design data d1. Extracted and written in the difference data storage unit 115. As a result, the design data newly added to the design data storage unit 112 for the position of the pipe support foundation and the added external shape is extracted as the difference data Δd ₂ and written to the difference data storage unit 115. Subsequently, the synchronization control unit 116 receives writing to the difference data storage unit 115 and outputs the difference data Δd ₂ to the communication unit 117 in order to notify the design terminal 91B. Thereby, the difference data Δd ₂ is transmitted to the design terminal 91B via the network 81.

When the communication unit 137 of the design terminal 91 </ _b > B receives the difference data Δd ₂ via the network 81, the communication unit 137 outputs the difference data Δd ₂ to the synchronization control unit 136. The synchronization control unit 136 reflects the difference data Δd ₂ input from the communication unit 137 in the design data storage unit 132. Thereby, the design data storage unit 132 stores the difference data Δd ₂ input on the local terminal 8B side.
Further, the communication unit 137 notifies the CAD unit 131 that the difference data Δd ₂ has been received via the data control unit 133. The TV conference attendee in front of the design terminal 91B confirms the reception of the difference data Δd _{2 on} the display unit 101, operates the input unit 107, and causes the display unit 101 to display on the CAD unit 131.

Thereafter, if there is an additional input of CAD data on the design terminal 91B side and the local terminal 8B side, the CAD information sharing units 110 and 130 operate in the same manner to exchange the difference data and share the same CAD drawing. Can be displayed.
The data that can be processed by the CAD information sharing unit 110 (130) and the CAD unit 111 (131) is not limited to the data of the three-dimensional CAD drawing, and the data of the two-dimensional CAD drawing and the data of the process table are also included. Can be included.

The video conference control unit 118 (138) outputs image information such as a moving image or a still image captured by the camera 102 and audio information acquired by the microphone 103 to the communication unit 117 (137), and via the network 81. The image information sent from the other side or the image information captured from the other side is output to the display unit 101, and the audio information sent from the other side is output to the speaker 101a. In addition, it has a function that can send image information captured by a scanner (not shown) or image information obtained by a digital camera to the other party.
By operating the video conference remote controller 105, the imaging range of the camera 102 can be changed, the image display magnification can be changed, and the volume of the speaker 101a can be changed.

In this way, a TV conference can be performed while displaying a common CAD drawing. As a result, it is possible to quickly and accurately inform the design side of the situation of the site that has been investigated on the site side of the construction site or the state of discrepancy with the original design.
In addition, by using this video conference function and CAD drawing sharing function, the result of the study of the measures proposed by the design side will be explained to the local side, the local side and the design side will simultaneously examine it in conversational form, It can be done quickly.

In this way, according to the design support system 100A of the present modification, in the event of a failure, an environment is provided in which measures can be negotiated jointly with the construction site and the design side, and related drawings are corrected and construction processes are adjusted in real time. Therefore, it is possible to speed up design change work and construction work change. In addition, it is possible to minimize the influences of process delays due to local countermeasures, occurrence of defects such as new interference, and the like.
As a result, it is possible to reduce the time required for confirming the position of the components, and to minimize the need for the design engineer to go to the plant construction site. In addition, when a problem occurs, the time required until the countermeasure is reduced by improving the efficiency of the countermeasure meeting, and the reliability of data exchange between the local site and the design side is improved.

  As described above, according to the modification of the present embodiment, the construction results at the construction site can be easily evaluated, and when a failure occurs, the construction site can be installed in a design room at a distance from the construction site. It is possible to provide a construction confirmation apparatus capable of quickly transmitting record information and a design support system using the construction confirmation apparatus.

<< Second Embodiment >>
Next, a design support system according to the second embodiment of the present invention will be described with reference to FIGS.
(Design support system)
In the first embodiment, the construction confirmation device 5 having a positioning function based on a signal from the GPS satellite 21 and a communication function with the RFID tag 11 is used. However, in the present embodiment, the RFID tag 12 (FIG. 10, a three-dimensional measuring instrument (hereinafter referred to as a total station) having a communication function with 12A, 12B, and 12C).
FIG. 10 is a configuration diagram of the design support system according to the second embodiment, and FIG. 11 is a functional block configuration diagram of the total station.

The design support system 100B includes a total station (construction confirmation device) 6, a local terminal 8A, a wireless terminal 8C, a LAN 9, a network (communication network) 81, a LAN 82, a design terminal 91A, a CAD server 93, and the like.
Unlike the RFID tag 11 in the first embodiment and its modification, the RFID tag 12 attached to the component, here the piping part 3B, differs from the RFID tag 11 in the first embodiment and its modification. It is a built-in active type (Active Type), the communication distance is about several tens to 100 m, and the total station 6 is used instead of the construction confirmation device 5 having a positioning function using GPS radio waves.
The same components as those in the first embodiment are denoted by the same reference numerals, and redundant description is omitted.
Note that the flow of writing information to the RFID tag 12 at the factory and construction site is the same as the flow shown in FIG. 3 in the first embodiment. However, the RFID tag 11 is replaced with the RFID tag 12.

(Total station)
The total station 6 shown in FIG. 10 has a known configuration as described in, for example, paragraphs [0014] to [0053] of JP-A-2003-240548, and the collimating telescope 6a In addition to a collimating camera optical system (not shown) as an imaging device for imaging in (1), a wide-angle camera optical system (not shown) is provided as an imaging device for imaging a measurement object with a wide field of view at a low magnification. This total station 6 is connected to FIG. 10 HYPERLINK "http://www6.ipdl.inpit.go.jp/Tokujitu/tjitemdrw.ipdl?N0000=231&N0500=1E#N/;%3e:=;?:;7/ As shown in // & N0001 = 34 & N0552 = 9 & N0553 = 000005 "\ t" tjitemdrw ", a horizontal rotating portion 6c is mounted on the leveling table 6b so as to be horizontally rotatable, and a pair of pillars standing on the horizontal rotating portion 6c A collimating telescope 6a is attached between the portions 6d and 6d so as to be vertically (vertically) rotatable. That is, the horizontal station 6c and the pair of pillars 6d constitute an integrated total station body, and the collimating telescope 6a is provided between the pillars 6d and 6d of the total station body so as to be vertically (vertically) rotatable.

