CN112204559A - Auxiliary device for measurement and control design - Google Patents
Auxiliary device for measurement and control design Download PDFInfo
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- 238000005259 measurement Methods 0.000 title claims abstract description 384
- 238000013461 design Methods 0.000 title claims abstract description 92
- 238000010586 diagram Methods 0.000 claims abstract description 117
- 239000000284 extract Substances 0.000 claims abstract description 12
- 239000000470 constituent Substances 0.000 claims abstract description 3
- 238000000605 extraction Methods 0.000 claims description 31
- 238000000034 method Methods 0.000 description 19
- 238000004378 air conditioning Methods 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
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Abstract
The measurement and control design auxiliary device determines a structure required by automatic control of the measurement and control equipment according to a basic measurement and control diagram comprising the measurement and control equipment and a connecting circuit connected with the measurement and control equipment, and the measurement and control design auxiliary device is provided with: a control item DB (44) which stores a plurality of control items, the measurement and control equipment corresponding to each control item or the constituent elements of the measurement and control equipment, and component information which is information of one or more measurement and control components required for executing each control item, in association with each other; a control item presentation unit (34) that extracts one or more candidates of control items applicable to the measurement and control device with reference to the control item DB (44) and presents the candidates to an operator; and an additional measurement and control map generation unit (36) that specifies the measurement and control component corresponding to the control item selected by the operator with reference to the control item DB (44), and adds the specified measurement and control component to the basic measurement and control map.
Description
Technical Field
The specification discloses a measurement and control design auxiliary device, which determines a structure required by automatic control of measurement and control equipment according to a basic measurement and control diagram comprising a measurement and control component and a connecting circuit connected with the measurement and control component.
Background
Facilities such as buildings and factories are provided with various devices. For example, in buildings, equipment related to air conditioning, water supply and drainage, electrical equipment, and lighting is installed. Further, production facilities and management facilities are provided in the factory. In designing facilities such as buildings and factories, it is also necessary to determine the arrangement of such various devices in advance.
In addition, when such a design is performed, a measurement and control design is also performed to determine the following configuration: the states of various devices installed in a facility are measured, and the devices are automatically controlled based on the measurement results. In general, in a measurement and control design, a control item to be implemented is determined for each device (measurement and control device) to be automatically controlled, and a component (measurement and control component) required to implement the control item is selected. In addition, in the measurement and control design, a diagram for understanding a connection relationship between a selected measurement and control component and the measurement and control device, that is, a so-called measurement and control diagram, is generated. And setting and maintaining the measurement and control component according to the generated measurement and control diagram.
However, in the past, designers required extensive experience and knowledge in order to perform such measurement and control designs. Furthermore, even a designer with sufficient experience and knowledge is very laborious to design a plurality of devices for measurement and control.
Documents of the prior art
Patent document
Patent document 1: japanese laid-open patent publication No. 2008-192009
Patent document 2: japanese laid-open patent publication No. 11-338903
Disclosure of Invention
Problems to be solved by the invention
Here, many techniques for reducing the load on the designer in designing such facilities have been proposed. For example, patent document 1 discloses an automatic management point data generation device that automatically generates management point data. The management point data is data input to a central monitoring control device that performs automatic control of the control device. In order to automatically generate the management point data, patent document 1 discloses a case database storing measurement control diagram data and management point data on a plurality of past cases, and searches the case database to acquire the measurement control diagram data and management point data of a selected similar past case, and generates the management point data of the current case from the data of the similar past case.
According to this technique, the burden of facility design can be reduced to some extent. However, both patent documents 1 and 2 are premised on the measurement and control diagrams and the P & ID data itself being created by a designer. However, in order to create the measurement and control diagram, particularly, to select and arrange the measurement and control components necessary for the determination, sufficient experience and a large amount of labor and time are required, and a burden on a designer is large. In the conventional technique, the burden of creating such a measurement and control diagram cannot be reduced, and as a result, the burden of a designer in measurement and control design cannot be sufficiently reduced.
Therefore, in the present specification, there is disclosed a measurement and control design support device capable of reducing the burden on the designer in the measurement and control design.
Means for solving the problems
The measurement and control design auxiliary device disclosed in the specification assists measurement and control design, in the measurement and control design, according to a basic measurement and control diagram containing measurement and control equipment and a connection line connected with the measurement and control equipment, a structure required by automatic control of the measurement and control equipment is determined, and the measurement and control design auxiliary device is characterized by comprising: a control item database that stores a plurality of control items, the measurement and control devices or constituent elements of the measurement and control devices corresponding to the control items, and component information that is information of one or more measurement and control components required for executing the control items, in association with each other; a control item presentation unit that extracts one or more candidates of control items applicable to the instrumentation equipment shown in the basic instrumentation diagram with reference to the control item database and presents the extracted one or more candidates of control items to an operator; and an additional measurement and control diagram generation unit that specifies the measurement and control component corresponding to the control item selected by the operator with reference to the control item database, and generates an additional measurement and control diagram in which the specified measurement and control component is added to the basic measurement and control diagram.
In this case, the component information may include at least identification information of the measurement and control component and electrical or mechanical connection information of the measurement and control component, and the additional measurement and control diagram generation unit may add the determined measurement and control component to the basic measurement and control diagram in a form capable of identifying a connection state thereof, based on the connection information.
In addition, in this case, the measurement and control design auxiliary device may generate the basic measurement and control diagram according to a plan view showing a spatial layout, the measurement and control equipment, and a connection line connected to the measurement and control equipment.
In this case, the apparatus may further include: a symbol database which stores the measurement and control equipment, the connection lines and marks representing the measurement and control equipment and the connection lines in the plan view in a corresponding manner; a device extraction unit that extracts the measurement and control device included in the plan view from the symbol database; a line extraction unit that extracts the connection lines included in the plan view from the symbol database; and a basic measurement and control diagram generating unit that combines the extracted measurement and control devices and the connection lines to generate the basic measurement and control diagram.
Further, the measurement and control system may further include an overlay generating unit that generates an overlay in which the additional measurement and control map is superimposed on a plan view showing a spatial layout.
In this case, the overlay map generation unit may divide the additional measurement control map into one or more layers and overlay the divided layers on the plan view, and the operator may select a layer to be displayed among the one or more layers.
In this case, the superimposed map may superimpose the additional measurement and control map on the plan view in layers divided at least by control items.
Further, the measurement and control device may further include a component list generating unit that generates a list of the specified measurement and control components.
In this case, the system may further include a component database that associates identification information of one or more products corresponding to the type with selection conditions of the products for each type of the measurement and control component, and the component list generating unit may compare the determined value of the type of the measurement and control component and the value of the selection condition specified by the operator with the component database to determine the product of the measurement and control component.
Effects of the invention
According to the measurement and control design assistance device disclosed in the present specification, one or more candidates of control items that can be applied to the measurement and control equipment are presented, and measurement and control components required for the control items selected by the operator are automatically determined and added to the basic measurement and control diagram. Therefore, the burden on the designer in the measurement and control design can be reduced.
Drawings
Fig. 1 is a block diagram showing a physical structure of a measurement and control design assistance apparatus.
FIG. 2 is a functional block diagram of a measurement and control design assistance device.
Fig. 3 is a diagram showing an example of a plan view.
Fig. 4 is a diagram showing an example of a basic measurement and control diagram.
Fig. 5 is a diagram showing an example of the control item DB.
Fig. 6 is a diagram showing an example of a display screen displayed on the display when candidates of control items are presented.
Fig. 7 is a diagram showing an example of the main window Wm when "001 return air temperature control" is selected as a control item.
Fig. 8 is a diagram showing an example of the main window Wm when "002 return air humidity control" is additionally selected as a control item.
Fig. 9 is a diagram showing an example of the completed additional measurement and control diagram.
Fig. 10 is a diagram showing an example of the overlay.
Fig. 11 is a diagram showing an example of a display screen displayed on the display in the case where the overlay is layered.
Fig. 12 is a diagram showing an example of the component DB.
Fig. 13 is a diagram showing an example of a component list.
Fig. 14 is a flowchart showing a flow of generating a basic measurement and control diagram from a plan view.
Fig. 15 is a flowchart showing a flow of generating an additional measurement and control diagram from the basic measurement and control diagram.
Detailed Description
Hereinafter, the structure of the measurement and control design support device 10 will be described with reference to the drawings. Fig. 1 is a block diagram showing the physical structure of the measurement and control design assistance apparatus 10. Further, fig. 2 is a functional block diagram of the measurement and control design assisting device 10.
The measurement and control design assisting device 10 is a device for assisting measurement and control design in various facilities. The measurement and control design is a design for measuring and controlling the state of various devices installed in a facility. Examples of such measurement and control designs include measurement and control designs for air conditioning equipment in buildings, measurement and control designs for water supply and drainage equipment in buildings, and measurement and control designs for various production equipment and management equipment in industrial plants. In the following, an auxiliary device for assisting a measurement and control design relating to an air conditioner in a building will be described as an example. However, the technology disclosed in this specification is not limited to building air conditioning equipment, and may also be applied to measurement and control design assistance related to other equipment.
The measurement and control design assistance device 10 is physically constructed by one or more computing mechanisms driven in accordance with a specific program. That is, as shown in fig. 1, the measurement and control design support device 10 includes a CPU12, a storage device 14, an input device 16, an output device 18, and a communication interface (hereinafter referred to as "communication I/F20"), which are connected by a bus 22.
The CPU12 performs various operations. Specifically, the CPU12 reads a design support program stored in the storage device 14 in accordance with an instruction from an operator, and performs various calculations necessary for design support. The details of the processing performed by the CPU12 will be described later.
The storage device 14 is a device that stores various data (including programs), and is configured by combining one or more of a semiconductor memory such as a RAM or a ROM, a hard disk drive, a solid-state drive, and the like. The storage device 14 stores therein a measurement and control design support program for causing the CPU12 to execute a process of generating a measurement and control diagram, a process of generating a component list 70, and the like, which will be described later. The storage device 14 also stores data constituting a control item database 44 (hereinafter, the database is simply referred to as "DB"), a symbol DB42, and a component DB46, which will be described later.
The input device 16 is a device that receives an operation instruction and data input from an operator, and is configured by combining one or more of a keyboard, a mouse, a touch panel, a microphone, a scanner that reads a drawing printed on a sheet, an imaging device, and the like. The output device 18 is a device that outputs various kinds of information to the operator, and is configured by combining one or more of a display, a speaker, and the like, for example. Although not shown in fig. 1, the measurement and control design support device 10 may include a printer that prints and outputs necessary information on a sheet of paper. The communication I/F20 exchanges data with other information terminals. The additional measurement and control map and the overlay map generated by the measurement and control design auxiliary device 10 can also be transmitted to other information terminals through the communication I/F20.