  As shown in FIG. 11, the total station 6 includes a distance measuring unit (light wave distance meter) 61A that measures the distance to the measurement point and a horizontal angle measuring unit (not shown) that measures the horizontal angle of the collimating telescope 6a. A horizontal encoder), a vertical angle measuring unit (not shown) that measures the vertical angle of the collimating telescope 6a, and a horizontal control unit (horizontal servo motor) (not shown) that controls the horizontal angle of the collimating telescope 6a; A CPU 60 that realizes a vertical control unit (vertical servo motor) (not shown) that controls the vertical angle of the collimating telescope 6a, and an arithmetic control unit 60a that is a functional component for controlling these units and calculating measurement results. In addition, a memory, a peripheral circuit, a display unit 62a, and an input unit 62b associated with the CPU 60 are provided.

Incidentally, in FIG. 11, the horizontal angle measuring unit (horizontal encoder) and the vertical angle measuring unit (vertical encoder) are collectively displayed as the angle measuring unit 61B.
The driving of the collimating telescope 6a is controlled by a horizontal control unit (horizontal servo motor) and a vertical control unit (vertical servo motor). However, the collimating telescope 6a can be easily rotated manually by fine adjustment screws 68A and 68B (see FIG. 10). It can also be moved.

  Further, the total station 6 removes noise from the image obtained by the collimating camera optical system or the wide-angle camera optical system to obtain a clear image, and discriminates the contour of the measurement object, the measurement point, and the like (not shown). And a superimposing device (not shown) for superimposing various information on an image obtained from a collimating camera optical system or a wide-angle camera optical system. And while displaying the image obtained by collimating camera optical system and wide-angle camera optical system, you can specify measurement points by touching with measurement point specifying means such as touch pen or fingertip, and input various data and commands etc. The touch panel display includes a display unit 62a and also forms a part of the input unit 62b.

  The image processing apparatus and the superimposing apparatus described above are provided inside the total station body, and the display unit 62a is attached to the lower back surface of the horizontal rotating unit 6c. The display unit 62a not only displays the image captured by the collimating camera optical system or the wide-angle camera optical system, but also indicates the direction of the collimation axis (optical axis) of the wide-angle camera optical system or the collimating camera optical system. The input unit 62b having lines (crosshairs), icons for inputting various commands, numeric keypad buttons for inputting data, and the measurement results obtained by the distance measuring unit 61A and the angle measuring unit 61B are also described above. It can be displayed in a superimposed manner by a superimpose device.

  Of course, instead of the display unit 62a such as a touch panel display panel, a display unit such as an ordinary liquid crystal display and a keyboard for inputting various commands and data are provided separately. A cursor movement key, mouse, trackball, joystick, or the like may be used.

  As shown in FIG. 11, the total station 6 of the present embodiment includes a communication unit 66 (tag information acquisition means) configured by a tag R / W that can communicate with the RFID tag 12 within a considerable distance, for example, several tens to 100 m. ), And a communication unit 67 that communicates with the local terminal 8A via the wireless terminal 8C included in the LAN 9.

(Total station CPU function)
The CPU 60 of the total station 6 executes a three-dimensional position measurement program or a construction confirmation program, which is an application program stored in advance in the associated storage device, so that the reference position information acquisition unit 63 shown in FIG. Various functions such as a unit (position information conversion means) 64 and a measurement position information processing control unit 65 are realized.

The arithmetic control unit 60a receives the operation input of the worker 31B (see FIG. 10) from the display unit 62a, the input unit 62b, and the fine adjustment screws 68A and 68B, and controls the distance measuring unit 61A and the angle measuring unit 61B to perform the reference. The set horizontal angle, vertical angle, and distance according to the azimuth 2 are measured.
Here, the worker 31 </ b> B is an engineer who is familiar with the operation of the total station 6 and understands the three-dimensional position measurement technique using the total station 6.

In response to the operator 31B operating the display unit 62a and the input unit 62b, the reference position information acquisition unit 63 measures the reference point 1 from the current position of the total station 6 body by the calculation control unit 60a, and stores it in the storage device. It has a function of temporarily storing it as reference point position information.
Then, the measurement position conversion unit 64 calculates the measurement data measured from the current position of the total station 6 at the position where the target RFID tag 12 is attached, obtained by calculation by the calculation control unit 60a. Using the position information, the position information is converted into the XYZ coordinate system and output to the measurement position information processing control unit 65 as measurement position information.

(Measurement position information processing control unit)
The measurement position information processing control unit 65 includes a position information comparison unit (position information comparison unit) 65a, a determination unit (determination unit) 65b, and an inspection record registration unit 65c. Compared with design position information (second position information) 42 in various information (RFID tag information) stored in the tag 12, the error (position information difference) is equal to or greater than a predetermined value. The output according to the determination result is displayed on the display unit 62a, or the measurement position information is written as construction inspection record information 46 to the RFID tag 12 via the communication unit 66.
The measurement position information processing control 65 has substantially the same configuration and the same function as the measurement position information processing control unit 57 in the first embodiment.

Next, detailed function description of the measurement position information processing control unit 65 will be described in detail with reference to FIGS.
FIG. 12 and FIG. 13 show the flow of work for confirming the construction by measuring the RFID tag mounting position using the total station in this embodiment, corresponding to the flowcharts in FIG. 4 and FIG. 5 in the description of the first embodiment. It is a flowchart.
Although it is similar to the processing shown in FIG. 4 and FIG. 5 in the measurement position information processing control unit 57 of the first embodiment, different parts are shown here, and the description of the same parts is omitted.