In fig. 1, the measurement and control design support device 10 is illustrated as one computer, but the measurement and control design support device 10 may be configured by a plurality of computers capable of communicating with each other. Thus, for example, the measurement and control design assistance device 10 may also be constituted by a main computer and a tablet terminal that can communicate with the main computer and is used by an operator at a work site. The various DBs may be stored in another computer that can communicate with the host computer and function as a data server.
Fig. 2 is a functional block diagram of the measurement and control design assisting apparatus 10. The measurement and control design auxiliary device 10 is roughly divided into: a first module B1 generating a basic measurement and control diagram 52 from the plan view 48; a second module B2 that adds measurement and control components necessary for automatic control of the measurement and control device to the basic measurement and control diagram 52 to generate an additional measurement and control diagram 64; a third module B3, which generates further information using the additional measurement and control diagram 64 and the plan view 48; and a fourth block B4 having three DBs referred to in the first to third blocks B3. The functions of the first to third modules B1 to B3 are exclusively implemented by the CPU12, and the functions of the fourth module B4 are exclusively implemented by the storage device 14.
Here, the plan view is a device diagram in which the instrumentation devices and pipes (hereinafter, referred to as "connection lines" without distinguishing the pipes and pipes) to which the instrumentation devices are connected are drawn in a plan layout view of a facility (in this example, a building). As the equipment drawings (plan views), there are an electrical equipment drawing in which electrical equipment and the like are depicted, a water supply and drainage equipment drawing in which water supply and drainage equipment is depicted, and an air conditioning equipment drawing in which air conditioning equipment is depicted.
In addition, the measurement and control device is a device whose positional relationship with the spatial layout is important, and is a device that is an object of measurement and control design. In this example, since the Air conditioning equipment is designed to be measured and controlled, Air conditioning equipment such as an Air Handling Unit (hereinafter referred to as "AHU"), a cabinet Air conditioner, a cooling tower, and a boiler is used as the measurement and control equipment. Since the position relationship between such measurement and control devices and the spatial layout is important, it is depicted on a plan view.
The basic measurement and control diagram is a diagram showing a connection relationship between the measurement and control equipment and the connection line. In this example, the basic measurement and control diagram is automatically generated according to the plan view. In the basic measurement and control diagram, the measurement and control equipment is divided into a plurality of components and depicted as needed. For example, in a plan view, the AHU is depicted as a single element, but in a basic measurement and control diagram, the AHU is depicted by being divided into a plurality of elements such as an air filter, a cold and hot water coil, a humidifier, and a fan that constitute the AHU. This is to make it easy to understand the connection relationship between the measurement and control unit and each element described later.
The additional measurement and control diagram is a diagram in which one or more measurement and control components required for automatic control of the measurement and control device are added to the basic measurement and control diagram, and is a diagram showing a connection relationship between the measurement and control device and the one or more measurement and control components. Here, as described above, the measurement and control component is a device required for automatically controlling the measurement and control device, and is a device whose positional relationship in the spatial layout is not important, but whose connection relationship with the measurement and control device is important. The measurement and control means include, for example, a programmable controller (hereinafter, referred to as "PLC") that processes signals necessary for control, sensors that detect various physical quantities, actuators that drive the respective units, valves that open and close flow paths, and relays that connect and cut off electrical signals. In the additional measurement and control diagram, the connection relationship between such measurement and control components and the measurement and control equipment is depicted in a diagram mode.
Next, the functional block diagram shown in fig. 2 will be described with specific examples. The drawing reading unit 24 reads a plan view 48 of a target facility, and converts the plan view 48 into a data format that can be referred to by the device extracting unit 26 and the like at the subsequent stage. For example, when the plan view 48 is input so as to be printed on a paper sheet, the drawing reading unit 24 includes a scanner or an imaging device that reads the paper sheet plan view 48 and digitizes the same. The plan view 48 may be input in the form of digital data such as image data and CAD data, and in this case, the drawing reading unit 24 reads the input digital data and converts the data form if necessary. The drawing reading unit 24 then outputs the plan view data in the desired data format to the route extraction unit 28, the device extraction unit 26, and the overlay generation unit 38. Although only the plan view 48 is input to the measurement and control design support device 10, various design conditions (for example, an air conditioning system, a duct size, and the like) may be input to the measurement and control design support device 10 together with the plan view 48.
Fig. 3 is a schematic view of the plan view 48. As shown in fig. 3, the plan view 48 includes a graphic representing a plan layout, a graphic representing the measurement and control device (including characters), and a graphic representing the pipe and/or the piping connected to the measurement and control device (including characters). For ease of explanation, the plan view 48 shown in fig. 3 is greatly simplified as compared with the normal plan view 48. The figure showing the apparatus in fig. 3 is also different from the figure used in the actual plan view 48.
The device extraction unit 26 extracts the measurement and control device from the plan view 48. In this extraction, the device extraction unit 26 refers to the reference symbol DB 42. The symbol DB42 stores a figure (hereinafter referred to as "device symbol") indicating the measurement and control device and a figure (hereinafter referred to as "line symbol") indicating the connection line in the plan view 48. For example, in the present example, in the plan view 48, the AHU is represented as a figure enclosing a character of "AHU" in a square shape. In addition, in plan view 48, the return air duct is indicated by a line marked with the character "RA". In the symbol DB42, the pattern (device symbol) indicating the measurement and control device and the pattern (line symbol) indicating the connection line in the plan view 48 are stored in association with the identification information of the corresponding measurement and control device and connection line.
The device extracting unit 26 extracts a pattern matching the device symbol from the input plan view 48 by using a method such as image matching. This extraction may be performed for all the device symbols stored in the symbol DB42, or may be performed for only the device symbols of the group designated in advance by the operator. For example, in air conditioning design of buildings, an air conditioning system is determined at a relatively early stage, and air conditioning equipment that is likely to be used is limited to some extent according to the air conditioning system. Therefore, when the operator has input the air-conditioning system as one of the design conditions, only the air-conditioning equipment that is likely to be used in the air-conditioning system may be limited to the extraction target. With this configuration, the calculation amount of the measurement and control design support device 10 can be reduced. When the figure matching the device symbol is found in the plan view 48, the device extracting section 26 outputs the identification information of the measurement and control device corresponding to the device symbol and the drawing position of the figure in the plan view 48 to the connection interpreting section 30.
The line extraction unit 28 extracts connection lines (pipes and pipes) from the plan view 48 by using a method such as image matching. In this extraction, the line extraction unit 28 refers to the reference symbol DB 42. When a pattern matching the line symbol is found in the plan view 48, the device extracting section 26 further extracts a line connected to the line symbol. Then, when all the line symbols and the lines connected to the line symbols are extracted, the device extraction unit 26 outputs the identification information of the connection lines corresponding to the line symbols and the drawing positions of the lines connected to the line symbols in the plan view 48 to the connection interpretation unit 30.
The extraction of the connection line may be performed for all the line symbols stored in the symbol DB42, or may be performed only for the line symbols of a group specified in advance by an operator. In addition, when the device extraction and the route extraction are performed, the result of the extraction may be displayed on a display so that an operator can confirm whether the result of the extraction is good or bad. For example, it is also possible to display the plan view 48 on a display, and display only the measurement and control devices extracted from the plan view 48 and the connection lines in a special form (for example, highlight, display in different colors, give marks, and the like). Further, when there is an error in the extraction result, the operator may correct the error by manual operation.
The connection interpretation section 30 interprets the connection relationship between the measurement and control devices and the connection lines depicted in the plan view 48 on the basis of the information input from the device extraction section 26 and the line extraction section 28. For example, in a case where the end of the line representing one return air duct reaches the equipment symbol representing the AHU, the connection interpretation section 30 interprets that this return air duct is connected to the AHU. The result of such interpretation is output to the basic measurement and control map generating unit 32.
The basic measurement and control diagram generating unit 32 generates a basic measurement and control diagram based on the result of the interpretation by the connection interpreting unit 30. As described above, the basic measurement and control diagram is a diagram in which the measurement and control device and the connection lines connected to the measurement and control device are graphically represented. Fig. 4 is a diagram showing an example of the basic measurement and control diagram 52. Here, as can be seen from fig. 4, in the basic measurement and control diagram 52, the measurement and control device is represented by a diagram suitable for the measurement and control diagram. That is, even if the same measurement and control device is used, the pattern used in the plan view 48 and the pattern used in the measurement and control drawing may be different. For example, in plan view 48, the AHU is depicted as a single element using a graphic surrounded by a square to the character "AHU". On the other hand, in the measurement and control diagram, the AHU is divided into 4 elements (an air cleaner 54, a cold and hot water coil 56, a humidifier 58, and a fan 60) constituting the AHU, and depicted. In the symbol DB42, the device symbol used in the measurement and control diagram is also recorded in this manner. The basic measurement control diagram generating unit 32 generates the basic measurement control diagram 52 corresponding to the interpretation result of the connection interpreting unit 30 with reference to the reference symbol DB 42.
The basic measurement and control diagram 52 is created for each predetermined unit. For example, typically an AHU is connected to a heat source plant (boiler, chiller, cooling tower), but the AHU and heat source plant are made as different basic instrumentation and control diagrams 52. When the basic measurement and control diagram 52 is created for each of the plurality of measurement and control devices installed in the building, the processing by the basic measurement and control diagram generating unit 32 is completed.
When the basic measurement and control diagram 52 is generated, the operator performs measurement and control design according to the plurality of generated basic measurement and control diagrams 52. The second module B2 of the measurement and control design assisting device 10 assists the measurement and control design. Specifically, the operator selects a basic measurement and control diagram 52 corresponding to a measurement and control device to be subjected to measurement and control design from the plurality of generated basic measurement and control diagrams 52. The control item presentation unit 34 specifies a candidate of a control item corresponding to the measurement and control device (basic measurement and control map 52) selected by the operator, and presents the candidate to the operator. The control items are items for automatically controlling the measurement and control equipment, and for example, as control items corresponding to the AHU, there are return air temperature control for keeping the return air temperature at a predetermined value, return air humidity control for keeping the return air humidity at a predetermined value, and warm-up control for prohibiting humidification during warm-up control.