Here, the CPU 60 of the total station 6 has already been activated, and the three-dimensional position measurement program and the construction confirmation program have been started up. In the description of FIG. 10, the piping component 3 </ b> B is handled as an example of the component, but the term “component”, which is a generalized name, is used in the description of the flowchart.
In step S51, in response to the operator 31B (see FIG. 10) operating the display unit 62a (see FIG. 10) or the input unit 62b (see FIG. 10), the operator 31B receives the measurement position information processing control unit 65. The worker ID is obtained from an RFID tag (not shown) built in the portable ID card. Next, the worker 31B operates the total station 6 to perform distance measurement and angle measurement of the tag attachment position of one RFID tag 12 from among the RFID tags 12 attached to the components. In step S52, the arithmetic control unit 60a checks whether or not the operator 31B has performed an operation of taking in the distance and angle (horizontal angle and vertical angle). If there is a capture operation (Yes), the process proceeds to step S53. If there is no capture operation (No), step S52 is repeated.

  In step S <b> 53, the calculation control unit 60 a captures (temporarily stores) the distance and angle from the position (self-position) where the total station 6 is placed, and the measurement position conversion unit 64 temporarily stores the reference position information acquisition unit 63. The measured reference point position information is converted into measurement position information from the reference point 1 and displayed on the display unit 62a (step S54).

Next, the worker 31B looks at the construction drawing 22 (see FIG. 10), confirms the tag ID, and operates the input unit 62b (see FIG. 10) to input the tag ID. This is because the RFID tag 12 is an active type RFID tag, and a plurality of RFID tags 12 can communicate with the communication unit 66, so that the target RFID tag 12 whose tag attachment position is currently measured is specified. That is, this is an operation for causing the measurement position information processing control unit 65 to recognize.
In step S55, the measurement position information processing control unit 65 receives the input of the tag ID, communicates with the RFID tag 12 of the input tag ID, acquires the RFID tag information, and temporarily stores it (step S56).

  In step S57 (Is the component ID correct?), The measurement position information processing control unit 65 searches the component drawing information 44 in the RFID tag information acquired in step S56 and searches for the component ID, for example, Spool No., which is one of the component IDs. Is displayed on the display unit 62a (see FIG. 11), and the worker 31B is confirmed whether it is correct (Yes) or incorrect (No). When the input of correct (OK operation) is received (Yes), the process proceeds to step S58 as indicated by reference numeral (3). If an input (cancel operation) indicating that it is incorrect is received (No), the process proceeds to step S66 as an RFID tag input error, and the RFID tag information acquired in step S56 is erased, and the process returns to step S55.

When the process proceeds to step S58 as (Yes) in step S57, the measurement position information processing control unit 65 temporarily stores the measurement position information and the design position information 42 obtained in step S54 in association with the tag ID.
The design position information 42 is included in the RFID tag information acquired in step S56.

In step S59, the measurement position information processing control unit 65 causes the position information comparison unit 65a to calculate the difference between the design position information 42 (see FIG. 11) of each RFID tag 12 and the measurement position information (position information difference). Then, the obtained position information differences are temporarily stored in association with tag IDs (tag identification information).
Specifically, a set of the measurement position information temporarily stored in step S58 and the design position information 42 is called, and the position information difference is obtained by subtracting the design position information from the measurement position information expressed in the XYZ coordinate system. .
In step S60, the measurement position information processing control unit 65 checks whether the position information difference is greater than or equal to a threshold value. If it is equal to or greater than the threshold (Yes), the process proceeds to step S61. If it is less than the threshold (No), the process proceeds to step S62.

In step S61, the measurement position information processing control unit 65 performs an alarm message output “large position information difference! Check tag ID or measurement position” on the display unit 62a.
In step S62, the measurement position information processing control unit 65 checks whether or not to confirm this measurement position information. When it is detected that the operator 31B has performed the confirmation operation (Yes), the process proceeds to step S64, and when it is detected that the cancel operation has been performed (No), the process proceeds to step S63.

When the process proceeds from step S62 to No in step S63, the measurement position information processing control unit 65 deletes the measurement position information, RFID tag information, and position information difference. Specifically, the RFID tag information temporarily stored in step S56, the set of measurement position information and design position information 42 corresponding to the tag ID temporarily stored in step S58, and the position information difference temporarily stored in step S59 are deleted. To do. And it returns to step S52 according to a code (4).
In step S64, the measurement position information processing control unit 65 outputs a message to the display unit 62a, and determines whether there is a remaining RFID tag attached to the same component (Yes) or not (No). Let member 31B check. When the input “Yes” is received, the process returns to step S52 according to the reference (4). When the input “No” is received, the process proceeds to step S65.

  In step S65, the measurement position information processing control unit 65 uses the position information comparison unit 65a between the two design position information 42 corresponding to the first vector between any two pieces of measurement position information of each RFID tag 12. A vector angle difference with the second vector is calculated. Then, the obtained vector angle differences are temporarily stored in association with the two tag IDs.

  Specifically, any two sets are searched from the set of measurement position information and design position information 42 corresponding to the tag ID temporarily stored in step S58, and the difference between the measurement position information is obtained. Let the thing be the first vector. Here, the starting point of the first vector is, for example, the one whose measurement position information is closer to the reference point 1. Further, the difference between the two sets of design position information 42 is taken as a second vector. The starting point of the second vector is the tag ID starting from the first vector. Then, a vector angle difference between the first vector and the second vector is calculated.

  Then, it progresses to step S30. However, in the description after step S30 in the flowcharts of FIGS. 4 and 5, the RFID tag 11 is read again as the RFID tag 12, the measurement position information processing control unit 57 is changed to the measurement position information processing control unit 65, and the position information comparison unit 57 a is changed. In the position information comparison unit 65a, the determination unit 57b is in the determination unit 65b, the inspection record registration unit 57c is in the inspection record registration unit 65c, the communication unit 56 is in the communication unit 66, the communication unit 58 is in the communication unit 67, and the display unit 5a. Read the display unit 62a, the input unit 5b as the display unit 62a or the input unit 62b, and the worker 31A as the worker 31B.

  Here, in particular, steps S52 to S54 of the flowchart are the second position acquisition means according to claims 3, 4 and 7, step S55 is the input means, and step S56 is the claims 3 and 4. Steps S59, S62, and S65 are the tag information acquisition means described in claim 3, and the position information comparison means are described in claims 3, 4, and 7. Steps S30 to S35 are claims 3, 3, and 4. The determination means according to Item 7 is configured.