The control item presentation unit 34 refers to the control item DB44 when specifying a candidate for a control item. In the control item DB44, each measurement and control device, a control item applicable to the measurement and control device, and a measurement and control component necessary for realizing the control item are stored in correspondence with each other. Fig. 5 is a schematic diagram showing an example of the control item DB 44. As shown in fig. 5, in the control item DB44, control items (the second column from the left in fig. 5) and equipment elements (the third column from the left in fig. 5) that are the premise when executing the control items are stored in association with each other. For example, if it is not an apparatus having a return air duct (RA) and a hot and cold water coil 56(CHC) that adjusts the temperature of the return air duct, return air temperature control cannot be performed. Therefore, the return air temperature control is associated with the return air duct (RA) and the hot and cold water coil 56(CHC) as a prerequisite thereof. Also, if it is not an apparatus having a return air duct (RA) and a humidifier 58 that adjusts the humidity of the return air duct, return air humidity control cannot be performed. Therefore, the return air humidity control is premised on a return air duct (RA) and a humidifier 58. Although each control item is associated with a component of the measurement and control device, the control item may be stored in association with the measurement and control device itself. For example, "AHU" may be recorded in correspondence with the return air temperature control and the return air humidity control as the prerequisite elements. In summary, in the control item DB44, control items are stored in the form of: when one of the measurement and control devices is selected, control items applicable to the measurement and control device may be determined.
In addition, each control item is also associated with component information, which is information of one or more measurement and control components required for implementing the control item. The component information includes at least identification information of the measurement and control component (column 4 from the left of fig. 5) and a mechanical connection state and an electrical connection state of the measurement and control component ( columns 5 and 6 from the left of fig. 5). For example, the return air temperature control is control for maintaining the return air temperature at a desired target temperature. In the case of performing this return air temperature control, a thermo-sensitive element (TED) that measures the return air temperature, an electromagnetic two-way valve (MV1) that controls the flow rate of cold water delivered from the cold and hot water coil 56 to the cold water tank, and a PLC66 that controls the driving of the electromagnetic two-way valve based on the measurement result of the thermo-sensitive element are required. Therefore, in the control item DB44, the PLC66, the electromagnetic two-way valve (MV1), and the Thermal Element (TED) are recorded in association with the item "return air temperature control". In addition, the control item DB44 also records the mechanical connection relationship and the electrical connection relationship of the measurement and control components. For example, in the case of a thermistor used for return air temperature control, as shown in fig. 5, information indicating that the thermistor is provided in the return air duct (RA) for mechanical connection and is electrically connected to the analog input (Ai) of the PLC66 is recorded in the control item DB 44. As shown in fig. 5, in the control item DB44, explanatory characters (first column from the right in fig. 5) indicating the contents of each control item may be further recorded in association with each control item.
The control item presentation unit 34 presents candidates of control items corresponding to the instrumentation devices selected by the operator with reference to the control item DB 44. Fig. 6 is a diagram showing an example of a display screen displayed on the display when candidates of control items are presented. In the example of fig. 6, the display screen includes a main window Wm that displays the measurement and control map and a sub-window Ws that displays the candidate list 62 of control items. In the sub window Ws, a candidate list 62, which is a list of control items selectable by the instrumentation devices displayed in the main window Wm, is displayed. The display order of the candidates may be appropriately sorted according to the frequency of use and the like. That is, the control item DB44 may record the past number of times of use of each control item in advance, and display the control item having the larger number of times of use ahead. The candidates of such control items may be locked by keywords desired by the operator and the type of control parameter (e.g., temperature, humidity, etc.). For example, when the operator designates "temperature" as the control parameter, only the control item having "temperature" as the control parameter may be displayed as the candidate.
When a control item is selected by the operator, the additional measurement and control map generating unit 36 specifies a measurement and control component corresponding to the control item with reference to the control item DB44, and adds the measurement and control component to the basic measurement and control map 52. For example, when the operator selects "001 return air temperature control", the additional measurement and control map generating unit 36 refers to the control item DB44 to identify the measurement and control component corresponding to the control item. In the example of fig. 5, a Thermal Element (TED), an electromagnetic two-way valve (MV1), a PLC are determined as the measurement and control components corresponding to "001 return air temperature control".
When the measurement and control components are determined, the additional measurement and control map generating section 36 then adds the measurement and control components to the basic measurement and control map 52. At this time, the additional measurement and control map generating unit 36 refers to the control item DB44 to specify the connection relationship between the measurement and control components, and adds the measurement and control components so that the connection state can be recognized. Fig. 7 is a diagram showing an example of the main window Wm when "001 return air temperature control" is selected as a control item for the measurement and control device of the AHU. In the example of fig. 7, in addition to a plurality of components constituting the AHU as the measurement and control equipment, a PLC, a Thermal Element (TED), and an electromagnetic two-way valve (MV1) necessary for return air temperature control are graphically depicted in the main window Wm. Further, according to the control item DB44, the thermistor is mechanically arranged on the return air duct (RA) and electrically connected to the analog input (Ai) of the PLC. The electromagnetic two-way valve is mechanically arranged on the cooling water tank line CHR and electrically connected to an analog output (Ao) of the PLC. In addition, the name and explanatory characters of the currently selected control item are displayed on the upper right of the graph.
In this state, when the operator further additionally selects another control item, the measurement and control component corresponding to the other control item is further added to the additional measurement and control map 64. For example, when the operator additionally selects "002 return air humidity control" as the control item, the main window Wm is in the state shown in fig. 8. In the example of fig. 8, the additional measurement and control fig. 64 additionally depicts measurement and control components necessary for the return air humidity control, that is, a humidity sensor (HD) and a relay (R). In addition, although the PLC is also required for the return air humidity control, since the PLC is also used for the return air temperature control, one PLC is used for both the return air temperature control and the return air humidity control. The humidity sensor is mechanically arranged on the return air line (RA) and electrically connected to the digital input (Di) of the PLC according to the connection state recorded in the control item DB 44. In addition, the relay is mechanically connected to the humidifier 58 and electrically connected to the digital output (Do) of the PLC.