Moreover, the examination method in the design terminal 91 </ b> A when the failure information is received from the total station 6 is the same as that in the first embodiment.
Furthermore, the TV conference using the local terminal 8B and the design terminal 91B and the CAD drawing information sharing function are the same as the modification in the first embodiment.

  As described above, according to the present embodiment, when the installation position and attachment position of the components constituting the plant structure are measured and confirmed using the total station 6, the measurement location is the construction drawing 22 (see FIG. 10). The RFID tag 12 (refer to FIG. 10) designated by is measured, the coordinates of the XYZ coordinate system based on the reference point 1 (refer to FIG. 10) and the reference orientation 2 (refer to FIG. 10) are calculated, and the corresponding RFID tag By comparing with the design position information acquired by communicating with 12, it is possible to easily and quickly confirm on the spot whether the error is equal to or greater than a predetermined value.

Even when a component is installed in a building and cannot receive GPS radio waves, according to this embodiment, the installation position can be easily measured, and whether the error exceeds a predetermined value can be easily and It can be confirmed quickly.
In addition, in order to allow the total station 6 to acquire the design position information 42 of the measurement location described in the construction drawing 22, it is only necessary to input the tag ID of the RFID tag 12 from the input unit 62b, which is simplified. There are few mistakes in data entry.
In addition, since the installation position is measured using the total station 6 and communicated with the RFID tag 12 at a communication distance of about several tens to 100 m, the tag mounting positions of a large number of RFID tags 12 can be easily measured, and the measurement efficiency Is good.

  In addition, when the component is a piping component and is attached with a subtle gradient, even if the attachment direction is accidentally set inadvertently, the measurement position information obtained as a result of measuring the tag attachment position and the RFID tag 12 are stored. A large discrepancy occurs in the design position information 42 (see FIG. 11), an alarm is issued in steps S30 to S35 of the flowchart, and an erroneous operation in which a part of the piping is constructed with a reverse gradient can be easily prevented.

  Furthermore, if the components remain as they are, installation and installation cannot be performed according to the design position information 42 within the allowable tolerance, and the current installation position and installation position are installed on the local terminal 8A on the construction site side with CAD software. Even if it is not performed, or if personnel who are accustomed to the operation of CAD software are not located at the construction site, there is no human error at the time of posting, etc., and there is a defect including measurement position information for CAD drawings Information can be sent accurately and quickly to the design department in charge of the plant under construction.

In the design department, when the defect information sent from the remote construction site is acquired, the component drawing information 44 and the measurement position information that are input to the CAD software can be easily obtained, and the defect in the construction work of the local component The situation can be grasped accurately.
Thereby, the position confirmation work time of the component by the local worker or the work supervisor can be reduced.

Also, the video conference function as in the modification of the first embodiment can be applied to the second embodiment, and a video conference can be performed while displaying a common CAD drawing. As a result, it is possible to accurately and promptly inform the design side of the situation of the site examined on the site side of the construction site or the state of discrepancy with the original design.
In addition, by using this video conference function and CAD drawing sharing function, the result of the study of the measures proposed by the design side will be explained to the local side, the local side and the design side will simultaneously examine it in conversational form, It can be done quickly.

Thus, according to the design support system 100B of this modification, when a failure occurs, an environment is provided in which measures can be discussed with the construction site and the design side jointly, and related drawings are corrected and construction processes are adjusted in real time. Therefore, it is possible to speed up design change work and construction work change. In addition, it is possible to minimize the influences of process delays due to local countermeasures, occurrence of defects such as new interference, and the like.
As a result, it is possible to reduce the time required for confirming the position of the components, and to minimize the need for the design engineer to go to the plant construction site. In addition, when a problem occurs, the time required until the countermeasure is reduced by improving the efficiency of the countermeasure meeting, and the reliability of data exchange between the local site and the design side is improved.

  As described above, according to the modification of the present embodiment, the construction results at the construction site can be easily evaluated, and when a failure occurs, the construction site can be installed in a design room at a distance from the construction site. It is possible to provide a construction confirmation apparatus capable of quickly transmitting record information and a design support system using the construction confirmation apparatus.

<< Third Embodiment >>
Next, a design support system according to a third embodiment of the present invention will be described with reference to FIGS.
(Design support system)
In the first embodiment, the construction confirmation device 5 having a positioning function based on a signal from the GPS satellite 21 and a communication function with the RFID tag 11 is used. However, in the present embodiment, the RFID tag 13 (FIG. 14, a positioning server 7 that performs position measurement by communication with 13 </ b> A, 13 </ b> B, and 13 </ b> C) is used.
FIG. 14 is a configuration diagram of the design support system according to the third embodiment, and FIG. 15 is a functional block configuration diagram of the positioning server.

The design support system 100C includes a positioning server (construction confirmation device) 7, a local terminal 8A, a wireless terminal 8C, a LAN 9, a network (communication network) 81, a LAN 82, a design terminal 91A, a CAD server 93, and the like.
Unlike the RFID tag 11 in the first embodiment and its modification, the RFID tag 13 attached to the component, here the piping part 3C, differs from the RFID tag 11 in the first embodiment and its modification. The built-in active type has a communication distance of about several tens to 100 m, and three or more receivers (tag readers) 70 (FIG. 14) instead of the construction confirmation device 5 having a positioning function using GPS radio waves. Among them, the positioning server 7 connected to the display 70A, 70B, and 70C is used. The positioning server 7 is composed of a normal personal computer.
Here, the positioning server 7 corresponds to the construction confirmation apparatus according to claim 5.
The same components as those in the first embodiment are denoted by the same reference numerals, and redundant description is omitted.

(RFID tag)
The RFID tag 13 periodically transmits a predetermined signal by the built-in battery as described above, and the battery is effective for about 2 to 5 years, for example.
Incidentally, the periodic transmission of each RFID tag 13 is initially set to be random.

(Positioning server)
The positioning server 7 shown in FIG. 14 is connected to a plurality of receivers 70 that can wirelessly communicate with the RFID tag 13. When each receiver 70 receives a predetermined signal periodically transmitted from each RFID tag 13, for example, a signal indicating a tag ID, each receiver 70 checks the reception time of the signal at each receiver 70 and receives the received tag ID and The time information is transmitted to the positioning server 7.
Each receiver 70 is composed of a tag R / W that can communicate with the RFID tag 13, and its position is measured in advance in the XYZ coordinate system based on the reference point 1 (see FIG. 14) and the design orientation 2 (see FIG. 14). It is assumed that three or more receivers 70 are arranged in advance so that there are three or more receivers 70 within a communicable distance (a distance of several tens to 100 m) with the RFID tag 13 throughout the construction site. .

When each receiver 70 receives a radio wave from a specific RFID tag 13 as described in, for example, Japanese Patent Laid-Open No. 2007-111003, for example, the positioning server 7 is based on the receiver 70 that received the earliest, for example. In this case, a three-dimensional measurement position calculation unit 71 (see FIG. 15) that calculates the position of the specific RFID tag 13 from the delay time of radio wave reception of the other receiver 70 is provided.
As shown in FIG. 15, the positioning server 7 includes a communication unit 74 that can communicate with a receiver 70 configured by a network, and a communication unit 75 that communicates with a local terminal 8 </ b> A via a LAN 9.

  The positioning server 7 executes a three-dimensional position measurement program and a construction confirmation program, which are application programs stored in advance in a built-in storage device, thereby obtaining a three-dimensional measurement position calculation unit 71 and reference position information acquisition shown in FIG. Various functions such as the unit 72 and the measurement position information processing control unit 73 are realized.

  The reference position information acquisition unit 72 has a function of registering in the built-in storage device (not shown) that the operator 31C inputs and operates the preset position of the receiver 70 in the XYZ coordinate system using the input unit 7b. The position of each receiver 70 is used when the three-dimensional measurement position calculation unit 71 calculates the position of the target RFID tag 13 in the XYZ coordinate system based on delay time information from the delay time acquisition unit 73a described later.

(Measurement position information processing control unit)
The measurement position information processing control unit 73 includes a delay time acquisition unit 73a, a position information comparison unit (position information comparison unit) 73b, a determination unit (determination unit) 73c, and an inspection record registration unit 73d. The measurement position information processing control unit 73 outputs the delay time information acquired by the delay time acquisition unit 73a to the three-dimensional measurement position calculation unit 71, and the three-dimensional measurement position calculation unit 71 receives the measurement position information of the XYZ coordinate system. It is calculated and compared with the design position information 42 in the various information stored in the RFID tag 13 to determine whether the error (position information difference) is equal to or greater than a predetermined value, An output corresponding to the determination result is displayed on the display unit 7a, or the measurement position information is written as construction inspection record information 46 in the RFID tag 13 via the communication unit 74 or the receiver 70.

The measurement position information processing control unit 73 has substantially the same configuration and the same function as the measurement position information processing control unit 57 in the first embodiment, but communicates with the RFID tag 13 to acquire information or write information. In order to concentrate the control to be performed in one place, a delay time acquisition unit 73a is also included.
Next, detailed functional descriptions of the three-dimensional measurement position calculation unit 71 and the measurement position information processing control unit 73 will be described in detail with reference to FIGS. 16 and 17 and with reference to FIGS. 14 and 15 as appropriate.
FIGS. 16 and 17 correspond to the flowcharts of FIGS. 4 and 5 in the description of the third embodiment, and show the flow of work for confirming the construction by measuring the RFID tag mounting position using the positioning server in this embodiment. It is a flowchart to show.
Although it is similar to the processing shown in FIG. 4 and FIG. 5 in the measurement position information processing control unit 57 of the first embodiment, different parts are shown here, and the description of the same parts is omitted.

Here, the positioning server 7 (see FIG. 14) has already been started, and a three-dimensional position measurement program and a construction confirmation program have been started up. Up to this point, the piping part 3C (see FIG. 14) is handled as an example of the component, but in the description of the flowchart, the term “component”, which is a generalized name, is used.
In step S71, in response to the operator 31C (see FIG. 14) operating the input unit 7b (see FIG. 15), the worker ID of the worker 31C is assigned to the measurement position information processing control unit 73 (see FIG. 15). get.

Next, the worker 31C operates the input unit 7b to see the construction drawing 22 (see FIG. 15), confirm the tag ID, and input the tag ID.
This is because the RFID tag 12 is an active RFID tag, and a plurality of RFID tags 13 can communicate with the communication unit 74 via the receiver 70. This is an operation to specify.
Here, the RFID tag 13 periodically transmits a tag ID, but is not limited thereto. The RFID tag 13 is in a reception standby state, and the tag ID acquired in step S72 is sent to the delay time acquisition unit 73a (see FIG. 15) via the communication unit 74 (see FIG. 15) and each receiver 70 (see FIG. 15). The RFID tag 13 may send a response signal including its own tag ID when the RFID tag 13 receives the question signal and determines that it is called.

The measurement position information processing control unit 73 receives the input of the tag ID (step S72), and the delay time acquisition unit 73a receives the RFID tag 13 of the input tag ID and each receiver 70 (70A, 70B, 70C in FIG. 15). The delay time information corresponding to the tag ID acquired in step S72 is acquired (step S73). This delay time information is a difference in reception time at the receiver 70 that has been received thereafter with reference to the receiver 70 that has received the signal from the RFID tag 13 with the tag ID specified in step S72 at the earliest time. The delay time information acquired by the delay time acquisition unit 73 a is sent to the three-dimensional measurement position calculation unit 71 with a receiver ID that identifies the receiver 70.
The three-dimensional measurement position calculation unit 71 calculates the distance from the receiver 70 corresponding to the delay time information based on the arrangement of each receiver 70 and the delay time information to which the receiver ID is attached (step S74). It converts into the measurement position information from the point 1, and displays on the display part 7a (step S75).