The operator repeats the process of selecting the control item in this manner. Then, if all desired control items are selected and the measurement and control components corresponding to these control items have been added to the measurement and control diagram, the additional measurement and control diagram 64 is completed. Fig. 9 is a diagram showing an example of the completed additional measurement and control diagram 64.
The overlay map generation unit 38 generates an overlay map 68 in which the additional measurement control map 64 is superimposed on the read plan map 48. Fig. 10 is a diagram showing an example of the overlay map 68. As shown in fig. 10, it is preferable that an additional measurement and control diagram 64 is superimposed on the position of the arrangement measurement and control device of the plan view 48. As can be seen from fig. 10, the additional measurement and control diagram 64 is generally very large compared to the symbols of the measurement and control device shown in the plan view 48. Therefore, in the overlay 68, a part of the information described in the plan view 48 is hidden from view by the additional measurement and control map 64. In some cases, it is desired to refer to only information related to a specific control item at a design/construction site.
Therefore, in the superimposed map 68, the additional measurement and control map 64 may be divided into one or more layers and superimposed on the plan view 48, and only the layers selected by the operator may be displayed. For example, in a case where a plurality of additional measurement and control maps 64 are superimposed on one plan view 48, display/non-display may be selected according to each additional measurement and control map 64 (each measurement and control device). In addition, in the case where one additional measurement and control map 64 corresponds to a plurality of control items, display/non-display may be selected for each control item.
Fig. 11 is a diagram showing an example of a display screen displayed on the display in this case. As shown in fig. 11, the display screen includes a main window Wm displaying the overlay 68 and a sub-window Ws displaying the view control screen. In the view control screen (sub-window Ws), the layer structure of the superimposed map 68 related to one building is displayed hierarchically, and display/non-display of each layer can be selected.
More specifically, in the example of fig. 11, on the view control screen (sub-window Ws), an icon a1 indicating "floor level" is arranged on the 1 st floor, an icon a2 indicating "measure and control equipment" is arranged on the 2 nd floor, and an icon A3 indicating "control item" is arranged on the 3 rd floor. When one icon a1 indicating "floor number" is selected, the plan view 48 corresponding to the floor number is displayed in the main window Wm, and the icon a2 of "measure and control equipment" pulled down at the floor number is displayed in the sub-window Ws. By clicking the icon a2 of the "measurement and control device" displayed in the expanded state, the display/non-display of the additional measurement and control diagram 64 corresponding to the measurement and control device is switched. When the display of the additional measurement and control map 64 is instructed, the additional measurement and control map 64 corresponding to the measurement and control device is displayed superimposed on the plan view 48 in the main window Wm, and an icon a3 of "control item" pulled down at the measurement and control device is displayed expanded in the sub window Ws. By clicking the icon a3 of the "control item" displayed in the expanded state, the display/non-display of the measurement and control unit corresponding to the control item is switched. In the main window Wm, only the measurement and control components to be used in the displayed selected control items are displayed in the additional measurement and control map 64.
Next, the component list generating section 40 generates a list of measurement and control components from the generated additional measurement and control map 64. In this case, the component list generating unit 40 refers to the component DB46 to determine a specific product of the measurement and control component. That is, even with the same measurement and control unit, there are a plurality of products with different specifications. For example, there are a plurality of products having different specifications such as valve sizes. Here, the valve size is determined according to the area of the pipe/pipe to be installed. In other words, it can be said that the pipe/tubing size is a selected condition for selecting a specific product of the electromagnetic two-way valve.
In the component DB46, the values of such selected conditions for selecting a product and the corresponding product are recorded correspondingly. Fig. 12 is a diagram illustrating an example of the component DB 46. As shown in fig. 12, the component DB46 contains a selection table 47 for each measurement and control component, and in each selection table 47, identification information (for example, model) of a product and a value of a selection condition (for example, a value of a pipe size) are recorded correspondingly. The selection table 47 may also include information necessary for the price of each product, the manufacturer, and the like to create a quotation and an order.
The component list generating unit 40 refers to the component DB46 to select a product of the measurement and control component that meets the selected condition. In addition, a specific value of the selected condition (for example, a value of a pipe size to be used) may be input in advance to the design assisting apparatus as one of the design conditions, or may be input by an operator at the time of generating the component list.
The form of the generated parts list 70 may be changed as appropriate in accordance with an instruction from the operator. For example, all the measurement and control components used in one building may be collected in one component list 70, or different component lists 70 may be generated according to the measurement and control components used on each floor and each measurement and control device. Further, as the information contained in the component list 70, in addition to the common name of the measurement and control component to be used, the number, the product name (or the product model), the unit price, and the like may be contained. Further, the parts list 70 may be capable of being locked and sorted as appropriate according to the instruction of the operator. Fig. 13 is a diagram showing an example of the parts list 70. In the example of fig. 13, the component list 70 lists the common names, models, unit prices, and numbers of the measurement and control components.
Next, a flow of measurement and control design using the measurement and control design support device 10 having the above configuration will be described with reference to fig. 14 and 15. Fig. 14 is a flowchart showing a flow of generating the basic measurement and control diagram 52 from the plan view 48, that is, a flow of processing in the first module B1 of fig. 2. Fig. 15 is a flowchart showing a flow of generating the additional measurement and control diagram 64 from the basic measurement and control diagram 52, that is, a flow of processing in the second module B2 of fig. 2.