  In step S76, the measurement position information processing control unit 73 communicates with the RFID tag 13 of the tag ID input in step S72 via the receiver 70 received at the earliest time with the communication unit 74, and acquires RFID tag information. And store it temporarily.

  In step S77 (Is the component ID correct?), The measurement position information processing control unit 73 searches the component drawing information 44 in the RFID tag information acquired in step S76 to search for the component ID, for example, Spool No., which is one of the component IDs. Is displayed on the display unit 7a, and the worker 31C is made to confirm whether it is correct (Yes) or incorrect (No). If the input of correct (OK operation) is received (Yes), the process proceeds to step S78 as indicated by reference numeral (5). If an input (cancel operation) indicating that it is incorrect is received (No), the process proceeds to step S81 as an RFID tag input error, and the RFID tag information acquired in step S76 is erased, and the process returns to step S72.

If it is correct (Yes) in step S77, the process proceeds to step S78, and the measurement position information processing control unit 73 temporarily stores the measurement position information and design position information 42 (see FIG. 15) acquired in step S75 corresponding to the tag ID. Remember.
The design position information 42 is included in the RFID tag information acquired in step S76.

In step S79, the measurement position information processing control unit 73 causes the position information comparison unit 73b (see FIG. 15) to calculate a difference (position information difference) between the design position information 42 of the RFID tag 13 and the measurement position information. Then, the obtained position information differences are temporarily stored in association with the tag ID.
Specifically, a set of measurement position information and design position information 42 corresponding to the tag ID temporarily stored in step S75 is searched, and the design position information is subtracted from the measurement position information represented in the XYZ coordinate system. A thing is a positional information difference.

  In step S80, the measurement position information processing control unit 73 outputs a message to the display unit 7a to check whether there is a remaining RFID tag 13 attached to the same component (Yes) or not (No). Let member 31C check. If the input “Yes” is received, the process returns to step S72 according to the reference numeral (6). If the input “No” is received, the process proceeds to step S29 in the flowcharts of FIGS.

  However, in the description after step S29 in the flowcharts of FIGS. 4 and 5, the RFID tag 11 is read as the RFID tag 13, the measurement position information processing control unit 57 is replaced with the measurement position information processing control unit 73, and the position information comparison unit 57a is replaced with the RFID tag 13. In the position information comparison unit 73b, the determination unit 57b is in the determination unit 73c, the inspection record registration unit 57c is in the inspection record registration unit 73d, the communication unit 56 is in the communication unit 75, the communication unit 58 is in the communication unit 74, and the display unit 5a. Is replaced with display unit 7a, input unit 5b with input unit 7b, and worker 31A with worker 31C.

  Here, in particular, step S72 of the flowchart is the input means according to claims 5 and 6, steps S72 to S75 are the third position acquisition means according to claims 5 and 6, and step S56 is the charge. The tag information acquisition means according to claim 3 and claim 4, the step S79, S29 are claim 5, the position information comparison means according to claim 6 and claim 7, and the steps S30 to S35 are claim 5, claim 5. The determination means of Claim 6 and Claim 7 is comprised.

Moreover, the examination method in the design terminal 91 </ b> A when the failure information is received from the positioning server 7 is the same as that in the first embodiment.
Furthermore, the TV conference using the local terminal 8B and the design terminal 91B and the CAD drawing information sharing function are the same as the modification in the first embodiment.

  As described above, according to the present embodiment, the RFID tag 13 specified in the construction drawing 22 is used when the installation position and the installation position of the components constituting the plant structure are measured and confirmed using the positioning server 7. The location where the RFID tag 13 is attached is measured based on the delay time information obtained by designating and communicating with the corresponding RFID tag 13, and the coordinates of the XYZ coordinate system based on the reference point 1 and the reference orientation 2 are calculated. Next, by comparing with the design position information 42 acquired by communicating with the corresponding RFID tag 13, it can be easily and quickly confirmed whether or not the error exceeds a predetermined value.

  Even when the component is installed in the building and cannot receive GPS radio waves, according to this embodiment, even the worker 31C who does not know the operation method of the three-dimensional measuring instrument can easily measure the installation position of the component, Whether or not the error exceeds a predetermined value can be easily and quickly confirmed on the spot.

Further, in order to cause the positioning server 7 to acquire the design position information 42 of the measurement location described in the construction drawing 22, it is only necessary to input the tag ID of the RFID tag 13 from the input unit 7b, which is simplified. So there are few mistakes in data entry.
In addition, since the positioning position of the component is measured from the receiver 70 using the positioning server 7 by communicating with, for example, the RFID tag 13 within several tens of meters, a large number of RFID tag mounting positions can be easily measured. Efficiency is good.

  In addition, when the component is a piping part and is attached with a subtle gradient, even if the attachment direction is inadvertently accidentally assembled, the measurement position information obtained as a result of measuring the tag attachment position and the RFID tag 13 are stored. Since a large discrepancy occurs in the design position information 42 and a warning is issued in steps S30 to S35 of the flowchart, it is possible to easily prevent an erroneous operation in which a part of the piping is constructed with a reverse gradient.

  Furthermore, if the components remain as they are, installation and installation cannot be performed according to the design position information 42 within the allowable tolerance, and the current installation position and installation position are installed on the local terminal 8A on the construction site side with CAD software. Even if it is not performed, or if personnel who are accustomed to the operation of CAD software are not located at the construction site, there is no human error at the time of posting, etc., and there is a defect including measurement position information for CAD drawings Information can be sent accurately and quickly to the design department in charge of the plant under construction.

In the design department, when the defect information sent from the remote construction site is acquired, the component drawing information 44 and the measurement position information that are input to the CAD software can be easily obtained, and the defect in the construction work of the local component The situation can be grasped accurately.
Thereby, the position confirmation work time of the component by the local worker or the work supervisor can be reduced.

Also, the video conference function as in the modification of the first embodiment can be applied to the third embodiment, and a video conference can be performed while displaying a common CAD drawing. As a result, it is possible to quickly and accurately inform the design side of the situation of the site that has been investigated on the site side of the construction site or the state of discrepancy with the original design.
In addition, by using this video conference function and CAD drawing sharing function, the result of the study of the measures proposed by the design side will be explained to the local side, the local side and the design side will simultaneously examine it in conversational form, It can be done quickly.

Thus, according to the design support system 100C of this modified example, when a failure occurs, an environment is provided in which measures can be negotiated jointly with the construction site and the design side, and related drawings are corrected and construction processes are adjusted in real time. Therefore, it is possible to speed up design change work and construction work change. In addition, it is possible to minimize the influences of process delays due to local countermeasures, occurrence of defects such as new interference, and the like.
As a result, it is possible to reduce the time required for confirming the position of the components, and to minimize the need for the design engineer to go to the plant construction site. In addition, when a problem occurs, the time required until the countermeasure is reduced by improving the efficiency of the countermeasure meeting, and the reliability of data exchange between the local site and the design side is improved.

  As described above, according to the modification of the present embodiment, the construction results at the construction site can be easily evaluated, and when a failure occurs, the construction site can be installed in a design room at a distance from the construction site. It is possible to provide a construction confirmation apparatus capable of quickly transmitting record information and a design support system using the construction confirmation apparatus.

  Note that, in the third embodiment, the positioning server 7 determines that each receiver of the RFID tag 13 is based on a difference (delay time) in reception time between the receivers 70 when the receiver 70 receives radio waves from the RFID tag 13. The distance from 70 is calculated to calculate the position of the XYZ coordinate system, but the distance from each receiver 70 is calculated based on the phase difference of the radio wave (carry wave) transmitted from the RFID tag 13. The position of the XYZ coordinate system may be calculated.

1 is a configuration diagram of a design support system according to a first embodiment. It is a functional block block diagram of a construction confirmation apparatus. It is a figure explaining the flow which writes the information to the RFID tag in the process which concerns on this invention in the flow from the design of a plant to field construction, and a factory and a construction site. It is a flowchart which shows the flow of the operation | work which measures an RFID tag attachment position using a construction confirmation apparatus, and confirms construction. It is a flowchart which shows the flow of the operation | work which measures an RFID tag attachment position using a construction confirmation apparatus, and confirms construction. It is a flowchart which shows the flow which produces | generates the defect information drawing at the time of receiving defect information on the design terminal side. It is a piping isometric view. FIG. 9 is a screen display diagram of a solid display of a three-dimensional CAD corresponding to the piping isometric view shown in FIG. 8. It is a block block diagram of the local terminal for video conference, and a design terminal. It is a block diagram of the design support system concerning 2nd Embodiment. It is a functional block block diagram of a total station. It is a flowchart which shows the flow of the operation | work which measures an RFID tag attachment position using a total station, and confirms construction. It is a flowchart which shows the flow of the operation | work which measures an RFID tag attachment position using a total station, and confirms construction. It is a block diagram of the design support system concerning 3rd Embodiment. It is a functional block block diagram of a positioning server. It is a flowchart which shows the flow of the operation | work which measures an RFID tag attachment position using a positioning server and confirms construction. It is a flowchart which shows the flow of the operation | work which measures an RFID tag attachment position using a positioning server and confirms construction.

Explanation of symbols

1 Reference point 2 Reference orientation 3A, 3B, 3C Piping parts (components)
5 Construction confirmation device 5a Display unit 5b Input unit 6 Total station (Construction confirmation device)
7 Positioning server (Construction confirmation device)
7a Display unit 7b Input unit 8A, 8B Local terminal 9,82 LAN
11, 11A, 11B, 11C, 11F, 11L, 12, 12A, 12B, 12C, 13, 13A, 13B, 13C RFID tag 21 GPS satellite 22 Construction drawing 25 Calculation center 31A, 31B, 31C Worker 33 Engineer 41 Tag identification Information 42 Design position information (second position information)
43 Relative design position information 44 Component drawing information (CAD related information)
45 Manufacturing inspection record information 46 Construction inspection record information 51A Communication unit (first position acquisition means)
51B communication unit (first position acquisition means)
52 Positioning control unit (first position acquisition means)
53 Positioning calculation unit (first position acquisition means)
54 Reference position information acquisition section 55 Measurement position conversion section (position information conversion means)
56 Communication unit (tag information acquisition means)
57 Measurement position information processing control section 57a Position information comparison section (position information comparison means)
57b Determination unit (determination means)
57c Inspection record registration unit 58 Communication unit 60 CPU
60a Calculation control unit (second position acquisition means)
61A Distance measuring unit (second position acquisition means)
61B Angle measuring unit (second position acquisition means)
62a Display unit 62b Input unit 63 Reference position information acquisition unit (second position acquisition means)
64 Measurement position conversion unit (second position acquisition means)
65 Measurement position information processing control section 65a Position information comparison section (position information comparison means)
65b Determination unit (determination means)
65c Inspection record registration unit 66 Communication unit (tag information acquisition means)
67 communication unit 70A, 70B, 70C receiver (tag reader, tag information acquisition means, third position acquisition means)
71 3D measurement position calculation unit (third position acquisition means)
72 Reference position information acquisition unit (third position acquisition means)
73 Measurement position information processing control unit 73a Delay time acquisition unit (third position acquisition unit)
73b Position information comparison unit (position information comparison means)
73c Determination part (determination means)
73d Inspection record registration unit 74 Communication unit (tag information acquisition means)
75 Communication unit 81 Network (communication network)
82 LAN
91A, 91B Design terminal 93 CAD server 93a CAD database 100A, 100B, 100C Design support system 107 Input unit 110 CAD information sharing unit (second CAD information sharing means)
111 CAD unit 117 communication unit 118 TV conference control unit (second conference means)
121A Feed water heater 121B Feed water superheater 121b Outlet nozzle 123 Feed water piping 130 CAD information sharing unit (first CAD information sharing means)
131 CAD unit 137 communication unit 138 TV conference control unit (first conference means)

Claims (8)