In the case of generating the basic measurement and control diagram 52, a plan view 48 in which measurement and control devices are drawn in a spatial layout is generated in advance. In the case where there are N floor plans 48 associated with one building, the operator inputs the N floor plans 48 into the measurement and control design assistance device 10 through the input device 16. For example, in the case where the plan view 48 is a view printed out on a sheet of paper, the operator converts the plan view 48 into electronic data using a scanner or an image pickup device. In the case where the plan view 48 is electronic data (for example, CAD data, image data, or the like) stored in the storage unit of the measurement and control design support apparatus 10, the operator operates the input device 16 such as a mouse or a keyboard to select a file name of the electronic data.
The drawing reading unit 24 reads the N plan views 48 (S10). The read N plan views 48 are sent to the device extraction unit 26 and the route extraction unit 28. Further, the value of the parameter n is initialized to n-1 (S12). In this state, the device extraction unit 26 and the line extraction unit 28 extract the instrumentation devices and the connection lines (pipes or pipes) from the nth plan view 48, with reference to reference sign DB42 (S14, S16). The extraction result is sent to the connection interpretation section 30. The connection interpretation unit 30 interprets the connection relationship between the measurement and control device and the connection line based on the extraction result (S18), and sends the interpretation result to the basic measurement and control diagram generation unit 32. The basic measurement and control map generating unit 32 generates the basic measurement and control map 52 based on the interpretation result (S20). That is, a graph in which measurement and control devices are converted into a measurement and control diagram (for example, one measurement and control device is converted into a plurality of elements) is generated, and a connection pipe is connected to each measurement and control diagram. Since the basic measurement and control graph 52 is generated for each measurement and control device in principle, when k measurement and control devices are included in one plan view 48, k basic measurement and control graphs 52 are generated according to one plan view 48.
When the basic measurement and control map 52 is generated from the nth plan view 48, it is next determined whether or not the parameter N has reached the number N of sheets of the plan view 48 (S22). If the result of the determination is N, the generation of the basic measurement and control map 52 is completed. On the other hand, when N < N, the parameter N is increased (S24), and thereafter steps S14 to S20 are repeated.
The basic measurement and control fig. 52 generation procedure described here is an example, and may be appropriately modified as necessary. For example, after the basic measurement and control map 52 is generated, the operator may perform a quality judgment process and a correction process on the generated basic measurement and control map 52. In addition, it is not necessary to generate all of the basic measurement and control maps 52 for the N plan views 48, and the basic measurement and control map 52 may be generated only for the plan view 48 desired by the operator.
Next, a flow of generating the additional measurement and control map 64 from the basic measurement and control map 52 will be described with reference to fig. 15. When the basic measurement and control diagram 52 is generated, the operator selects a measurement and control device that wants to be designed for measurement and control (S26). When the operator selects the instrumentation device, the control item presentation unit 34 presents candidates of control items applicable to the selected instrumentation device to the operator with reference to the control item DB44 (S28). Then, the process is caused to stand by until the selection of the control item by the operator (yes in S30) or an end instruction (yes in S36) is made. When the control item is selected by the operator, the additional measurement and control map generating unit 36 refers to the control item DB44 to identify the measurement and control components required for the selected control item (S32). Then, the determined measurement and control components are added to the basic measurement and control map 52, and an additional measurement and control map 64 is generated (S34). Then, until the operator gives an end instruction, steps S28 to S34 are repeated.
When an end instruction is given from the operator (yes in S36), generation of the additional measurement and control map 64 related to the current measurement and control device is ended. Then, if the next measurement and control device is selected, steps S28 to S34 are repeated again. On the other hand, when the additional measurement and control map 64 is generated for all the measurement and control devices (yes in S40), all the processing ends.
The generated additional measurement and control map 64 is stored in the storage unit together with information indicating which measurement and control device corresponds to in the plan view 48. The stored additional instrumentation graph 64 is then used for the generation of the overlay graph 68 and the generation of the component list 70.
As is clear from the above description, according to the technique disclosed in the present specification, candidates of applicable control items are presented for each instrumentation device. Therefore, even if the operator lacks experience and knowledge, it is possible to appropriately select control items suitable for the measurement and control apparatus. Further, according to the technique disclosed in the present specification, the measurement and control components corresponding to the control items selected by the operator are automatically determined and added to the measurement and control map. Therefore, the operator does not need to specify the components or consider the connection relationship of the components, and the burden on the operator can be greatly reduced. In addition, even if the operator is inexperienced and knowledgeable, appropriate measurement and control components can be configured in appropriate connection relationships. That is, according to the technique disclosed in the present specification, measurement and control design can be performed more easily.
Further, according to the technique disclosed in the present specification, the basic measurement and control diagram 52 is automatically generated from the plan view 48. As a result, the labor and time required for generating the basic measurement and control fig. 52 can be greatly reduced. Further, according to the techniques of the present description, an overlay 68 combining the plan view 48 and the additional measurement and control map 64 is generated. Therefore, the contents of the spatial layout and the measurement and control design can be simultaneously grasped, and the setting engineering and the maintenance of the measurement and control component can be more simply carried out. In addition, according to the technique of the present specification, a list of measurement and control components can be automatically generated. Therefore, labor and time for quotation, order, parts management, and the like can be further reduced.
The configuration described above is merely an example, and other configurations may be appropriately changed as long as the measurement and control design support device 10 includes at least the control item DB44, the control item presentation unit 34 that presents candidates of control items with reference to the control item DB44, and the additional measurement and control map generation unit 36 that specifies and adds measurement and control components corresponding to the control items selected by the operator. Therefore, the basic measurement and control diagram 52 and the measurement and control design assisting device 10 may be generated by completely different devices. Further, the measurement and control design support device 10 may not have the functions of the generation unit list 70 and the overlay map 68. In the above description, only the device for assisting the measurement and control design of the building air conditioning equipment has been described as an example, but the measurement and control design assisting device may assist the measurement and control design of other equipment.
Description of the reference symbols
10: a measurement and control design auxiliary device; 12: a CPU; 14: a storage device; 16: an input device; 18: an output device; 20: a communication I/F; 22: a bus; 24: a drawing reading section; 26: an equipment extraction section; 28: a line extraction unit; 30: a connection interpretation section; 32: a basic measurement and control diagram generating part; 34: a control item presentation unit; 36: an additional measurement and control diagram generating part; 38: an overlay generating unit; 40: a parts list generating unit; 42: a symbol DB; 44: a control item DB; 46: a component DB; 47: selecting a table; 48: a plan view; 52: a basic measurement and control diagram; 54: an air filter; 56: a cold and hot water coil; 58: a humidifier; 60: a fan; 62: a candidate list; 64: adding a measurement and control diagram; 68: an overlay; 70: a list of parts; A1-A3: an icon; b1: a first module; b2: a second module; b3: a third module; b4: a fourth module; wm: a main window; ws: and (4) sub-windows.
Claims (9)
1. The utility model provides a measurement and control design auxiliary device, it is supplementary to measurement and control design in the measurement and control design, according to contain measurement and control equipment and with the basic measurement and control picture of the interconnecting link that measurement and control equipment connects decides the required structure of automatic control of measurement and control equipment, its characterized in that, measurement and control design auxiliary device possesses:
a control item database that stores a plurality of control items, the measurement and control devices or constituent elements of the measurement and control devices corresponding to the control items, and component information that is information of one or more measurement and control components required for executing the control items, in association with each other;
a control item presentation unit that extracts one or more candidates of control items applicable to the instrumentation equipment shown in the basic instrumentation diagram with reference to the control item database and presents the extracted one or more candidates of control items to an operator; and
and an additional measurement and control map generation unit that specifies the measurement and control component corresponding to the control item selected by the operator with reference to the control item database, and generates an additional measurement and control map in which the specified measurement and control component is added to the basic measurement and control map.
2. The measurement and control design assistance device according to claim 1,
the component information at least includes identification information of the measurement and control component and electrical or mechanical connection information of the measurement and control component,
and the additional measurement and control diagram generating part adds the determined measurement and control component to the basic measurement and control diagram in a form capable of identifying the connection state of the measurement and control component according to the connection information.
3. The measurement and control design assistance device according to claim 1 or 2,
and the measurement and control design auxiliary device generates the basic measurement and control diagram according to a plan view showing the spatial layout, the measurement and control equipment and a connecting line connected with the measurement and control equipment.
4. The measurement and control design assistance device according to claim 3, further comprising:
a symbol database which stores the measurement and control equipment, the connection lines and marks representing the measurement and control equipment and the connection lines in the plan view in a corresponding manner;
a device extraction unit that extracts the measurement and control device included in the plan view from the symbol database;
a line extraction unit that extracts the connection lines included in the plan view from the symbol database; and
and a basic measurement and control diagram generating unit which combines the extracted measurement and control devices and the connection lines to generate the basic measurement and control diagram.
5. The measurement and control design assistance device according to any one of claims 1 to 4,
the measurement and control design assisting device further includes an overlay generating unit that generates an overlay in which the additional measurement and control diagram is superimposed on a plan view showing a spatial layout.
6. The measurement and control design assistance device according to claim 5,
the overlay map generation unit divides the additional measurement control map into one or more layers and overlays the divided layers on the plan view, and an operator can select a layer to be displayed among the one or more layers.
7. The measurement and control design assistance device of claim 6,
the superimposed graph is used for dividing the additional measurement and control graph into layers at least by taking a control item as a unit and superimposing the additional measurement and control graph on the plan graph.
8. The measurement and control design assistance device according to any one of claims 1 to 7,
the measurement and control design support device further includes a component list generation unit that generates a list of the specified measurement and control components.
9. The measurement and control design assistance device according to any one of claims 1 to 8,
the measurement and control design assisting device further comprises a component database which associates identification information of one or more products corresponding to the type with selected conditions of each product according to each type of the measurement and control component,
the component list generating section compares the determined kind of the measurement and control component and the value of the selected condition specified by the operator with the component database to determine the product of the measurement and control component.
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| PCT/JP2018/020857 WO2019229911A1 (en) | 2018-05-30 | 2018-05-30 | Instrumentation design assistance device |
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| JP7442762B1 (en) | 2023-06-19 | 2024-03-05 | 横河電機株式会社 | Plant drawing line detection system, plant drawing line detection method, and plant drawing line detection program |
| JP7435886B1 (en) | 2023-06-19 | 2024-02-21 | 横河電機株式会社 | Plant drawing symbol detection system, plant drawing symbol detection method, and plant drawing symbol detection program |
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| CN112204559B (en) | 2023-07-14 |
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| JPWO2019229911A1 (en) | 2020-09-17 |
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