First position acquisition means for receiving radio waves from a GPS satellite, calculating its own position and acquiring it as first position information;
It communicates by radio waves with an RFID tag that is fixed at a predetermined position of a structural component to be constructed at a construction site and stores second position information corresponding to the fixed predetermined position based on a predetermined reference point. Tag information acquisition means for acquiring the second position information;
Position information conversion means for converting the first position information acquired by the first position acquisition means into measurement position information based on the reference point;
Position information comparing means for comparing the second position information with the measured position information;
Determination means for determining whether or not the position information difference acquired by the position information comparison means is greater than or equal to a predetermined value, and outputting ,
In the component, at least two or more RFID tags are fixed at predetermined positions apart from each other,
The position information comparing means includes a first vector between the acquired measurement position information corresponding to any two of the plurality of RFID tags, and the second of the RFID tags corresponding to the two. Calculating a second vector between the positional information of the first vector and comparing the first vector with the second vector;
The construction confirmation apparatus characterized in that the determination means determines whether or not the vector angle difference compared by the position information comparison means is greater than or equal to a predetermined value and outputs the result. When approaching the RFID tag and acquiring the second position information by the tag information acquisition means,
The first position information is acquired by the first position acquisition means, converted into the measured position information by the position information conversion means, and the determination means determines based on the position information difference in the position information comparison means. The construction confirmation apparatus according to claim 1, wherein a result is output. It communicates by radio waves with an RFID tag that is fixed at a predetermined position of a structural component to be constructed at a construction site and stores second position information corresponding to the fixed predetermined position based on a predetermined reference point. Tag information acquisition means for acquiring the second position information;
Second position acquisition means for measuring the position of the RFID tag and acquiring measurement position information based on the reference point;
Position information comparing means for comparing the second position information with the measured position information;
Determination means for determining whether or not the position information difference acquired by the position information comparison means is greater than or equal to a predetermined value, and outputting ,
In the component, at least two or more RFID tags are fixed at predetermined positions apart from each other,
The position information comparing means includes a first vector between the acquired measurement position information corresponding to any two of the plurality of RFID tags, and the second of the RFID tags corresponding to the two. Calculating a second vector between the positional information of the first vector and comparing the first vector with the second vector;
The construction confirmation apparatus characterized in that the determination means determines whether or not the vector angle difference compared by the position information comparison means is greater than or equal to a predetermined value and outputs the result. The construction confirmation apparatus has input means for inputting tag identification information for identifying the RFID tag,
The RFID tag stores tag identification information in advance,
When the second position acquisition unit acquires the measurement position information of the specific RFID tag corresponding to the tag identification information input from the input unit,
The tag information acquisition means communicates with the specific RFID tag corresponding to the tag identification information to acquire the second position information, and the determination means determines based on the position information difference in the position information comparison means The construction confirmation device according to claim 3, wherein the result is output. It communicates by radio waves with an RFID tag that is fixed at a predetermined position of a structural component to be constructed at a construction site and stores second position information corresponding to the fixed predetermined position based on a predetermined reference point. Tag information acquisition means for acquiring the second position information;
A plurality of tag readers that communicate with the RFID tag, a third position acquisition unit that measures a position based on communication with the RFID tag by the tag reader and acquires measurement position information based on a predetermined reference point;
Position information comparing means for comparing the second position information with the measured position information;
Determination means for determining whether or not the position information difference acquired by the position information comparison means is greater than or equal to a predetermined value, and outputting,
In the component, at least two or more RFID tags are fixed at predetermined positions apart from each other,
The position information comparing means includes a first vector between the acquired measurement position information corresponding to any two of the plurality of RFID tags, and the second of the RFID tags corresponding to the two. Calculating a second vector between the positional information of the first vector and comparing the first vector with the second vector;
The construction confirmation apparatus characterized in that the determination means determines whether or not the vector angle difference compared by the position information comparison means is greater than or equal to a predetermined value and outputs the result. The construction confirmation apparatus has input means for inputting tag identification information for identifying the RFID tag,
The RFID tag stores tag identification information in advance,
When the third position acquisition unit acquires the measurement position information of the specific RFID tag corresponding to the tag identification information input from the input unit,
The tag information acquisition means communicates with the specific RFID tag designated for input to acquire the second position information, and the determination means outputs a determination result based on the position information difference in the position information comparison means The construction confirmation apparatus according to claim 5, wherein The construction confirmation apparatus according to any one of claims 1 to 6 ,
A local terminal communicating with the construction confirmation device;
A design terminal connected to the local terminal via a communication network;
A CAD database connected to the design terminal and storing CAD information;
A design support system comprising:
The RFID tag further stores CAD related information that is a search key for searching for the CAD information.
The tag information acquisition means of the construction confirmation device also acquires the CAD related information from the RFID tag,
The local terminal is
Having at least the CAD related information and the measurement position information from the construction confirmation device and transmitting the information to the design terminal via the communication network;
The design terminal is
CAD information acquisition means for acquiring CAD information from the CAD database, and local information acquisition means for acquiring at least the CAD related information and the measurement position information transmitted from the construction confirmation device,
The CAD information acquisition means acquires the CAD information corresponding to the acquired CAD related information from the CAD database;
Furthermore, based on the acquired CAD-related information and the measurement position information, the design support system, wherein the positional relationship of the constructed component is overwritten so as to be distinguishable in the acquired corresponding CAD information. . The design terminal further includes:
Sending the distinguishable overwritten CAD information and its changes to the local terminal via the communication network, receiving changes to the overwritten CAD information on the local terminal, First CAD information sharing means for sharing with the local terminal;
First conference means capable of communicating and displaying image information and audio information bidirectionally via the communication network with the design terminal;
Have
The local terminal further includes
Receiving the distinguishably overwritten CAD information and the change transmitted from the design terminal via the communication network, and changing the change to the distinguishably overwritten CAD information. A second CAD information sharing means for transmitting to the design terminal and sharing with the design terminal;
Second conference means capable of communicating and displaying image information and audio information to and from the design terminal bidirectionally via the communication network;
The design support system according to claim 7 , further comprising:

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